My Goodman furnace will light and then go out. This will occur 3 times, then will quit running. The control board blinks 1 time and tells me to Check Gas flow, gas pressure, gas valve, and flame sensor. It seems to have gas going to the valve. Could this be a bad gas valve? Or a bad Flame...

I live in a cape cod style home. I currently have a lennox gas furnace Which is 18 years old and the electronic ignition is going bad. I have been looking at the following: Lennox (80 percent) Carrier, and Goodman. I only plan to stay in the home for 3 to 5 yrs. More. The house is 52 yrs. Old....

I have a older home with a older furnace. I started it up this fall and the blower continues to run after the house has warmed and the themostat has turned off. The blower runs and runs, blowing cool air. To stop it I have to turn off the main switch to the furnace. What do you think the...

Our air conditioning was working fine until last week. Now after it is on several hours the blower quits running. The air conditioner is still running. I shut the whole system off for an hour or so and the blower on the furnace comes back on. We had the relay switch replaced last winter when...

Our furnace heater coil is only 5 yrs old. We have little hot water pressure throughout the house. We have been told the coil element in our tankless system is blocked and we need a replacement coil. It is going to cost at least $650. An option is buying a separate water heater for $1600. We are...