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Aaron, That's a bit of a trick question since the thermostat temperature is just one part of energy costs. You can ask your electric company if they do a free energy study for your home with recommendations on how to save on energy costs. We had that done years ago and it was surprising what they recommended and how many things there are that can be done besides watching the temperature.
Kevin J. May
Hobe Sound, FL
WEll the closer it is set to the outside temp, the less your furnace will run
I don't think we are the right people to ask...you should try experts. All that aside, I think it depends season and outdoor vs indoor temperature.
And, to save, use fans in summer, make sure place well insulated and use timers.
In general, in winter, it will save costs if temp is lower, but it will be less comfortable and vice versa in summer.
I would test to see what's comfortable to YOU.
Tony and Suzanne Marri...
I prefer comfortable. When I am on vacation I turn the thermostat down but have a family member check the house periodically or after storms.
here in Florida we keep vacant homes at 79, just enough to keep the air moving so not to cause mold.
What does your local utility company have to say? We can also save energy in our area by running appliances such as the dishwasher, washer and dryer at off hours (before 9 am, after 6 pm). Diana Zaccaro has a great suggestion about an energy audit
You don't want it so low that the pipes freeze!
You need to check with different providers for their suggestions.
Thermostat on air conditioner = 68-70 degrees
Thermostat on hot water heater = 170 - 180 degrees
I know, that is not energy efficient, but those are the preferences for my wife!
The real answer is 78 degrees for the air conditioner, 120 for the water heater.
The answer is in your question.
A number of factors any babies, sick, people with poor circulation? During Carter days he was the one puts on a sweater and mandate it was set at 65 deg F in all government offices. You turn it low at night. Activate it only when you are at home. I have blogged at least 5 times on how to save energy and got an interested people ask my opinion on solar. No, I do not have solar and unlikely to have it since it has been very low all these years. I designed the home and have energy conservation built in.
It depends, but I believe a range between 70 degrees to 75 degrees should be comfortable to the large population.
Set it 2 degrees above your most comfrotable cooling temp and 2 degrees under your most comfortable heat setting and you will save money.
Set it higher in summer and lower in the winter. It'll all depend on how much clothing you're willing to put on during the latter and how much you can take off during the former.
Aaron Mtuanwi I believe DOE recommends 78 degrees during the Summer and 68 degrees in the Winter months.
ditto to what Diana Zaccaro stated.... good stuff....
This is a matter of personal preference. Older people often want a warmer home. Heavy folks like it cooler.
68 degrees during the winter may be a good idea for savings but not comfortable for some of the occupants.
If saving energy costs is your primary concern, turn the unit off. LOL There are a number of ways to save energy costs in addition to the thermostat control... like turning the temperature of your water heater temperature down, using your dryer efficiently, grilling more instead of using the stove/cooktop... etc, etc, etc.
There are numerous factors involved. If different providers are providing you with different suggestions, then there is not likely one best answer.
I don't know. I set my thermostat at what's comfortable to me.
well that depends on if the heat or air is on.... But in the end my setting isn't about saving, it's about my comfort
Aaron Mtuanwi - I'd rather feel comfortable myself first and then think of saving on energy bills....lol!
During the winter we keep the heat at 60
Summer we keep the AC at 82
I set mine on 72
68 in winter - 74 in summer
I do not know.
Depends on the climate but normally I just set it to one temperature.
78 during the day
Nothing at night
I would check with your local provider. A
68 and keep it there
I keep mine at 66 in the winter, and wear layers, seems to save $$.
In Florida, 80 and humidistat at 60%
Depends where you are I guess - I prefer 78-80 in summer in Florida with ceiling fans on
For Florida in the summer, I would suggest something below 77 degrees. But, the best is a humidistat which can be set for under 65% which will keep mold from forming.
Debbie Gartner nailed this one!
Not sure. Most set it to their comfort level and not all agree!
Lots of good responses already. My family wants comfort more than energy cost savings, so it is often a struggle.
I tend to keep my heat at 70 , 67 at night and for AC from 70-72
70 is too low for AC that's for sure. I think it depends on your area. 68 degs for heat in my area is just my threshod for freezing to death.
I would keep it in the low 70s.