I recently (8 months)had a Fedders Ac System installed with a heat strip, but the heat does not seem to work properly. It blows out cool air and takes for ever to warm the house. The contractor has since moved to Dubai so I cannot get in touch with him. Is there anything I can check myself ?...

I just bought a townhouse, and last weekend the furnace worked fine. Now, all that I get out of the registers is cool air. The furnace ran almost all night, but no warm air at all. What might the problem be?

Yesterday my furnace stopped heating my home. It is 3 years old & I did some minor troubleshooting. The filter is not clogged and the blower is circulating air normally. I checked inside the unit & the ignitor coil is heating and starting the gas jets burning, but they shut off after about 10...

My furnace is a bryant model-cacf030aza 5yrs old, natural gas,forced air the problem is that the air coming out of vents is cool air , we have central air, but we made sure that the thermostat was set to heat. In the furnace we do not see any fire at all. It is on and it blows but the air is cool...

We have a ducane gas furnace that has blown cool air ever since it was installed, which has been for at least 5 years now. The past owner of this house has covered the only cold air return in our living room floor and we have since opened or created a cold air return in the basement for the time...