HVAC
Estimating Services
Professional HVAC estimating and quantity takeoffs for commercial, industrial, and healthcare projects — ductwork by gauge and type, HVAC equipment, diffusers, piping, controls, and insulation. SMACNA standards. 48–72 hour turnaround.
Standard Turnaround
Duct Standards
States Covered
Drawing-Referenced
What's Included
Complete HVAC Takeoff
Every HVAC takeoff is 100% drawing-referenced — every duct area, equipment spec, and piping length tied to a specific mechanical plan or detail.
Ductwork
Sheet metal ductwork areas by gauge and type (rectangular, round, oval, flex) — with fittings, transitions, and supports
HVAC Equipment
AHUs, RTUs, FCUs, VAV boxes, chillers, boilers, cooling towers, and all mechanical equipment counts and specs
Diffusers & Grilles
Supply, return, and exhaust diffusers and grilles by type, size, and CFM — with all accessories
Piping Systems
Chilled water, hot water, condenser water, refrigerant, and steam piping by size and material
Controls & BAS
Thermostats, sensors, actuators, controllers, and building automation system components
Insulation
Duct insulation, pipe insulation, and equipment insulation by type and thickness
Exhaust & Ventilation
Exhaust fans, kitchen hoods, makeup air units, energy recovery ventilators, and all ventilation equipment
Labor Hours
SMACNA/MCAA unit labor hours by work type — or quantities only if you prefer to apply your own rates
Why Choose Us
The Union Estimating Difference
48–72 Hour Turnaround
Complete HVAC estimates and takeoffs delivered in 48 to 72 hours. Rush delivery available.
All HVAC Systems
VAV, VRF, chilled water, heat pump, rooftop, split systems, and all other HVAC system types.
SMACNA Standards
Ductwork quantities based on SMACNA standards — the industry benchmark for sheet metal estimating.
Excel + Annotated Markups
Quantities in Excel with color-coded PDF markups tied to specific mechanical plans and details.
All Drawing Formats
PDF, CAD (DWG/DXF), Revit MEP, and SketchUp — we work from any format you provide.
Nationwide Coverage
Serving HVAC contractors, mechanical contractors, GCs, and developers across all 50 states.
FAQ
HVAC Estimating Questions
Trade Services
Explore All Trade Takeoffs
Union Estimating covers every major trade — from structural to MEP to finishes. Each takeoff is drawing-referenced, annotated, and delivered in 48–72 hours.
Ready for Your
HVAC Estimate?
Send us your mechanical drawings and we'll have a complete, bid-ready HVAC estimate back to you in 48–72 hours.