Lang's HVAC is hands down the highest quality and fastest response and they will take great care of…read moreyou. I would never call anyone else. They have done full installs and all of my maintenance on all my properties and are fantastic

From the owner: We are pleased to offer 24-hour emergency HVAC service in the areas we are licensed and insured in…read more We also offer free estimates for all HVAC work, including installing new AC units, running and repairing ducts, and repairing furnaces, boilers, and heat pumps. Our expert technicians are well-trained, and they care about your energy costs and indoor air quality. Our customers agree: we get the job done, and we do it right. Whether you're dealing with a faulty AC condenser or you need a replacement heat pump, we offer prompt, efficient service to fix the issue.

The workmen at this company when installing the condenser outside, tore the insulation down in the…read morebasement and didn't replace it leaving exposed pipe and cold air leaking into my kitchen above the vent window in the basement. My workman said if he hadn't discovered the exposed pipe, I would have had burst water pipes very soon due to the freezing temperatures. Rather than cut the insulation and replace it when done, they just tore it down.

From the owner: Key Heating & Air Conditioning is a family-run team of HVAC contractors based out of Exeter, NH…read more For over 25 years they've provided home energy assessments, HVAC maintenance, and installation of all types of HVAC systems. With 100% customer satisfaction as their ultimate goal, the local business is proud to say they've earned an A+ rating with the Better Business Bureau, and many glowing reviews from happy clients. They're the professionals to call when you need efficient HVAC solutions at competitive prices. How is Key Heating & Air Conditioning able to stay at the forefront of the industry? The answer is ongoing education. By providing regular training classes for their EPA-certified technicians, they're the most qualified company in the area to service and install high-SEER cooling and heating systems, geothermal equipment, and ductless systems. In addition, Key Heating & Air Conditioning is qualified to install, service, and repair Mitsubishi Electric Cooling & Heating systems as certified Mitsubishi Diamond Elite Contractors. They're also highly invested in maintaining "green" practices, such as recycling refrigerants and using as many environmentally friendly products as possible.

Decided I didn't want to use this service. Asked to be billed. DEMANDED that I give my credit card…read moreinformation or he'd call the cops. Told him again to bill me. Once again threatened with cops. Offered him $160 in CASH. Told me it was $180. Gave him the cash. He called me a fucking dyke. And then yells it at me. Basically stole my money and then proceeded to insult me. Would not, under any circumstances, suggest connecting with this person. Also threatened me with a law that didn't apply, so must not be the first time he's done something like this to a customer. Steer clear. ADDENDUM: Called the cops on me for harassment. Officer Carter, specifically. Threatened by a fucking dyke who doesn't have his address but he has mine‽ Christ on a cross.

I had a furnace issue that needed to be evaluated as soon as possible. Justin came through quickly…read moreand professionally. I will be using him for additional work on the immediate future.

Prompt & efficient with a great attitude. We received a call back within 2 hours after calling…read moreabout a seriously clogged kitchen drain; Chris arrived soon after. He was accommodating & pleasant, worked diligently to clean out our weirdly clogged drain, which required removing & replacing a pipe under the sink. Despite their very busy schedule, Mahoney's fit us in. I would highly recommend them!

It's 6° out and my heating system decides to quit.. called up a couple plumbers, after one had got…read moreback to me and sent out a guy, Mahoney's called back too, and offered advice on a quick (temporary) fix due to the cold temperatures, you don't always expect that kind of help from businesses but it's great to see it happen, I'll be sure to call them up for any other problems from now on!

All I want to do is write a great review. That would mean I'm happy with the results. I can't do…read moreit. After the expansion tank was added and adjusted on the hot water tank my washer and dryer have to be squeezed back into place, pipes have to be pushed out of the way to make the washer and dryer to fit. I'm going back downstairs to attempt to rectify this situation. I'm not happy that I have to do anything at all. It cost me enough. Would I recommend Heritage Home Service? No is the short answer...

Fire your customer service department they wasted my time and they then told me that they would not…read morebe able to help me after I called them back once I had an appointment See below

Travis is responsive, knowledgeable and will go above and beyond to help in an emergency. We have…read moreused Barr Plumbing for several years and are impressed every time with the quality of his work, fair pricing and positive attitude. He deserves more than 5 stars!

We had a burst pipe over the winter. We called Travis at 6 PM at night based on a referral, and he…read moreshowed up, solved the problem and the price was extremely fair. The quality and price were fantastic. Travis also helped us with a bathroom reno and again, stayed late so we could complete the project.

Dominic came to our home on time and did a great job with cleaning our Heat pumps. He is an hard…read moreworker, through, very clean. All my pumps work like the first day of use now and I cannot say enough about the work ethic of Domonic. Great worker. I paid a fair price for the excellent work done. I will request Dominic for the next cleaning.

I had a good experience with this service. The owner himself came over and did a really good job…read morecleaning my dryer exhaust vent, which was in pretty rough shape.

Martin at Winni Heating and Cooling replaced a very old (1940's) oil tank in our 111-year-old home!…read moreHe did preliminary work, helped us plan for the new installation and walked us through each step leading up to the day of. He removed the old one, repaired and replaced pipes that were old and cracked, installed a new oil tank and connected to our also old furnace in one day and made sure all was in excellent working order. We will use Winnipesaukee Heating & Cooling for all of our heat and furnace needs. His work was excellent and the customer service was AAA+!

I called this Winnipesaukee Heating and Cooling almost two months ago to have service done on our…read moreAC units. I had a great conversation with someone on the phone who enthusiastically explained how they could help and promised to get us scheduled when he returned to the office. Since then, Crickets! I have contacted the company three times since to schedule and appointment and have not been called back. Extremely poor and inconsiderate customer service. I hope they improve some day...