The Mass Save Online Store will be down for maintenance on October 24th starting at 9:00am ET. We apologize for the inconvenience.

Wireless Enabled

If you have reached the purchase limit for this category you may purchase the same products at full price from the More Products (Non-rebated) category. 

Limit of 3 discounted thermostat products per customer per calendar year. 

To order through this online catalog you must be a residential customer of one of the participating utilities or energy efficiency providers with a delivery address in Massachusetts. MassSave is an initiative sponsored by Massachusetts’ gas and electric utilities and energy efficiency service providers, including Cape Light Compact, Eversource Electric, National Grid Electric, Unitil Electric, Berkshire Gas Company, Blackstone Gas Company, Columbia Gas of Massachusetts, Eversource, Liberty Utilities, National Grid, and Unitil. The sponsors of Mass Save work closely with the Massachusetts Department of Energy Resources to provide a wide range of services, incentives, trainings, and information promoting energy efficiency that help residents and businesses manage energy use and related costs.