Why US ductwork rates do not translate to Canadian jobs

What to take away

Why a US price list cannot survive the border

A US price list is a photograph of a different market. It carries US wages, US code references and a US equipment supply chain. Move it to a Canadian job and every one of those assumptions fails.

Take a furnace priced in Texas. That list price already contains the manufacturer's margin, freight to a US distributor and whatever promotion was running that quarter. By the time the same unit reaches a Canadian job site, the number has changed twice.

Then comes the code layer. CSA B149 governs natural gas and propane appliance installation in Canada, including clearances, venting and combustion air. CSA F280 covers residential ventilation and the duct sizing that delivers it. Neither standard exists in the same form south of the border.

Labour is the third layer. Provincial regulators decide who may legally install ductwork and connect gas appliances. A US list assumes a labour pool that does not match yours.

If you are new to quoting, start with compliance before you touch a price. A hvac contractor compliance checklist shows which rules apply before you build the number.

Currency exchange and tariffs on HVAC equipment

Exchange is the first thing that breaks a US price list. Most HVAC equipment sold in Canada is imported or priced against US manufacturer lists. When the Canadian dollar moves, your cost moves with it.

A guide printed at par is wrong the moment the rate shifts. A weaker dollar raises your CAD cost. A stronger dollar lowers it, but a competitor may still be quoting from the old rate.

Tariffs add a second layer. Canada's countermeasure lists are published by the Department of Finance and enforced by the CBSA. They apply a 25 percent surtax to the US-origin goods named by HS code.

British Columbia has published its own response, including procurement and support measures for affected businesses. The B.C. response to unjustified U.S. tariffs is worth reading if you buy US-made equipment or components.

Ductwork materials usually clear under Chapter 73 for steel duct, fittings and hangers, for example HS 7306.90 for welded steel tube and pipe, and Chapter 76 for aluminium equivalents. Air conditioning equipment sits under HS 8415, and fans and blowers under HS 8414.

Most US-origin goods enter duty free when they qualify under CUSMA, so the ordinary duty question and the surtax are separate. Check the current countermeasure list against the code on your supplier's paperwork.

Duty does not land evenly. Some components face it, some do not, and the classification of a shipment can change the landed cost. A US price list cannot show this because it was never built for cross-border trade.

Freight and brokerage belong to the same story. Cross-border shipping adds customs clearance, bonding and sometimes storage. Those costs land on your invoice, not on the manufacturer's list.

Convert every quote to CAD at the rate you will actually pay, then add duty, freight and brokerage. Only then is the number real. For how equipment choices shape your cost base, see hvac contractor equipment.

CSA B149 and CSA F280 change the labour, not just the parts

CSA B149 is the Canadian installation code for natural gas and propane appliances. It sets clearances, venting requirements, combustion air rules and who is qualified to do the work. Provinces adopt and enforce it through their own regulations.

CSA F280 is the residential ventilation standard. It sets out how to calculate a house's ventilation needs and how to size the duct system that delivers that air. Miss it and you can fail inspection or hand the homeowner a system that never performs.

Both standards change the job. B149 can require different venting materials, extra clearance or a different flue arrangement. F280 can require larger ducts, different fittings or a full rebalance.

A US price list mentions neither. It may cite US codes that look similar, but clearances, vent termination rules and ventilation calculations are not identical.

The CCOHS standards page is a useful reference for trade standards that apply to ductwork installation and related work. You can find it at CCOHS: Standards.

Provincial building codes and the National Energy Code for Buildings add more. Some provinces adopt the NECB directly; others modify it. Duct sealing, insulation values and air leakage targets can all change the specification.

Natural Resources Canada also sets efficiency regulations that decide which equipment you may legally install. A furnace or air conditioner permitted in one province may be restricted in another if it misses the applicable efficiency tier.

Provincial licensing: no single Canadian ductwork ticket

There is no national ductwork licence. Each province runs its own trades regulation, and they differ on who must be certified, what work is covered and how the licence is enforced.

Ontario regulates sheet metal work and refrigeration as compulsory trades in many contexts. British Columbia handles certification and apprenticeship through SkilledTradesBC. Quebec licenses contractors through the Régie du bâtiment du Québec, known as the RBQ, and sets qualification requirements on top.

Alberta, Manitoba, Saskatchewan, Nova Scotia and Newfoundland and Labrador each run their own systems. Some require a journeyperson on site for certain scopes. Some allow apprentices under supervision. Some require a separate gas licence on top of the trade certificate.

This changes your labour rate, because the rate reflects the credential the job demands. A US price list cannot tell you whether the crew needs a certified gas fitter, a sheet metal journeyperson or both.

It also changes your liability. Unlicensed work can bring fines, stop-work orders or worse. The CCOHS acts and regulations page explains how workplace safety legislation interacts with trade compliance, and you can read it at CCOHS: Acts and Regulations.

Confirm which credentials your province requires for the specific scope before you quote. A residential duct replacement and a commercial rooftop connection rarely need the same qualifications. Price for the highest credential the job demands.

