Sandium

★★★★★
Heating, Ventilating & Air Conditioning System Installation & Repair in the South Bay.
  • 1045 North 10th Street

    San Jose, CA 95112

    Map & Directions
  • 408-894-9072

Business Services

Business Services
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5.0 46
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I hired Sandium to replace my 20 year old furnace, air conditioner, and ducting. The guys did a tremendous job.
The were very neat and professional. The new system is quiet and heats/cools the house evenly (which was not the case the last 20years!).

2
★★★★★

I hired Sandium to replace my 20 year old furnace, air conditioner, and ducting. The guys did a tremendous job.
The were very neat and professional. The new system is quiet and heats/cools the house evenly (which was not the case the last 20years!).

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This is a great company to deal with. They were very professional both on the phone and in person. The technician (Martin) came out in the time frame that I had asked for, was friendly and professional and resolved the problem promptly. I would recommend this company to anyone.??

5
★★★★★

This is a great company to deal with. They were very professional both on the phone and in person. The technician (Martin) came out in the time frame that I had asked for, was friendly and professional and resolved the problem promptly. I would recommend this company to anyone.??

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Sandium is a great company to deal with. They were very professional both on the phone and in person. The technician, Martin, arrived on time, was friendly, professional, and resolved the problem promptly. I would recommend this company to anyone.??

5
★★★★★

Sandium is a great company to deal with. They were very professional both on the phone and in person. The technician, Martin, arrived on time, was friendly, professional, and resolved the problem promptly. I would recommend this company to anyone.??

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.

We just had a new heating and cooling system installed. Sandium was competitively priced and delivered an outstanding product. Our PGE bill dropped more then 50%! The installation is clean and we don't even notice when the system is on - while your home is comfortable at all times.

2
★★★★★

We just had a new heating and cooling system installed. Sandium was competitively priced and delivered an outstanding product. Our PGE bill dropped more then 50%! The installation is clean and we don't even notice when the system is on - while your home is comfortable at all times.

Pros: best in town

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Great technological knowledge and implementation. They are very organized as well as flexible with ideas for improving heating/cooling/insulation and related issues. They did terrific work in our home installing a new duct return system and insulating our attic, and also installed a new gas line to our kitchen. Excellent on-site technicians who are polite, prompt, efficient and hard-working. They are very customer service oriented. I did not find them to be more expensive compared to their competitors. Highly recommended!

5
★★★★★

Great technological knowledge and implementation. They are very organized as well as flexible with ideas for improving heating/cooling/insulation and related issues. They did terrific work in our home installing a new duct return system and insulating our attic, and also installed a new gas line to our kitchen. Excellent on-site technicians who are polite, prompt, efficient and hard-working. They are very customer service oriented. I did not find them to be more expensive compared to their competitors. Highly recommended!

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I am very pleased with the complete service of Sandium and it's Staff. I was especially impressed by the professionalism and technical knowledge of the Sales Consultant and Installation Technicians who carried out the installation of my new A/C and Furnance. I would absolutely recommend Sandium.

5
★★★★★

I am very pleased with the complete service of Sandium and it's Staff. I was especially impressed by the professionalism and technical knowledge of the Sales Consultant and Installation Technicians who carried out the installation of my new A/C and Furnance. I would absolutely recommend Sandium.

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I have to say this company is doing business the right way. I wanted to replace my furnace because mine was old and stopped working. The owner came out to give me a quote. Suprisingly, after looking at it, he told me that it would be very inexpensive to repair it and that I propably could run my furnace another 4-5 years. I took his advice, repaired and its running like new. When it is time to replace I will certainly hire Sandium. Honesty pays in the long run!

5
★★★★★

I have to say this company is doing business the right way. I wanted to replace my furnace because mine was old and stopped working. The owner came out to give me a quote. Suprisingly, after looking at it, he told me that it would be very inexpensive to repair it and that I propably could run my furnace another 4-5 years. I took his advice, repaired and its running like new. When it is time to replace I will certainly hire Sandium. Honesty pays in the long run!

