25996 reviews
HVAC & Fuel Line Contractors
74/100 Home Generator Index Score
- Says about 14 years going
- Says it is licensed
- Says it is an ECRA/ESA licensed electrical contractor
Mapped to MarkhamOpen Mon to Fri
Best HVAC & Fuel Line Contractors in Markham (2026)
Last updated:ByStandby Power Desk
7 HVAC and fuel line contractors serving Markham, compiled August 2026.
26,927 reviews on the 7 with 3+ · median 4.9★ of those · typical $1,200–$2,200 per project (CAD) (RenoHouse) · availability year-round
Which HVAC and fuel line contractors rank highest in Markham?
All 7 HVAC and fuel line contractors Home Generator Index tracks in Markham, in rank order. Placement cannot be bought. How the score is built.
- 556 reviews
HVAC & Fuel Line Contractors
69/100 Home Generator Index Score
- Says it has been going since 2008
- Says it is licensed
Mapped to MarkhamOpen 24 hours daily - Mapped to MarkhamOpen 7 days
- Mapped to MarkhamOpen 24 hours daily
- Mapped to MarkhamOpen Mon to Fri
- Mapped to MarkhamOpen Mon to Sat
- Mapped to MarkhamHours not stated
An August 2026 sweep of public listings put 7 HVAC and fuel line contractors in Markham. Together they average 4.77★ on Google across 26,927 reviews. The median company carries 101 Google reviews, enough service history to judge how a crew behaves on a callback, and the formula weighs volume as well as stars.
What a Markham gas line and HVAC work job is quoted at
Quotes follow the job, not the postcode.
Frequently asked questions
Are there enough HVAC and fuel line contractors in Markham to compare?
- 7 companies in the August 2026 dataset take gas line and HVAC work work in Markham, averaging 4.77★ on Google, the middle company sitting on 101 reviews. Shortlist three and ask each to put the scope in writing before you compare any numbers, because two quotes for the same address can describe two different jobs.
Questions to ask your contractor
- Is your gas fitter TSSA certified, and whose name is on the gas work?
- Can you run the gas load calculation for the meter before I choose a unit? Gas line cost benchmarks
- Is the quote priced for natural gas or propane?
- How many jobs like mine have you finished in this area in the last year?
- If the meter needs upsizing, who submits that to the utility?
- Who fixes it if the gas inspection fails, you or the electrician?
- What do you charge for a site visit if I do not go ahead?