HVAC Repair & Installation in St. Louis | Arnold Air and More

If your system is over 10-15 years old, requires frequent repairs, or your energy bills are climbing despite maintenance, a replacement may be more cost-effective. This is especially true for short-cycling units common here, as it often indicates a failing system that can't handle our temperature swings efficiently.

Yes, a stuck reversing valve is a common heat pump problem in our area. If your system is stuck in one mode or you're getting lukewarm air, it's likely a valve or related electrical issue. Our technicians can diagnose and repair this to restore proper function for year-round comfort.

Absolutely. Short cycling, where your system turns on and off too frequently, is often caused by issues like a dirty air filter, incorrect refrigerant charge, or a faulty sensor—all common problems we see locally. We'll pinpoint the exact cause and perform the necessary repair to protect your equipment and improve efficiency.