Just Air is fast! reliable, and easy to work with. They will not try to sell you a new unit for every little problem but will go through what happened and make a recommendation. I chose to go with the quick fix, and they still let me know that if I wanted the new unit I could apply the money spent for the quick fix to the new unit, if I purchased within 30 days. Once we decided to replace the entire unit, they replaced it within 12 hours.