Welcome to the EFI Mass Save Product Offer

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Start saving on ENERGY STAR® certified products through our online store.

DID YOU KNOW?

This online store offers energy efficient lighting, hot water-saving devices, and advanced power strips to eligible Massachusetts customers of participating electric utilities. Free shipping if your order includes $20.00 or more in rebated products!

Customers of participating natural gas utilities may also order energy-saving thermostats and hot water-saving devices through efi.org/masssave2 (If you are already logged in to this store you will need to log in again when you return).

And, remember to visit masssave.com for the latest information on other ENERGY STAR certified products. ENERGY STAR certified appliances and lighting save energy, save money, help conserve our natural resources, and protect our environment.

 

 
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