Solution Check and see if your thermostat is on, and ensure it's set to your desired temperature.
Talk to your HVAC about the lifespan of your system, and start conversation about upgrading if it's necessary...
Solution The damper or in your humidifier must be clear and open for it to regulate moisture levels in your home.
Solution Check your thermostat to make sure it's turned on and set to the temperature you desire.
Solution turn off your HVAC system and locate your breaker.
Solution Your problem might not be with your system, except with your insulation.
Make sure your doors and windows are closed and insulated, to keep the warm air your heating system produces inside your home...
Solution Inspect the area surrounding both your indoor and outdoor units to see if anything is banging against or touching your system.
Solution turn off your system completely and call HVAC technician.
call HVAC technician to diagnose the problem and recommend replacement if necessary...
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