I’ve been building a few HVAC calculators, and I’d like some feedback from the No Bull crew. They’re…

I’ve been building a few HVAC calculators, and I’d like some feedback from the No Bull crew. They’re free to use, with no login required. • Filter Pressure & Airflow — Check clean-filter pressure drop and face velocity at your airflow. Search for a specific filter or compare filters, cabinets, and return-filter setups. https://filters.kalosflorida.com/ • Duct Check — Check duct sizes, room airflow, and return paths in an existing home to help spot restrictions and practical improvements. https://duct.kalosflorida.com/ • Dehumidifier Sizing — Estimate moisture-removal needs for occupied spaces, sealed attics, and encapsulated crawl spaces, then compare equipment using published performance data. https://dehum.kalosflorida.com/ This one is also on the HVAC School calculators page: https://www.hvacrschool.com/calculators/#dehumidifier-sizing-calculator Each has explanations to help you understand the inputs and results. Try them with a job you know well and tell me what you think. Do the results make sense? Is anything confusing, missing, or hard to use on your phone? If something looks wrong, please share which calculator you used, the numbers you entered, and what you expected to see. A screenshot helps. I’m still refining these, so honest feedback is welcome. Thanks for helping me make them more useful.