Labour burden: wages, WSIB, EI and CPP

Labour is the largest variable in a ductwork quote, and Canadian rates do not match US rates. Wages differ by province, by trade and by whether the work is residential or commercial.

Ontario sheet metal journeyperson wages commonly sit in the CAD 40 to 52 an hour range. Non-union residential installers are typically lower, and commercial work runs higher than residential.

Workers' compensation boards add a cost US price lists rarely show. Every province runs its own. WSIB in Ontario and WorkSafeBC in British Columbia are two examples; Alberta, Quebec, Manitoba, Saskatchewan and the Atlantic provinces each have their own.

Both publish rates per CAD 100 of payroll. Ontario construction rate groups commonly fall between about CAD 2.50 and CAD 7.00. WorkSafeBC construction subsectors typically sit between about CAD 1.50 and CAD 5.00.

Premium rates depend on your industry classification and your claims history. Ductwork contractors usually fall under construction or sheet metal work. A clean record lowers your premium; a poor one raises it.

A rate of CAD 4.00 per CAD 100 of payroll adds CAD 40 to every CAD 1,000 of wages. On a CAD 45 hour that is about CAD 1.80, before CPP, EI and vacation pay.

These premiums are overhead. Leave them out of your hourly rate and you subsidise the job. The same goes for Canada Revenue Agency obligations: GST/HST registration, input tax credits and payroll deductions all affect cash flow.

Input tax credits can recover some of the tax you pay on materials and equipment, but only if you track it. That is a bookkeeping task with a real dollar value attached.

For how overhead feeds into your price, see how to price hvac contractor services. It covers the difference between charging what the market will bear and charging what the job actually costs.

Worked example: rebuilding one US quote in Canadian dollars

Suppose a US guide prices a residential duct replacement at a single figure. Here is how that number changes on a Canadian job in Ontario or Alberta.

Take USD 6,500 as the equipment and material figure and an exchange rate of 1.40, inside the roughly 1.35 to 1.45 band USD/CAD has traded in recently.

The table below rebuilds the job line by line. Every figure is illustrative; your exchange rate, wage, rate group and municipality set the real ones.

Start with equipment. Convert the US list price to CAD at the rate you will pay. Add any applicable duty, then freight and brokerage. That is your landed equipment cost.

Next, labour. Replace the US hourly rate with your provincial rate for the credential the job requires. Add the workers' compensation premium for your classification, then CPP and EI contributions.

Then materials. Duct board, fittings, sealants and hangers are priced differently here. Some are imported, some are made domestically. Check supplier invoices, not a US guide.

Finally, code-driven extras. B149 may require a different vent configuration. F280 may require a larger duct or a rebalanced system. Both add labour and material.

Compare the rebuilt total to the US figure. The difference is the gap the US price list hides.

Applied to the example above, USD 6,500 converts to CAD 9,100 and the rebuilt job lands near CAD 11,300. About CAD 2,200 of cost never appears on the US list.

If the job turns on capital cost, new vs used hvac contractor equipment explains how that choice affects the quote.

Permit and inspection fees are set locally, so no national rate exists. Ontario municipalities handle residential mechanical permits through their building departments, and a small duct job commonly lands in the CAD 150 to CAD 400 band.

Gas work needs a separate TSSA permit in Ontario and a Technical Safety BC permit in British Columbia. Alberta permits come from the municipality or an accredited safety codes agency, often on a sliding scale tied to job value. Quebec and the Atlantic provinces each run their own system.

Call the authority having jurisdiction and get the fee in writing before you quote.

Building a Canadian ductwork price list from your own data

A Canadian price list starts with your invoices, your payroll and your provincial rules. Not a US guide, not a forum post, not a manufacturer's US list.

A checklist keeps you from missing a line.

Starting a contracting business from scratch? The federal guide at Starting a business covers registration, tax accounts and the basics of operating in Canada.

For federal statutes that touch your contracts and employment obligations, the Justice Laws Website is the authoritative index.

For how pricing decisions affect profit, see hvac contractor pricing. It covers the difference between winning work and making money on it.

Common questions

Why can't I just convert a US price list to Canadian dollars?

Because exchange is only one variable. Duty, freight, provincial licensing, CSA B149, CSA F280 and workers' compensation premiums all change the number. A straight conversion leaves most of the cost out.

Does CSA B149 apply to ductwork or only to gas appliances?

CSA B149 governs gas and propane appliance installation, including venting and combustion air. Ductwork connected to those appliances must meet the code's requirements. CSA F280 separately covers ventilation and duct sizing for residential buildings.

Do I need a licence to install ductwork in every province?

No, the rules differ. Some provinces regulate sheet metal work as a compulsory trade; others require certification for specific scopes. Quebec uses the RBQ system, Ontario and British Columbia have their own regulators, and the Prairies and Atlantic provinces each set their own requirements.

How do workers' compensation premiums affect my hourly rate?

They are a percentage of payroll, so they add to the true cost of every labour hour. Rates vary by province, by rate group and by claims history.