After spending two days reading the manual,that was the size of War and Peace,and a week of trial and error I love it.
GREAT for saving energy. Now are they cost effective yet? Last checked they cost about 2 or 3 times what they saved.
Designed by men.
Awesome. Set and forget. Lets you save money by not running the heater when you don't need to, but it warms the house for your return in the evening.
Yes ma'am, I do. It's pretty easy. It's either a 2-wire, or more likely a 3 wire unit. The furnace schematic will tell you how to wire it.
Have one, set for the heating to come on below a certain temperature. Need to reset it, over riding it a lot lately, cold here in London : (