CHOOSING A
Whole-House
Ventilation
SYSTEM
Increasingly, because of either
code changes or customer
demand, builders are having to
take a closer look at whether the
new, tight houses they build have
adequate ventilation. Many builders
would like to provide something better
than just a few bath exhaust fans
but aren't sure how to design a simple
ventilation system that is reasonably
priced and meets the needs of the
homeowner.
Most whole-house ventilation systems
rely on either exhaust fans or
the fans in forced-air heating and airconditioning
systems, because these
fans are cheap, ubiquitous, and familiar
to builders and homeowners. Yet
just because these fans can be adapted
for whole-house ventilation doesn't
mean they do the job well. In many
areas of the country, supply