Welcome to the online offerings through EFI for the residential Massachusetts and Rhode Island customers of the utility companies and energy efficiency providers below. Clicking on the associated links will take you to the appropriate online store through which energy efficiency and resource conservation-related products are offered at discounted prices.


.....MASSACHUSETTS ...
Energy Efficient Lighting
Advanced Power Strips
Programmable Thermostats
 
 

 

 
   
 
   

 
   

.....RHODE ISLAND...
 

Energy Federation Incorporated
Southborough, Massachusetts / 866-807-1317 / customerservice@efi.org