Called Rainbow two weeks ago when the blower motor went out on my 40 year old (but still good) Lennox gas furnace. Other HVAC companies told me, without even looking at it, that they would likely have to replace the furnace due to the age. Rainbow worked within our available time constraints and came out, examined the unit thoroughly and determined that the burners were still fine and it just needed the blower motor. They gave me the option of waiting several days to order in genuine Lennox or g