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- none was as detailed and complete as Sandium's. The system was reasonable priced. The installation was great. Had a little problem after a few weeks which got fixed the same day. Thats the way to do business!

2
★★★★★

- none was as detailed and complete as Sandium's. The system was reasonable priced. The installation was great. Had a little problem after a few weeks which got fixed the same day. Thats the way to do business!

Cons: none

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We had a very positive experience with Sandium. From the beginning of the bid process through the entire installation, all employees of Sandium took the time to answer our questions in a manner we could understand. In addition, the installation crew did a top notch professional job and went the extra mile on the fine details of the installation. Working with Michael and the crew head Hector was a pleasure, and I have already recommended Sandium to a co-worker.

2
★★★★★

We had a very positive experience with Sandium. From the beginning of the bid process through the entire installation, all employees of Sandium took the time to answer our questions in a manner we could understand. In addition, the installation crew did a top notch professional job and went the extra mile on the fine details of the installation. Working with Michael and the crew head Hector was a pleasure, and I have already recommended Sandium to a co-worker.

Pros: professional, clean, detailed

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Today Sandium and Michael Lee completed installation and testing of a very high efficiency heat pump heating and cooling system in my home. I feel very fortunate to have discovered them, had the opportunity to work with them, and have them do the job.

A very high priority for me was to have a system that would be the most efficient possible in the heating mode especially at cold outside temperatures. Mike worked with me to find the system of a manufacturer that was not one they normally deal with including one part from even another manufacturer to make it more efficient. Mike's mechanical engineering degree and technical expertise from having worked for an air conditioner manufacturer I'm sure were invaluable in accomplishing all of this - other contractors did not seem willing or able to go the "extra mile" to do this. Mike also talked me through and contacted the manufacturers about some facets of the job where I had concerns that maybe there might be a better way. He and his crew also went the extra mile to ensure minimum duct leakage (which came in at a very commendable 3.3%) and to reduce noise to a minimum, often at no extra cost to me.

I was also very pleased that no up front payments were required (as were with so many other contractors), and that they have the 100% satisfaction guarantee for the first year. I believe only one other contractor offered me that. The cost was very competitive with (and less than many) other contractors that didn't offer the expertise and service) that I found at Sandium.

I would recommend Sandium to anyone considering an HVAC system replacement, upgrade or repair without reservation.

5
★★★★★

Today Sandium and Michael Lee completed installation and testing of a very high efficiency heat pump heating and cooling system in my home. I feel very fortunate to have discovered them, had the opportunity to work with them, and have them do the job.

A very high priority for me was to have a system that would be the most efficient possible in the heating mode especially at cold outside temperatures. Mike worked with me to find the system of a manufacturer that was not one they normally deal with including one part from even another manufacturer to make it more efficient. Mike's mechanical engineering degree and technical expertise from having worked for an air conditioner manufacturer I'm sure were invaluable in accomplishing all of this - other contractors did not seem willing or able to go the "extra mile" to do this. Mike also talked me through and contacted the manufacturers about some facets of the job where I had concerns that maybe there might be a better way. He and his crew also went the extra mile to ensure minimum duct leakage (which came in at a very commendable 3.3%) and to reduce noise to a minimum, often at no extra cost to me.

I was also very pleased that no up front payments were required (as were with so many other contractors), and that they have the 100% satisfaction guarantee for the first year. I believe only one other contractor offered me that. The cost was very competitive with (and less than many) other contractors that didn't offer the expertise and service) that I found at Sandium.

I would recommend Sandium to anyone considering an HVAC system replacement, upgrade or repair without reservation.

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Sandium's service technician came to my house to fix my furnace. He was clean cut, friendly, very professional and worked efficiently.
My furnace is working great and the repair cost was very reasonable. I would refer Sandium to anyone that is in need of a furnace repair.

5
★★★★★

Sandium's service technician came to my house to fix my furnace. He was clean cut, friendly, very professional and worked efficiently.
My furnace is working great and the repair cost was very reasonable. I would refer Sandium to anyone that is in need of a furnace repair.

