Fast, Reliable Heating Repair in Connecticut

When your heating system stops working, you need help you can count on—fast. At A&S Nathan Heating & Cooling LLC, we provide prompt, professional heating repair services to keep your home comfortable and safe all winter long. Whether it’s a furnace, boiler, heat pump, or ductless system, our licensed technicians are trained to diagnose and fix problems efficiently.

Why Choose Us for Heating Repair?

24/7 Emergency Service – Heating breakdowns don’t wait for business hours, and neither do we.
Licensed & Insured Technicians – Our team has the training and experience to handle any heating system.
Upfront Pricing – No hidden fees—just clear, honest service.
Locally Trusted – Serving homeowners across Fairfield, New Haven, and surrounding counties.
Financing Available – Flexible payment options through Synchrony.

Common Heating Problems We Fix

Furnace not turning on or blowing cold air
Uneven heating throughout your home
Strange noises or odors from your system
Frequent cycling on and off
Rising energy bills due to inefficiency

No matter the issue, our team will get your system back up and running—fast. If your system is beyond repair, we’ll walk you through replacement options that fit your budget.

Service Areas

We proudly provide heating repair in towns across Connecticut, including:
Fairfield • Trumbull • Stratford • Milford • Shelton • Ansonia • Derby • Orange • Seymour • Monroe • Newtown • Beacon Falls • Bethany • Oxford—and more.

Schedule Heating Repair Today

Don’t wait until a small issue becomes a major breakdown. Call (203) 555-1234 or use our Book Appointment button to schedule service now. Our friendly team is ready to restore warmth and comfort to your home.

Book an Appointment

I had an issue, I called and I got through to the office manager heather .

— Jorge Lopez

Al Nathan went above and beyond to diagnose a problem with my duct work and a vent that was not working. He and his crew were professional and completed the work promptly and efficientl
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— Ony Sierra

My wife and I went through many hvac contractors before finding Jake and his team. We are so happy to have honest and efficient technicians to service our equipment year round.

— Stephen

I very rarely write a review for a company but this is my SECOND review for A&S NATHAN… From the office people to the techs themselves, there is always a feeling of family and pro
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— Martin Goldschmidt

The tech that came to my house Was Mark very professional very respectful he can come to my home to service my unit anytime thank you Mark

— John Zofcak

We had several things done/installed in one day. Ian was fantastic coordinating the entire project. Then he took time to explain everything to us. Heather in the office is so accommodat
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— linda hooper

I have been using A&S for over ten years plus for regular annual service as well as new installs. They have installed new A/c units , new HW heater and new gas furnace over the year
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— Henry Pensiero

Amazing fast SAME DAY SWRVICE ! ????? Thank you so much Dave ! Will absolutely recommend !

— Irene Camara

Great company. They have been servicing my oil furnace and air conditioning unit for about 20 years. The technicians are friendly, courteous and excellent at their trade. Highly recomme
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— Nick O

We have been using A&S Nathan for several years for yearly furnace cleaning and this was our first need of emergency furnace service. On 9/23, I called A&S Nathan at 913am as ou
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— kathy scholz