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Troubleshooting and replacing outdated thermostats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.
A&S has been doing my heating and AC for many years now. Awesome and quick service, very professional, everyone knows their stuff! Al & Jake are very knowledgeable with all the— Mike Tecci
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I live in Florida and I needed to have my old heating system replaced in Stratford, Ct. I needed a company that I could trust to do the job. A&S Nathan Heating provided that. They w— Philip Michitsch
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Great installation and service experience.— Shannon Bowley
Very professional and reliable.— Richard Cottrell
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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Needed the furnace serviced before the start of cold season and customer service was great. Called and spoke with a nice woman who explained their pricing and deals (without being pushy— Theresa Hanson
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I’ve been using them for years and recently brought my parents on board. The office staff is courteous and professional. Never an attitude for any reason. They show up in the time— Cynthia Baldelli
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Craig came to service our furnace and he was excellent. He identified an issue we were not aware of, explained it thoroughly and took care of it. We recently moved into our home and the— Ashley Boutagy
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Great company and great tech’s. They are always on time, professional, and clean. Prices are fair and service and communication are great. No brainer…— Allied Design Co LLC
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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Love them!— Margaret Gough
Highly recommend A&S Nathan Heating & Cooling LLC. Hot water tank sprung a leak over night. Called the office when they opened. Toni was a delight to speak with. Friendly and up— Kevin Marron
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