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I like Sandium's prompt response and they were extremely knowledgeable, polite, and helpful. Sandium's crew showed up on time early in the Monday morning to replace our 30 year old furnace. The removing and installation were clean, efficient, courteous and professional.
We are very happy with the work they did for us. We highly recommend Sandium and would like to use them again in the future.

5
★★★★★

I like Sandium's prompt response and they were extremely knowledgeable, polite, and helpful. Sandium's crew showed up on time early in the Monday morning to replace our 30 year old furnace. The removing and installation were clean, efficient, courteous and professional.
We are very happy with the work they did for us. We highly recommend Sandium and would like to use them again in the future.

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I have been doing a lot of home repair over the past few weeks, and my experience with Sandium is by far the best experience I have had with any of the contractors. I will and have recommended Sandium.

5
★★★★★

I have been doing a lot of home repair over the past few weeks, and my experience with Sandium is by far the best experience I have had with any of the contractors. I will and have recommended Sandium.

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My experience with Sandium was great from the beginning to the finish. I started with a simple phone call and they took care of the rest. The technician showed on time and did a great job. I will recommend Sandium to the people that want good service with no hassles.

5
★★★★★

My experience with Sandium was great from the beginning to the finish. I started with a simple phone call and they took care of the rest. The technician showed on time and did a great job. I will recommend Sandium to the people that want good service with no hassles.

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It was 10pm and I was freezing. Called Sandium - they sent a technician within an hour. He diagnosed the problem and explained the options. I was already considering a new furnace and chose a new Trane high efficient model. They installers came out the next morning and replaced the heater. The way this company operates is really impressive. All the technicians I met were clean cut, knowledgable, friendly. I am very happy with the service received.

2
★★★★★

It was 10pm and I was freezing. Called Sandium - they sent a technician within an hour. He diagnosed the problem and explained the options. I was already considering a new furnace and chose a new Trane high efficient model. They installers came out the next morning and replaced the heater. The way this company operates is really impressive. All the technicians I met were clean cut, knowledgable, friendly. I am very happy with the service received.

Pros: On time, knowledgable, professional, good follow up

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I had my heater and my air ducts replaced and am so happy with the result. I have never felt so comfortable in my home!
And the energy bills are significantly lower!

5
★★★★★

I had my heater and my air ducts replaced and am so happy with the result. I have never felt so comfortable in my home!
And the energy bills are significantly lower!

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I read other people's reviews before calling Sandium to take a look at my flaky furnace. They seemed to be well liked so I gave them a call.
They were quick to schedule an appointment and showed up exactly on time, the even called me 1/2 and hour before the appointment so I could meet them at my house rather then the standard 4 hour wait window other vendors make you sit through. The technician was super knowledgeable and quickly fixed the problem, he even explained the whole situation to me in terms that I could understand. The cost to make the fix seemed very fair and they were very thorough in documenting everything that they did.
I would totally call Sandium again if I have any HVAC issues and totally recommend them

2
★★★★★

I read other people's reviews before calling Sandium to take a look at my flaky furnace. They seemed to be well liked so I gave them a call.
They were quick to schedule an appointment and showed up exactly on time, the even called me 1/2 and hour before the appointment so I could meet them at my house rather then the standard 4 hour wait window other vendors make you sit through. The technician was super knowledgeable and quickly fixed the problem, he even explained the whole situation to me in terms that I could understand. The cost to make the fix seemed very fair and they were very thorough in documenting everything that they did.
I would totally call Sandium again if I have any HVAC issues and totally recommend them

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Sandium recently replaced my furnace, air conditioner, and ductwork.

I would like to express my appreciation for a job exceptionally well done. The estimate was detailed and fair, the work was efficient and on time, the advice was factual and professional. The expertise, especially providing a detailed load calculation, duct design for the project, and the professional integrity are impeccable.

It is not normally my habit to write such reviews, as I expect that jobs I contract for are well done. This case, however, deserves special recognition.

