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A1 Air Conditioning & HeatingHVAC contractor in Oakville, ON

A1 Air Conditioning & Heating is an HVAC contractor at 3-1420 Cornwall Rd, Oakville, ON L6J 7W5, ranked #3 of 640 HVAC contractors in Oakville and rated 4.9 from 1,749 Google reviews. Open 24 hours a day, 7 days a week.

Oakville, ONUpdated 0 paid placements in any rankingHow we rank

Call (905) 844-2949Website ↗

Key facts

Key facts about A1 Air Conditioning & Heating
Address3-1420 Cornwall Rd, Oakville, ON L6J 7W5Get directions
Phone(905) 844-2949
Websitea1air.ca
HoursOpen 24 hours, 7 days a week
Google rating4.9 from 1,749 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

Serves Oakville and 11 towns within 40 km: Mississauga, Burlington, Milton, Etobicoke, Brampton, Hamilton, Toronto, East York, North York, Willowdale and Concord.

Based in Oakville, ONView on map

Opening hours

Opening hours for A1 Air Conditioning & Heating
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

A1 Air Conditioning & Heating compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
A1 Air Conditioning & Heating (this business)—654.9 (1,749)—YesYes
AtlasCare Heating & Cooling#1664.8 (6,594)—YesYes4.2 km
Reliance Heating, Air Conditioning & Plumbing#2654.8 (27,515)—YesYes16.7 km
Abbey Air Home Services by Enercare#4644.8 (1,639)—YesYes6.5 km

See all 640 ranked HVAC contractors in Oakville

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

4.9from 1,749 Google reviews

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Questions about A1 Air Conditioning & Heating

How is A1 Air Conditioning & Heating ranked in Oakville?

A1 Air Conditioning & Heating is ranked #3 of 640 HVAC contractors in Oakville by CR Score, with 65 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 A1 Air Conditioning & Heating’s hours?

A1 Air Conditioning & Heating 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 A1 Air Conditioning & Heating serve?

Serves Oakville and 11 towns within 40 km: Mississauga, Burlington, Milton, Etobicoke, Brampton, Hamilton, Toronto, East York, North York, Willowdale and Concord. 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 A1 Air Conditioning & Heating?

A1 Air Conditioning & Heating has a rating of 4.9 from 1,749 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 A1 Air Conditioning & Heating?

Call A1 Air Conditioning & Heating on (905) 844-2949. The business is at 3-1420 Cornwall Rd, Oakville, ON L6J 7W5. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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