Expert Indoor Air Quality Repair in Pasadena
If your air purification system isn’t keeping up, it may be time for indoor air quality repairs from Johnny’s Air Conditioning. A malfunctioning Air Scrubber, air purifier, or ventilation system can allow pollutants, allergens, and odors to build up, reducing your home’s air quality. Our technicians diagnose and fix common issues such as clogged filters, sensor malfunctions, airflow restrictions, and ineffective purification, ensuring your system continues to provide fresh, clean air.

Expert Repairs for Air Scrubbers & Filtration Systems
Common indoor air quality problems we resolve include:
- Air Scrubber malfunctions, reducing its ability to neutralize bacteria and airborne contaminants.
- Clogged or failing air filters that allow dust, pet dander, and allergens to circulate.
- Ventilation blockages preventing fresh air from properly circulating throughout your home.
- Excess humidity or dryness, which can cause mold growth or respiratory discomfort.
If your air feels stale or allergies have worsened, Johnny’s Air Conditioning can restore your system’s effectiveness. Call (626) 794-1187 or visit johnnysac.com to schedule service today.
The Difference Really Is Night & Day
Call (626) 794-1187 for an in-home estimate!
Our Trusted HVAC Partners
With quality products and packages from these trusted, high-quality brands, Johnny's Air Conditioning Services will meet your needs and provide you with the best heating, air conditioning, and indoor air quality solution.




Call us at (626) 794-1187 to schedule a FREE¹ estimate with Pasadena's #1 HVAC Contractor since 1989
¹ Free estimates only for A/C unit replacements and new installations.