24/7 Emergency Service (314) 471-7625

5 Signs It’s Time to Replace Your Air Filter

Indoor Air Quality St. Louis

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 …

Read more

Top Indoor Air Quality Solutions for St. Louis Families with Allergies

St. Louis HVAC near me

For many St. Louis families, seasonal allergies aren’t limited to the outdoors. Pollen, pet dander, dust mites, and other airborne particles often make their way inside — and once they do, they tend to linger. If you’re sneezing indoors or dealing with itchy eyes and congestion long after you’ve come inside, your home’s indoor air …

Read more

What to Do Before Calling for Emergency HVAC Service in St. Charles

St. Louis AC Repair

An unexpected heating or cooling issue can cause significant discomfort, especially during a cold snap or heatwave. For homeowners in St. Charles, knowing what steps to take before calling for emergency HVAC service can help reduce stress, avoid unnecessary costs, and even restore system performance in some cases. Below are key things you can check …

Read more

How Often Should You Service Your HVAC System?

HVAC Maintenance St. Louis

Proper maintenance saves money, extends system life, and ensures your family’s comfort and safety. If you’re like most homeowners, your HVAC system probably isn’t something you think about very often – at least not until something goes wrong. But just like your car needs regular oil changes, your home’s heating and cooling system requires routine …

Read more

Heat Pump Maintenance – Tips to Keep Your System Running Efficiently

Heat Pump Maintenance and Repair

At Thomas Hoffmann Air Conditioning & Heating, we specialize in heat pump maintenance, repair, and installation for homeowners across St. Louis and surrounding areas. A heat pump is one of the most energy-efficient ways to heat and cool your home year-round. However, regular maintenance is essential to keep it running at peak performance. Whether you …

Read more

How Often Should You Replace Your HVAC Filter?

When Should You Change Air Filters

Keeping your HVAC filter clean and up to date is a small step that can make a big difference in your home’s comfort, efficiency, and air quality. Your HVAC system plays a vital role in keeping your home comfortable year-round. One small but incredibly important component of your system is the air filter. It may …

Read more