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hvac here
make sure you understand that your thermostat setbacks are what save you money. not the thermostat.
too many customers bitch and whine that they dont see any savings after installing a programmable thermostat. well..... sorry buddy. but if you leave it on "permanent hold" or "hold" or "emergency heat" (furnace + HP combo) for 24/7. you are not saving any money.
Second problem ties in where people do not know how to, or are too lazy to adjust their thermostat during different seasons. Hence why they leave it in "hold"
Yes, set your thermostat to turn on an hour before you get home, so that its up to spec by the time you arrive.
Most newer programmable thermostats will do this automatically as a "learning" feature. Just please read the dam manual
And lastly, if you can drop the temperature by a degree, or two, when you are actually home. It makes a large difference for your heating bill. Vice versa for cooling season.
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