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HVAC Tips

Practical guides and resources written by HVAC technicians in the HVAC Tips category.

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📋 HVAC Tips

EPA Leak Rate Thresholds Changed in 2026: The New 10/20/30 Rules Most Charts Get Wrong

The AIM Act dropped the refrigerant leak-repair threshold from 50 lbs to 15 lbs and set trigger rates at 10/20/30. Here is exactly what changed, who is covered, and the deadlines — verified against 40 CFR 84.106.

July 3, 2026 6 min read
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💸 HVAC Tips

The True Cost of a Lost Serial Number on a Rooftop Unit

It's just a number — until you need it for a warranty claim, a parts order, or an EPA refrigerant report. Here's what losing it actually costs.

May 10, 2026 5 min read
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HVAC Tips

What Is SEER Rating and Why It Should Live in Your Equipment Records

SEER tells you how efficient a system is — and knowing it for every unit in your portfolio matters more than most people realize.

May 5, 2026 5 min read
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