Thomas Hoffmann Air Conditioning & Heating 
St. Louis summers are brutal on air conditioners and not just because of the heat. Learn why humidity, heat index, and long cooling seasons push AC systems hard. Ask any HVAC technician who has worked in multiple cities, and they’ll tell you the same thing: St. Louis is a tough market for air conditioning equipment. …
Considering a heat pump for your St. Louis home? Learn about the cost and how effective they are in a St. Louis home. Heat pumps have become one of the most talked-about options in home comfort — and for good reason. They’re efficient, versatile, and capable of handling both heating and cooling with a single …
Wondering how long your HVAC system should last? Learn the average lifespan of AC units, furnaces, and heat pumps, and the signs it’s time to replace. Your HVAC system quietly keeps your home comfortable through sweltering St. Louis summers and bitter Midwest winters. But like any major piece of equipment, it won’t run forever. Knowing …
AC running but not cooling your home? Learn the most common causes, troubleshooting tips, and when to call for AC repair in St. Louis. When your air conditioner is running, but your home still feels warm, it can be frustrating—especially during the hot, humid St. Louis summer. You may hear the system operating and feel air coming …
Trane heat pumps provide both heating and cooling from a single outdoor unit, making them an efficient choice for St. Louis homeowners. But when a heat pump stops working properly — especially in heating mode — diagnosing the problem requires understanding how heat pumps work differently from conventional furnaces and air conditioners. This guide covers …
Short cycling — when your Trane furnace turns on, runs for a few minutes, shuts off, and then starts the cycle again — is one of the most common and damaging furnace problems. The furnace never completes a full heating cycle, your home stays cold, and the repeated starts put excessive wear on the heat …