Powersmith is Long Island's #1 Home Performance Company

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Looking to stay cool this summer? Powersmith is offering $250 off any new Central AC system!

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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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Award Winning Leader in Energy Efficiency
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Oil to Gas Conversions

Powersmith Video Testimonial Compilation

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

Powersmith Blog Heating and Air Conditioning switch to natural gas

Switching from Oil to Gas on Long Island: A Sound...

 By POWERSMITH | Published: February 3rd, 2014 If you’re tired of high heating bills and sending your hard-earned money to overseas dictators and oil companies, you’re in luck. ... more

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What our customers are saying

Michelle Richards Powersmith Testimonial

I noticed a tremendous change in my powerbill. I wasn't burning as much heat as before and noticed a considerable difference. 

Michelle Richards, Wheatley Heights, NY