Thomas Hoffmann Air Conditioning & Heating 
AC running but blowing warm air? A St. Louis HVAC company explains the 6 most common causes, what you can check yourself, and when to call the pros. Few things are more frustrating than an air conditioner that runs all day but blows warm air, especially in the middle of a St. Louis summer, when …
Is your 12+-year-old AC worth fixing? A St. Louis Master HVAC Engineer explains when repair makes sense and when replacement saves money. Your air conditioner is 12 years old; it just quit in the middle of a St. Louis heat wave, and the repair quote made you wince. Now you are facing the question every …
Repair or replace your furnace? A St. Louis homeowner’s guide to age, cost & the 50% rule. Honest, locally owned advice. Call (314) 471-7625. When your furnace starts acting up in the middle of a St. Louis winter, one question comes up fast: should you repair it or replace it? It’s an important decision — …
Need HVAC repair or replacement in Chesterfield, MO? Locally owned St. Louis AC & furnace experts. Fast scheduling. Call (314) 471-7625. When your air conditioning quits on a humid August afternoon, or your furnace won’t fire up during a cold Missouri snap, you need an HVAC company that knows Chesterfield homes and shows up when …
If your AC is working but your home still feels warm and sticky, you’re not imagining it. When the St. Louis heat sets in, there’s nothing more frustrating than an air conditioner that’s clearly running — you can hear it, you can feel air moving — but the house just won’t cool down. If your …
Call Thomas Hoffmann Air Conditioning & Heating or request service online — your trusted, locally owned St. Louis HVAC team. When a St. Louis summer hits and your air conditioner is running but the house just won’t cool down, it’s frustrating — and it usually means something specific is wrong. The good news is that …