The Consequences Of Improperly Ventilating A Home


Homes must be designed in a way that lets a certain amount of air escape to the outside. Known as ventilation, the process of discharging air to the outdoors and bringing fresh air inside ensures that moisture, allergens, and dangerous gases don't build up inside the home. Exhaust fans, roof vents, attic fans, and furnace exhaust systems all work together to ventilate a home. But sometimes, homes are not as well ventilated as they should be. It's important to have an HVAC specialist look over your home and ensure it is well ventilated. This is because failing to ventilate your home properly could lead to a number of consequences, including:

Airborne Diseases

Airborne pathogens, like cold and flu viruses, tend to build up in the air when there is not enough exchange between your home's indoor air and fresh outdoor air. These illnesses tend to be most common in the winter, and this is partially because during the winter, homes tend to be more closed off. People close their windows, and roofing vents can become clogged with snow, prohibiting them from letting fresh air in as they should.

An HVAC technician can ensure that your home is set up to allow adequate ventilation, even when all of the windows are closed in the winter. This may involve working hand-in-hand with a roofing contractor to improve your roofing vents.


Allergies can be an issue when there is too much ventilation and when there is too little. When there is too much ventilation, too much pollen from the outdoors tends to find its way indoors. When there's not enough ventilation, indoor allergens like dust and mold spores tend to accumulate. If you're struggling with allergens, your HVAC contractor will not only make sure that you have the right amount of ventilation for your home, but also that the air entering your home is being filtered properly. Upgrading to a more effective air conditioner filter, for instance, may help keep outdoor allergens from entering your home through the HVAC system.

Mold Growth and Structural Damage

A home that's poorly ventilated is likely to become too moist. This can happen due to a lack of attic ventilation, but it can also be due to the absence of exhaust fans in the bathroom, kitchen, and other areas where moisture is prevalent. Mold thrives wherever there is moisture, so moist indoor air often results in mold-covered surfaces and perhaps permanent structural damage. Upgrading your exhaust fans (or having them installed in the first place) is an important first step in dealing with this issue. If this does not thwart the problem, additional solutions like an attic fan should be explored.

If you are experiencing any of the issues above, be sure to work with an HVAC technician from a company like Drew Green Heating & Cooling to improve your home's ventilation system before the problems become worse.


2 March 2016

HVAC System Repair Guides

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