Ask a builder what they want from an HVAC trade partner and you’ll rarely hear “the lowest bid.” You’ll hear: show up when the schedule says, pass inspection the first time, and don’t make me call you twice. After decades of new-construction work across the Sacramento region — including years of production warranty work for major builders — we’ve learned exactly what that takes.
Whether you build two homes a year or two hundred, here’s what you should expect from the mechanical trade.
Schedule reliability is the product
HVAC touches a build twice — rough-in after framing, finish after drywall — and both sit on the critical path. A mechanical sub who slips a week doesn’t cost you a week; they cost you every trade stacked behind them. Expect firm commitment dates, real communication when site conditions change, and crews that arrive staffed for the scope.
Title 24 without drama
California’s energy code isn’t a suggestion, and in new construction it’s verified — duct leakage testing, airflow verification, refrigerant charge verification, HERS raters on site. A competent new-construction HVAC partner builds to pass the first time, coordinates directly with your rater, and hands you clean documentation. Failed tests and re-visits are how closings slip; we treat them as defects, not paperwork.
- Load calculations per plan — every elevation and orientation, not one generic sizing
- Duct layout engineered for the actual floor plan, with mastic-sealed connections
- Equipment specified to meet Title 24 requirements for the development
- HERS testing coordination and first-pass documentation
- A warranty process that doesn’t route homeowner calls back through your office
The part builders feel later: warranty season
Every builder knows the real test of a trade comes after closing, when homeowners move in and the calls start. Our history here runs deep — we’ve handled production warranty service for thousands of Sacramento-area new homes, which taught us the habits that prevent those calls in the first place: charge verified per system, airflow measured per room, condensate routing done right. When a warranty item does surface, our certified technicians handle the homeowner directly and professionally, and you hear about it in a report — not an escalation.
Custom homes and additions too
Beyond production work, we handle custom builds, major remodels, and additions — where the mechanical plan has to fit an architect’s vision and an owner’s expectations at the same time. That includes ducted systems, zoning, and mini-split systems for spaces where ductwork doesn’t make sense, plus ADU packages for the granny-flat boom.
If you’re lining up trades for an upcoming project, the details live on our new construction HVAC page — or skip ahead and talk to a human at (916) 927-4500. Deal Mechanical has been building in this valley since 1959; we understand schedules because we’ve kept them for three generations.