McKay Mechanical Inc.HVAC contractor in Cornwall, ON
McKay Mechanical Inc. is an HVAC contractor at 880 Tenth St E, Cornwall, ON K6H 5T1, ranked #13 of 24 HVAC contractors in Cornwall and rated 4.8 from 51 Google reviews. Open Monday to Friday.
Cornwall, ONUpdated 0 paid placements in any rankingHow we rank
Key facts
| Address | 880 Tenth St E, Cornwall, ON K6H 5T1Get directions |
|---|---|
| Phone | (613) 932-1757 |
| Website | mckaymechanical.com |
| Hours | Monday to Friday: 7:30 AM – 4 PM |
| Google rating | 4.8 from 51 Google reviews |
Trades
Each trade shows the evidence we matched it on.
- HVACmain tradeGoogle main category
Service area
Based in Cornwall, ONView on map
Opening hours
| Day | Hours |
|---|---|
| Monday | 7:30 AM – 4 PM |
| Tuesday | 7:30 AM – 4 PM |
| Wednesday | 7:30 AM – 4 PM |
| Thursday | 7:30 AM – 4 PM |
| Friday | 7:30 AM – 4 PM |
| Saturday | Closed |
| Sunday | Closed |
- Open evenings — no
- Open Saturdays — no
- Open Sundays — no
Typical heating and cooling prices
| Job | Low | Typical | High |
|---|---|---|---|
| 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$5,460 | CA$8,400 | CA$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$3,970 | CA$6,770 | CA$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
| Business | Rank | CR Score | Google rating | License verified | Saturday | Sunday | Distance away |
|---|---|---|---|---|---|---|---|
| McKay Mechanical Inc. (this business) | — | 78 | 4.8 (51) | — | No | No | |
| Cornelisse & Sons Heating & Cooling | #11 | 79 | 5.0 (3) | — | — | — | 4.4 km |
| Energy Wise Builders, LLC | #12 | 79 | 5.0 (26) | — | Yes | No | 21.3 km |
| Noble | #14 | 78 | 4.7 (38) | — | No | No | 2.3 km |
Questions about McKay Mechanical Inc.
How is McKay Mechanical Inc. ranked in Cornwall?
McKay Mechanical Inc. is ranked #13 of 24 HVAC contractors in Cornwall by CR Score, with 78 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 McKay Mechanical Inc.’s hours?
McKay Mechanical Inc. is open Monday to Friday. Its listed hours are Monday to Friday, 7:30 AM – 4 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.
What do Google reviews say about McKay Mechanical Inc.?
McKay Mechanical Inc. has a rating of 4.8 from 51 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 McKay Mechanical Inc.?
Call McKay Mechanical Inc. on (613) 932-1757. The business is at 880 Tenth St E, Cornwall, ON K6H 5T1. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.
Own McKay Mechanical Inc.? Claim this profile.
Claiming is free. Correct your hours, trades and service area. The CR Score is recalculated from corrected data; payment never changes it.