Professional Heating Installation in Connecticut
Ready for a new heating system? At A&S Nathan Heating & Cooling LLC, we specialize in installing furnaces, boilers, heat pumps, and ductless systems that keep your home comfortable and efficient—no matter how cold it gets outside. Whether you’re replacing an outdated unit, upgrading for better efficiency, or switching from oil to gas, our licensed team will get the job done right.
Why Choose Us for Heating Installation?
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Expert System Sizing – We’ll recommend the best system for your home’s size and heating needs.
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Energy-Efficient Options – Save money with high-efficiency models and modern technology.
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Oil-to-Gas Conversions – Make the switch to a cleaner, more cost-effective fuel source.
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Heat Pump & Ductless Solutions – Flexible options for all home types and comfort preferences.
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Licensed, Insured & Trusted Locally – Serving Connecticut families with reliable HVAC service.
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Financing Available – Affordable monthly payments through Synchrony.
Our Heating Installation Services
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Furnace installation (gas & oil)
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Boiler installation
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Heat pump installation
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Ductless heating systems
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Thermostat upgrades & zoning
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Oil-to-gas conversion services
Service Areas
We provide heating installation throughout Connecticut, including:
Fairfield • Stratford • Trumbull • Milford • Shelton • Monroe • Newtown • Ansonia • Derby • Orange • Seymour • Beacon Falls • Bethany • Oxford—and surrounding areas.
Upgrade Your Home’s Comfort Today
Don’t wait until your old system fails—plan ahead with a professional heating installation from A&S Nathan Heating & Cooling LLC. Call (203) 555-1234 or click Book Appointment to schedule your free estimate today.
Look no further – if you’re trying to find the company to use, this is it. Could not have been a better experience. I reached out for help with my furnace situation and sett— Jeffrey Byron
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I have used A&S Nathan for my personal home, for all of family and I recommend them to all of my real estate clients to as well! They are the best around and you will not be disappo— Kimberly Camella – Roy
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Had A&S Nathan come out and service my in-laws house this week 11/5. Stew was the tech and did an excellent job! He was very professional, knowledgeable and a polite guy. He got the— Victoria Kondor
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Dan from the service dept repaired my heating system and was very professional. He explained the issue so I understood what he meant. He was polite and cleaned the area up nicely afterw— Tracy B
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We had our AC system replaced this year. The A&S team was on time, professional and polite. They got the job done within the timeframe they estimated, they shared honest feedback on— Deb Ferreira
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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— Nick Franzago
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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— Richard DeLand
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A&S is the real deal! I just bought a new home that needed work on re-wiring the thermostats. Other services attempted to fix the issue but could not get the job done. A&S showe— Jamie Bean
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Our technician Dave was incredible. I’ve done some plumbing myself but watching him work was a pleasure. He arrived on time, was skilled and efficient and patiently explained what— Maria Rubino
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Very positive experience here, good communication with the office, quick and decent parts and labor estimates. Quick and professional furnace replacement, and all necessary collateral w— Nick Ungureanu
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Paul was very knowledgeable, thorough, and professional. Highly recommended!!!— Anthony Testani
A&S Nathan is a quality organization – a family business with a solid team across the board! They did the install for our newly renovated bar and not only were they flexible w— Joseph Joyce
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