High energy bills and emissions from heating and cooling are a persistent problem for commercial buildings. We founded Greenhill to solve this, making it simple and financially attractive for businesses to electrify their HVAC systems, reduce their carbon footprint, and improve comfort.

We've completely reimagined commercial HVAC, which has remained largely unchanged for decades. Gas-fired systems are notoriously inefficient, operating at peak power during the most expensive and dirtiest times. We believe it's time for an update.

Our proprietary heat pumps bring intelligent control to your building's heating and cooling. Greenhill systems dynamically adjust their speed and temperature to use the least amount of energy possible, pre-conditioning spaces before periods of high demand and using power when it’s cheapest and cleanest. This all happens without any sacrifice in comfort.

By electrifying HVAC and optimizing energy use, we help our customers immediately slash their energy bills and emissions. As the power grid continues to adopt more renewable energy, your heating and cooling will become a nearly zero-emission process. It’s the same comfort you've always had, but with a much lower cost and environmental impact.

We work with many types of buildings including big-box retail, warehouses, schools, gyms, offices, and more. Join us in making a difference.

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