In regards, to info about janitrol (goodman manufacturing products), all furnaces basically have the same components. A furnace is only going to run well with proper installation and proper preventive maintenance after installation. To the emailer with glow coil (ignitor) problem a knowledgeable service technician would thoroughly inspect your unit for short cycling. The furnace is igniting much to frequently. There are far to many regulations to go through to be putting out inferior products. Other name brand dealers receive product incentives for their installing of such brands. Goodman manufacturing lets their product speak for itself and inturn gives price breaks to the customer not the dealer.