For commercial HVAC contractors + chiller installers + refrigeration techs: AIM Act 2020 + 40 CFR Part 84 HFC phase-down, IRC §179D (post-IRA), ASHRAE 90.1 + IECC 2024, BACnet + Niagara + UL 2900, R-454B Puron Advance, ASHRAE Guideline 0 commissioning, NFPA 70E arc flash, LEED v4.1, Davis-Bacon prevailing wage, state mech license.
Enterprise unlocks the procurement floor — $5K–$50K+ Skilskis with ROI floors of $250K to $45M+ per skill, plus federation, ROI telemetry, and verifiable receipts. Members get 50% off any Elite Skilski outright.