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The air filter aisle at most hardware stores can make a person feel a bit giddy. So many to choose from and, well, so little direction on which filter would make the ideal choice. Do you grab-and-go ...

Our recent article about energy-recovery ventilators (Ventilate Your Home with Minimal Energy Loss) stated that using a “true high-efficiency particulate air (HEPA) filter” in your forced-air heating ...

Now that we’re tuning up our furnaces for winter, let me assure you that HVAC companies are not just blowing hot air when they implore you to install filters correctly. In fact, they warn that ...