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

Jake and his crew at A&S Nathan are top notch. I have used them for installs and services on many projects. They are always on time and fix any issue I have, from gas piping, tankle
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— matthew todice

Great installation and service experience.

— Shannon Bowley

I used A&S Nathan to replace my forced hot air heating and air conditioning system in August 2024.

— scott reed

The few times we have had problems with our AC or water heater we have had quick and effective responses with problems usually resolved within 24 hours or less! All workers who have com
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— Dena Skowronski

Yesterday, My mothers home had lost heat. I work at Aire Serv and we dont do oil, but we always use A&S nathan for our oil customers so I figured why not call them for me.

— Sara Whiteley

Fast Friendly Service and the On-Line Appointment booking option was fast and easy. Made it so easy to pick a day and time. Service Tech showed up right on time and did a great job fast
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— Lynn Sansone

A&S Nathan is a first rate company with exceptional employees like Jared who serviced one of my AC units today. Great guy who clearly knows his stuff and he helped lay out my option
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— Diane F

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

Mark came by today to service my boiler and he was professional and efficient. Offered suggestions for future maintenance and took the time to explain the services he provided. Highly r
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— Nick Franzago