The Powersmith team is walking to support friends and families affected by breast cancer. 

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Making Strides in Long Island

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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Making Strides
Award Winning Leader in Energy Efficiency
Oil to Gas Conversions

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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

home energy efficiency audit powersmith long island blog

5 Ways a Long Island Home Energy Audit Will...

By POWERSMITH | Published: December 5th, 2012 You may have heard about home energy audits before, but maybe you're not quite sure that you need one. After all, your home is... more

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What our customers are saying

Deneka Alexander Powersmith Testimonial

From the very first day, the first person I met was absolutely great. He went through the audit with me and what to expect... Everything was done in one day! 

Deneka Alexander, Wyandanch, NY