Don't just get an opinion...get the picture

Air Venting In Your Home

Proper humidity levels in your home are crucial to a healthy home. Moisture must be vented from the interior of the home to the exterior. Relative humidity in your home should be between 40% and 50%. If humidity levels are 30% or less (to dry) it can have negative health consequences. If it is too high for extended periods of time it can result in structural damage and provide a good environment for mold growth.

An air exchanger with a dehumidifier is a good choice to help recycle the air and control moisture levels. There are many types of systems on the market and you need to talk with the professionals to help determine which system is right for your home, your lifestyle and future needs. Also check the web, ask people who have systems and discuss your needs with several professionals. Having your washroom fan, stove hood fan and clothes dryer venting directly to the exterior is crucial to a healthy home. Make sure that there is no venting of moisture laden air from any system exhausting into your attic, soffit, crawl space or anywhere else in your home. If you do not have a dehumidifying air exchanger system you can purchase a stand-alone dehumidifier or humidifier.

Air exchanger dehumidifying systems are also good for your home environment. They not only balance the humidity in your entire home (if installed correctly) but will exhaust stale odor and possible polluted air from the interior to the exterior and replace it with fresh clean filtered air. We tend to have a lot of chemicals in our homes; everything from cleaners, detergents, solvents, paints, finishes, carpets, furniture, underlay, etc. These chemicals and off-gassings fill the home space with invisible and, sometimes odorless, pollutants that you and your family will continuously breathe. Air exchanging will help elevate at least some of the health effects of these unseen and mostly odorless pollutants. If you are unsure of the humidity levels in your home you can buy an inexpensive mechanical moisture meter (hydrometer) and periodically check the humidity and temperature levels in different locations of your home at different times. You will discover which areas of your home will need more or less dehumidifying, and where you may need to raise the temperature. If you have areas where you are experiencing high humidity you will need to find out why. Usually dehumidifying, and sometimes humidifying, will occur more often during the heating season when windows and doors are closed and sealed. Itís during this time that itís most likely when moisture will become trapped in our home.
If you suspect that you are having unsolved humidity problems in parts of your home you can perform an exploratory (visual inspection) in those areas. If this fails to find a problem another method may involves some type of destructive investigation within those areas. But will you know exactly where to look to find out where the problem is and to minimize the restructuring costs? Unfortunately where the moisture is and where the main problem is can be two separate places and it may be occurring for different reasons. Solving one may not solve the other.
Another, and most cost effective, method is to have a non-destructive diagnostic performed on your home by a certified thermograher. Thermal imaging will help you discover where moisture is in your home. If you are having problem areas have a detailed moisture diagnostics performed in those areas to determine the extent of the problem or problems. You can also have a thermal diagnostic survey performed on the rest of your home to help make sure other problems do not exist. Donít just get an opinion get the picture of the condition of your home.


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