2026 Cost Guide · Markham
Gas Conversion Cost in Markham — 2026 Pricing Guide
Here's how Markham homeowners actually approach gas conversion in 2026, based on what our field crews see every week. Deeper freeze depths mean liner condensation and cap ice-loading. Below: what to expect, real numbers, and the questions worth asking before you book.
Quick answer
Gas Conversion in Markham typically costs $872–$1,396, with complex jobs reaching $2,268. Fixed-price quotes, no travel fee inside Markham.
Typical
$872–$1,396
Duration
1 day
Freeze-thaw
67/yr
Line items to look for on a quote
A clean gas conversion quote itemises: labour hours, materials with brand names, dump/haul fees, permits (where required), and a written warranty term. Anything lumped as "misc" or "shop supplies" over 5% is worth questioning.
Why Markham pricing differs from neighbouring cities
Markham's 72% natural gas mix drives which gas conversion scopes come up most. 8% of the housing stock predates 1960, which is why gas conversion jobs here average slightly more site prep than newer suburbs.
What Gas Conversion actually costs in Markham
Straightforward conversion on a typical Markham home runs $872 to $1,396. Complex jobs — multi-storey access, heritage masonry, or downtown parking — push the top end toward $2,268. The variance is almost always access, not the work itself.
Common questions
When's the best time of year for gas conversion in Markham?
Late September through mid-November with Markham averaging 148cm of snow starting December. Spring (April–May) is the second window and often 10–15% cheaper.
What if it rains or snows on the booking day?
Roof-side work reschedules to the next dry window at no charge. Interior scopes (firebox, damper, appliance) proceed regardless.
Do you service condos and heritage homes in Markham?
Yes. Condo boards in Markham typically want a scope letter and insurance certificate 48 hours out; heritage properties need product substitutions we pre-source.
Are you WETT and WSIB certified?
Yes — WETT SITE-Comprehensive #C-46082, CSIA #12408, and active WSIB #7248194. Certificates emailed on request before the job.
What warranty do you offer on gas conversion in Markham?
Five-year written workmanship warranty on materials and labour, transferable to a new homeowner within that window. Manufacturer warranties on any installed products pass through separately.
Do you offer same-day gas conversion in Markham?
Usually — call before 9am and we'll confirm a same-day arrival window inside Markham for most standard scopes.
How much does gas conversion cost in Markham?
Most Markham jobs land between $872 and $1,396. Complex access or heritage masonry can reach $2,268. We quote fixed price after a free on-site scope.
How long does gas conversion take in Markham?
1 day is typical for a straightforward job. Bookings in dense downtown zones add 15–20 minutes for parking and staging.
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