Benefits of Ventilating

Every home needs ventilation to protect people from unhealthy indoor pollutants and to protect the building from excess moisture and heat. Learn more about the wide range of ventilation products produced by HVI members and how to apply them to create more comfortable and healthier living environments.

HVI Home Ventilation & Indoor Air Quality Guide

Moisture
Can cause allergy problems and structural damage by encouraging the growth of molds, mildew, bacteria, dust mites, dry rot, and insects.

Common household chemicals

• Cleaning supplies
• Paints and solvents
• Formaldehyde from furniture, carpet, and building materials
• Pesticides
• Volatile organic compounds
• Odors

Particles

• Dust and dust mites
• Pet dander
• Pollen
• Lead
• Asbestos

Tobacco smoke
A health risk to smokers and nonsmokers alike. Children are especially at risk.

Combustion products
(From fuel-burning heating equipment, gas water heaters, fireplaces, wood stoves, gas ranges, candles)

• Carbon monoxide
• Carbon dioxide
• Nitrous oxides
• Soot
• Unburned fuel
• Moisture

Heat
Overheating in attic from sun exposure.