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Marks Comfort TechHVAC contractor in Sarnia, ON

Marks Comfort Tech is an HVAC contractor at 1918 Confederation Line, Sarnia, ON N7W 1A5, ranked #21 of 41 HVAC contractors in Sarnia and rated 4.6 from 20 Google reviews. Open Monday to Friday.

Sarnia, ONUpdated 0 paid placements in any rankingHow we rank

Call (519) 330-0765Website ↗

Key facts

Key facts about Marks Comfort Tech
Address1918 Confederation Line, Sarnia, ON N7W 1A5Get directions
Phone(519) 330-0765
Websitemarkscomforttech.com
HoursMonday to Friday: 8 AM – 5 PM
Google rating4.6 from 20 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

Serves Sarnia and 4 towns within 40 km: Corunna, Camlachie, Petrolia and Lambton Shores.

Based in Sarnia, ONView on map

Opening hours

Opening hours for Marks Comfort Tech
DayHours
Monday8 AM – 5 PM
Tuesday8 AM – 5 PM
Wednesday8 AM – 5 PM
Thursday8 AM – 5 PM
Friday8 AM – 5 PM
SaturdayClosed
SundayClosed
  • Open evenings — no
  • Open Saturdays — no
  • Open Sundays — no

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

Marks Comfort Tech compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Marks Comfort Tech (this business)—544.6 (20)—NoNo
Archer's Equipment Repair Limited#20545.0 (5)—YesYes16.0 km
Sarnia Heating#22544.4 (28)—NoNo6.0 km
Abram#23544.2 (47)—NoNo3.4 km

See all 41 ranked HVAC contractors in Sarnia

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

4.6from 20 Google reviews

Hired Marks Comfort Tech? Write a review

Questions about Marks Comfort Tech

How is Marks Comfort Tech ranked in Sarnia?

Marks Comfort Tech is ranked #21 of 41 HVAC contractors in Sarnia by CR Score, with 54 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 Marks Comfort Tech’s hours?

Marks Comfort Tech is open Monday to Friday. Its listed hours are Monday to Friday, 8 AM – 5 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does Marks Comfort Tech serve?

Serves Sarnia and 4 towns within 40 km: Corunna, Camlachie, Petrolia and Lambton Shores. 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 Marks Comfort Tech?

Marks Comfort Tech has a rating of 4.6 from 20 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 Marks Comfort Tech?

Call Marks Comfort Tech on (519) 330-0765. The business is at 1918 Confederation Line, Sarnia, ON N7W 1A5. 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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