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  • Troubleshooting and replacing outdated thermostats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Don’t settle for outdated controls.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
A&S Nathan is a small local company that provides great service for all your HVAC needs. They are professional, responsive, they don’t cut corners, but most of all are a pleasure
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— carl iacomacci
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Had both ac units replaced and the guys did a great job and were extremely clean .
— Tony Ministro
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Just had technician Mark come to service the AC unit. He was very professional and polite, answered all my questions about the unit and life span of my old central air unit. Would recom
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— Paul Pilkington
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We called A&S Nathan Heating & Cooling LLC after-hours and they contacted us back within minutes to help us with our issue Their staff is very professional, friendly, and helpfu
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— Larry Bartlett
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A big shout out to the ladies in the office that have been super responsive and so polite! Great people to work with.
— Jaime Boucher
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We have used A&S Nathan for years to service our oil burner and our air condition. They also installed a ductless AC in our first floor which we love. We decided to update our heat
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— Laurel Sorrentino
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The few times we have had problems with our AC or water heater we have had quick and effective responses with problems usually resolved within 24 hours or less! All workers who have com
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— Dena Skowronski
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Service call yesterday morning, excellent service, exactly why I chose them to install my new furnace a few years ago, ??? Thank You for meeting my expectations!
— gary lanzaro
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Shout out to A&S Nathan Heating and Cooling. Today we discovered our water heater sprung a leak (water everywhere) Called A&S first thing this morning and they were able to come
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— Deb Tiriolo
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Wes and Scott were here to do our A/C and they were friendly and did an excellent job. Highly recommend this company
— J H2
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A&S Nathan has been great in the past servicing my Boiler, but this was the first time for my AC split system. Scott the service technician had and impressive knowledge of my AC uni
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— Doug Walz
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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
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— Victoria Kondor