You probably have a packaged unit with a line voltage thermostat which is out of calibration...not an unusual situation. other than replace the stat, why not just use it by just setting where you need to - to get the results you desire? use a regular thermometer placed where you want to control to help you adjust properly.
SOURCE: unit blows cold air instead of warm (burrrr)
FAULTS ARE STORED WITHIN THE CIRCUIT BOARDS MEMORIE TRY UNPLUGGING IT FOR 2 MINUTES AND PLUGGING IT BACK IN
SOURCE: amana ptec unit built into the wall
SOUNDS LIKE YOUR HEAT STRIP IS NOT COMING ON THERE COULD BE A NUMBER OF THINGS TO CAUSE THIS,BAD RELAY ON THE BOARD BAD HIGH HEAT LIMIT,BAD T-STAT
SOURCE: amana furnace
This is no doubt due to failure of the "hot surface ignitor". This device lights the main burners for your furnace, and they fail a lot. I strongly recommend the replacement should be done by a technician.
Ray
SOURCE: my heat pump blows cold air for the first 10 minutes or so
Don't know how long you have had a heat pump but thats the nature of them in colder weather. Some people prefer to switch to "emergency heat" on the t-stat when temps fall below 20 or 25 degrees. This bypasses the heat pump and allows your back-up heat to heat the house. If your house is total electric your emergency heat is an electric furnace and it should handle the load if it was sized properly. Don't leave it on emergency when it warms up because your heat pump is much cheaper to operate than the furnace. As always, check your air filter since it can restrict the amount of air that moves thru the furnace, which is critical. Hope this helps
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