COMPLETE HEATING SOLUTIONS: FOR ALL FUEL TYPES.

When it comes to heating solutions, A&S Nathan Heating & Cooling LLC is your trusted partner. We understand the importance of a warm and comfortable home, especially during the chilly seasons. Our dedicated team is always ready to provide you with reliable heating services, ensuring your home remains a cozy haven all year round. We can help you with:

Energy efficiency
Cost savings
24/7 Emergency services
Exceptional service

We provide prompt and professional service for new and returning customers alike. We’re always here for you, even on weekends and holidays. Contact us for an appointment and get a warm and affordable winter!

Why Choose Our Heating Services?

Our home heating services are designed with your comfort and satisfaction in mind. We offer:

Heating Repairs: We fix malfunctioning systems to keep your home warm
Heating Installations: We upgrade your home with energy-efficient heating equipment
Maintenance: We provide preventative measures for optimal performance and lifespan
Parts: We find replacements for any heating system component

Experience the difference with A&S Nathan Heating & Cooling LLC. Get in touch with us today for all your heating needs in New Haven and Northern Fairfield counties.

Get in Touch With Us for Heating Services

Are you ready to experience a warm, comfortable, and affordable winter? Schedule your appointment with A&S Nathan Heating & Cooling LLC today. We are committed to providing you with exceptional home heating services including heating repairs and heating installation that meet your needs and exceed your expectations. Contact us today and let us bring warmth and comfort to your home.

Heating installation and heating repairs in Fairfield & New Haven County

We finally decided to switch to natural gas in our house and we were looking for a heating and cooling contractor to do it all! Gas in the house, furnace, central air and an on-demand w
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— Mark Pastor

I called A&S Nathan when the furnace in a home I was selling went and needed to be replaced asap to not jeopardize the sale. They responded immediately. The job was done quickly and
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— Colleen Scott

My AC stopped working during a heat wave. I called A&S Nathan Heating & Cooling LLC, and they were able to come within two hours to diagnose and fix my system. They are fast, re
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— Amanda Schaefer

We have used A&S Nathan for years to service our oil burner and our air condition. They also installed a ductless AC in our first floor which we love. We decided to update our heat
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— Laurel Sorrentino

Can’t say enough about this company. Awesome service from first call to fixing my AC. When all other local companies told me two weeks, A&S Nathan did the job immediately and
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— Matt Muccioli

A&S came out to install a new A/C condenser and air handler in my home. They arrived on time, covered my wood floors with drop cloths and worked hard all day in the extreme heat. Th
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— Lori Marco

My furnace kept going in and out on a cold day . Even though they couldn’t fix my old furnace (30+ years old) on the initial service call , the tech was very thorough in diagnosin
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— John Crowley

I had my first experience with A&S Nathan HVAC on April 29, 2025. Making the appointment was a breeze. Received cordial service over the phone. On the day of the service (tune-up an
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— Daria Anderson

Scott from A&S Nathan is my go to for issues with my home and local business. He is always quick to respond and provides top notch work. I trust A&S Nathan and recommend them fo
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— Michael Schmitt

We’ve been customers of A&S Nathan for some time so the decision to use them was easy when it came to replace our boiler. The process was easy and the installation was quick and s
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— Bridget Stronge

Highly recommend A&S Nathan Heating & Cooling LLC. Hot water tank sprung a leak over night. Called the office when they opened. Toni was a delight to speak with. Friendly and up
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— Kevin Marron

Woke up this week to a freezing cold house and a non-functioning furnace. We heard about A&S Nathan Last year from friends, how happy they were with the service.

— Patti Iannucci