CPS IAQPRO SmartAir Manual del usuario - Página 7

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AIR QUALITY (Issues, Causes, Solutions) Cont'd

Indoor Air

Potential Causes

Quality Issues

Remove contaminants inside home or

VOC Contaminants

garage

The U.S. EPA reports

Improve ventilation inside home or garage

that on average, 60% of

Add garage ventilation fan to exhaust/create

High VOC Level

VOC's enter the home

negative pressure

through an attached

Seal garage/mud door from home

garage

Mechanical equipment

Inspect gas appliances and heaters for leaks

issues

Add or increase size of return registers in

Insufficient returns

bedrooms

High CO2 Level

Add ERV (Energy Recovery Ventilation) or

Inadequate ventilation

HRV (Heat Recovery Ventilation) to exchange

stale air with fresh air

Negative air pressure in

summer

Negative air pressure

High Or Low

in winter

Inspect windows, doors or other openings in

Building

the building envelope for air leaks

Positive air pressure in

Pressure

summer

Positive air pressure

in winter

In the summer, conden-

sation forms on ducts,

Ensure AC system is proper size (tons) and

air diffusers, walls or

High Or Low

functioning properly. Check ductwork or

ceilings

Dew Point

building envelope for leaks. Determine if

In the winter, conden-

insulation missing

sation forms inside

exterior walls

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