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MY WHITE ROGERS THERMOSTAT DOES NOT HOLD THE TEMPERATURE AS DIRECTED. I COME HOME FROM WORK AND TEMP. IS 5-8 DEGREES BELOWW SETTING . I TURN IT OFF AND BACK ON AND IT WORKS FINE. THIS DOES NOT HAPPEN EVERY DAY. BY THE WAY MY THERMOSTAT IS HEAT AND A/C BUT ONLY SINGLE SETTING . NOT PROGRAMABLE

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Your post didn't mention the Tstat model, if it is new or existing, what if anything might have changed near the tstat (new appliance, ceiling fan in the area) and so on. If it's new and wired correctly and the old one worked fine in the exact same mounting location, then it could be as simple as a defective tstat. If it's existing it could still be defective. On simple systems the tstat control lead for cooling turns on the condensing unit outside and the air handler inside, while the heat control lead on a non-heat pump unit turns on the air handler and heat strip. Newer systems split up the inside and outside units and control them separately to be more efficient. I don't know if you're having an issue with the heat or cool mode. If it's not the tstat then you will likely need to have a trained professional evaluate your system for system issues. Home depot carries Honeywell which Trane uses in their residential systems. Smart tstats are appearing now and while they have their advantages, putting one in an old system would be like putting a new Porsche engine in an old car with the original legacy transmission, so to speak.

Posted on Dec 06, 2014

Testimonial: "The furnace is relatively new 80%as well as the a/c system. The thermostat was installed when the system was installed. The problem has just started and it is December heating season in Michigan. also I have replaced the battery and it still happens."

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1 Answer

My thermostat show 74 degrees as a current room temp...but we have it set at 70 and it's probably 65 in the house. ..the only way it will turn on is if I put it 74 or 75????


The old white-rogers thermostats with a mercury switch are adjustable. snap the face off. In the center you will find a plastic slot screw. set the indicator to the actual room temp.
Other type ? Replace the thermostat

Mar 01, 2015 | Heating & Cooling

1 Answer

Trying to set temp on honeywell t-stat


I believe what your experiencing is the 75 degrees is the hold temp position...the display then reverts back to the actual room temperature...it doesn't mean the set temperature changed back to 65 degrees. Try to reprogram the thermostat schedules, and try not to use the hold function...just the temporary hold. (which is bumping the programmed temperature up or down until the next programmed period)

Dec 09, 2013 | Honeywell Programmable Thermostat Heater

1 Answer

I have never used central ac before - how do I set it? If it is on 75 will that cool the house? If I want it cooler, do I put it lower? like 65?


As to your question 'will 75 cool the house?' The answer is 'yes' - if the outside temperature is low enough. Typically speaking you can expect your central AC to cool a properly insulated house to a down to a temperature of about 20-25 degrees lower than the outside temperature. For example - if the outside temp is 95 degrees. You could expect to get your house down to 70-75 degrees. If the outside temp is 110 degrees then you could only expect to get the house to 85 or 90 degrees.

So .. as you can see - your 'inside' temp will be directly affected by the 'outside' temperature.

As to the operation of central air; it is very simple.

I would suggest that you not pay 'too much attention' to what you have the thermostat set on. A comfortable temperature - is a personal thing - so - I would set it somewhere - say 72 and see how I (and others in the house) was handling that setting.

If you want it 'cooler' just 'notch' it down a degree or two - if you need it a little warmer - turn it up a degree or two. Do this "fine adjusting" till you have the temperature setting you are comfortable with.

Usually the more you can leave your thermostat alone the better off you will be from a comfort position and an electrical useage standpoint. Obviously, the higher you have your thermostat set the 'less' it will cost you on your electric bill.

How high you set the temperature is a balance you have to come to based on how comfortable you want to be - matched with how much you want to hold down the electric bill.

hope this helps

Aug 14, 2010 | Honeywell Heating & Cooling

1 Answer

We have a White and Rogers programable thermostat (I think that it is an 80 series) We can not find the instructions and I need to check the program. Where can I find directions? If I set a temp. and...


check this link : Don't Know Your Model Number?
after you verify the model number check our website
put the model number on the White-Rodgers Model Number Search/Cross Reference then click submit this will lead you the way on how to secure a soft copy of the instruction manual. If you having difficulty you can call hometechline 18002842925.

Aug 10, 2010 | White Rodgers White-Rodgers 1F85RF-275...

2 Answers

Thermostat resets itself to 85 degrees a couple hours after I set it to 74 degrees


To manually operate the thermostat set the system to cool and fan to auto then press the HOLD button one time then release, you will see the hold word on the screen after that up the UP or DOWN arrows is setting the desired temperature.

Jul 22, 2010 | White Rodgers White-Rodgers 1F85RF-275...

2 Answers

My white-rogers 1F81-261 model thermostat keeps rgoing back to a 62 degree setting after the furnace kicks on at a setting of 72 degrees. I have reset the program, but that doesen't seem to help. What can...


MANUAL OPERATION
• HOLD TEMPERATURE — With the SYSTEM switch set to
HEAT or COOL, momentarily press HOLD button. HOLD
will be displayed. Use UP or DOWN to adjust the temperature.
The thermostat will hold the room temperature at the
selected setting until you press RUN button to return to
program operation.
This is on page 6 of the manual
Link: Installation Instruction

Feb 06, 2010 | White Rodgers White-Rodgers 1F85RF-275...

1 Answer

When this thermostat is in the HOLD position, which cancels the programmed feature, I set the temperature to 72 degrees and the furnace runs until that 72 degree temperature is obtained. Now the thermostat...


If you still have the instructions for the thermostat, then it will show you how to get into the menu and set the swing on the temps. I would try to explain off the top of my head, but its actually quite a bit off numbers to remember. Hope it helps somehow.

Dec 29, 2009 | Honeywell Focus 6300B 5-2 Days...

1 Answer

Thermostat sensor is not reading correctly


No you need to change your t,stat. Go to home depot or Lowes and get one easy to install Any problems please get back to me I will walk you thru. Rus

Oct 29, 2009 | Honeywell Electronic Programmable...

1 Answer

Cannot set heat setting by using "hold" feature


make sure it is not telling you room temp, some of the Honeywells, will display room temp over desired temp. check that, if it wont let you switch temp than buy a new one, if you dont have a heat pump a new cheap stat is around 20.00.

Dec 31, 2008 | Honeywell Programmable Thermostat Heater

1 Answer

Honeywell Digital Thermostat won't click on if temp is below 59


do you live there? if so here are the rules for setting back temperature: do not lower the temperature more than 8 degrees F from the temperature you want it when your there, setting it back for periods of less than eight hours is also somewhat futile. Due to laws of thermo-dynamics the heat required to recover from more extreme setbacks or shorter periods of time exceeds the savings acquired by taking said action. As to your question directly there are no reasons why your thermostat should not function at any setpoint temperature that it is allowed to set to (45 normally being the lowest) if it does not function below 58 degrees it has a failure and should be replaced before it fails completely. Suggest a Robertshaw or Braeburn brand thermostat, Honeywell quality has slipped over the past decade to unacceptable levels. Unless your considering a Hunter in which case buy another Honeywell.

Dec 17, 2008 | Honeywell Programmable Thermostat Heater

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