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High Heat Gas ServicesHVAC contractor in Markham, ON

High Heat Gas Services is an HVAC contractor at 400 Don Park Rd #10, Markham, ON L3R 1C6, ranked #42 of 813 HVAC contractors in Markham and rated 5.0 from 53 Google reviews. Open 24 hours a day, 7 days a week.

Markham, ONUpdated 0 paid placements in any rankingHow we rank

Call (647) 558-9948Website ↗

Key facts

Key facts about High Heat Gas Services
Address400 Don Park Rd #10, Markham, ON L3R 1C6Get directions
Phone(647) 558-9948
Websitehighheatgasservices.ca
HoursOpen 24 hours, 7 days a week
Google rating5.0 from 53 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

Serves Markham and 11 towns within 40 km: Willowdale, North York, Scarborough, Richmond Hill, Concord, Vaughan, East York, Toronto, Pickering, Aurora and Ajax.

Based in Markham, ONView on map

Opening hours

Opening hours for High Heat Gas Services
DayHours
MondayOpen 24 hours
TuesdayOpen 24 hours
WednesdayOpen 24 hours
ThursdayOpen 24 hours
FridayOpen 24 hours
SaturdayOpen 24 hours
SundayOpen 24 hours
  • Open 24/7
  • Open evenings — no
  • Open Saturdays
  • Open Sundays
  • Emergency service

Typical heating and cooling prices

Typical heating and cooling prices
JobLowTypicalHigh
AC replacementPer system, installed (unit plus labor); typical range of customer-reported jobs. US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026)CA$5,460CA$8,400CA$11,350
Furnace replacementPer system, installed; typical range of customer-reported jobs. US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026)CA$3,970CA$6,770CA$9,690

Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.

Compare nearby HVAC contractors

High Heat Gas Services compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
High Heat Gas Services (this business)—615.0 (53)—YesYes
AeroFusion Heating & Cooling#40615.0 (52)—YesYes6.8 km
Enercare#41614.7 (1,470)—YesYes12.2 km
Home Trade Standards - Condo HVAC Specialists#43615.0 (464)—YesYes13.1 km

See all 813 ranked HVAC contractors in Markham

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

5.0from 53 Google reviews

Hired High Heat Gas Services? Write a review

Questions about High Heat Gas Services

How is High Heat Gas Services ranked in Markham?

High Heat Gas Services is ranked #42 of 813 HVAC contractors in Markham by CR Score, with 61 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

What are High Heat Gas Services’ hours?

High Heat Gas Services is open 24 hours a day, 7 days a week. Its listed hours are Open 24 hours, 7 days a week. On Saturdays it is open Open 24 hours, and on Sundays Open 24 hours. Hours come from the business listing; holiday hours may differ.

What areas does High Heat Gas Services serve?

Serves Markham and 11 towns within 40 km: Willowdale, North York, Scarborough, Richmond Hill, Concord, Vaughan, East York, Toronto, Pickering, Aurora and Ajax. The list is based on the business's location and the usual service radius for heating and cooling. Confirm your address is covered when you call.

What do Google reviews say about High Heat Gas Services?

High Heat Gas Services has a rating of 5.0 from 53 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact High Heat Gas Services?

Call High Heat Gas Services on (647) 558-9948. The business is at 400 Don Park Rd #10, Markham, ON L3R 1C6. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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