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In modern, tightly-sealed, well-insulated homes, ventilation is an essential part of overall home efficiency and performance. If you're wondering about whether the range hood and bathroom fan provide enough ventilation for your home, the answer is that in most cases, they don't. What most new homes require is a whole house ventilation system that provides regular air exchanges of 30-60 per hour to maintain a healthy indoor air quality. Paying attention to airflow avoids dangerous situations (like carbon monoxide) by keeping combustion in heating systems properly firing.
Balanced Ventilation Makes the Difference
It's not enough to just exhaust bad air out (via things like bathroom and stove vents) or bring in fresh in. A balanced approach creates the best and healthiest environment. Balanced ventilation is achieved with a ventilation unit that has two fans: one that brings fresh air in and another that exhausts stale air out. In most balanced ventilation systems, an exchange of heat and sometimes humidity maintains an even temperature of the conditioned air. The exchange of heat or energy is accomplished with either an HRV or ERV unit.
Heat Recovery Ventilation (HRV)
Heat recovery ventilation units only capture heat from the inside air and transfer it to the fresh intake air stream. HRVs are generally used for predominantly cold or dry climates.
Energy Recovery Ventilation (ERV)
These units capture the energy in conditioned air and direct it inside. ERVs conserve both heat and moisture in both air streams, and are often used in humid climates. HRVs and ERVs are generally recommended as part of a forced air system.
The Right Ventilation for Your Home
No matter the type or model of your home's heating and cooling system, Condon Total Comfort can help identify a ventilation system that will keep your home well ventilated, comfortable and healthy.