We have a Lennox HVAC, electric. Probably at least 25 years old. We were having a problem when using the electric heat with breakers popping off. We had the unit looked at. The repair guy said we needed a bigger breaker which we installed. The heat worked fine. When we switched to A/C the fan...

I own a Lennox Elite 10 purchased in 1996. In the last four years I have had four technicians out five different times to find a freon leak. They are unable to find the leak & the remedy has always been to put freon in. This year a different technician said he had a new product that should plug the...

My old lennox thermostat has 8 letters o-g-y1-r-l-t-c-w1-.my new honeywell thermostat has 9 locations lettered rc-r-o/b-y-g-c-l-e-aux.where do i put the l wire from the old lennox thermostat?

My central heat and air is making a loud rumble when turned on. It is the inside unit, not outside the house. The lights flashing say the limit control may be open when these lights are flashing, but I am not sure what that is. I think it is the bearings, but am unable to oil, and am not very...