Heating Replacement
When the temperatures drop, you need a heating system you can rely on. At A&S Nathan Heating & Cooling LLC, we specialize in professional heating replacement services that keep your home warm, efficient, and safe. Serving homeowners across Fairfield County, New Haven County, and surrounding Connecticut towns, our licensed technicians deliver dependable solutions tailored to your home and budget.
Signs It’s Time to Replace Your Heating System
Not sure if repair is enough? Replacement may be the smarter investment if your system shows these signs:
-
Your furnace or boiler is more than 15–20 years old
-
Rising energy bills despite regular maintenance
-
Uneven heating or cold spots in your home
-
Frequent breakdowns or costly repairs
-
Strange noises, odors, or reduced air quality
Our Heating Replacement Services
We provide expert installation of energy-efficient heating systems, including:
-
Gas and oil furnaces
-
Boilers
-
Heat pumps
-
Ductless mini-splits
-
High-efficiency systems designed to lower utility costs
Every installation includes professional sizing, removal of old equipment, and a clean, safe setup so your home is ready for comfort right away.
Why Choose A&S Nathan Heating & Cooling LLC?
-
Local Experts – Trusted HVAC company proudly serving Connecticut families
-
Licensed & Insured – Fully certified for furnace and boiler replacements
-
Energy Efficiency – We install systems that meet or exceed ENERGY STAR® standards
-
Financing Options – Flexible plans available to fit your budget
-
24/7 Emergency Service – We’re here when you need us most
Serving Your Town
We proudly offer heating replacement in towns across Connecticut, including Bridgeport, Stratford, Milford, New Haven, Trumbull, Shelton, Fairfield, Hamden, Waterbury, and more.
Book Your Heating System Replacement Today
Don’t wait until your system fails during the coldest day of the year. Schedule a consultation with our team and discover the best replacement options for your home.
I am very pleased with not only the service I received from this company but with the prompt response from them in a time of need.— Jennifer Garofalo
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— Daria Anderson
…
I have had A&S Nathan Heating & Cooling LLC come out 2x this year. Once for my A/C unit in July & today for my heating unit. The level of professionalism & knowledge i— Jo O
…
Called several companies, they were the only ones who were available for same day service. They had my AC unite up and running quickly. Excellent service, will definitely call them agai— Lukasz Glinka
…
This is a long review, but I wanted to highlight a few people and provide examples of why I gave A&S five stars. If you want the summary, skip to the last paragraph. Two days before— Patt Miller
…
We have been using A&S Nathan Heating & Cooling LLC for several years now. They are great company. All their office and field staff are friendly and knowledgeable. Their prices— Michael Stisi
…
Thank you to David and his team who came out quite early on a bitter cold and snowy day. Our boiler stopped working on Sunday and they were able to come on short notice to get it up and— Maria Esteves
…
Always fantastic service. Called last week in a heat wave with no AC and they sent someone out within a few hours and AC was repaired during the visit.— Brett Greenlaw
Excellent work, nice people, been using them for years. Most recently technician Mark fixed my broken AC. He was knowledgeable, professional and thorough. Recommended!— Wm R
Dave was amazing! Honest and quick to fix the problem! Thank you— Michele Ambrosini
Fast, easy and done! From start to finish, the customer service was EXCELLENT!!! Guys were awesome and quick!— Kerry Miressi
These guys are great! The person who took the call was helpful, knowledgeable & friendly. Mark & Larry arrived in a very timely manner, they were also very friendly & knowle— Jonny
…
