Broan Indoor Air Quality

Fresh Air Ventilation for a Healthy Home

Fresh Air Ventilation = A healthy environment for you and your family. Improve the indoor air quality of your home with affordable BROAN Balanced Ventilation Systems. BROAN is the leading balanced ventilation systems provider for residences.

Balanced Ventilation

New homes are tightly built to save energy, but this can often times have a negative impact on the home without proper ventilation.

Air within your home can be up to 10 times more polluted than the air outside.  Microbial pollutants like mold, pet dander and plant pollen along with chemicals such as radon and volatile organic compounds (VOCs) create a toxic environment in your home. The build-up of pollutants such as these is shown to lead to allergies, asthma and other health concerns.

To combat the issue of poor ventilation, many studies from Building Science organizations, government and independent building science experts indicate that today’s homes need balanced ventilation throughout the day to maintain a healthy indoor environment.

BROAN offers a wide selection of innovative balanced ventilation solutions to fit your every need.

Exhaust Only
An exhaust only system removes stale and moisture-laden air from the home. It works by extracting indoor air from a house while make-up air infiltrates through leaks in the building shell and through intentional, passive vents.  Typically exhaust-only solutions remove air from rooms where moisture and pollutants is most often generated (kitchen, bathrooms and perhaps the laundry room).

Supply Only
Supply ventilation systems involve the use of a fan to bring outside air into the home while air leaks out of the home through holes in the shell, fan ducts and intentional vents (if any exist). A typical supply ventilation system introduces fresh air into usually one or more rooms within the home that residents occupy most often (e.g., bedrooms, living room).

Balanced Systems
Balanced ventilation systems, if properly designed and installed, neither pressurize nor depressurize a home. Rather, they introduce and exhaust approximately equal quantities of fresh outside air and polluted inside air, respectively.

A balanced ventilation system works within the home’s HVAC system to facilitate proper distribution of fresh air throughout the living environment. Fresh air supply and exhaust vents can be installed in every room but are primarily focused to supply fresh air to bedrooms and living rooms where people spend the most time. It is also functional to exhaust air from rooms where moisture and pollutants are most often generated (kitchen, bathrooms and perhaps the laundry room).

Balanced Systems with Energy Efficiency
Energy recovery ventilation systems provide a controlled way of ventilating a home while minimizing energy loss. They reduce the costs of heating ventilated air in the winter by transferring heat and/or humidity from the warm inside air being exhausted to the fresh (but cold) supply air. In the summer, the inside air cools the warmer, incoming supply air to reduce ventilation cooling costs.

There are two types of energy-recovery systems: heat-recovery ventilators (HRV) and energy-recovery ventilators (ERV). HRV systems draw fresh air into a home while simultaneously exhausting stale air from the home. During this exchange, the two airstreams pass through a core within the unit where a portion of heat from one air stream is transferred into the other (usually the indoor air in winter and the outdoor air in summer).

An ERV works similarly to an HRV, except an ERV allows a portion of the moisture in the more humid air stream (usually the indoor air in winter and the outdoor air in summer) to be transferred to the dryer air stream.

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