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.

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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

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

Joe & Yvonne Branch Powersmith Testimonial

They care for your house as if it were their own. And the difference? It's like night and day... Definitely a 10 of a 10! It's unlike another other contractor experience I've ever had before. 

Joe & Yvonne Branch, West Babylon, NY