Simple HVAC installation and management
30% More Efficient
Standard 120V Outlet
Mobile App Control
No Plumbing Required
No Electrical Upgrades
Reduces Carbon Emissions
For Business
Innovative comfort for sustainable buildings
It's time for better buildings. Fast-track compliance with carbon emissions reduction mandates.
Upgrade Your BuildingOur Products
Your decarbonization solution
Accelerate your journey to a greener future by electrifying with Gradient window heat pumps.
Compare Our ProductsIn The Press
Revolutionizing building electrification
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Read More“Gradient designed its device to work like a more expensive heat pump”
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Read More“Electrifying apartment buildings is tough. A new heat pump design could make it easier.”
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Read More“A window heat pump project is bringing cutting-edge climate tech to New York public housing”
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Read More“This little heat pump could be the answer to a lot of prayers.”
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Read More“Gradient has designed a heat pump that easily slides over a windowsill — it doesn’t block light — and currently uses a refrigerant called R32”
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Read More“Unlike more traditional heat pumps, these new window units can essentially just sit in your window sill.”
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Read More“Gradient is betting on heat pumps’ potential to decarbonise domestic cooling with high efficiency but low cost.”
Customer insights
See what people have to say about Gradient.
The Gradient Advantage
Your decarbonization solution
Accelerate your journey to a greener future by electrifying with Gradient window heat pumps.
The Gradient Advantage
Seamless setup, superior performance
Gradient's advanced heat pump technology combines professional-grade performance with straightforward setup. Enjoy seamless integration without the typical hassles of installation.
Optimize space, enhance value
Gradient's sleek design preserves the natural light and view, enhancing both functionality and appeal.
Room-by-room, precision-engineered comfort
Our innovative design enables precise individual climate control for each room, ensuring tailored comfort and energy efficiency year-round.
More than a heating and cooling solution
As your trusted partner, we’re focused on providing smart HVAC solutions that simplify operations and optimize your property’s performance.
The Gradient Story
A better climate for you means better climate for all
Our mission is to push the industry toward zero carbon. That’s why we’ve eliminated harsh refrigerants and cut greenhouse gas emissions by up to 95%. Learn why Gradient window heat pumps propose the right solution for you and the climate.
Local Law 97 is Coming to New York City–Here’s What It Means & How You Can Avoid Fines.
In New York City, the skyline and regulations are changing. Local Law 97 demands reduced emissions and cleaner energy use in buildings. Learn how Gradient's innovative HVAC technology aids in meeting emission targets while ensuring sustainability.
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The coolest job in the world: Why our CEO co-founded an HVAC company
Gradient's CEO, Vince Romanin — who spent his childhood in Ohio tinkering with motorcycle engines and model rockets — fell in love with… HVAC? That’s right. Our CEO is an HVAC fanatic. A self-described thermo-nerd.
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What to consider when looking for efficient HVAC solutions
Though electricians and other contractors are not required for installing Gradient window heat pumps, upgrading HVAC systems usually necessitates visits from several contractors. So who should you call first?
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Controlled, customizable comfort at your finger tips
