I had a new boiler and wireless thermostat (Honeywell) fitted in August. I've become increasingly convinced that the thermostat is set high. I have set the daytime temperature to go off at 20 degrees. When the heating comes on at 0630h (from a 14 degrees overnight setting so it's effectively off all night) the stat is still reading 19 after a coolish night. It rises to 21 and stays there for quite a while still calling for heat. It does eventually switch off the heat. Are these devices calibrated in a certain way as mine seems to love 21 degrees and is reluctant to let go? I also doubt that the temperature this morning is anything like 19 degrees in the hall, which feels cool to me.
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New wireless thermostat reads high
- Thread starter Vicario
- Start date
You can adjust the temperature offset depending on what model you have. Is it sited in a warm place such as in sunlight, near a lamp, rad or tv? I adjusted mine so that it 'gelt' right. Check it with another thermometer. https://www.diynot.com/diy/threads/honeywell-dt90e-thermostat-setting-up-help-needed.217838/
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