No heatPost created: 2016-03-20 Type of Equipment: Furnace Views: 292
This question was created on the page: https://www.furnacecompare.com/furnaces/trane/xl90.html.
On 2016-03-21 Eric wrote:
according to the owners manual, the easiest thing to check first would be the air filters. If you're filter(s) are clean and the airways are free flowing you could have more serious issues. If that is the case I recommend contacting a licensed contractor to look at it.