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Related Articles 14.3 SEER2 Condensing Units: Complete Buyer’s Guide How to Size an AC Unit for a Florida Home: Manual J Guide Shop iAir Air Handlers for R-454B Systems → Last updated: May 2026. Refrigerant regulations are subject to change. Verify with your local building department.
ECM vs PSC Motors: Which Air Handler Is Right for Your Florida HVAC System?
ECM vs PSC Motors: Which Air Handler Is Right for Your Florida HVAC System? Every Florida contractor faces this decision when spec’ing an air handler: ECM variable-speed motor or PSC motor? The short answer: ECM motors are better for efficiency and comfort. PSC motors are better for budget. But in Florida’s climate, the choice matters…