2
★★★★★

Sandium recently replaced my furnace, air conditioner, and ductwork.

I would like to express my appreciation for a job exceptionally well done. The estimate was detailed and fair, the work was efficient and on time, the advice was factual and professional. The expertise, especially providing a detailed load calculation, duct design for the project, and the professional integrity are impeccable.

It is not normally my habit to write such reviews, as I expect that jobs I contract for are well done. This case, however, deserves special recognition.

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The project was done expeditiously and with close attention to detail . Finally we have just the right airflow in every room. The cost was very reasonable . Thank you for a job well done!

5
★★★★★

The project was done expeditiously and with close attention to detail . Finally we have just the right airflow in every room. The cost was very reasonable . Thank you for a job well done!

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A great company! My furnace broke. They had someone out within 1h. The service man was very knowledgeable and courteous (he even put shoe covers on to protect my carpet!). He found the problem rather quickly and fixed it. The next day I received a call from the service manager to check if I my furnace is working properly and if I am happy with the service provided. And YES I am. I will definitely use Sandium again.

2
★★★★★

A great company! My furnace broke. They had someone out within 1h. The service man was very knowledgeable and courteous (he even put shoe covers on to protect my carpet!). He found the problem rather quickly and fixed it. The next day I received a call from the service manager to check if I my furnace is working properly and if I am happy with the service provided. And YES I am. I will definitely use Sandium again.

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Sandium installed a new furnace in our home. We are very satisfied with the result. The installation went smoothly. The installers were on-time, friendly and very considerate. All our questions were addressed. Bottom line: We received a high quality product for a fair price!

5
★★★★★

Sandium installed a new furnace in our home. We are very satisfied with the result. The installation went smoothly. The installers were on-time, friendly and very considerate. All our questions were addressed. Bottom line: We received a high quality product for a fair price!

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"Very helpful and provide quality work to the clients." They came out quickly, diagnosed and fixed the problem promply. Good follow up. I highly recommend Sandium.

5
★★★★★

"Very helpful and provide quality work to the clients." They came out quickly, diagnosed and fixed the problem promply. Good follow up. I highly recommend Sandium.

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"Quick initial response. Problem was diagnosed quickly. Replacement part arrived and installed in a timely manner. Very good follow-up as well. I will use Sandium again in the future. Thanks."

2
★★★★★

"Quick initial response. Problem was diagnosed quickly. Replacement part arrived and installed in a timely manner. Very good follow-up as well. I will use Sandium again in the future. Thanks."

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We used Sandium to move our furnace to the attic and were very impressed with their professionalism and quality of service.
Mike was very cordial and pleassant.
Our overall experience witht heir service was very good and we will definitely call them or our future AC or furnace needs.

5
★★★★★

We used Sandium to move our furnace to the attic and were very impressed with their professionalism and quality of service.
Mike was very cordial and pleassant.
Our overall experience witht heir service was very good and we will definitely call them or our future AC or furnace needs.

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Sandium came to my house to troubleshoot a wine cooler. I was surprised how fast and effective there technician was. He found that the controller was bad. I was surprised again when he told me the repairs would be more than a new unit. In the past the technician always want to do the whole repair and charge a lot for it. But Sandium told me it would be more cost effective to buy a new one and explained how i could install it myself. They were very honest. and Finally he did not charge me for the temporary repairs to my cooler to save my wine collection. Thank you Sandium!

5
★★★★★

Sandium came to my house to troubleshoot a wine cooler. I was surprised how fast and effective there technician was. He found that the controller was bad. I was surprised again when he told me the repairs would be more than a new unit. In the past the technician always want to do the whole repair and charge a lot for it. But Sandium told me it would be more cost effective to buy a new one and explained how i could install it myself. They were very honest. and Finally he did not charge me for the temporary repairs to my cooler to save my wine collection. Thank you Sandium!

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.

