Div 23 · Sheet Metal Ductwork, RTUs, VRF/VRV & Air Distribution
Starting from CA$75 CAD
HVAC Estimating Services
SMACNA sheet metal weight takeoffs, rooftop units, VAV boxes, VRF heat recovery, HRV/ERV ventilation, cold-climate heat pumps, kitchen and lab exhaust, and TAB allowances for HVAC contractors.
Technical Overview
Sheet metal margins depend on SMACNA pressure-class gauges, fitting ratios, fire and smoke damper framing and crane picks. We convert rectangular, spiral and oval duct to galvanized, stainless or aluminum weight plus liner and wrap, and size HRV/ERV and heat-pump equipment for Canadian heating degree days.
Governing Canadian Codes & Standards:
SMACNA duct construction standards CSA B52 mechanical refrigeration code ASHRAE 62.1 ventilation NECB energy requirements
Service Highlights
From CA$75 CAD / trade scope
- ✓ Turnaround: 24–48 hours
- ✓ Deliverables: Unlocked Excel BOQ + Marked PDF
- ✓ Proposal: Firm 15-minute response in business hours
- ✓ Confidentiality: Strict corporate NDA on request
Quantities Measured in HVAC
- ▸ RTUs, DOAS units, VAV/fan-powered boxes, split systems, and VRF branch selectors
- ▸ GRDs (grilles, registers, diffusers), fire/smoke dampers, louvers, and sound attenuators
- ▸ Refrigerant line sets, condensate drains, DDC temperature controls, and TAB scope
Common Bid Traps We Catch
- ⚠ Incorrect SMACNA static pressure class gauge weights (e.g., 2" WG vs 4" WG)
- ⚠ Unpriced motorized fire/smoke dampers and access doors at rated shaft penetrations
- ⚠ Roof curb adapters, crane lift permits, and certified Test & Balance (TAB) hours
Sample Bill of Quantities
Representative Line Items for HVAC
Every line item is delivered in an unlocked Excel sheet with formula-linked unit rates and Canadian code notes.
| CSI Code | Description | Unit | Sample Qty | Canadian Spec Notes |
|---|---|---|---|---|
| 23 74 13 | 25-Ton Packaged Rooftop Gas/Electric VAV Unit w/ Economizer | EA | 4 | Includes isolated roof curb, rigging & startup |
| 23 31 13 | SMACNA 2" WG Galvanized Rectangular Sheet Metal Ductwork | LB | 19,600 | Fabricated TDC flanges, sealer, trapeze hangers |
| 23 36 00 | Single-Duct Pressure-Independent VAV Terminal Box w/ Hot Water Reheat | EA | 38 | Includes DDC actuator & factory flow cross |
| 23 81 29 | Heat-Recovery VRF Outdoor Condensing System + Branch Selector Boxes | TON | 48 | Includes ACR brazed copper refnet tree & nitrogen purge |
Scope Coverage
HVAC Sub-Services & Specialisations
Detailed quantity surveys available for every branch of this trade across Canada.
▪ HVAC Estimating Service
▪ HVAC Ductwork Estimating
▪ HVAC Piping Estimating
▪ HVAC Equipment Estimating
▪ HVAC Installation Estimating
▪ Heating Estimating
▪ Ventilation Estimating
▪ Air Conditioning Estimating
▪ Commercial HVAC Estimating
▪ Residential HVAC Estimating
▪ Industrial HVAC Estimating
▪ Refrigeration Estimating
▪ Exhaust System Estimating
▪ VRF/VRV System Estimating
HVAC Takeoffs by Canadian Metro
Calibrated with indicative local labour factors and regional code amendments.
Bid Intelligence FAQ
HVAC Estimating FAQ
Clear answers about our Canadian estimation deliverables, turnaround, software and fees.
How much do hvac estimating services cost in Canada? ▼
Single-scope hvac takeoffs start from CA$75 CAD. Most commercial bid packages are quoted as guaranteed flat fees based on drawing sheet count and scope complexity with zero hidden add-ons.
What deliverables are included with a HVAC estimate? ▼
Every package includes an unlocked, fully editable Microsoft Excel Bill of Quantities (BOQ) with all formula links intact, colour-coded marked-up PDF drawing layers, an unpriced vendor Bill of Materials (BOM) for supply house pricing, and a verified inclusions and exclusions sheet.
What software platforms and workflows do your hvac estimators use? ▼
Our estimators prepare takeoffs with industry-standard Canadian estimating and takeoff software. Deliverables are unlocked Microsoft Excel workbooks and colour-coded marked-up PDFs, so you do not need a software licence to review them.
How are Canadian codes and standards addressed in HVAC? ▼
We cross-reference every line item against Canadian standards including SMACNA duct construction standards, CSA B52 mechanical refrigeration code, ASHRAE 62.1 ventilation, NECB energy requirements, calibrating labour productivity and freight allowances to your project province and Forward Sortation Area (FSA).
Are my bid figures and drawings kept confidential? ▼
Your project is safe with us. We never share your drawings, pricing, or bid figures with any other contractor. An NDA is available on request — just ask and we will sign one before you share your plans.
Firm Flat-Fee Bid Proposal · 15-Minute Response
Get a 15-Minute Proposal for Your HVAC Project
Upload your drawings now. Receive a firm, guaranteed flat fee starting from CA$75 CAD.
✓ 24–48h Turnaround
✓ Dual-Estimator QA Review
✓ Canadian Code & Currency (CAD)
✓ NDA on Request