Do the fan speeds need to be adjusted when installing central air to lennox furnace g26q3 75
Quote: Originally Posted by BURCK4 DO THE FAN SPEEDS NEED TO BE ADJUSTED WHEN INSTALLING CENTRAL AIR TO lennox furnace g26q3 75 Usually the fan speed is factory set on most units. It will blow a bit more in the A/C mode. Ask your contractor to check it for you.