Powersmith is Long Island's #1 Home Performance Company

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Save up to 40% on your energy bills when you convert your heating oil system to natural gas!

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No upfront cost efficiency upgrades for Long Islanders

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Award Winning Leader in Energy Efficiency
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Guaranteed Home Energy Savings!

Thanks to modern building science, you no longer have to turn the thermostat down to save money on your oil bills. For maximum energy efficiency and comfort, your home should be properly sealed and insulated, with all heating and air conditioning systems working properly.

Awards

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US DOE Housing Innovator Award and Recognition Powersmith

2013 U.S. Department of Energy Housing Innovation Award

Powersmith Home Energy Solutions was one of four companies in the... more

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Mini-Splits: Your Solution for Staying Cool this...

By POWERSMITH | Published: June 4th, 2014 After an excruciatingly long winter on Long Island, we welcome the longer days and warmer temps of June. With the change of seasons comes... more

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What our customers are saying

Kim Valente Powersmith Testimonial

When I open my front door I feel a vacum. I can actually feel that my house is sealed now... I recommend Powersmith to all my family and friends!

Kim Valente, West Babylon, NY