HVAC Refrigerant Guides & Industry News
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Is R454B Safe in My Home? Mildly Flammable Refrigerants Explained
Sep 30, 2026
FreonShop
R454B is safe in equipment built for it. What "mildly flammable" A2L means, how the built-in leak sensor works, and what to do if your system alerts you.
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Ductless Mini Split Refrigerant Leaks: Signs, Costs, and Next Steps
Sep 27, 2026
FreonShop
Mini split losing its cool? Learn the signs of a refrigerant leak, what repairs typically cost in 2026, and what a proper fix involves before you pay for it.
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Reading Your HVAC Invoice: What Refrigerant Charges Mean
Sep 29, 2026
FreonShop
Refrigerant per pound, leak search, recovery, "EPA fee": here's what each line on your HVAC invoice means, what's typical in 2026, and what to ask.
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Why Is My Heat Pump Blowing Cold Air in Winter?
Sep 25, 2026
FreonShop
Cool air from a heat pump in winter is often normal: defrost mode or lower supply temps. Here's how to tell normal from a real problem, and what to check.
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Can I Still Get an R410A AC Installed After the 2026 EPA Change?
Sep 25, 2026
FreonShop
Often, yes. EPA lifted the R410A install deadline for pre-2025 equipment in July 2026. Here's what qualifies, where it doesn't, and what to weigh.
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Why Refrigerants Have Different Pressure Characteristics
Sep 23, 2026
FreonShop
At 40°F, R22 sits near 69 psig and R410A near 119. Here's why refrigerants run at different pressures and what that means for your AC.