Breathe Cleaner Air With 10% OFF Duct Cleaning, Aeroseal & Complete line of UV Air Purification Systems One Hour Air Conditioning & Heating® of Houston Service fee may apply. Valid at participating locations. Limit one coupon per household. Coupon must be presented at time of purchase. Cannot be combined with any other offers or discounts. Some restrictions, taxes and fees may apply Expires Jul 1, 2023