Why Is My Allergen Testing (dust Mites, Pet Dander, Pollen) Freezing Up? | Alto Pass, IL Fixes

Alto Pass, IL’s #1 Solution for Frozen Allergen Testing (dust mites, pet dander, pollen) Coils

When your indoor air quality testing ices over in Alto Pass, IL’s humidity, Indoor Air Quality Testing Pros follows this proven 5-step repair process:

1. Diagnose root cause (low refrigerant? dirty filter?)
2. Thaw system safely
3. Fix underlying issue
4. Test pressures
5. Prevent future freezing

Common Alto Pass, IL-specific causes we find:

• Oversized units (common in 90s Alto Pass, IL homes)
• Clogged drain lines from local pollen
• Undersized ductwork

❄️ Turn off your system immediately if frozen – running it can cause compressor damage. Call (773) 915-6421 for same-day thaw service in 62905.