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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 …

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How a Spring HVAC Tune-Up Can Lower Your Energy Bills

How to Lower Energy Bills

We’ve seen firsthand how a properly maintained HVAC system can cut monthly utility costs, extend equipment life, and keep your home comfortable year-round. As temperatures start to rise in St. Louis, so does the demand on your HVAC system. But before your air conditioner kicks into full gear, now is the perfect time for a …

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Why Spring Is the Best Time to Schedule Your AC Tune-Up in St. Charles

AC Maintenance St. Charles

The best time to schedule your AC tune-up is before you need your cooling system. Call today to schedule an appointment. As St. Charles residents know all too well, Missouri summers can be brutally hot and humid. When those scorching days arrive, the last thing you want is for your air conditioning system to fail. …

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Why Is My Furnace Blowing Cold Air? Common Causes & Fixes

Heater Not Working

At Thomas Hoffmann Air Conditioning & Heating, we’ve seen it all. Contact us today by calling (314) 471-7625 or using our contact form. There’s nothing worse than waking up on a cold Missouri morning, cranking up the thermostat, and feeling cold air blowing from your vents. If your furnace is supposed to be keeping your …

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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 …

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Top 5 Signs Your AC Needs Repairs Before Spring Hits

AC Repair Services

Don’t wait until the first heatwave to find out your AC isn’t working correctly. Call us today to schedule your pre-spring AC tune-up. Spring in St. Louis can bring fluctuating temperatures, and before the summer heat kicks in, your air conditioning system needs to be in top shape. The last thing you want is for …

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