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VENTING 101 – Air Admittance Valve Pros and Cons

by on in Attic Ventilation, Building Code, Good Advice, Plumbing, Plumbing Vent, Roof Penetration, Ventilation

During maintenance you’ll want to be assured the top of the vent is kept open. A blocked vent can be caused by leaves, dead animals and ice dams (in very cold climates). Another “not-so-common” way

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Air Filter MERV Ratings and Why You Should Care

by on in Air Conditioning, Air Quality, Misc Category, Ventilation

We spend more time indoors during the winter months. That’s why it makes sense to keep your heating and cooling system’s air filter changed. Here are a few details to consider. Air filters are manufactured with a rating called the MERV or minimum efficiency reporting value.  That’s a number from 1 to 16 that’s relative to […]

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