Chimney & fireplace
Wood Stove Installation Cost Calculator
Prices the installation, where clearances and the hearth are what the inspector checks.
Result
A planning estimate, not a quote. Access, the age of the equipment, what is found once it is opened up and local labour rates all move the real figure, sometimes a long way.
Get a Free Business AuditHow the calculation works
Hours times crew times rate, plus venting, hearth materials and the call-out. The installation is the chimney system, the hearth pad, the connector pipe, the wall or ceiling pass-through, and setting the appliance at its listed clearances. The pass-through is a specific component rather than a hole: a wall thimble or ceiling support box maintains clearance between the hot pipe and the framing, and it is both a listed part and the thing most likely to be improvised.
What moves the number
- Whether the chimney goes up through the building or out through a wall.
- Number of offsets, since every bend reduces draught and adds parts.
- Hearth pad construction to the listed specification.
- Whether the location allows the required clearances without alteration.
Where this one goes wrong
The wall or ceiling pass-through is where improvised installations cause fires. The connector pipe is hot, and passing it through framing needs the listed thimble or support box that maintains the specified air space, not a sleeve made on site. Similarly, single-wall connector pipe has larger clearance requirements than double-wall, and substituting one for the other without rechecking clearances is a common error. Keep the appliance's installation instructions on site as the controlling document, since the inspector will work from them, and get the permit rather than discovering at sale that the installation was never approved.
Before you quote
- Use the listed thimble or support box at every pass-through.
- Recheck clearances if connector pipe type changes.
- Keep the manufacturer's instructions on site as the controlling document.
- Get the permit and inspection rather than installing unapproved.
Where the rules come from
Questions
About this calculator
Can the stove pipe pass through a wall without a special fitting?
No. A listed wall thimble or ceiling support box maintains the required air space between the hot connector pipe and the framing. Improvising a sleeve is one of the clearest causes of fires from stove installations, and it is specifically what an inspection looks for.
Does single-wall or double-wall pipe matter?
Considerably, because they have different clearance requirements. Double-wall connector pipe may be installed closer to combustibles than single-wall. Substituting one for the other without rechecking the clearances is a common error that leaves the installation outside the listing.
Do I need a permit to install a wood stove?
In most jurisdictions yes, with an inspection, and it is worth having. It verifies clearances, the hearth and the venting, which are exactly the things that cause fires when wrong. An unpermitted installation can also become a problem at sale or on an insurance claim.
The formula
total = hours x people x rate + parts + call-out, then sales tax
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How to use this calculator
- Hours on site (h). Enter your own figure; the page starts at 2 h.
- People needed. Enter your own figure; the page starts at 1.
- Labour rate charged ($). Enter your own figure; the page starts at $125.
- Parts and materials ($). Enter your own figure; the page starts at $65.
- Call-out or diagnostic fee ($). Enter your own figure; the page starts at $95.
- Sales tax (%). Leave at zero if you are quoting before tax.
The result updates as you type, so you can try a figure, see what it does to estimated total, and change it back. Nothing you enter is sent anywhere or saved.
A worked example
These are the figures the calculator opens with. Every number in the results column below is produced by the same calculation the page runs, so you can follow it through before putting your own figures in.
What goes in
| Input | Value |
|---|---|
| Hours on site | 2 h |
| People needed | 1 |
| Labour rate charged | $125 |
| Parts and materials | $65 |
| Call-out or diagnostic fee | $95 |
| Sales tax | 0% |
What comes out
| Result | Value |
|---|---|
| Estimated total main result | $410 |
| Labour | $250 |
| Before tax | $410 |
| Sales tax | $0 |
About $410: $250 of labour, $65 of parts and a $95 call-out.
How sensitive the answer is
Holding everything else steady and changing only labour rate charged, this is what happens to estimated total. It is worth knowing which of your inputs the answer actually hinges on, and which barely move it.
| Labour rate charged ($) | Estimated total |
|---|---|
| $63 | $286 |
| $94 | $348 |
| $125 example above | $410 |
| $188 | $536 |
| $250 | $660 |
Every other input is held at the example value while this one changes, which is not how a real job behaves. Treat it as a guide to which number matters most, not as five separate quotes.
What each figure means
- Hours on site (h)
- Measured in h, between 0 and 400, starting at 2 h.
- People needed
- A number, between 0 and 40, starting at 1.
- Labour rate charged ($)
- A money amount, starting at $125.
- Parts and materials ($)
- A money amount, starting at $65.
- Call-out or diagnostic fee ($)
- A money amount, starting at $95.
- Sales tax (%)
- Leave at zero if you are quoting before tax.
What the results tell you
| Result | What it is |
|---|---|
| Estimated total | The headline result. A money figure. |
| Labour | A money figure. |
| Before tax | A money figure. |
| Sales tax | A money figure. |
Estimating is the easy part
The jobs you never hear about cost more than the ones you mis-measure. BDEVY builds the marketing, systems and automation that bring them in.