Replacement Air Filter Sizing: Nominal vs. Actual
Air filters are sold by nominal size, not the size they actually measure. A filter labeled 20x25x1 is closer to 19.5 x 24.5 x 0.75 inches, and that gap is...
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Replacement Air Filter Sizing: Nominal vs. Actual
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Best Temperature for Your Heater in Winter
Learn how to save energy by sticking to the average house temperature and using recommended thermostat settings in winter while still being comfortable in your home. Now that the...
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Think You May Be Allergic to Air Conditioning?
While, technically, people can’t be allergic to air conditioning, an AC system can be the root cause of spreading polluted air. It’s not coincidental when flare-ups and symptoms increase...
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Home Wellness & Indoor Air Quality Testing
Have you ever spent time in a building and started to feel unwell? Do you develop headaches, a sore throat, or experience eye or nose irritation in different locations but...
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DIY Face Mask
Face masks are in high demand right now, especially among hospital staff and caregivers. While the N95 mask is the only one known to provide protection against viruses such as COVID-19,...
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How Do I Measure My Air Filter?
At Air Filters Delivered, a common question we hear is: "How do I know what size air filter I need?" If the air filter measurements aren't printed on the...
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How Often Should I Change My Air Filter?
How often you change your air filter isn't a one-size answer — it depends on filter type, MERV rating, home size, whether you have pets, and what season your HVAC...
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Common AC Maintenance Questions
A Guide to Avoiding AC and Furnace Maintenance Missteps It happens to all of us: we move into our first place and realize there's more to adulting than buying our...
