70 to 72 degrees maximum surely now we are all supposed to be pulling together to save our planet???
I suggest you download the instructions for your type of thermostat. If the thermostat doesn't work per instructions it is obviously faulty.
You could contact Honeywell for advice over such an important matter.
SOURCE: problem with Honeywell RTH230B Thermostat
Sounds like you have it wired wrong.. Pop the top off and give me to color of the wires and tell me which letter each color wire is on.. that will tell us right away if you have it wired wrong
SOURCE: Forced Hot Air Heating system doesn't maintain thermostat setting
It sounds like you may have issues with the furnace. A qualified professional can go over the system and the house to let you know if the system and unit are properly sized. The poor performance of a furnace can be a sign of carbon buildup in the furnace.
Good luck, hope this helps.
Matt
SOURCE: Honeywell RTH2310 thermostat temp variance
Hi,
Yes you can change that by change the number of cycles per hour that your t-stat looks from for youe furnace. Lower the cycles per hour number and it will increase the range.
You can see how to do it here
http://dl.owneriq.net/3/39359643-dfda-451d-bb81-828eecddd9fc.pdf
I hope that this will help you to solve your problem!
Thanks for using Fixya!!
Heatman101
SOURCE: I set the Hold temperature to 78 degrees but the
Is the air coming out of the vents cool? There should be roughtly a 20 degree difference between the air going into the return air vent and the air coming out of the supply vents. If this is close, then it could be a thermostat issue, but check your air filter, make sure that the return air vent is not blocked, and all supply vents are open. If you had to fix any of the above, the indoor coil might be iced up and if that is the case the air flow will be greatly reduced.
Turn off the A/C and let it set for a 24 hour period, or turn it to off and then leave the fan only on, overnight. Then try again, if it's iced again then you will problably need a tech to look at it,
But to me it sounds like an A/C issue.
If this has been helpful, please rate me, and also contact me back with any questions, that you have.
Sincerely,
Paul Gibson
SOURCE: how does one set a Honeywell ultrastat thermostat
Go to honeywell.com
Under red welcome sign
Bottom red highlighted box literature/image search
Type in thermostat model number
Click on arrow to right
Then click on the PDF files owners manual / installation instructions
If you can’t find what you want, the bottom left and bottom of web
Page, they have homeowners assistance and Home products to get the help you need.
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