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

I highly highly recommend them. Very professional. Calls back right away. Sets up meeting. Email and text sent. Then another email and text sent to remind you of the meeting and then a
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— Linda Dzurenda

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

This morning I woke up to no hot water and no heat. I called the company who installed my gas boiler and they referred me to A&S Heating and Cooling. They came out within hours, eve
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— Cathy Politi

Fast service. Called on a dead furnace and new furnace installed SAME DAY!

— George Habrecht

Great company and great tech’s. They are always on time, professional, and clean. Prices are fair and service and communication are great. No brainer…

— Allied Design Co LLC

What an awesome company to deal with. My technicians Craig and Larry were an absolute pleasure to have in my home servicing my boiler. I would recommend them to anyone looking for a qua
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— Jim Dummitt

They were very patient and thorough in reviewing and finding out what I needed in an upgrade of my HVAC system. Quickly scheduled the upgrade and did a great job getting it done in less
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— Richard DeLand

Received an immediate call-back and Mark was on-site to quickly fix our AC the next morning – all before the holiday weekend! Professional, friendly – and got the job done &
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— Charles Schif

Scott came out right away to check that our system was working efficiently and also upgraded our Prehistoric thermostats. Scott, along with everyone in the office, was friendly and prof
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— JCBouton

I am completely satisfied with the way your company conducts its business. I am in the building industry as well and I know how important customer service is as well as the quality of y
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— Sue Marinko

A&S Nathan was easy to schedule, timely and professional. I was very pleased with their services!

— Marlene Piscioniere

11/6/25 – Today Mark & Sean came for Maintenance of our Navien NCB 240E Combi Boiler. They were Scheduled for a 10 to 12 window and came right at 10am … They worked effi
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— Gil Fevrier