Cornelisse & Sons Heating & CoolingHVAC contractor in Cornwall, ON
Cornelisse & Sons Heating & Cooling is an HVAC contractor at 1308 Princess St, Cornwall, ON K6T 1S5, ranked #16 of 24 HVAC contractors in Cornwall and rated 5.0 from 3 Google reviews.
Cornwall, ONUpdated 0 paid placements in any rankingHow we rank
Key facts
| Address | 1308 Princess St, Cornwall, ON K6T 1S5Get directions |
|---|---|
| Phone | (613) 360-4965 |
| Google rating | 5.0 from 3 Google reviews |
Trades
Each trade shows the evidence we matched it on.
- HVACmain tradeGoogle main category
Service area
Based in Cornwall, ONView on map
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 |
|---|---|---|---|---|---|---|---|
| Cornelisse & Sons Heating & Cooling (this business) | — | 55 | 5.0 (3) | — | — | — | |
| Boileau Mechanical Ltd | #14 | 55 | 5.0 (14) | — | No | No | 9.5 km |
| Marc Viau Mechanical | #15 | 55 | 4.4 (25) | — | No | No | 2.4 km |
| Bellatin HVAC | #17 | 53 | 5.0 (6) | — | No | No | 20.8 km |
Reviews
ContractorsRanked reviews
No ContractorsRanked reviews yet
5.0from 3 Google reviews
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Questions about Cornelisse & Sons Heating & Cooling
How is Cornelisse & Sons Heating & Cooling ranked in Cornwall?
Cornelisse & Sons Heating & Cooling is ranked #16 of 24 HVAC contractors in Cornwall by CR Score, with 55 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 do Google reviews say about Cornelisse & Sons Heating & Cooling?
Cornelisse & Sons Heating & Cooling has a rating of 5.0 from 3 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 Cornelisse & Sons Heating & Cooling?
Call Cornelisse & Sons Heating & Cooling on (613) 360-4965. The business is at 1308 Princess St, Cornwall, ON K6T 1S5. 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.