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ONAS Heating & Cooling Corp. O/A Ontario Air ServicesHVAC contractor in Vaughan, ON

ONAS Heating & Cooling Corp. O/A Ontario Air Services is an HVAC contractor at 358 Edgeley Blvd Unit 7, Vaughan, ON L4K 3Y1, ranked #21 of 884 HVAC contractors in Vaughan and rated 5.0 from 143 Google reviews. Open 24 hours a day, 7 days a week.

Vaughan, ONUpdated 0 paid placements in any rankingHow we rank

Call (647) 687-4911Website ↗

Key facts

Key facts about ONAS Heating & Cooling Corp. O/A Ontario Air Services
Address358 Edgeley Blvd Unit 7, Vaughan, ON L4K 3Y1Get directions
Phone(647) 687-4911
Websiteontarioairservices.ca
HoursOpen 24 hours, 7 days a week
Google rating5.0 from 143 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category
  • Electricaladditional Google category

Service area

Serves Vaughan and 11 towns within 40 km: Concord, North York, Richmond Hill, Willowdale, Toronto, Etobicoke, King, East York, Scarborough, Brampton and Aurora.

Based in Vaughan, ONView on map

Opening hours

Opening hours for ONAS Heating & Cooling Corp. O/A Ontario Air 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

ONAS Heating & Cooling Corp. O/A Ontario Air Services compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
ONAS Heating & Cooling Corp. O/A Ontario Air Services (this business)—625.0 (143)—YesYes
Enercare#19624.9 (7,135)—YesYes24.2 km
Nexklima Inc.#20625.0 (144)—YesYes6.3 km
Woodbridge GTA ClimateCare#22624.9 (617)—YesYes0.9 km

See all 884 ranked HVAC contractors in Vaughan

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

5.0from 143 Google reviews

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Questions about ONAS Heating & Cooling Corp. O/A Ontario Air Services

How is ONAS Heating & Cooling Corp. O/A Ontario Air Services ranked in Vaughan?

ONAS Heating & Cooling Corp. O/A Ontario Air Services is ranked #21 of 884 HVAC contractors in Vaughan by CR Score, with 62 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 ONAS Heating & Cooling Corp. O/A Ontario Air Services’ hours?

ONAS Heating & Cooling Corp. O/A Ontario Air 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 ONAS Heating & Cooling Corp. O/A Ontario Air Services serve?

Serves Vaughan and 11 towns within 40 km: Concord, North York, Richmond Hill, Willowdale, Toronto, Etobicoke, King, East York, Scarborough, Brampton and Aurora. 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 ONAS Heating & Cooling Corp. O/A Ontario Air Services?

ONAS Heating & Cooling Corp. O/A Ontario Air Services has a rating of 5.0 from 143 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 ONAS Heating & Cooling Corp. O/A Ontario Air Services?

Call ONAS Heating & Cooling Corp. O/A Ontario Air Services on (647) 687-4911. The business is at 358 Edgeley Blvd Unit 7, Vaughan, ON L4K 3Y1. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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