Sandium came to my house to troubleshoot a wine cooler. I was surprised how fast and effective there technician was. He found that the controller was bad. I was surprised again when he told me the repairs would be more than a new unit. In the past the technician always want to do the whole repair and charge a lot for it. But Sandium told me it would be more cost effective to buy a new one and explained how i could install it myself. They were very honest. and Finally he did not charge me for the temporary repairs to my cooler to save my wine collection. Thank you Sandium!

2
★★★★★

Sandium came to my house to troubleshoot a wine cooler. I was surprised how fast and effective there technician was. He found that the controller was bad. I was surprised again when he told me the repairs would be more than a new unit. In the past the technician always want to do the whole repair and charge a lot for it. But Sandium told me it would be more cost effective to buy a new one and explained how i could install it myself. They were very honest. and Finally he did not charge me for the temporary repairs to my cooler to save my wine collection. Thank you Sandium!

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"Sandium is the best contractor I ever did business with. I did numerous home improvement projects over the last years. I always selected very good, reputable companies. Sandium stood out from that pool of excellent service providers. The quality of work was great and the level of service outstanding. Sandium provided a great combination of craftsmanship, product knowledge and professionalism. I will definitely recommend them to family and friends."

5
★★★★★

"Sandium is the best contractor I ever did business with. I did numerous home improvement projects over the last years. I always selected very good, reputable companies. Sandium stood out from that pool of excellent service providers. The quality of work was great and the level of service outstanding. Sandium provided a great combination of craftsmanship, product knowledge and professionalism. I will definitely recommend them to family and friends."

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"Sandium is the best contractor I ever did business with. I did numerous home improvement projects over the last years. I always selected very good, reputable companies. Sandium stood out from that pool of excellent service providers. The quality of work was great and the level of service outstanding. Sandium provided a great combination of craftsmanship, product knowledge and professionalism. I will definitely recommend them to family and friends."

2
★★★★★

"Sandium is the best contractor I ever did business with. I did numerous home improvement projects over the last years. I always selected very good, reputable companies. Sandium stood out from that pool of excellent service providers. The quality of work was great and the level of service outstanding. Sandium provided a great combination of craftsmanship, product knowledge and professionalism. I will definitely recommend them to family and friends."

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"The guys at Sandium were very professional, did a great job and kept me informed every step of the way. They were very up front about the pricing and were quite competitive compared with our other 3 offers. I would definitely recommend Sandium."

5
★★★★★

"The guys at Sandium were very professional, did a great job and kept me informed every step of the way. They were very up front about the pricing and were quite competitive compared with our other 3 offers. I would definitely recommend Sandium."

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"The guys at Sandium were very professional, did a great job and kept me informed every step of the way. They were very up front about the pricing and were quite competitive compared with our other 3 offers. I would definitely recommend Sandium."

2
★★★★★

"The guys at Sandium were very professional, did a great job and kept me informed every step of the way. They were very up front about the pricing and were quite competitive compared with our other 3 offers. I would definitely recommend Sandium."

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I've got to tell you, you saved our Christmas! Me and my family are very greatful to you and Sandium. I called your company on the morning of 12/24, as my furnace wasn't working. I thought that we would have to go to find warmth at a friend's house for Christmas, how can you expect to get a new furnace installed on the day before Christmas? I was afraid that I would have to spend $2K for a new furnace, and probably any other company would have made me buy a new furnace. Not Sandium, though, you guys are honest and straightforward. Your technician, Jacob came out and was able to fix the furnace, though it took him almost two hours, it really wasn't easy. Jacob is a very experienced and professional technician. Again, I was ready to pay for a new furnace, but you saved me the expense this time.
I'll definitely have you guys replace my furnace in a few months, and thank you again!
Mac I.

5
★★★★★

I've got to tell you, you saved our Christmas! Me and my family are very greatful to you and Sandium. I called your company on the morning of 12/24, as my furnace wasn't working. I thought that we would have to go to find warmth at a friend's house for Christmas, how can you expect to get a new furnace installed on the day before Christmas? I was afraid that I would have to spend $2K for a new furnace, and probably any other company would have made me buy a new furnace. Not Sandium, though, you guys are honest and straightforward. Your technician, Jacob came out and was able to fix the furnace, though it took him almost two hours, it really wasn't easy. Jacob is a very experienced and professional technician. Again, I was ready to pay for a new furnace, but you saved me the expense this time.
I'll definitely have you guys replace my furnace in a few months, and thank you again!
Mac I.

