Thomas Hoffmann Air Conditioning & Heating 
Improve indoor air quality during St. Louis allergy season with better HVAC filtration, humidity control, and smart home tips to reduce pollen, dust, and mold. If you live in St. Louis, you already know “allergy season” isn’t just a few weeks. Between spring tree pollen, summer grasses, fall ragweed, and the mold that pops up …
Furnace blowing cold air? Learn the most common causes, what’s normal, and when St. Louis homeowners should call for professional heating help. Few things are more alarming for a St. Louis homeowner than turning on the heat — and feeling cold air coming from the vents. When temperatures drop, your furnace should be delivering steady, …
Not sure whether to repair or replace your AC? This article explains the warning signs and how to make the right choice. For many St. Louis homeowners, few decisions feel as stressful as figuring out whether to repair an aging air conditioner or replace it entirely. When your AC struggles during a Midwest heat wave, …
Our HVAC technicians are available 24/7 to deliver prompt heating repairs that restore comfort quickly. When winter rolls into the St. Louis area, your furnace becomes the unsung hero of your home. But even the best heating systems can struggle—or fail—if they’re not correctly maintained or used wisely. At Thomas Hoffmann Air Conditioning & Heating, …
Available 24/7 for Emergency Heating Services When your furnace stops working during a bitterly cold St. Louis winter, panic can set in fast. Whether it happens in the middle of the night or during a snowstorm, no heat is more than just inconvenient—it can be dangerous. At Thomas Hoffmann Air Conditioning & Heating, we’ve helped …
Protect Your Family’s Health and Comfort in Your St. Louis Home We install whole-home air purification systems that work with your existing HVAC setup to keep your air clean, healthy, and comfortable all winter long. Winter in St. Louis means cozy nights, hot drinks—and unfortunately, stale indoor air. As windows stay shut and furnaces run …