Take Control of Your Comfort
Your thermostat is the “brain” of your heating and cooling system. With today’s smart thermostats and zoning devices, you can fine-tune comfort in every room while lowering energy bills. At A&S Nathan Heating & Cooling LLC, we install and configure advanced thermostat systems and HVAC zoning solutions that give you more control, flexibility, and efficiency.
Why Upgrade Your Thermostat or Add Zoning?
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Better Comfort – Eliminate hot and cold spots by controlling temperatures in different areas of your home.
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Smart Home Integration – Control your heating and cooling from your phone, tablet, or voice assistant.
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Energy Savings – Modern thermostats learn your habits and optimize efficiency automatically.
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Custom Scheduling – Program heating and cooling for your lifestyle.
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Increased Home Value – Smart HVAC upgrades are attractive features for buyers.
Our Thermostat & Zoning Services
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Smart thermostat installation (Nest, ecobee, Honeywell, and more)
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Wi-Fi thermostat setup and integration with your HVAC system
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Multi-zone HVAC system installation and zoning panel setup
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Retrofitting zoning dampers for existing ductwork
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Troubleshooting and replacing outdated thermostats
Why Choose A&S Nathan Heating & Cooling LLC?
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Licensed & Insured Technicians – Proper installation for seamless performance.
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Trusted Local Experts – Serving families across Fairfield, New Haven, and surrounding counties.
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Upfront Pricing – No surprises—just straightforward service.
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Financing Available – Affordable monthly options through Synchrony.
Service Areas
We proudly provide thermostat and zoning installation services across Connecticut, including:
Fairfield • Stratford • Trumbull • Shelton • Milford • Monroe • Newtown • Ansonia • Derby • Seymour • Orange • Beacon Falls • Bethany • Oxford—and beyond.
Upgrade to Smart Comfort Today
Don’t settle for outdated controls. Call (203) 555-1234 or click Book Appointment to schedule your thermostat or HVAC zoning installation with A&S Nathan Heating & Cooling LLC today.
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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Amazing customer service that goes above and beyond year over year! We are a longtime customer and A&S has always exceeded our expectations!— Dawn Coppola
Heather was very professional and courteous and made sure everything was done to perfection. ⭐️⭐️⭐️⭐️⭐️— Meaghan Baye
Professional fast and great pricing. Jake and his team do not play around. From top to bottom a great company to work with! Highly recommend— jack videira
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— JCBouton
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The guys at A&S Nathan are always Great! They show up on time and complete the job. I have used them for both a new furnace and a new A/C system. Great company!— Michael
Jake and his crew at A&S Nathan are top notch. I have used them for installs and services on many projects. They are always on time and fix any issue I have, from gas piping, tankle— matthew todice
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I have been a customer of A&S Nathan for several years. Scott always does a great job with my annual oil furnace tune up. Scott always goes above and beyond and patiently answers al— Alessandro Lopes
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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— Sue Marinko
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Couldn’t have asked for a smoother service for a new furnace install.— Sharyn Scully
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— Briget Stronge
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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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