Question about Heating & Cooling
Between last night and this morning, my A/C quite working. When I lower the temp on the thermostat, I can hear noise coming from unit in attic and the unit outside runs, yet no air is coming through vents. I checked the ducts and it all seems connected. While in the attic, the unit makes a hissing sound, like you would hear letting air out of a tank, but nothing else engages. Is there a pilot or something? I need help, its very hot out!!
Check the unit in attic for iced up and outdoor unit you may notice ice on lines or connecting tubing and in attic also-------- if so turn unit off at thermostat and leave fan switch on the thermostat to on while sytem switch is off
should be nothing running but the indoor fan
will have to thaw if it is iced up for a while couple hrs. a guess
you will know when it is thawed as your airflow will begin to come back
check your air filter to be sure it is clean
suggestion only-- keep your house thermostat set at 70 degrees or above
you may have developed a refrigerant leak (freon) which would require a hvac service tech to verify.
if it was iced you can turn all back on and try again once you have good airflow again.
or if your system has not been serviced lately? might be a good time to have it serviced?
Posted on Jun 21, 2009
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Posted on Jan 02, 2017
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