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affordable heating and cooling Walley's Heating & Air Conditioning

Walley's Heating & Air Conditioning has been raising the bar for home comfort in Walley's Heating & Air Conditioning with a philosophy we live by: By Walley’s. By the Book. We’re not your average mech...

3+ Services
4.7 Star Rating
100% Satisfaction
Trusted Professional Service
Rating 4.7 / 5 Stars
Availability Fast Response
Specialty Local Business
About affordable heating and cooling Walley's Heating & Air Conditioning
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About affordable heating and cooling Walley's Heating & Air Conditioning

Walley's Heating & Air Conditioning has been raising the bar for home comfort in Walley's Heating & Air Conditioning with a philosophy we live by: By Walley’s. By the Book. We’re not your average mechanical contractor. Our team treats every service call, installation, and maintenance plan as a partnership, not a transaction. Whether you need a quick diagnostic on a gas furnace, a complete overhaul of your central air, or a new energy-efficient water heater, we bring precision, transparency, and respect for your home.What sets us apart? We follow manufacturer specs and industry best practices down to the last bolt. No shortcuts. No hidden upcharges. You'll see it in our project process and he...
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Our Services

Professional solutions tailored to your specific needs — delivered with expertise and care.

When the temperature drops in Walley's Heating & Air Conditioning, a reliable heating system isn't a luxury — it's a necessity. Walley’s Heating & Air Conditioning specializes in gas furnaces, oil boilers, heat pumps, and zoned heating systems. Our NATE-certified technicians can diagnose and repair almost any make or model, often in a single visit. If your system is beyond repair or inefficient, we provide expert replacement services using top-tier brands like Viessmann. The process begins with...

Don't let Walley's Heating & Air Conditioning summer heat catch you off guard. Walley’s provides complete air conditioning services — from routine maintenance to high-efficiency replacements. We handle central AC systems, ductless mini-splits, and even hybrid heat pump setups. Our repair process is fast and transparent: we run diagnostic tests, identify the root cause, and present options before any work begins. For new installations, we size your equipment using Manual J calculations to elimina...

Running out of hot water? Rust-colored water? Unusual noises from your tank? Walley’s Heating & Air Conditioning is your go-to expert for all water heater needs in Walley's Heating & Air Conditioning. We service conventional tank-style heaters, tankless (on-demand) units, and even hybrid heat pump water heaters. Our diagnostics are thorough — we check elements, thermostats, gas valves, and venting. If repair isn't cost-effective, we provide honest replacement recommendations. Installation includ...

Reviews

4.7
★★★★★
out of 5
15 Reviews Based on verified customer feedback
★★★★★
I had my boiler replaced. The two gentlemen that installed the boiler did an excellent job. Their technician (Spencer) was very knowledgeable. I would recommend Walleys for all your plumbing and hvac concerns! Services Heating system repair, Heating system installation
B
Bud Clegg
★★★★★
As a mechanical engineer, I recently had to replace the majority of the gas piping in my home due to improper sizing and poor prior installation. I obtained bids from five contractors for comparison. Walley’s stood out as the best option in terms of both pricing and quality. Their proposal was clearly itemized, which made it easy to understand the full scope of work and compare costs transparently. From an execution standpoint, their workmanship was excellent. The installation was clean, well-organized, and professionally completed. They communicated clearly throughout the project and ensured I was fully satisfied with the results. I highly recommend Walley’s and would confidently use them again for both my personal residence and client projects. Price assessment Great price Price $1,000+ Services Service not listed
A
Amir Mortazavi
★☆☆☆☆
Called for service on my Rinnai tankless water heater. The unit is making a sputtering noise when running. Charged $200 for a service call. Tech couldn't figure out the issue, said he would contact Rinnai. He took a video with sound to send to Rinnai, and said they would contact me by the following Monday. Never heard anything......months later, I got 2 calls from Walleys on the same day, from 2 different employees, who promised to investigate and get back to me. ...Nothing...no callback, no diagnosis, no repair made...Ads said Rinnai experts... Call someone else...I lost $200 and got zero service.... After posting the review, Walleys contacted us and apologized profusely for their shortcomings. They promised a refund and offered to have a tech come out again. We declined the service offer and the refund check arrived yesterday. Price assessment Overpriced Price $200–300 Services Water heater repair
J
Jim Ellis
★★★★★
Short version: Good service, install cleanliness was superior, on time, and done fast! Follow up service a year later, willing to negotiate on price, accommodating. Cons? None really. We didn’t have a reference to how the units looked that we were getting. Spend the money and go with Emura. But the ones we have work fantastic. Note: Multizone units only go down to 64 degrees while single zones go down to 60. We were really happy with Walleys and their professionalism and dealing with everyone was great. Positive Professionalism
J
Joel Taft
★★★★★
I have seen the trucks around Nashua and called for an appointment since my air conditioner wasn’t working. Dave Bradford from Walleys came out and did a assessment of what I had installed. He made some suggestions and I got my quote s within a few days with varying prices, to choose what suited me best for my home and my budget..I chose the best equipment since everything is going up, electricity, gas etc..and you get a rebate from NH Saves for Energy Star equipment, plus I planned on staying here for many more years. I highly recommend Walleys you won’t be disappointed! Oh yea a smart thermostat will get you 85.00 off Positive Responsiveness, Punctuality, Quality, Professionalism, Value Services Install AC, Heating system installation, Install thermostat, Water heater installation
G
Gary Stefanowicz
★★★★★
Furnace stopped working very early on a Saturday morning so we called Walley’s Heating & Air to check it out. In a short time a kind technitician came over and looked the furnace over and diagnosed the issues, ordered the parts, and even returned after his very long day of work, to provide us with a few electric heaters to keep is all warm durring this chilly winter until the parts become available in a couple of days and the furnace gets repaired. This company is amazing and they go above and beyond to make a tough situation so much more comfortable. Thank you Walley’s! Price assessment Great price Services Heating system repair, Service not listed
D
Danielle Zanco

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Address 1 Tara Blvd #200, Nashua, NH 03062, United States

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