Ervin Amaya·Jun 6First A2L Service Summer 2026: Six Truck-Stock and Habit Changes for Small HVAC ContractorsWeek 23. The eighth Saturday of the season. And depending on where you read this from, the first real one of summer.
Groupe Coda·Mar 5I Spent 12 Years Fixing HVAC Controls.A technical support veteran’s honest account of the most expensive problem nobody measures.
Ervin Amaya·Feb 16Subpart C Quick Reference Guide for HVAC Contractors: Thresholds, Deadlines, and Requirements…Nine weeks ago, the 15-pound threshold went live. Since then, we’ve covered every major aspect of Subpart C: how to calculate leak rates…
Ervin Amaya·Feb 2EPA Chronic Leaker Rule: The 125% Threshold That Triggers a Federal Report (2026)If you’ve been following this series, you’re now solid on the per-event leak rate thresholds: 10% for comfort cooling, 20% for commercial…
