Thermostats & HVAC Zoning Installation

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?

  • Better Comfort – Eliminate hot and cold spots by controlling temperatures in different areas of your home.

  • Smart Home Integration – Control your heating and cooling from your phone, tablet, or voice assistant.

  • Energy Savings – Modern thermostats learn your habits and optimize efficiency automatically.

  • Custom Scheduling – Program heating and cooling for your lifestyle.

  • Increased Home Value – Smart HVAC upgrades are attractive features for buyers.

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Our Thermostat & Zoning Services

  • Smart thermostat installation (Nest, ecobee, Honeywell, and more)

  • Wi-Fi thermostat setup and integration with your HVAC system

  • Multi-zone HVAC system installation and zoning panel setup

  • Retrofitting zoning dampers for existing ductwork

  • Troubleshooting and replacing outdated thermostats

 

Why Choose A&S Nathan Heating & Cooling LLC?

  • Licensed & Insured Technicians – Proper installation for seamless performance.

  • Trusted Local Experts – Serving families across Fairfield, New Haven, and surrounding counties.

  • Upfront Pricing – No surprises—just straightforward service.

  • 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Don’t settle for outdated controls.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.

Book an Appointment
5-star rating
I’ve been using A&S Nathan since moving to Stratford, CT. They service my A/C and furnace every year and I have needed them once or twice for a furnace repair.
— Audrey FERRARO
5-star rating
Scott (A&S Technician) is top notch. Efficient and knowledgeable. I recommend you trust them to service your HVAC needs.
— Bill Sweet
5-star rating
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
5-star rating
The oil burner cleaning technicians are terrific. And Hannah in the office was lovely to work with ?
— Jill
5-star rating
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
5-star rating
What a relief to have a company you can call with confidence. When our A/C stopped working on a Saturday (during the recent heat wave, of course) A&S Nathan was there on Sunday. Alt
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— Robert Seirup
5-star rating
These guys absolutely Rock!! They installed a new Weil-McClain boiler today, to replace my 30 year old unit. Workmanship was superb! They were clean, professional and indeed craftsman.
— Jason Dokla
5-star rating
This is a great company. I had a problem with my heat not coming on and would have to hit the reset button.The technician, Craig, was friendly, fast and efficient.
— Tracy Buckley
5-star rating
I just wanted to say is on Friday October 31, 2025 we needed service done on our oil burner. Your technician Mr Craig & I forgot the other gentleman name. They did an awesome job do
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— Abtin Nejad
5-star rating
Big shout out to A&S! Our fujitsu mini split was blowing warm air, called several shops and got the run around or no call backs. A&S was able to send a tech out the next day, TH
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— M Carrello
5-star rating
Great people to deal with! Professional, accommodating, and extremely knowledgeable! Will recommend to my friends and neighbors.
— Mark Doug
5-star rating
We called for a broken air conditioner and they were at our house in no time to fix it. The man who fixed our air conditioner was very friendly and professional. I think his name was Sc
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— Donna Scott