Thomas Hoffmann Air Conditioning & Heating 
Is your HVAC system making loud or strange noises? What strange HVAC sounds mean and when to call a St. Louis expert. If your HVAC system is making more noise than usual, it’s trying to tell you something—and it’s not just complaining about the St. Louis humidity. Whether it’s a rattle, hum, bang, or buzz, …
Most people focus on the HVAC unit for efficiently heating and cooling their homes. They often consider its age, whether it’s due for maintenance, or whether it’s time for a replacement. However, your thermostat’s location is one frequently overlooked factor that can quietly impact your home’s comfort and energy bills. Yes, the spot where your …
Get your AC ready for the St. Louis summer with these 7 expert pre-season tips. Improve efficiency, lower energy bills, and prevent breakdowns. As any St. Louis resident knows, summer in the Midwest isn’t just hot—it’s humid, relentless, and unpredictable. Your air conditioner becomes more than a luxury; it’s essential to your daily comfort and …
As summer heat hits hard across Missouri, homeowners look for quick, affordable cooling solutions. They often land on small windows or portable units labeled “5000 BTU.” But what does that actually mean? At Thomas Hoffmann Air Conditioning & Heating, we always get this question: “Is a 5000 BTU AC enough to cool my room?” What …
Don’t let something as simple as a dirty air filter reduce your comfort or drive up your bills. Call us today to keep your HVAC system clean. Changing the air filter is one of the simplest yet most important maintenance tasks for your home’s HVAC system. But despite how easy it is, it’s also one of the …
Seasonal allergies in St. Louis? Your HVAC system might be making symptoms worse. Learn the signs and how to improve indoor air. A poorly maintained or outdated HVAC system can circulate dust, pollen, pet dander, mold spores, and other airborne allergens throughout your home. In this post, we’ll walk through the key signs that your …