- Coverage
- Canadian market & registry
- Reviewed
- 11 October 2026
- Price
- Scope-specific written quote
- Reliability
- Evidence, not invented scores
Why furnace prices differ: explain every part of the premium
Separate equipment features, necessary installation work, support and financing.
Equipment premium: what changes in the box?
Two quotes may specify different capacities, burner stages, blowers or controls. Ask for full model numbers and the exact benefit of the upgrade. A small AFUE increase is not automatically a large bill saving. Compare the fuel-saving calculation separately from a comfort or diagnostic feature.
A communicating control, new coil or heat-pump pairing may change both equipment and setup costs. If the quoted feature depends on an accessory, that accessory should be named and included. Brand reputation alone is not an itemized explanation of a premium.
Installation premium: what extra work is being done?
Vent length and routing, condensate drainage, duct transitions, return-air improvements, electrical work and access can change labour and materials. Ask the contractor to identify the observed condition and the proposed remedy. A difficult basement removal or finished chase is a concrete explanation; “your house is three storeys” is incomplete.
Check whether disposal, commissioning, finish restoration and applicable permits are included. A low quotation can be incomplete, and a high quotation can contain unnecessary work. The useful question is which work is required and how that was established.
Support and payment terms
Parts coverage, labour coverage, after-hours service and a third-party service agreement are different commitments. Identify the provider and exclusions. A longer labour promise can change the price without changing the furnace itself, but the cost and coverage should be explicit.
Compare cash totals on the same tax basis before discussing monthly payments. Financing cost, rental obligations and uncertain rebates can distort a headline figure. Request the complete payment terms and keep proposed incentives separate from the undiscounted installed price.
A worked comparison, clearly hypothetical
Suppose two tax-exclusive proposals total CAD 4,500 and CAD 7,000. The difference is CAD 2,500. An illustrative breakdown could be CAD 900 for different equipment and controls, CAD 500 for duct work, CAD 400 for venting, CAD 250 for electrical changes and CAD 450 for additional labour coverage. These invented allowances explain the arithmetic; they are not market prices or recommended charges.
The next step is to test each explanation against the actual house and contract. If a category is unnecessary, omitted or duplicated, revise the comparison. If a large difference remains unexplained, get a second opinion. The itemized quote tool records your own figures and shows any part of the difference that remains unallocated.
Sources & verification
Research snapshot: 11 October 2026. Confirm the current complete model, Canadian supply and warranty before purchase.