Infiltration

Infiltration is one of the most unaccounted for aspects of indoor environmental control.  Often associated with wasted energy, high rates of infiltration can significantly impact the performance of heating and air conditioning equipment and negatively impact indoor air quality via the introduction of unconditioned, unfiltered, moisture-laden outside air.

High or fluctuating interior humidity is often traced back to excessive infiltration.  Although leaky windows are often blamed for high infiltration, in many cases they are not the most significant contributor.  Particularly prone to excessive infiltration are homes with vented attics and numerous canned lights or other ceiling penetrations.  Homes with volumous "knee wall" attic spaces are also particularly susceptible to excessive infiltration.

Air Plus uses a Blower Door and Flow Hood to determine the degree of infiltration associated with a home or business.