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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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

Allergies and Asthma on Long Island

Asthma? Allergies? A Home Performance Upgrade May...

By POWERSMITH | Published: December 10th, 2013 Cold weather is upon us on Long Island. As we gear up for winter, when we'll all be spending more time in our homes, it's a good... more

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What our customers are saying

Valerie & Eddie St Bernard Powersmith Testimonial

The house is much warmer than it was... We haven't needed to put the heat on yet! 

Valerie & Eddie St Bernard, Deer Park, NY