Trane Products We Are Your St. Louis and St. Charles County, MO Trane Comfort Specialists $35 Off Repair Not valid on diagnostic charge. Coupon must be presented at time of service to be eligible. Call Averill Heating & Air Conditioning for complete details. (314) 328-0437 Expires on: 05/31/2020 Click to Open in Print View Read Our Recent Blog Posts 4 Smells and Sounds That Signal You Need a Heating System Repair Top 6 Factors That Affect Furnace Efficiency Beware! These Noises Coming From Your Furnace Mean Trouble!