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I've got to tell you, you saved our Christmas! Me and my family are very greatful to you and Sandium. I called your company on the morning of 12/24, as my furnace wasn't working. I thought that we would have to go to find warmth at a friend's house for Christmas, how can you expect to get a new furnace installed on the day before Christmas? I was afraid that I would have to spend $2K for a new furnace, and probably any other company would have made me buy a new furnace. Not Sandium, though, you guys are honest and straightforward. Your technician, Jacob came out and was able to fix the furnace, though it took him almost two hours, it really wasn't easy. Jacob is a very experienced and professional technician. Again, I was ready to pay for a new furnace, but you saved me the expense this time.
I'll definitely have you guys replace my furnace in a few months, and thank you again!
Mac I.

2
★★★★★

I've got to tell you, you saved our Christmas! Me and my family are very greatful to you and Sandium. I called your company on the morning of 12/24, as my furnace wasn't working. I thought that we would have to go to find warmth at a friend's house for Christmas, how can you expect to get a new furnace installed on the day before Christmas? I was afraid that I would have to spend $2K for a new furnace, and probably any other company would have made me buy a new furnace. Not Sandium, though, you guys are honest and straightforward. Your technician, Jacob came out and was able to fix the furnace, though it took him almost two hours, it really wasn't easy. Jacob is a very experienced and professional technician. Again, I was ready to pay for a new furnace, but you saved me the expense this time.
I'll definitely have you guys replace my furnace in a few months, and thank you again!
Mac I.

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My experience with Sandium was excellent. My furnace wasn't working. They came out the same day and fixed the problem. Very good price. Great company to do business with!

5
★★★★★

My experience with Sandium was excellent. My furnace wasn't working. They came out the same day and fixed the problem. Very good price. Great company to do business with!

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"Excellent Job !!!: I wanted to repair my old duct work and was also looking into replacing furnace and A/C.. I started with four quotes. Three were very short - Sandium's very detailed. At the initial consultation I was told that I am buying a finished product (equipment and professional design/installation) and not just some pieces of equipment. At the time I was confused what the estimator was talking about but when they started the work I quickly understood. A team of three excellent professionals worked diligently for several days. The final product: A great comfort system. Even the inspector was impressed! I highly recommend Sandium!"

2
★★★★★

"Excellent Job !!!: I wanted to repair my old duct work and was also looking into replacing furnace and A/C.. I started with four quotes. Three were very short - Sandium's very detailed. At the initial consultation I was told that I am buying a finished product (equipment and professional design/installation) and not just some pieces of equipment. At the time I was confused what the estimator was talking about but when they started the work I quickly understood. A team of three excellent professionals worked diligently for several days. The final product: A great comfort system. Even the inspector was impressed! I highly recommend Sandium!"

Pros: They kept my house really clean.

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I am very pleased with Sandium. My heater broke. A service man was at my home within 1h of my call. I was told by another contractor that I needed to replace my furnace. Sandium's tech fixed the problem. Instead of paying 2k for a new furnace I paid $130 for the repair. Thank you Sandium for a job well done.

2
★★★★★

I am very pleased with Sandium. My heater broke. A service man was at my home within 1h of my call. I was told by another contractor that I needed to replace my furnace. Sandium's tech fixed the problem. Instead of paying 2k for a new furnace I paid $130 for the repair. Thank you Sandium for a job well done.

Pros: Excellent communication. I appreciated the follow up call from the office

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Couldn't have asked for anyone better. Mike was exceptionally informative. His installers were friendly, explained things and did a clean job. Even the inspector was impressed.

5
★★★★★

Couldn't have asked for anyone better. Mike was exceptionally informative. His installers were friendly, explained things and did a clean job. Even the inspector was impressed.

