Thomas Hoffmann Air Conditioning & Heating 
Understand BTUs and why they affect your HVAC system’s efficiency and comfort. Contact us today for expert sizing advice! Whether upgrading your air conditioner, replacing your furnace, or installing a brand-new HVAC system, you’ve likely come across the term BTU. But what exactly does it mean — and why should homeowners in the St. Louis …
Looking for honest HVAC help with no call center runaround? Contact Thomas Hoffmann Air Conditioning & Heating to schedule a visit. When your furnace goes out in the middle of a cold Missouri night, or your AC stops working during a humid St. Louis summer, the last thing you want is to spend 30 minutes …
If your heater is making you uncomfortable, it’s time to call in the experts. Contact us today to schedule an appointment. When winter temperatures drop and heaters fire up, many people notice an unexpected side effect: a stuffy nose. If you’ve ever wondered why your nasal passages feel clogged the moment your furnace kicks on, …
Learn what HVAC means, how it works, and why it matters for your home’s comfort, energy efficiency, and indoor air quality. If you’ve ever owned a home—or even just rented one—you’ve probably heard the term “HVAC.” But what does it mean? More importantly, how does it impact your home’s comfort, energy efficiency, and air quality? …
Wondering if it’s time to replace your air filter? Here are five signs it might be time to make a change. Contact us today. At Thomas Hoffmann Air Conditioning & Heating, we often remind homeowners that the humble air filter plays a massive role in the overall health of your HVAC system — and your …
Expert heat pump installation & repairs in St. Charles, MO. Improve comfort & efficiency with trusted local HVAC pros. As energy efficiency and year-round comfort become top priorities for homeowners, more residents in St. Charles, MO, are turning to heat pumps as their go-to HVAC solution. These versatile systems provide both heating and cooling, making …