The FilerAI Blog
Straight-talk articles for HVAC shop owners on permits, warranties, EPA compliance, and keeping your paperwork from costing you money.
The 2026 Refrigerant Transition: What Your Shop Needs to Document Right Now
R-410A is gone from new equipment. R-32 and R-454B are here with different rules. What to log on every job before a warranty denial or EPA audit forces the issue.
EPA 608 Record Retention: What Auditors Actually Check
The 3-year rule, what auditors pull first, and how to stay audit-ready without the headache. Real fines, real paperwork, plain English.
Why HVAC Warranty Claims Get Denied (And How to Stop Losing $1,400 Each Time)
The top 3 reasons manufacturers deny warranty claims and the paperwork that keeps them paying. Trane, Carrier, Lennox, Rheem specifics.
The HVAC Permit Trap Small Shops Don't See Coming
Why an open permit on a 3-year-old install can sink a shop's license. Inspection deadlines by jurisdiction, liability that doesn't transfer, and how to track it all.
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