Download a free HVAC bid template covering equipment, ductwork, controls, refrigerant, testing and balancing, and commissioning with material and labor breakdowns. Submit competitive mechanical bids that protect margin.
An HVAC bid template is the structured form a mechanical contractor uses to submit a competitive price for a defined HVAC scope on a construction project. It organizes the bid into the categories an estimator and a general contractor both think in: equipment, ductwork, diffusers and grilles, hydronic and refrigerant piping, controls and BAS, testing and balancing, commissioning, permits, and closeout. A complete HVAC bid translates the M-series drawings, equipment schedules, controls schematics, and Division 23 specifications into a price that is defensible, traceable, and easy to evaluate against competing bids.
Most HVAC contractors lose margin not by miscounting diffusers but by missing scope. Controls and BAS are overlooked, rigging and roof-curb costs are forgotten, T&B is left off the bid, exclusions are not written down, or equipment pricing is stale by the time the bid is awarded. A bid template that walks through every category in order, captures rigging and T&B explicitly, and ties the price back to a current takeoff is a bid template that wins work without leaving margin on the table.
On well-run mechanical jobs the bid is tightly aligned with the HVAC takeoff and the bill of quantities. Modern HVAC estimators are moving away from manual count tools and toward AI-driven takeoff so they can bid more projects, refresh equipment pricing more often, and protect their hit rate without burning out the estimating team.
Every HVAC bid should cover these scope categories
Rooftop units, air handlers, condensing units, chillers, boilers, fan coils, VAV boxes, and pumps with model numbers and capacities
Supply, return, and exhaust ductwork by gauge and material, fittings, dampers, fire and smoke dampers, and acoustic lining where required
Air distribution devices by type, size, finish, and connection requirements per the schedules and reflected ceiling plans
Hot water, chilled water, condenser water, refrigerant line sets, insulation, hangers, and freeze protection where required
Building automation system devices, sensors, actuators, programming, graphics, and integration with existing building systems
Independent third-party T&B, air and water balancing reports, and any required acceptance testing
Functional performance tests, points-list verification, and the documentation required for closeout and LEED if applicable
Mechanical permit, manufacturer-supervised startup, warranty registration, training, O&M manuals, and as-built drawings
A realistic HVAC bid for a 24,000 SF commercial space with rooftop units and VAV
| Scope Category | Material | Labor | Subtotal |
|---|---|---|---|
| Project: Northgate Office Building — 24,000 SF, 4 RTUs, 28 VAV, Class-A Office — Bid Date 03/22/2026 | |||
| Major Equipment (4 RTUs, 25-ton each) | $148,000 | $22,400 | $170,400 |
| Roof Curbs & Rigging | $14,800 | $11,200 | $26,000 |
| VAV Boxes (28 ea, w/ reheat coils) | $42,000 | $18,200 | $60,200 |
| Ductwork (Supply, Return, Exhaust) | $58,400 | $78,200 | $136,600 |
| Diffusers, Grilles & Registers (164 ea, 6 types) | $12,400 | $8,800 | $21,200 |
| Hot Water Piping (reheat coils) | $18,200 | $22,400 | $40,600 |
| Refrigerant & Condensate Lines | $8,200 | $10,800 | $19,000 |
| Controls & BAS (DDC, programming, graphics) | $48,200 | $28,400 | $76,600 |
| Testing, Adjusting & Balancing (3rd party) | $14,200 | — | $14,200 |
| Commissioning Support | $3,400 | $5,800 | $9,200 |
| Permits, Startup & Closeout | $4,200 | $7,400 | $11,600 |
| Subtotal Direct Cost | $372,000 | $213,600 | $585,600 |
| Small Tools, Equipment & Supervision | $32,400 | ||
| Overhead (8%) & Profit (10%) | $111,240 | ||
| Total Lump-Sum Bid | $729,240 | ||
| Schedule | 120 working days from Notice to Proceed; equipment delivery week 8; rough-in complete week 14; T&B and commissioning weeks 22-24 | ||
| Exclusions | Roof structural reinforcement, electrical disconnects beyond unit, gas piping by plumbing contractor, fire/smoke damper UL hardware retrofits, after-hours work, special inspections by others, any work outside Division 23 | ||
| Bid Validity | 60 days from bid date; RTU pricing locked through 06/15/2026 with manufacturer escalation thereafter | ||
Equipment, controls, T&B, and commissioning priced explicitly · Categories aligned with takeoff · Exclusions documented in writing
Open the mechanical drawings, the equipment schedules, the controls schematics, and the Division 23 specifications side by side. The drawings show what is installed where, the schedules tell you what equipment is specified, the controls schematics define the points list, and the spec defines acceptable manufacturers and installation standards. Reading them together prevents the most common HVAC bid error: pricing the equipment shown on the floor plans but missing the controls scope or the T&B requirements that live in the spec.
Start with the equipment list because the equipment cost dominates most HVAC bids. Then take off ductwork by zone, by gauge, and by length, with fittings counted separately. Diffusers, grilles, and registers are taken off from the reflected ceiling plans and the air distribution schedule. Hydronic and refrigerant piping comes off the riser. Categorize the work as you go so you can total each category against the bid form.
Rooftop units, air handlers, chillers, and major equipment are increasingly long-lead and price-sensitive. Get firm quotes from one or two manufacturers for the bid period and confirm the lead times. A bid built on stale equipment pricing or unrealistic lead-time assumptions can win the job and immediately fall behind the schedule. Lock in pricing in writing or build escalation into the bid.
HVAC labor splits into sheet-metal and pipefitter trades, each with its own productivity rates. Use a labor-unit book or your historical productivity for each trade and adjust for project conditions. Tenant fit-out is faster than new construction, occupied buildings are slower, and tight ceilings or congested mechanical rooms drag productivity. Document your labor assumptions so the bid stays defensible during negotiation.
