Planning ranges for water heaters, furnaces, and gas service calls, plus a range finder that asks what you can actually see, not what you can name.
Every figure on this page is an estimated market range in Canadian dollars, not a quoted price. A licensed technician confirms the scope and gives you a quote before any work begins.
Answer two or three questions about what you can see, not pipe diameters, and get a planning range, the closest scenario, and the conditions most likely to move the number. “Not sure” is a valid answer everywhere.
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Pick a category and answer the situation question. You’ll get a planning range, the closest plain-language scenario, and the conditions most likely to move it.
Two homeowners call about replacing a water heater. On paper it’s one job. In the mechanical room, it’s two.
Nothing went wrong in the second house. The scope was simply larger the moment the cabinet door opened. That’s why a phone number is a planning number, and the quote comes after someone looks. The variables are consistent across almost every job: repair vs. replace, who supplies the fixture, whether existing valves and lines are reusable, access, and whether code or permit work is triggered. Hourly math isn’t what drives the difference.
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The single biggest driver is what you already have. The venting, gas capacity, and electrical supply in your utility room were built around that system. Not sure which one is yours? Look at the top of the tank:
No burner, no vent pipe on top.
A metal vent pipe rising toward a chimney.
A small fan and a plastic pipe running out through a wall.
No tank at all, just a box on the wall.
The connections are already sized and routed for your system, so the work is removal, placement, and reconnection. More on the water heater installation page.
Natural draft to power vent or tankless can involve new venting, a larger gas line, an electrical outlet that was never there, and clearance requirements. Conversions are confirmed on site, not quoted from a category.
Worth considering if you run out of hot water regularly, want the floor space back, or plan to stay long enough for the efficiency to matter. A larger upfront number, and the branch where an on-site assessment changes the answer most often. See tankless water heaters.
Furnace pricing splits into three very different jobs: a repair visit, an annual tune-up, and a full replacement. A no-heat call is usually a failed igniter, flame sensor, or capacitor, which sits at the bottom of the repair range. Replacement scales with the efficiency tier and the state of your venting and ductwork.
Gas work is licensed work: hookups, new lines and modifications are done by certified gas technicians and finish with a pressure and leak test. Pricing follows the run: connecting an appliance to an existing line sits at the low end, and a new line run scales with distance, wall penetrations and meter capacity.
If you smell gas right now: do not use switches or phones inside, leave the home, and call your gas utility's emergency line and 911 from outside. A service visit comes after the utility has made the site safe.
Whoever you hire, a good written quote answers these without you having to ask. Got a quote in hand? Tap the ones yours already answers.
The last two get skipped more often than anything else on the list, and they’re the two most likely to change what you actually pay.
A cost range helps you plan, but two situations skip the planning stage: if you smell gas, leave the home and call your gas utility’s emergency line and 911 from outside before anything else; and if the heat is out in an Ottawa winter or a water heater is actively leaking, call rather than compare ranges. Priority visits exist for exactly these.
If you’re comparing quotes, the useful comparison isn’t the number by itself. It’s the number next to what’s included, what happens if something turns up behind the wall, and who puts the space back the way it was. You can read how upfront quoting works on the upfront online estimates page.
Real jobs, real photos. On the live page this section pulls the latest completed projects automatically.
The old tank had been leaking for a while, and rust staining had worked its way down the wall behind it. We replaced it with a new 60-gallon Bradford White electric unit and added a proper shut-off valve, so the water can be isolated quickly if anything ever needs attention.
The furnace stopped mid-January and the house was cooling fast. The diagnostic found a failed flame sensor; cleaned contacts and a new sensor had heat back the same visit, with a safety inspection before we left.
A kitchen renovation swapped electric for gas. We ran the new line from the basement, connected the range, and finished with a full pressure and leak test before the countertop crew came back in.
Short answers. Every figure is an estimated range, confirmed by a quote before work begins.
