暖气炉要多大？

按公开资料，2,000 平方英尺左右的房子一般用 60,000–80,000 BTU，1,000–1,500 平方英尺用 40,000–60,000 BTU；具体要师傅做负荷计算。

换暖气炉有政府补贴吗？

安省 Home Renovation Savings 补贴的是热泵等节能设备，没有列出普通燃气炉和中央空调；联邦 Canada Greener Homes 贷款已于 2025 年 10 月 1 日停止申请。

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Furnace Replacement Cost in Markham

Furnace Replacement in Markham typically costs $4,000 – $7,500

High-efficiency gas furnace (over 95%, direct replacement) · excludes 13% HST · quoted in 2026 year 10 month

In Ontario, roughly 2,000 sq ft houses replacement with 95%+ high-efficiency gas Furnaces usually costs $5,000–$7,500; duct or gas pipe changes or emergency winter replacements cost more.

Estimate your project

Furnaces type

Do the ducts need modification?

When to replace

Estimate $4,000 – $7,500 (before tax)

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Price ranges

Furnaces type	Price
High-efficiency gas furnace (over 95%, direct replacement) Most common	$4,000 – $7,500
Modulating high-efficiency gas furnace Costs $1,500–$2,500 more than standard high-efficiency furnace	$5,500 – $10,000

Furnaces type

Price

High-efficiency gas furnace (over 95%, direct replacement)

Most common

$4,000 – $7,500

Modulating high-efficiency gas furnace

Costs $1,500–$2,500 more than standard high-efficiency furnace

$5,500 – $10,000

Usually includes: Old furnace removal, new high-efficiency gas furnace, reconnecting onsite, and labor (onsite replacement rates). HST 13% not included.

What affects the price

Season: Emergency winter replacements cost more than off-season $20–$50%
Ductwork modifications. about $300–$1,500
Fuel, gas pipe, and exhaust replacement: about $1,500–$3,500 or more
Permits: Municipal permits typically $90–$350; gas work must be done by TSSA-certified contractors.

Local notes for Markham

No public data for Greater Toronto Area cities separated Furnaces prices.
Gas equipment in Ontario (gas Furnaces, gas Water Heaters) must be installed by TSSA-registered contractors; someone was fined over $7,000 for unauthorized gas Furnaces installation without TSSA approval (TSSA Enforcement Notice).

Saving money & avoiding pitfalls

If possible, replace before autumn to avoid urgent winter orders.
When comparing quotes, ask about furnace efficiency, brand/model, and warranty (parts/labor duration).

FAQ

How big is Furnaces?

Based on public info, a 2,000-sqft house typically requires 60,000–80,000 BTU, and 1,000–1,500 sqft needs 40,000–60,000 BTU; exact load calculation needed from technician.

Is there government subsidy for Furnace Replacement?

Ontario Home Renovation Savings subsidy covers heat pumps and energy-efficient equipment, excludes standard gas furnaces and central AC; federal Canada Greener Homes Mortgages & Loans closed applications on 2025 year 10 month 1 day.

Sources

Public sources used for the prices on this page (10/2026). Sources measure differently, so we use the range where most of them overlap. For reference only — actual quotes from pros take precedence.

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