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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

Anna P.
2 weeks 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.
2 weeks 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!
Christian H.
4 weeks ago
The team at Sustainable Heating did an excellent job diagnosing our 30-year-old heating and cooling system and confirming that it was time for a replacement. They were incredibly responsive and had no problem coming out on very short notice to inspect everything.

The installation of the new system was seamless. The crew worked all day in freezing temperatures and completed the project efficiently and professionally. We really appreciated their hard work and dedication. Highly recommend!
Response from the owner:Thank you, Chris, for your kind words! We're glad to hear that our team was responsive and that the installation went smoothly despite the cold. Your appreciation for their hard work and dedication means a lot to us. Thank you for your recommendation!
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

Another Rye homeowner is ready for winter thanks to Sustainable Heating & Cooling, where we specialize in high-efficiency gas furnaces built for comfort, safety, and long-term savings. In this project, we replaced an outdated 80% efficient gas furnace with a modern 96% AFUE two-stage system, giving the customer cleaner heat, quieter performance, and lower energy…

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 reliable way to keep the space comfortable year-round, without connecting to the home’s existing HVAC system. They called Sustainable Heating & Cooling to design a solution featuring a single-zone heat pump in Harrison that offered flexibility, energy efficiency, and quiet…

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: a full home electrification. This homeowner removed their old steam boiler, upgraded to a combination of ducted and ductless heat pumps, and even…

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.