This clever system taps basement temps to cool your home, and now it can heat, too

New York-based Cool Down makes a thermal transfer system that moves naturally cool air from your basement into your living space while sending excess heat back down below to cool homes more efficiently. By dispersing that heat into the ground, Cool Down helps keep homes comfortable during hot summer months and cuts electricity bills in the process.

Cool Down’s system has already been shown to reduce air conditioning use by up to 67% per season by leveraging the consistent temperatures found in basements. With the release of its upgraded Smart Control Unit, the company is adding even more functionality and savings for homeowners across different climates.

The new Smart Control Unit introduces a range of intelligent features that make the system more versatile and user-friendly. Homeowners can now see their estimated energy savings in real time, giving them a clear picture of their return on investment and helping them optimize system performance. A new Basic Heating Mode means the system can now be used in winter to capture and circulate heat from areas with wood or pellet stoves, mini-splits, or rooms with south-facing windows. The addition of a Dehumidification Mode allows your AC or heat pump to dry out basement spaces just like the rest of the house, improving indoor air quality and further reducing cooling costs.

For days when comfort takes priority, Power Boost Mode temporarily ramps up cooling and dehumidification performance. Eco Boost Mode maximizes efficiency by preventing the AC or heat pump from switching on, which is ideal for shoulder seasons or mild climates. And for homes without ductwork, Standalone Mode enables Cool Down to operate as a central cooling system on its own, delivering significant cost savings even if it’s not as powerful as a traditional AC.

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“The Smart Control Unit is about putting more control – and more savings – in the hands of homeowners,” said Damien Semel-DeFeo, founder of Cool Down. “These new modes allow the system to be customized for any home, climate, or energy-use goal.”

Cool Down offers a practical, low-cost alternative or supplement to traditional cooling systems as electricity rates continue to rise nationwide. The system is professionally installed in just a few hours, integrates with or without existing HVAC equipment, and requires no refrigerants, compressors, or external condensers.

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