HVAC Strategies for Allergy Sufferers

If you or family members suffer from allergies, your HVAC system can be part of the solution. Here is how to optimize it for allergy relief.

Filtration

Upgrade Your Filter - MERV 11-13 captures most allergens - Check that your system can handle higher MERV - Change regularly (more often during allergy season)

Consider Additional Filtration - HEPA air purifiers for bedrooms - Whole-house air cleaners - Electronic air cleaners

Humidity Control

Why Humidity Matters for Allergies - High humidity promotes dust mites and mold - Low humidity irritates respiratory system - Aim for 40-50% relative humidity

Maintaining Proper Humidity - Use dehumidifier if too humid - Use humidifier if too dry - Monitor with hygrometer

Ventilation

Fresh Air vs. Allergens - Fresh air is good, but outdoor allergens exist - Check pollen counts before opening windows - Use filtration when outdoor air quality is poor

Exhaust Ventilation - Remove cooking odors and particles - Reduce bathroom humidity - Improve overall air quality

System Maintenance

Regular Cleaning - Change filters on schedule - Clean vents and registers - Have ducts inspected

Professional Maintenance - Annual tune-ups include cleaning - Ensures proper operation - Can identify mold or contamination

Additional Strategies

Control Dust Sources - Use allergen-proof mattress covers - Wash bedding in hot water weekly - Vacuum with HEPA filter - Reduce clutter that collects dust

Consider Duct Cleaning If there is visible contamination, mold evidence, or excessive dust coming from vents, professional duct cleaning may help.

Bay Area Allergy Considerations

Our area has specific allergy challenges:

• Tree pollen in spring
• Grass pollen in summer
• Mold during rainy season
• Fire smoke (seasonal)

Stay informed about local air quality and pollen counts to adjust your HVAC strategy accordingly.