coils

I hope I'm asking this in the correct area, and that this question is allowed. I'm curious about whether it is possible to clean the evaporator coils that are otherwise unable to be seen. It is a ceiling mounted ACNF Goodman air handler that has the blower mounted/bolted to it, giving no access...

I've got a Rheem Classic 90 Plus furnace, 9 years old. I've been through a week of repairs and it's still not working. Looking for options other than buy a new furnace!! Right now the problem is that it's tripping the limit switch after it runs for 10-11 minutes. Trying to figure out why...

I woke up the other day to a smell and smoke coming out from the kitchen ac vent. I went and check the ac unit and shut it off. I notice that the heat coils are coming on when the ac unit stops. The coils are located on top of the inside unit. I remove the top to look at the coils, I started the...