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A dirty air filter can raise your electric bill by restricting airflow, which forces your air conditioner or furnace to run longer to reach the same temperature. The U.S. Department of Energy puts the wasted energy at 5% to 15%. For most homes that is roughly $3 to $10 a month, or $40 to $120 … Read more
Mini split or window AC? Florida homeowners ask us this every summer, usually with a Home Depot receipt half-pulled from their pocket. Most generic comparison guides treat the choice like a tie. From what we’ve seen across hundreds of installs between Miami and Pensacola, it almost never is. The honest answer depends on five factors … Read more
Forty breaths a minute. That’s how fast your newborn’s lungs are working right now, pulling in whatever your HVAC system pushes out. If the filter behind that vent is a standard MERV 8, most airborne bacteria pass straight through it and into your baby’s nursery on every single cycle. You probably triple-checked the crib mattress, … Read more
A haboob can move Las Vegas from Good air quality to Unhealthy in under two hours, and wildfire smoke from California crosses the Spring Mountains without so much as a forecast. Summer heat turns traffic emissions into ground-level ozone that keeps building through the afternoon. Las Vegas doesn’t have a constant air quality problem. What … Read more
Are you wondering if Home Depot charges a diagnostic fee for AC tune-ups? Finding the right MERV 11 20x25x5 Air Demon filter can be tricky, as many “compatible” options don’t quite fit. One of our editors tested three filters, and two left gaps that allowed unfiltered air to bypass—definitely not ideal for maintaining clean air. … Read more
Introduction If you’ve ever stood in the filter aisle staring at a wall of options and wondered what those three numbers actually mean, you’re in good company. The 20x25x1 size comes up more than almost any other in the homes I cover — and yet the questions around it rarely get a straight answer. What … Read more
That persistent cough after days of hazy skies? It might be walking bronchitis—and wildfire smoke is likely the culprit. Fine particulate matter from wildfires doesn’t just irritate your throat. It burrows deep into your airways, triggering the kind of lingering chest infection that keeps you on your feet but never quite feeling right. Here at … Read more
At TheHVACJournal.com, our field teams have worked on every kind of system imaginable—from high-efficiency residential installs to one-of-a-kind duct configurations in older homes. One insight we’ve confirmed over years in the industry: when an HVAC system uses an uncommon filter size like 19x20x1, it’s not an error—it’s a purposeful engineering choice. Manufacturers and installers often … Read more
If you’re trying to figure out whether a 21.5×21.5×1 air filter is “standard” or truly an odd size, here’s what our hands-on testing shows: it’s considered an odd size by industry standards, even though it’s more common than most homeowners realize. Based on real-world fit tests and airflow measurements documented by thehvacjournal.com, this size exists … Read more
If you’ve ever paused at the numbers 16x28x1 on your HVAC air filter and wondered why this exact size matters, you’re asking the right question—because in our hands-on testing and field observations at TheHVACJournal.com, we’ve seen how the wrong filter size can quietly sabotage airflow, strain equipment, and diminish indoor air quality long before homeowners … Read more