On top of equipment, ductwork, piping, controls, and labor, add small tools, lift and rigging rental, supervision, fringe benefits, overhead, and profit. Add bond if required and a contingency for unknowns. HVAC contractors often forget rigging or roof-curb scope on rooftop units, which can run thousands of dollars per unit. Use a fixed checklist and run it on every bid.
List what is not included: roof curbs and structural supports beyond the equipment, electrical disconnects beyond the unit, piping insulation outside the mechanical room, after-hours work, special inspections by others, and anything outside Division 23. List your assumptions: building access during normal hours, freight elevator availability, structural penetrations cut by others, and engineered shop drawings approved before installation. A clean exclusions list protects margin without making the bid look uncompetitive.
HVAC bids stand or fall on the takeoff and equipment quotes. See how AI-powered construction takeoffs and construction bidding software let mechanical contractors bid more projects without expanding the estimating team.
Controls scope lives in a separate set of schematics and a controls specification, often Division 25. Bids that price equipment and ductwork but skip the controls and BAS scope come back as five- or six-figure change orders the moment the GC reads the bid letter. Always confirm whether controls are in or out of the HVAC scope and price accordingly.
Major HVAC equipment is long-lead and price-volatile. A bid built on three-month-old pricing wins the job and loses margin the day the equipment is ordered. Refresh manufacturer pricing for the bid period and lock in the price in writing if the lead time is long. Build escalation into the bid for anything you cannot lock down.
Rooftop units need cranes, rigging, and roof curbs, none of which are inside the unit price. Bids that quote only the equipment and ductwork miss thousands of dollars per RTU. List rigging, equipment rental, and roof-curb scope explicitly so the bid covers what it takes to actually install the work.
On most commercial HVAC scopes, T&B is required and commissioning is increasingly required. T&B is usually a third-party service the HVAC contractor pays for and coordinates. Bids that forget T&B or commissioning either absorb the cost after award or generate change orders. Include both as line items with assumptions about who pays and who coordinates.
Plugging book labor units into a tenant fit-out with tight ceilings, an occupied renovation with dust controls, or a project with restrictive working hours leads to a labor number that cannot be earned in the field. Adjust labor units for project conditions or your foreman will live in the negative variance column for the entire job.
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A: An HVAC bid is the formal price submission a mechanical contractor sends to a general contractor or owner for a defined HVAC scope on a construction project. It typically includes the lump-sum or unit price for the work, a breakdown by category (equipment, ductwork, piping, controls, T&B, commissioning), a list of inclusions and exclusions, the project schedule, and the qualifications and assumptions that the price is based on. The bid is the document the GC reads to compare offers and the document the project relies on after award.
A: HVAC estimating starts with a quantity takeoff from the M-series drawings, equipment schedules, controls schematics, and Division 23 specifications. List the equipment from the schedules, take off ductwork by zone, count diffusers and grilles from the RCPs, and take off hydronic and refrigerant piping. Get manufacturer pricing for the major equipment. Calculate labor with sheet-metal and pipefitter productivity. Add small tools, rigging, supervision, overhead, profit, and bond. The most common errors are missing controls scope, stale equipment pricing, and forgetting rigging or roof-curb scope.
A: A complete HVAC bid covers the equipment schedule with model numbers and capacities, ductwork and accessories, diffusers and grilles, hydronic and refrigerant piping, building automation controls, testing and balancing, commissioning support, permits, startup, training, warranty, and closeout. Each category should be priced and listed so the GC and owner can see what their dollars are buying. The bid should also state the schedule, exclusions, and the assumptions the bid is based on.
A: For a small commercial tenant fit-out a complete HVAC bid can be assembled in two to three days by an experienced estimator. For a larger commercial or institutional project a thorough bid often takes two weeks, especially when major equipment quotes have to be sourced from manufacturers. Teams using AI-powered takeoff tools cut takeoff time substantially because the count of diffusers, grilles, and ductwork comes out of the drawings rather than from manual highlighting in PDF.
A: In commercial construction the terms are often used interchangeably, but a mechanical bid usually covers a broader scope including HVAC, plumbing, and sometimes process piping. An HVAC bid is the heating, ventilation, and air-conditioning portion. On smaller projects or design-build pursuits, a mechanical bid may cover all of HVAC plus plumbing. On larger commercial projects, plumbing is typically bid separately. Confirm the scope boundaries before pricing so there is no overlap or gap with the plumbing contractor.
A: Usually yes, but the boundaries vary. On many commercial projects, the HVAC contractor includes the controls and BAS scope and either self-performs or hires a controls subcontractor. On larger or more complex projects, controls are bid as a separate trade. Read the bid documents to confirm. Whatever the arrangement, the bid letter should state explicitly whether controls and BAS are included and what programming, graphics, and integration are part of the scope.
A: Testing, adjusting, and balancing (T&B) is the process of measuring and adjusting the airflow and water flow through the HVAC system to match the design quantities. T&B is performed by an independent certified T&B contractor and produces a balancing report that documents the as-installed performance. Most commercial HVAC scopes require T&B, and the cost is usually carried by the HVAC contractor. Include T&B as a separate line item in the bid with the assumption that the T&B contractor is independent.
A: Yes. BuildVision AI reads mechanical drawings, equipment schedules, and the project specifications, performs the takeoff for ductwork, diffusers, grilles, and equipment, builds the bill of quantities, and produces a structured bid that breaks scope down by category. Your estimating team applies current manufacturer pricing, your sheet-metal and pipefitter labor units, and your overhead and profit assumptions. The result is more bids submitted in a week without expanding the estimating team and tighter margin protection on the work you take.
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