Domain surfaces · not a standalone catalog product

HVAC, plumbing, electrical, sewer, and the jobs that span them.

Trades are first-class dimensions on the same canonical company state — Call-Fit, weather/demand, warranty, inventory, and Chain D turnovers. They are not a thin public catalog and not five separate products.

domain

HVAC

Comfort calls, maintenance, change-outs, and IAQ on shared weather and equipment-age routing.

domain

Plumbing

Supply, drain, fixture, and water-heater work inside the envelope.

domain

Electrical

Service, branch-circuit, and equipment-power work, including HVAC disconnects.

domain

Sewer

Main-line, camera, and lateral work beyond ordinary fixture clogs.

domain

Cross-trades

Multi-trade tickets and HVAC ↔ plumbing ↔ electrical turnovers.