Indoor Air Quality Systems in San Jose, CA
Concerned about allergens, smoke, or stale indoor air? We install filtration, UV, and ventilation systems for cleaner air.
Indoor Air Quality in San Jose & the Bay Area
Between spring allergies, wildfire smoke season, and homes sealed tight for efficiency, indoor air in the Bay Area often carries more pollutants than the air outside. Promax installs whole-home indoor air quality systems in San Jose that work through your existing HVAC: MERV-13 to HEPA-grade media filtration, UV germicidal lights at the coil, energy-recovery ventilators (ERVs) that bring in fresh filtered air, and whole-home humidity control.
Unlike portable purifiers that clean one corner of one room, a whole-home system treats every cubic foot of air your family breathes — silently, automatically, with one filter change a year for most media cabinets. Ask about IAQ add-ons with any furnace, AC, or heat pump installation; integrated at install time, they cost significantly less.
Indoor Air Quality, Done Right
Here is what our indoor air quality work covers: system design and installation, repairs on every major brand, seasonal maintenance, and licensed, EPA-certified technicians on every job. Same-day service for no-cool, no-heat and no-hot-water calls, 7 days a week. Free in-home estimates on new systems and replacements.
- Full-system design, sizing, and installation
- Repairs on every major brand, with parts on the truck for most first visits
- Seasonal maintenance that prevents costly breakdowns
- Licensed, EPA-certified technicians for every job
What's Included With Indoor Air Quality
Every indoor air quality visit covers the items below, and the scope and price are confirmed in writing before any work starts. When it's finished the technician walks you through what was done and what to watch for. We call back within one business hour, 7 AM – 10 PM.
- MERV-13 to HEPA-grade media filtration cabinets
- UV germicidal lights installed at the evaporator coil
- Energy-recovery ventilators (ERVs) for fresh, filtered outdoor air
- Whole-home humidity control add-ons
Need indoor air quality help in San Jose?
Related Services
Most indoor air quality jobs touch one of these, and the same licensed Promax team handles all of them. Each page lists what's included, typical costs and the questions San Jose homeowners ask most. Not sure which you need? Call (669) 777-1997 and we'll point you to the right one.
Where We Work
Promax Service Group serves homes and businesses in San Jose, across Santa Clara County, and in nearby Peninsula and East Bay cities. Same-day service for no-cool, no-heat and no-hot-water calls, 7 days a week. Choose your city for local details, or call (669) 777-1997 to confirm we cover your address.
Frequently Asked Questions
What helps most against wildfire smoke?
A MERV-13 or higher media filter combined with running the system fan on low during smoke events. For sensitive households we add a dedicated HEPA bypass cabinet and an ERV so you can ventilate with filtered outdoor air instead of opening windows.
Are UV lights in HVAC systems worth it?
UV germicidal lamps mounted at the evaporator coil prevent mold and biofilm growth where condensation lives, keeping the coil efficient and the airstream cleaner. They're most valuable in homes with allergy sufferers or past coil-mold issues.
What filter should I use in my furnace?
For most San Jose homes, a MERV-11 to MERV-13 pleated filter balances filtration and airflow. Avoid ultra-restrictive 1-inch 'allergen' filters on systems not designed for them — a properly sized 4–5 inch media cabinet filters better with less strain.