- HEP Heat and Air
- Indoor Air-quality

Indoor Air-quality
Indoor Air-quality | Ventilation and Air Quality | Heating and Air Conditioning | Monterey
Feel the fresh difference every time you breathe in your Monterey home with HEP’s dedicated indoor air-quality specialists. Our team fine-tunes heating and cooling systems, installs advanced filtration, and balances humidity to create a cleaner, healthier atmosphere—no matter if the coastal fog is rolling in or summer sun is blazing. From smart thermostats to hospital-grade UV purification, we customize solutions that quietly safeguard your family’s comfort and well-being.
Because true comfort is more than temperature alone, our technicians focus on ventilation and air quality for every project we tackle. We test, seal, and optimize ductwork, boost fresh-air exchange, and remove hidden pollutants that standard HVAC setups leave behind. The result is crisp, contaminant-free air that lets you sleep deeper, work better, and enjoy Monterey’s laid-back lifestyle without worrying about what’s floating around inside.
FAQs
Why is indoor air quality such a concern in Monterey’s coastal climate?
Monterey’s mild, damp, and often fog-laden climate means homes stay closed up to retain warmth, trapping moisture, allergens, and pollutants indoors. Salt air can corrode HVAC components, encouraging microbial growth. Good indoor air quality (IAQ) is therefore essential to prevent mold, protect respiratory health, and keep heating and cooling equipment running efficiently.
Which pollutants are most common in Monterey homes?
Typical indoor pollutants include mold spores from coastal moisture, pollen from cypress, Monterey pine, and oak, volatile organic compounds (VOCs) from cleaning products or beach gear, fine particulates from wood-burning fireplaces, and salt dust. Pet dander and smoke from regional wildfires can also infiltrate homes and linger without proper filtration and ventilation.
What HVAC or mechanical solutions can improve my indoor air quality?
Effective IAQ upgrades include: 1) High-MERV or HEPA filtration to capture tiny particles and allergens; 2) Whole-home dehumidifiers to keep indoor relative humidity in the ideal 40-50 % range; 3) Energy-recovery ventilators (ERVs) that exchange stale indoor air with fresh outdoor air while conserving heating/cooling energy; 4) UV-C or bipolar ionization lights inside the air handler to inactivate mold, bacteria, and viruses; and 5) Properly sealed ductwork to prevent dust and attic pollutants from being pulled into the airstream.
How often should I change or clean my HVAC air filters in Monterey?
Because salt, moisture, and seasonal pollen load filters faster, we recommend checking disposable filters monthly and replacing them at least every 60 days. Homes with pets, allergy sufferers, or nearby wildfire smoke may need 30-day replacements. Washable filters should be rinsed monthly and allowed to dry completely before reinstalling to prevent mold growth.
Does coastal humidity affect HVAC performance and what can I do about it?
Yes. Persistent outdoor humidity lowers HVAC efficiency by forcing the system to run longer to remove moisture. Excess indoor humidity encourages dust-mite and mold growth. Installing a whole-home dehumidifier, running bathroom and kitchen exhaust fans, sealing duct leaks, and setting the thermostat to ‘auto’ (not ‘on’) help control humidity and reduce energy costs.
Are there energy-efficient ventilation options that meet California codes?
Absolutely. Energy- or heat-recovery ventilators (ERV/HRV) meet California Title 24 ventilation requirements while minimizing energy loss. They pre-condition incoming fresh air with outgoing exhaust air, recovering up to 80 % of the heat or cooling energy. Variable-speed ECM fan motors and smart, demand-controlled ventilation sensors further reduce operating costs and ensure code compliance.