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My furnace broke on Friday morning. I called Sandium and they sent a technician out within 1 hour. He was clean cut, friendly and very professional. The problem was identified quickly, the furnace repaired and up and running. I am very happy with the Service provided by Sandium.

5
★★★★★

My furnace broke on Friday morning. I called Sandium and they sent a technician out within 1 hour. He was clean cut, friendly and very professional. The problem was identified quickly, the furnace repaired and up and running. I am very happy with the Service provided by Sandium.

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What a great experience! Courteous, knowledgable, clean, on-time, detail oriented - I can go on and on. I normally don't take the time to write reviews but these guys are worth mentioning. Sandium is my kind of company!

2
★★★★★

What a great experience! Courteous, knowledgable, clean, on-time, detail oriented - I can go on and on. I normally don't take the time to write reviews but these guys are worth mentioning. Sandium is my kind of company!

Pros: Great value, excellent workmanship

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I had my new heating and cooling system installed by Sandium. I am very happy with the result. We worked with several contractors over the years - not one was even close to the level of professionalism, quality and service Sandium offers. I highly recommend doing business with Sanidum.

2
★★★★★

I had my new heating and cooling system installed by Sandium. I am very happy with the result. We worked with several contractors over the years - not one was even close to the level of professionalism, quality and service Sandium offers. I highly recommend doing business with Sanidum.

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We were very satisfied with every aspect of the project. Very professional, very detail oriented, very friendly and knowledgable. We strongly recommend Sandium.

2
★★★★★

We were very satisfied with every aspect of the project. Very professional, very detail oriented, very friendly and knowledgable. We strongly recommend Sandium.

Pros: Great company to do business with

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Sandium efficiently took care of our HVAC system problems. We appreciated the prompt, friendly, professional service and will certainly recommend the company to our friends.

2
★★★★★

Sandium efficiently took care of our HVAC system problems. We appreciated the prompt, friendly, professional service and will certainly recommend the company to our friends.

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The workers were very friendly, yet professional. The quality of workmanship is excellent. We would recommend Sandium to any of our friends or family members.

2
★★★★★

The workers were very friendly, yet professional. The quality of workmanship is excellent. We would recommend Sandium to any of our friends or family members.

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Sandium installed a new heating and air conditioning system. The installation looks clean. They paid attention to detail. The system works great. The installers were neat, very clean, professional and answered all my questions during the installation. The overall experience was very good. I highly recommend doing business with Sandium.

2
★★★★★

Sandium installed a new heating and air conditioning system. The installation looks clean. They paid attention to detail. The system works great. The installers were neat, very clean, professional and answered all my questions during the installation. The overall experience was very good. I highly recommend doing business with Sandium.

.

Needed a new A/C and hired Sandium to do the Job. The staff was very knowledgeable, friendly and professional. The job was started and completed as promised. The workmanship is excellent. I am very happy with my installation.

5
★★★★★

Needed a new A/C and hired Sandium to do the Job. The staff was very knowledgeable, friendly and professional. The job was started and completed as promised. The workmanship is excellent. I am very happy with my installation.

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.

From initial contact to project completion every aspect of the job was handled seamlessly and with consummate professionalism.I highly recommend Sandium. Marilyn, San Jose

5
★★★★★

From initial contact to project completion every aspect of the job was handled seamlessly and with consummate professionalism.I highly recommend Sandium. Marilyn, San Jose

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.

Your Comfort Advisor was very courteous and knowledgeable . He took his time to understand our needs and addressed all our concerns. All of the installers were friendly and did an excellent job. I surely will recommend your services... Once again, thank you for the professionalism you demonstrated on this project and the effort from beginning to end.D. Yang, San Jose

5
★★★★★

Your Comfort Advisor was very courteous and knowledgeable . He took his time to understand our needs and addressed all our concerns. All of the installers were friendly and did an excellent job. I surely will recommend your services... Once again, thank you for the professionalism you demonstrated on this project and the effort from beginning to end.D. Yang, San Jose

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