Call us now and we'll work to schedule a technician the same day, across every trade we handle.
Book A ServiceHVAC Services in Manchester, NH
Heating & Cooling from a Multi-Trade Team Backed by 1,250+ Five-Star Reviews
When your heating or air conditioning fails, you need a provider you can trust before you pick up the phone. Cornerstone Services handles HVAC repair, installation, and maintenance for residential and commercial customers in Manchester and across southern New Hampshire. Our technicians are licensed, insured, and background-checked before stepping foot on your property. With over 20 years of HVAC experience and more than 1,250 five-star reviews across Google, HomeAdvisor, Facebook, and Yelp, our reputation is documented and easy to verify.
We stage service vehicles from multiple locations so we can reach Manchester customers on time. Same-day service is available when you need help quickly, and our on-call staff is available for scheduling, questions, or urgent repairs. One call handles it all.
Don’t wait out a broken furnace or a failing AC. Call Cornerstone Services now at (603) 874-1402 for same-day scheduling and availability.
HVAC Services We Provide in Manchester
New Hampshire’s climate demands reliable heating through long winters and dependable cooling through warm, humid summers. We handle the full range of heating and cooling work so Manchester homeowners and businesses aren’t juggling multiple contractors.
Here’s what we handle:
- Furnace repair, replacement, and installation
- Air conditioner repair and new unit installation
- Boiler installation and service
- Ductless mini split installation and repair
- Heat pump maintenance, repair, and installation
- Annual HVAC maintenance agreements
- Indoor air quality solutions
- Thermostat upgrades and smart home integration
- Emergency HVAC repair
Ductless mini splits are a strong fit for older New England homes without existing ductwork, and we install and service them alongside traditional forced-air systems. Whether your equipment is making unusual noises, blowing warm air, or simply not keeping up, we can diagnose the issue and get you taken care of.
Flat Pricing, a Signed Warranty & No Surprises
Most HVAC shoppers come in with two concerns: what it’s going to cost and whether the company will stand behind the work. We price every job by the job, not the hour. The number we quote is the number you pay at completion, with no adjustments, no hourly overruns, and no hidden fees.
Every completed job is backed by a signed warranty under our quality assurance policy, giving you documented protection on our work. Financing options are available for larger installations. Ask about current terms when you schedule. We also run rotating monthly promotions throughout the year, so it’s worth asking what’s current when you call. Our technicians clean up after every job and leave your property the way they found it.
Ready for True Comfort? Let’s Get Started
Same-day service is available for Manchester residents who need help fast, and our team is on call for heating and cooling emergencies across the southern New Hampshire region. You won’t reach a voicemail after hours.
Call us now at (603) 874-1402 or schedule online via our Contact Us page to arrange your Manchester, NH HVAC service.
The Cornerstone Difference: Built on Trust. Backed by Service.
The service standards behind the thousands of positive experiences our customers share year after year.
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Flat-Rate Pricing
The price you're quoted before the job begins is the price you pay at completion, no hourly adjustments, no surprise charges.
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On-Time Arrival
Service vehicles are staged at multiple locations so we show up when we say we will, not hours after your window closes.
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Signed Workmanship Warranty
Every job comes with a signed warranty under our quality assurance policy. You get a written record of what the work covers.
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Background-Checked Workers
Every technician passes a background check before they step onto your property, regardless of the trade or type of job.
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Same-Day Scheduling
Call us and we'll work to get a technician out the same day. Our on-call staff is available 24 hours a day, every day of the week.
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Clean Job Sites
Your home or business will be left clean when we're done. Technicians are responsible for cleaning up after every job, no exceptions.
1,250+ Five-Star Reviews & Counting
We let our work speak for itself. From quick repairs to major installs, our customers say it best.
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Paul Quinn did electrical work for me and he was the best!Nicola Sullivan
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Michael with Cornerstone Services was excellent to work with.Jamie Fasbender
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He was very professional and explained all that he was doing.Mary Duford
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Showed up as agreed and was very informative.John Cote
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Fast response and very professional.Anne Butterworth
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On time. Thorough. Kind. Positive attitude in this awful heat.N N
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Cornerstone came promptly and fixed them.Marilyn Frank
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He and his partner PJ worked quickly and efficiently to solve a dryer vent issue we had been experiencing.Pierre Thelusma
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Took care of our electrical needs with ease!Peter Larocque
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He was quick, thorough, professional, and made sure everything was done right.Jess Nichol
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10/10 experience and so happy we got in touch with him and this company!Anthony Capozzi
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They were so neat, you would never know there was a problem.Bill Mullen
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Paul is always friendly, polite, and professional.Cindy Marcin
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Paul was efficient and expert at correcting the problem and ensuring all was well.Woodrow Cook
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He went above and beyond for me when some unforeseen issues arose with my bathtub install.Susan Hevey
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Tech was on time, friendly, and competent.Vincent JJ Balukonis
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He was very thorough and quickly corrected the issue.Gary Chisholm
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Josh was very prompt with his services and explained things clearly.Kim Mcanany
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Arnold is a pleasure to work with.Esther Bradbury
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Jason is always great and knowledgeable and friendly.Mark Duell