Powersmith is Long Island's #1 Home Performance Company

Learn More.

Save up to 40% on your energy bills when you convert your heating oil system to natural gas!

Learn More.
Award Winning Leader in Energy Efficiency
Oil to Gas Conversions

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.


place icon here
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

Schedule your FREE home energy audit today!

Service Form

What our customers are saying


The walls are fully insulated, the ceiling is fully insulated. They just did a really good job! 

Bishop Talbert , Wyandanch, NY

Angie's List Powersmith

Home Advisor Powersmith