Built, not bought — engineered for new construction.
Service Line Air & Heat provides expert Construction HVAC for homes and businesses across the area. Get in touch for a free assessment.
Every project starts with a Manual J load calculation — not a rule-of-thumb based on square footage. Why does this matter? An oversized system short-cycles, meaning it satisfies the thermostat before it can pull latent humidity out of the air. An undersized system runs continuously and still can't hold temperature on a 100°F Baytown afternoon. We calculate sensible and latent loads separately, account for your building envelope, glazing, and occupancy, and right-size the system to the actual thermal demand. That precision translates directly into lower utility bills and consistent comfort from day one.
Off-the-shelf ductwork is engineered for nobody's building in particular. We fabricate custom sheet metal in-house, which means transitions, plenums, and trunk lines are sized to hit target airflow at the correct Total External Static Pressure — not forced to fit whatever the supply house had in stock. Airtight duct sealing isn't an upsell; it's standard. Leaky ductwork in an unconditioned attic can waste 25–30% of conditioned air before it reaches a single register.
We measure amp draw, static pressure, and airflow before we recommend anything. If a system underperforms, we find out why — duct restriction, equipment mismatch, building envelope failure — and fix the cause, not the symptom.
From rough-in and duct sealing through final commissioning and verification, we own every phase. One contractor, one accountable scope, no coordination gaps that leave your GC chasing subcontractors.
Dayton, Baytown, Crosby, Mont Belvieu — this corridor runs hot, humid, and hard on equipment. We engineer for Gulf Coast latent loads and coastal corrosion conditions, and we know the local code requirements that out-of-area contractors routinely miss.
Yes — and it's one of the core reasons construction professionals bring us in early. We fabricate ductwork in-house in our own sheet metal shop. We don't order off-the-shelf fittings and force them to fit; we build what the design actually requires.
That matters on architecturally complex projects for several reasons:
Talk to Service Line Air & Heat — straight answers, no pressure.
Call (346) 533-0804