HVAC Refrigerant Guides & Industry News
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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.
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How Refrigerants Transfer Heat Inside an Air Conditioner
Sep 21, 2026
FreonShop
Refrigerant doesn't create cold — it carries heat. Here's what really happens inside your AC, why it never runs out, and what low charge means.
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Which Refrigerants Are Being Phased Down in the United States?
Sep 19, 2026
FreonShop
Learn which refrigerants face the US HFC phasedown, how R22 differs, and what current regulations mean for existing AC and refrigeration equipment.
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Residential Air Conditioner Refrigerant Timeline (1990–2026)
Sep 16, 2026
FreonShop
Explore the U.S. residential AC refrigerant timeline from R22 to R410A, R32, and R454B, including phaseout milestones and updated 2026 rules.
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How to Tell If a Refrigerant Cylinder Is Factory Sealed
Sep 15, 2026
FreonShop
Learn how to check refrigerant cylinder seals, spot suspicious packaging, verify supplier records, and handle a cylinder with a damaged seal.
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Why Does My Outdoor Unit Feel Extremely Hot?
Sep 14, 2026
FreonShop
Is your outdoor AC unit extremely hot? Learn what heat is normal, which symptoms suggest overheating, and when to turn off cooling and call a technician.
