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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2013 Home Performance with ENERGY STAR Top Contractor Award

2013 Home Performance with ENERGY STAR Top Contractor Award

Powersmith Home Energy Solutions was chosen as the Top Contractor in... more

ductless mini-split heat pump ac heat system wall

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

Herb Bethel Powersmith Video Testimonial

After the first day they left after doing the work I could feel a difference... I had a very good experience with powersmith — I couldn't be happier! 

Herb Bethel, Deer Park, NY