What's changing
A running list of regulatory and industry changes for AC, plumbing and electrical companies.
EPA removed the January 1, 2026 installation deadline for qualifying residential and light commercial R-410A equipment made or imported before January 1, 2025. The industry is still moving to R-454B and R-32.
What to do: Check distributor stock and pricing before quoting, and give your team one plain explanation for homeowners.
Source: ACCAThe Section 25C credit is not allowed for property placed in service after December 31, 2025. Section 25D is not allowed for expenditures made after that date.
What to do: Remove these credits from proposals and scripts. Look to state and utility programs instead.
Source: IRSDOE standards apply to consumer water heaters from May 6, 2029. Most common-size electric storage heaters will need heat pump technology.
What to do: Start training and financing conversations early, and flag homes where a heat pump unit may not fit.
Source: Federal RegisterEPA's Lead and Copper Rule Improvements generally require water systems to replace lead service lines within 10 years. The rule is being challenged in court, and EPA said in February 2026 it would defend the 10-year requirement.
What to do: Expect homeowner questions as utilities send notices. Learn your local utility's plan.
Source: Florida DEPPublished in September 2025, with expanded GFCI requirements, new rules for EV charging equipment and changes to service disconnects. It is a model code, so it applies only where adopted.
What to do: Confirm which edition your local authority enforces before you price the work.
Source: EC&MThe FCC replaced its planned "revoke all" rule. An opt-out from one kind of informational robocall or text can apply to that category, and callers may name exclusive opt-out methods if clearly disclosed. Telemarketing opt-outs still revoke consent to telemarketing.
What to do: Have counsel review your texting and calling opt-out process.
Source: National Law ReviewGeneral information, not legal, tax or code advice. Confirm details with the source and your local authority. Last reviewed November 9, 2026.
| Event | Dates | Location |
|---|---|---|
| AHR Expo | January 25-27, 2027 | Chicago, IL |
| ACCA 2027 Conference and Expo | March 10-12, 2027 | National Harbor area, MD (Gaylord National) |
| PHCC CONNECT 2027 | October 25-28, 2027 | Fort Worth, TX |
Check organizer sites before booking travel.
Best practices
Calling and texting customers comes with rules on consent, timing and opt-outs, and the rules change.