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ASSURANCE HVAC Heating & Cooling Of MarkhamHVAC contractor in Markham, ON

ASSURANCE HVAC Heating & Cooling Of Markham is an HVAC contractor at 4450 Hwy 7, Unionville, ON L3R 1M2, ranked #16 of 852 HVAC contractors in Markham and rated 5.0 from 160 Google reviews. Open 24 hours a day, 7 days a week.

Markham, ONUpdated 0 paid placements in any rankingHow we rank

Call (647) 496-5598Website ↗

Key facts

Key facts about ASSURANCE HVAC Heating & Cooling Of Markham
Address4450 Hwy 7, Unionville, ON L3R 1M2, Markham, ONGet directions
Phone(647) 496-5598
Websiteassuranceheatingandcoolinghvac.com
HoursOpen 24 hours, 7 days a week
Google rating5.0 from 160 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: Richmond Hill, Scarborough, Willowdale, North York, Pickering, Vaughan, Concord, East York, Aurora, Toronto and Ajax.

Based in Markham, ONView on map

Opening hours

Opening hours for ASSURANCE HVAC Heating & Cooling Of Markham
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.

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

5.0from 160 Google reviews

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Questions about ASSURANCE HVAC Heating & Cooling Of Markham

How is ASSURANCE HVAC Heating & Cooling Of Markham ranked in Markham?

ASSURANCE HVAC Heating & Cooling Of Markham is ranked #16 of 852 HVAC contractors in Markham by CR Score, with 62 out of 100 as of November 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 ASSURANCE HVAC Heating & Cooling Of Markham’s hours?

ASSURANCE HVAC Heating & Cooling Of Markham 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 ASSURANCE HVAC Heating & Cooling Of Markham serve?

Serves Markham and 11 towns within 40 km: Richmond Hill, Scarborough, Willowdale, North York, Pickering, Vaughan, Concord, East York, Aurora, Toronto 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 ASSURANCE HVAC Heating & Cooling Of Markham?

ASSURANCE HVAC Heating & Cooling Of Markham has a rating of 5.0 from 160 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 ASSURANCE HVAC Heating & Cooling Of Markham?

Call ASSURANCE HVAC Heating & Cooling Of Markham on (647) 496-5598. The business is at 4450 Hwy 7, Unionville, ON L3R 1M2, Markham, ON. 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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Compare nearby HVAC contractors

ASSURANCE HVAC Heating & Cooling Of Markham compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
ASSURANCE HVAC Heating & Cooling Of Markham (this business)—625.0 (160)—YesYes
Aire One Heating & Cooling#14634.8 (480)—YesYes5.2 km
Enercare#15624.8 (2,085)—YesYes14.9 km
Eco Star Home Services Co.#17624.7 (490)—YesYes4.8 km

See all 852 ranked HVAC contractors in Markham