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Smart Comfort Consultation

We listen, evaluate, and recommend the optimal system based on your needs, budget, and available incentives.

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Custom System Design

Your system, properly sized and intentionally engineered.

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Precision Installation

Installed to specification and tuned for performance.

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On-Going Optimization

Twice a year checkups to help keep your system running at its best.

Our HVAC Reviews

Read What HVAC Customers Are Saying

R. K.
9 hours ago
I had my furnace replaced two years ago by Dillon and Dominick from Sustainable Heating and Air Conditioning, and they did such a great job that I recently used them again to replace my water heater.

They were originally recommended through the Nextdoor app, and after reading the Google reviews, I can confidently say they were absolutely on point.

Dillon and his crew were very professional, answered all of our questions, and took the time to explain everything clearly. They also left the area spotless after completing the work.

We’re truly happy with the Daikin HVAC system they installed, the quality of their work, and their very reasonable pricing.

I’m so glad we found them and would highly recommend their services!
Roxana & Danny
Photo from customer reviewPhoto from customer reviewPhoto from customer review
Response from the owner:Thank you for the excellent feedback, R.U.! Your recommendation is greatly appreciated as well. It's good to know that our reviews and recommendations online led you to contact us - good to know! We're very gld that you're happy with your new unit.
Anna P.
1 month ago
Response from the owner:Thank you Anna! We really appreciate you for taking the time to leave a review. Your support means a lot!
Kyung K.
1 month ago
Always amazing work and price!
Photo from customer review
Response from the owner:Thank you, Kyung! We truly appreciate your kind words. Your support means a lot to us!
Sustainable Heating & Cooling installation crew proud of their work after installing a boiler.
Sustainable Heating & Cooling installation crew proud of their work after installing a boiler.

About Us

Where Comfort
Meets Efficiency

At Sustainable Heating & Cooling, we design and install high-performance heating and cooling systems built specifically for your home. No shortcuts. No guesswork. Just properly engineered solutions that deliver comfort, efficiency, and long-term reliability.

We specialize in energy-efficient heat pumps, high-efficiency furnaces, boilers, and ductless systems, using real load calculations, thoughtful system design, and manufacturer-approved installation practices. Every system is sized correctly, installed precisely, and verified for performance.

Based in Rye, NY, we serve homeowners who want lower energy costs, better comfort, and systems that are built to last. From first consultation to long-term support, our focus is simple: build it right, optimize it properly, and stand behind our work.

HVAC Maintenance

Sustain & Gain Plan

The Sustain & Gain Plan keeps your heating and cooling systems running their best all year with proactive maintenance, priority service, and member-only savings, all for one simple monthly price.

Sustain & Gain Maintenance Plan

2 Annual Visits

Sustain & Gain Maintenance Plan

Priority Scheduling

Sustain & Gain Maintenance Plan

No-Worry Scheduling

Sustain & Gain Maintenance Plan

Expert Recommendations

Sustain & Gain Maintenance Plan

10% Discount on Repairs

Sustain & Gain Maintenance Plan

Better Comfort & Efficiency

HVAC Financing

Flexible Financing Options

We offer flexible financing options to make upgrading your comfort easy and affordable. Choose from convenient monthly payment plans and get the system you need without the upfront burden.

$199

Precision Tune-Up

First Time Customers Only

Restrictions may apply. Call for more details.

Recent Projects

efficiency that lasts

Oct 21, 2025

High-Efficiency Furnace Replacement in Rye, NY—96% Efficient Two-Stage System Upgrade

Warmth, efficiency, and peace of mind-this Rye home now has it all! recently helped this homeowner prepare for the colder months by replacing an outdated 80% efficient gas furnace with a modern 96% AFUE two‑stage system. The upgrade delivers cleaner, more consistent heat, noticeably quieter operation, and improved energy efficiency throughout the home. With enhanced…

Read More about High-Efficiency Furnace Replacement in Rye NY 96 Efficient Two-Stage System Upgrade.
Oct 16, 2025

Single-Zone Heat Pump Installation in Harrison, NY: Year-Round Comfort for a New Home Addition

When a Harrison, NY, homeowner completed a new addition to their home, they needed a heating and cooling solution that could keep the space comfortable year‑round-without the cost or complexity of tying into the home’s existing HVAC system. They called to design a solution featuring a single-zone heat pump that offered flexibility, energy efficiency, and…

Read More about Single-Zone Heat Pump Installation in Harrison NY Year-Round Comfort for a New Home Addition.
Sep 30, 2025

Heat Pump Installation in Mamaroneck: Full Home Electrification Project

More and more homeowners in Mamaroneck are making the switch to heat pumps, and for good reason. They’re efficient, reliable, and perfect for year-round comfort. One recent project really highlights what’s possible: whole-home electrification. This homeowner removed their old steam boiler, upgraded to a combination of ducted and ductless heat pumps, and even swapped out…

Read More about Heat Pump Installation in Mamaroneck Full Home Electrification Project.
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Equipment you can trust

Mitsubishi Electric Heating & Air Conditioning logo.