21st Century Heating & Air Conditioning, LLC

★★★★★
  • 7 Glendale Drive

    Nashua, NH 03064

    Map & Directions
  • 866-415-5715

About 21st Century Heating & Air Conditioning, LLC

Categories
  • Air Conditioning Contractors
  • Heating Contractors
  • HVAC Contractors
Details
  • Furnace Repair

Home Construction & Remodeling

Home Construction & Remodeling
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5.0 10
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Very pleased with my central AC install. Dennis came out three different times to help me get the quote nailed down with a system that would cool our house the right way. We don't have forced hot air heat so a central AC install isn't just a matter of hooking up a condenser and connecting an air handler to existing duct work. Dennis and Chris worked very hard in 90-degree plus heat and finished our project right on time. All of the sub-contractors working with 21st Century were excellent and very professional. All-in-all, this was a great experience and I would not hseitate recommend 21st Century to anyone. Bring on the heat!

2
★★★★★

Very pleased with my central AC install. Dennis came out three different times to help me get the quote nailed down with a system that would cool our house the right way. We don't have forced hot air heat so a central AC install isn't just a matter of hooking up a condenser and connecting an air handler to existing duct work. Dennis and Chris worked very hard in 90-degree plus heat and finished our project right on time. All of the sub-contractors working with 21st Century were excellent and very professional. All-in-all, this was a great experience and I would not hseitate recommend 21st Century to anyone. Bring on the heat!

on Service Magic

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dennis n his crew were on time and did a great job, although i wasnt here when they finishede had to wlk my dog so i never got to do a final walk through with him but overall no problems....i would hire them ialready recomended them to some of my neighbors

2
★★★★★

dennis n his crew were on time and did a great job, although i wasnt here when they finishede had to wlk my dog so i never got to do a final walk through with him but overall no problems....i would hire them ialready recomended them to some of my neighbors

on Service Magic

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Dennis was the lowest cost of the estimates we received. He came in the next day to replace our hot air system in only a few hours and left the work area spotless. This is a great guy to work with, and we highly recommend him.

2
★★★★★

Dennis was the lowest cost of the estimates we received. He came in the next day to replace our hot air system in only a few hours and left the work area spotless. This is a great guy to work with, and we highly recommend him.

on Service Magic

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Dennis came had given me a quote and installed my furnace in 2 weeks. His service was amazing.

2
★★★★★

Dennis came had given me a quote and installed my furnace in 2 weeks. His service was amazing.

on Service Magic

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I had my central air and a new gas furnace installed about a month and a half ago. It is so nice to have my home climate controlled. Dennis came and assessed the job, gave me a price right then and stuck to that price, even though he encountered problems he did not anticipate. He was very professional. He and Paul were at my home for 3 days. I was really apprehensive about having people in my home for that many days. They were great to deal with. They were friendly and a pleasure to be around. They were very organized and cleaned up each day before they left. I would highly recommend this company to anyone who is looking to install A/C or a new furnace.

2
★★★★★

I had my central air and a new gas furnace installed about a month and a half ago. It is so nice to have my home climate controlled. Dennis came and assessed the job, gave me a price right then and stuck to that price, even though he encountered problems he did not anticipate. He was very professional. He and Paul were at my home for 3 days. I was really apprehensive about having people in my home for that many days. They were great to deal with. They were friendly and a pleasure to be around. They were very organized and cleaned up each day before they left. I would highly recommend this company to anyone who is looking to install A/C or a new furnace.

on Service Magic

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We hired 21st Century to replace our 20 year old FHA furnace/AC. They were very prompt in response to all our calls. They were very professional and thorough in their work, and very easy to work with. Since we live in a condo development, there have been a number of furnace replacements similar to ours. In talking to some of our neighbors who have had their systems replaced, not only did 21st Century provide us with quality equipment, their work was superior, and their pricing less. In short we are thoroughly satisfied with dealing with 21st Century

2
★★★★★

We hired 21st Century to replace our 20 year old FHA furnace/AC. They were very prompt in response to all our calls. They were very professional and thorough in their work, and very easy to work with. Since we live in a condo development, there have been a number of furnace replacements similar to ours. In talking to some of our neighbors who have had their systems replaced, not only did 21st Century provide us with quality equipment, their work was superior, and their pricing less. In short we are thoroughly satisfied with dealing with 21st Century

on Service Magic

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great job, very neat work, very clean work area after they completed their work, kept us well informed of their progress, also finished ahead of schedule

2
★★★★★

great job, very neat work, very clean work area after they completed their work, kept us well informed of their progress, also finished ahead of schedule

on Service Magic

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21st Century installed AC in our home in two days (including duct work). 21st Century listened to our concerns during the quotation period and came up with the best quality/price ratio offer.
The work done was beyond our expectations. We recommend using 21st. Thumbs up!

2
★★★★★

21st Century installed AC in our home in two days (including duct work). 21st Century listened to our concerns during the quotation period and came up with the best quality/price ratio offer.
The work done was beyond our expectations. We recommend using 21st. Thumbs up!

on Service Magic

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Great job. Professional, neat and quick service.

2
★★★★★

Great job. Professional, neat and quick service.

on Service Magic

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Price was fair. He did a good job and did it very quickly. Very pleased with the work.

2
★★★★★

Price was fair. He did a good job and did it very quickly. Very pleased with the work.

on Service Magic

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