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Aire One Heating & CoolingHVAC contractor in Markham, ON

Aire One Heating & Cooling is an HVAC contractor at 2800 John St., Markham, ON L3R 0E2, ranked #14 of 813 HVAC contractors in Markham and rated 4.8 from 480 Google reviews. Open 24 hours a day, 7 days a week.

Markham, ONUpdated 0 paid placements in any rankingHow we rank

Call (416) 460-5300Website ↗

Key facts

Key facts about Aire One Heating & Cooling
Address2800 John St., Markham, ON L3R 0E2Get directions
Phone(416) 460-5300
Websiteaireone.com
HoursOpen 24 hours, 7 days a week
Google rating4.8 from 480 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, Richmond Hill, North York, Scarborough, Concord, Vaughan, Toronto, East York, Pickering, Aurora and King.

Based in Markham, ONView on map

Opening hours

Opening hours for Aire One Heating & Cooling
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

Aire One Heating & Cooling compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Aire One Heating & Cooling (this business)—904.8 (480)—YesYes
Hargrave Heating & Air Conditioning#12914.9 (366)—YesYes2.1 km
Constant Home Comfort#13914.8 (583)—YesYes0.9 km
Enercare#15904.8 (2,085)—YesYes15.5 km

See all 813 ranked HVAC contractors in Markham

Questions about Aire One Heating & Cooling

How is Aire One Heating & Cooling ranked in Markham?

Aire One Heating & Cooling is ranked #14 of 813 HVAC contractors in Markham by CR Score, with 90 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity and profile completeness. No business can pay to change its rank.

What are Aire One Heating & Cooling’s hours?

Aire One Heating & Cooling 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 Aire One Heating & Cooling serve?

Serves Markham and 11 towns within 40 km: Willowdale, Richmond Hill, North York, Scarborough, Concord, Vaughan, Toronto, East York, Pickering, Aurora and King. 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 Aire One Heating & Cooling?

Aire One Heating & Cooling has a rating of 4.8 from 480 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 Aire One Heating & Cooling?

Call Aire One Heating & Cooling on (416) 460-5300. The business is at 2800 John St., Markham, ON L3R 0E2. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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Claiming is free. Correct your hours, trades and service area. The CR Score is recalculated from corrected data; payment never changes it.

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