MassSave has $200 off the following thermostats between 11/22-11/27:
Honeywell Wi-Fi 9000 & Honeywell Lyric - originally $150, now $50
ecobee4 - originally $250, now $50
Nest (3rd Gen) - originally $250, now $100
To take advantage, you will need to be an Eversource electricity customor or National Grid gas/electricity customer living in Massachusetts. Have your account #s ready and sign up here:
After creating an account, you can go to the store here:
and add any of the above four thermostats to your cart; limit one per customer. Your cart subtotal should reflect the discount.