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HOME Ventilation
Guide
HVI-Certified Ventilation Performance:
Everyone Wins!
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No matter what the home ventilation task, you
can depend on products bearing the HVI-Certified
label to perform as rated.
For over 50 years, the Home Ventilating Institute
(HVI) has been actively responding to the ever-changing
needs of the residential ventilation industry. Its
mission is simple: to Advance the Value of Residential
Ventilation for Healthier Living. HVI achieves this in
large part through its Certified Performance Rating
Program.
Products bearing the HVI-Certified label have been
tested and certified to ensure they meet the
stated ratings for airflow, sound and energy.
Certification provides peace of
mind to homebuilders, mechanical
contractors and consumers alike.
All testing is conducted by independent,
HVI-designated laboratories
to standardized procedures.
Continued performance is further
ensured through the HVI Verification
program.
Ratings can be found in the Certified Home Ventilating
Products Directory, which is updated every 30
days and available for download at www.hvi.org. It is
divided into three main sections:
Certified Ventilating Fan Products – Lists
HVI-Certified airflow and sound ratings for bathroom
exhaust fans, downdraft kitchen exhausters,
fresh-air inlets, heat and energy recovery ventilators,
inline fans, integrated supply and exhaust fans,
powered attic ventilators, remote exterior-mounted
ventilators, static vents for attics and crawlspaces
and whole-house comfort ventilators.
Heat and Energy Recovery Ventilators
(HRVs and ERVs) – Lists HVI-Certified ventilation
and energy performance data.
Certified Static Ventilating Devices (Non-
Electronically Powered Ventilating Devices) –
Lists HVI-Certified foundation vents, fresh-air inlets,
gable end ventilators, roof ventilators, room-toroom
transfer registers, sidewall ventilators and under-eave
ventilators.
www.hvi.org
Home ventilating fans carry dual ratings for quietness
and ventilating performance. Simple, validated
numbers provide the air movement in cubic feet per
minute (CFM) and the sound output in sones.
CFM is the number of cubic feet of air that a fan will
move in one minute. The sone is an internationally recognized
unit of loudness, which simplifies reporting of
sound output. One sone is approximately equivalent to
the sound of a quiet refrigerator in a quiet kitchen, so
the lower the sone rating, the quieter the fan.
Who Benefits?
Everyone in the residential building industry benefits
from HVI-Certified ventilation performance.
Residential ventilation manufacturers – The
HVI Certification program provides a level playing
field in a competitive market for HVI member companies,
ensuring that products can be compared fairly.
Homebuilders – By specifying HVI-Certified products,
homebuilders can ensure they are meeting the
ventilation rates specified by building codes and limit
any liabilities that may arise from improper ventilation.
More state and energy conservation programs are
specifying the energy consumption of ventilation
products, making HVI Certification, which is used by
the Energy Star ® program, a necessity.
Mechanical contractors – Armed with HVI Certification
data, contractors can select products that meet
building code requirements with confidence, knowing
they will provide the necessary airflow. Installers can
also select products for sound, and make recommendations
to their builder and residential customers
regarding the various options. In locales where the energy
consumption of ventilation fans is mandated, HVI
Certification gives contractors the information they
need to make sure the requirements are met.
Consumers – Ventilation products are designed
to make homes more comfortable and healthy. HVI
Certification ensures consumers that those products
will perform as expected.
For more information, contact HVI or any of its
member companies listed at www.hvi.org. We’re
always glad to help! ■