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Choose wall mounted for most rooms, because it costs the least per zone and puts the filter screen within reach of a step stool. Choose a ceiling cassette for square, open rooms that have a usable ceiling cavity above. Choose floor mounted for sunrooms, basements, and rooms with sloped ceilings or short walls. Choose concealed … Read more
Most of what gets called a Minimum Efficiency Reporting Value (MERV) 13 problem turns out to be an installation problem with a filter rating. We learned this on a January call in Costa Mesa. The homeowner had upgraded her filter a month before our visit, and the registers were already gray. Her system was running … Read more
The first call after a Cajon Pass smoke event usually comes 48 hours in, when the homeowner notices the kitchen still smells like a campfire. By then, the outdoor map has cleared and the visible plume has moved on, but the home’s HVAC (Heating, Ventilation, and Air Conditioning) system has been recirculating PM2.5 (fine particulate … Read more
Editorial Introduction After spending years writing about residential HVAC and indoor air quality, I’ve learned one thing: the “best” air filter is rarely the one with the highest MERV rating on the shelf. The right 14x18x1 filter depends on your system, your home, and what you’re actually trying to fix. A family managing pet allergies … Read more
South Florida runs its HVAC systems almost every day of the year. That matters because when the live AQI map in Miami Florida today crosses 150, outdoor air does not stay outside. It moves through ductwork. At DuctsHub.com, we track what that number means before it shows up as a problem on a service call. … Read more
Each wildfire season, air quality alerts raise the same urgent question for many households: can repeated exposure to wildfire smoke eventually lead to chronic lung disease? From our experience working with homeowners and indoor air systems at DuctsHub.com, we’ve seen firsthand how lingering smoke particles can continue circulating indoors long after outdoor conditions improve—potentially extending … Read more
As HVAC professionals who work daily with the steel ductwork and components that electric arc furnaces help produce, our team at DuctsHub has a practical appreciation for EAF steelmaking that goes beyond textbook definitions. Electric arc furnaces recycle scrap metal at temperatures exceeding 3,000°F to create the very steel alloys found in your home’s duct … Read more
If someone in your home smokes indoors, your air filter is failing faster than you think. Tobacco smoke loads filters with tar and chemical residues that standard replacement timelines don’t account for. A filter rated for 90 days can be fully saturated in 30 days or less. At DuctsHub.com, we see it constantly — filters … Read more
Dust keeps coming back no matter how often you clean? Your filter fit might be the real problem. At DuctsHub.com, we’ve inspected thousands of HVAC systems and found the same pattern: when a filter doesn’t seat flush in the return, fine particulate slips past and coats the inside of your ductwork — quietly restricting airflow, … Read more
At DuctsHub.com, we’ve shipped thousands of 17.25×35.25×2 HVAC pleated air filters — and we’ve seen firsthand how often homeowners struggle to find this odd-ball size locally. That’s exactly why we built our auto-delivery subscription. Based on our experience, customers who switch to scheduled filter delivery stay on track with replacements, keep their HVAC systems running … Read more