Hi, I have a Lennox Elite Series HS29-030-1P air conditioning unit and the compressor will not start. You will hear a buzzing sound then it stops, it about a minute it tries again then stops. What are the best ways to test the starter cap and the compressor to isolate the problem. The starter...

Hi, My Furnace fan started this morning and is now on for the whole time. I tried switching off-on the Furnace mains but as soon as I start the furnace again, the fan starts. I have just switched off the home Thermostat that controls the overall heat in the house (its in my passage) and now the...

I have a 2004 Lennox model # G40DF-48C. My small lower blower motor will kick on for about 4 or 5 seconds then shuts down. Everything will work fine with the a/c on, only have problem with heat. Both red and green lights are alternating a fast flash. Is this the ignitor or do you have any other...

I have a Lennox G40 Series furnace that keeps blowing the 5 amp fuse on the circuit board. Unit will come on, burners will ignite, blower comes on & 5 min later, "pop". I've replaced the programmable thermostat to no avail. Put the old original thermostat back on that didn't work either. However...

Our touch screen thermostat is very loud when it shuts on and off. I know this is due to the electrical relay but I am wondering if a different model would be quieter.