
Heating Installation, Service, and Repair, Cooling Installation, Service, and Repair
"Thank you Saul from Revolution. Saul was very accommodating with meeting us for a free estimate after hours so I didn't have to take time off work. He was also accommodating by completing the install on two new furnaces on my day off. I look forward to having ac units installed on the furnaces in the spring. I am very happy and would recommend Revolution HVAC to anyone looking for HVAC services. Saul showed up on time and it was a pleasure dealing with him. This is the second time I used Revolution for heating needs. A++++++ services."
Aaron B. in February 2015
HVAC, AC Install, Service and Repair , and 1 more
About us: "We have over 14 years of industry experience, and is dedicated to providing our clients with the very best in installation, service, and repair for your heating and cooling needs. Our company foundation is built on honesty and integrity. We specialize in Central A/C, Heating and Furnace systems in addition to a variety of HVAC-related projects. We take pride in the quality of our work and our commitment to outstanding results. We look forward to building long-term relationships with our clients, and guarantee your satisfaction!"

Refrigeration, Plumbing, HVAC
"Totally excellent service. My furnace was not working so I had no hot water. I called after 7 pm and Mike was there first thing in the morning to check it out. He located the problem and took immediate action to resolve it. Called suppliers, located the part for a 57 year old furnace. The following day Jason and Chase came and made the repair. Cost effective price with professional workmanship. Reliable and trustworthy."
Ginny P. in August 2022

Tankless Water Heater - Install & Repair, Central A/C - Install & Repair, Gas Boiler or Radiator Heating System - Install , and 2 more
"Kason is truly the best. Not only does he answer every time we call for any issue, but he or Connor, show up the same day which is huge when you run a small business! We needed a walk in freezer repair at our catering business- Kason was there on Wednesday to investigate, called me the same day with an estimate and we had the install on Friday. He is meticulous, precise and very knowledgeable. Kason has checked in the last few days to make sure things are still running smoothly and the freezer is doing its job- where can you find better customer service? I know we are a CRS Mechanical customer for life now."
Kirstie B. in November 2024

TV Wall Mounts, Home Theater, Telephone Jack Wiring, Installation of Electrical for Any Additions or Remodels, Residential and Small Commercial , and 2 more
"Very impressed with prompt response to my inquiry and made appt at mutually convenient time within 2 days. Arrived promply and efficiently installed new electric baseboard heaters for bedrooms, took out old ones and moved to garage for disposal, very professional and completed within estimate/quote for service, checked to make sure all working correctly with thermostats. Very satisfied happy customer - highly recommend and will call again--. 5******* +plus star rating! Campton, NH 03223"
Dawn F. in September 2013

Service. 30+ years experience servicing all HVAC equipment. Ductless minisplits, Central air conditioning systems, oil and gas furnaces. Steam heating systems. Boilers and furnaces., Installs over 30 years experience in installation and replacement of forced hot water and forced warmer heating systems. Gas, oil and electric.
"During my work years as a facilities manager I hired Dale Desmarais countless times for HVAC installations and repairs, I’ve also hired him for work on my HVAC system for my home service. His service and reliability is always excellent. I highly recommend him as he is honest, capable and very experienced, he thinks outside the box!"
Judy G. in April 2021

HVAC Services, Residential/ Commercial Refrigeration Systems, AC Install/Repair
"The gentlemaen that have come to my house from this company have been spectacular. They came on time they’re efficient. There’s no nonsense. They found a problem replaced it and said please call back if there’s a problem and they couldn’t have been nicer. I would highly highly recommend them to anyone"
E29ED377CC0ED593ED0178DCAA65B3B0A2EA8A0987384955418EC85AAEB7B405 2. in August 2025

Plumbing, $89 Service Fee, Heating & Cooling , and 7 more
"The people at ProActive Comfort were amazing from start to finish. They were responsive, thorough and professional and really saved us not just money, but our basement from what could have been a disaster by responding to us so quickly. Emily, who is their initial contact, responds quickly and is infinitely helpful . She responded to us almost immediately when we lost out hot water heater 10 days ago. They understand our need for a hot water heater and the price was very reasonable. They do all HVAC work and we will definitely hire them when it comes time to replace our gas boiler. I asked them for a quote on a direct/vent system and they sent it over in less than 24 hours . Anyone needing the services they provide would be wise to hire them ."
Chuck N. in April 2017

"Seder and Son were great to deal with. They came to give a free estimate. The work was completed as promised and on time. Very professional . They kept the work area clean. I would have no hesitation in hiring them again."
Patricia B. in August 2018

Gas, HVAC, Cooling , and 2 more
"I couldnâ t have asked for a better experience. Losing your central air conditioning during a 10-day heat wave is miserable. As miserable as my problem was, within 72 hours of making contact with Next Gen, I had a brand new air conditioner installed. There was no hassle, no delays, everything promised & paid for was delivered. Dan from Next Gen was great to work with. I am a happy & satisfied customer. I will certainly call Next Gen for any future HVAC needs."
Jennifer L. P. in October 2023

"Patrick contacted me within hours of being matched by home advisor, and came to house to estimate the cost of job (furnace and water heater installed). Quote received same day too. Excellent work,job performed in one day."
Mary M. in April 2019
Concord Heating & Furnace Contractors are rated 4.6 out of 5 based on 633 reviews of 633 pros.
The HomeAdvisor Community Rating is an overall rating based on verified reviews and feedback from our community of homeowners that have been connected with service professionals. See individual business pages for full, detailed reviews.
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