Call us now and we'll work to schedule a technician the same day, across every trade we handle.
Book A ServiceFurnace Repair in Andover, MA
Comprehensive Heating Service for Local Homeowners
When your furnace quits in a Massachusetts winter, you need a contractor who can get there fast and fix it right. Cornerstone Services handles furnace repair and installation alongside electrical, plumbing, cleaning, and handyman work all under one company, one warranty, and one flat-rate pricing structure. Our service vehicles are staged from multiple locations across southern New Hampshire and northern Massachusetts, so when you call from Andover, we can typically get someone to you the same day.
We’ve earned more than 1,250 five-star reviews across Google, HomeAdvisor, Facebook, and Yelp over more than 20 years in the trades.
If your furnace isn’t heating, call us now at (603) 874-1402. Same-day service is available.
Furnace Repair, Installation, & Maintenance
Our technicians diagnose and repair furnace problems across all major brands and models and handle full installations when a system is beyond saving. Every installation in Andover requires a mechanical permit. We manage that process so you don’t have to coordinate it separately.
Maintenance matters too. Regular furnace tune-ups, including inspecting the heat exchanger, cleaning the burner assembly, and checking ignition components and airflow, help prevent mid-winter breakdowns and extend the life of your equipment. We price every job flat-rate: the number we quote you before we start is the number you pay at completion, with no hourly overruns or hidden fees. Every completed job is backed by a signed workmanship warranty under our quality assurance policy. Financing options are also available. Ask about current terms when you schedule.
Common Furnace Problems We Diagnose
Most furnace failures trace back to a handful of components: failed igniters, tripped limit switches, cracked heat exchangers, blocked airflow, or thermostat and ignition control issues. These aren’t problems homeowners can reliably assess without professional diagnostic equipment. When your system is short-cycling, blowing cold air, or refusing to start, a service visit can help determine whether you’re looking at a repair or a replacement.
Every technician we send to your property has passed a background check. When the job is done, they clean up completely, with no debris and no mess left behind.
Why Andover Homeowners Call Cornerstone Services
There are a lot of HVAC contractors in the area. Here’s what sets us apart:
- 1,250+ Five-Star Reviews: Verified across Google, HomeAdvisor, Facebook, and Yelp, built one job at a time over more than 20 years.
- On-Time Arrival: Our scheduling system is built around showing up when we say we can. Vehicles are staged across southern NH and northern MA to support real response times in Andover.
- Flat-Rate Pricing: We price by the job. The quoted number is the final number, with no hourly overruns and no adjustments at the door.
- Signed Workmanship Warranty: Every job is documented under our quality assurance policy. You get written protection on our work.
- Same-Day Scheduling: Call us and we’ll work to get a technician out the same day.
- Background-Checked Technicians: Every worker passes a background check before entering your home or business.
- Monthly Promotions: We run rotating special offers each month. Ask about current savings when you schedule.
- Single-Provider Trades: Electrical, plumbing, HVAC, cleaning, and handyman work available through one call, under the same warranty and pricing structure.
- Financing Available: Ask about current terms when you book your appointment.
Schedule Your Andover Furnace Repair Today
Don’t let a failing furnace put your household at risk this winter. Same-day appointments are available.
Ready to get your heat back? Contact us today to schedule your furnace repair or installation in Andover, MA, or call us directly at (603) 874-1402.
The Cornerstone Difference: Built on Trust. Backed by Service.
The service standards behind the thousands of positive experiences our customers share year after year.
-
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.
-
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.
-
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.
-
Background-Checked Workers
Every technician passes a background check before they step onto your property, regardless of the trade or type of job.
-
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.
-
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.
-
Paul Quinn did electrical work for me and he was the best!Nicola Sullivan
-
Michael with Cornerstone Services was excellent to work with.Jamie Fasbender
-
He was very professional and explained all that he was doing.Mary Duford
-
Showed up as agreed and was very informative.John Cote
-
Fast response and very professional.Anne Butterworth
-
On time. Thorough. Kind. Positive attitude in this awful heat.N N
-
Cornerstone came promptly and fixed them.Marilyn Frank
-
He and his partner PJ worked quickly and efficiently to solve a dryer vent issue we had been experiencing.Pierre Thelusma
-
Took care of our electrical needs with ease!Peter Larocque
-
He was quick, thorough, professional, and made sure everything was done right.Jess Nichol
-
10/10 experience and so happy we got in touch with him and this company!Anthony Capozzi
-
They were so neat, you would never know there was a problem.Bill Mullen
-
Paul is always friendly, polite, and professional.Cindy Marcin
-
Paul was efficient and expert at correcting the problem and ensuring all was well.Woodrow Cook
-
He went above and beyond for me when some unforeseen issues arose with my bathtub install.Susan Hevey
-
Tech was on time, friendly, and competent.Vincent JJ Balukonis
-
He was very thorough and quickly corrected the issue.Gary Chisholm
-
Josh was very prompt with his services and explained things clearly.Kim Mcanany
-
Arnold is a pleasure to work with.Esther Bradbury
-
Jason is always great and knowledgeable and friendly.Mark Duell