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 Whether you’re replacing an outdated unit, upgrading for better efficiency, or switching from oil to gas, our licensed team will get the job done right.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.
A&S Nathan replaced my boiler and hot water tank yesterday and I couldn’t be happier. They were very professional and courteous and I would highly recommend them to anyone!— Susan Darmiento
The A&S team is always helpful and professional. They recently took time out of their already very busy schedule to replace my furnace so my family could have a warm house again. Th— Dave Knight
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Our 94-year-old steam boiler failed losing all of its water and becoming totally inoperable. We never used A&S Nathan Heating & Cooling LLC before but decided to give them a try— Joseph Papeika
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We used A&S Nathan to replace our Water Heater that wasn’t venting properly. During the estimate, Jake explained my options and recommended an On Demand water heater. I am ext— Mark A
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Was having issues with my heating on a Friday afternoon, called A&S and they sent someone over right away to take a look. They had my heat working within 30 min. I recommend them to— Peter Vicente
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A&S Nathan is quick to respond, work within reasonable budgets, and turned around a furnace replacement IN A DAY (in a very cold January week!). Throw on top, they’re very nic— Andrew Hoenig
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This company is fantastic. I had probably the worlds worst central air system installed by previous homeowners and after 6 years of finagling it finally called 3 companies. A&S was— Michael Thomas
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Craig Andrews is the best tech! Appreciate his thoroughness and attention to detail!— Elizabeth Honcharik
Had Mark at my house for service. Up and running better than ever.— Kevin Mosman
Thumbs up to A&S Heating. Dave, the technician found some issues that were done improperly and accurately corrected the problems. Left everything clean. Very professional and will d— C J
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We have used A&S Nathan for several years for our air conditioning, heat and water heater maintenance. Last night, around 8pm on a Friday evening we discovered our basement was part— Lauren
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Great service— paul grey
