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Most homes are already leaky and drafty so why would you want to bring in more outside air into the duct system? Because that's the best place to bring it in! Normally the air that comes into buildings, leaks through the walls, windows, doors, electrical outlets,...
NCI training seminars show you how to achieve gross margins of up to 80% on testing and system renovation work. This should result in net profits of 20% or better. Some of you make these margins regularly on this type of work, yet many still do not. As we provide...
The most talked about symptoms of CO poisoning are those that mimic the flu, such as nausea, headache, and dizziness. Fever is another symptom we rarely hear about. These symptoms may be reactions to a short term CO exposure, but what symptoms are common in exposures...
John Cole, Managing Partner of Cole's Air Diagnostics is September's NCI contractor of the month. The company serves the lower western coast of Florida from Port Charlotte to Naples. When I asked John what part of the industry he specializes in, I heard a grin in his...
It's amazing how many contractors are still looking for a "Silver Bullet" solution to mold. Ideally we would have some magical pixie dust you sprinkle on a home or building to make it mold-proof, or better yet, to cure all existing mold issues forever. In this attempt...
Adding fresh air to a heating or cooling system accomplishes two primary indoor air quality goals: It helps control building pressures and improves indoor air quality by diluting polluted or stale indoor air. Outside air enters the system through a roof or sidewall...
It's amazing how many contractors are still looking for a "Silver Bullet" solution to mold. Ideally we would have some magical pixie dust you sprinkle on a home or building to make it mold-proof, or better yet, to cure all existing mold issues forever. In this attempt...
Since the ASHRAE IAQ Standard 62 has been in turmoil for over a decade, we've put together a few rules of thumb to consider when designing and testing fresh air in homes and buildings. Fresh air intake = Occupants in a building X 15 CFM To maintain an adequate...
Adding fresh air to a heating or cooling system accomplishes two primary indoor air quality goals: It helps control building pressures and improves indoor air quality by diluting polluted or stale indoor air. Outside air enters the system through a roof or sidewall...
Alan Fisher, President of FisherAir Heating and Air Conditioning Services in Brea, California, was one of the first technicians certified by the National Balancing Institute (now National Comfort Institute) in the early 1990’s. His company has kept the flame burning ever since.
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