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MarZ Heating & Cooling Inc.HVAC contractor in St. Catharines, ON

MarZ Heating & Cooling Inc. is an HVAC contractor at 25 Linfield Dr, St. Catharines, ON L2N 5T7, ranked #5 of 190 HVAC contractors in St. Catharines and rated 5.0 from 114 Google reviews. Open 24 hours a day, 7 days a week.

St. Catharines, ONUpdated 0 paid placements in any rankingHow we rank

Call (437) 238-6556Website ↗

Key facts

Key facts about MarZ Heating & Cooling Inc.
Address25 Linfield Dr, St. Catharines, ON L2N 5T7Get directions
Phone(437) 238-6556
Websitemarzhvac.com
HoursOpen 24 hours, 7 days a week
Google rating5.0 from 114 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

Serves St. Catharines and 4 towns within 40 km: Thorold, Niagara Falls, Welland and Port Colborne.

Based in St. Catharines, ONView on map

Opening hours

Opening hours for MarZ Heating & Cooling Inc.
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

MarZ Heating & Cooling Inc. compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
MarZ Heating & Cooling Inc. (this business)—635.0 (114)—YesYes
Enercare#3664.6 (2,788)—YesYes2.8 km
MacKay Heating & Cooling#4644.8 (349)—YesYes7.0 km
Evans Heating & Cooling#6634.8 (822)—YesYes15.7 km

See all 190 ranked HVAC contractors in St. Catharines

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

5.0from 114 Google reviews

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Questions about MarZ Heating & Cooling Inc.

How is MarZ Heating & Cooling Inc. ranked in St. Catharines?

MarZ Heating & Cooling Inc. is ranked #5 of 190 HVAC contractors in St. Catharines by CR Score, with 63 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 MarZ Heating & Cooling Inc.’s hours?

MarZ Heating & Cooling Inc. 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 MarZ Heating & Cooling Inc. serve?

Serves St. Catharines and 4 towns within 40 km: Thorold, Niagara Falls, Welland and Port Colborne. 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 MarZ Heating & Cooling Inc.?

MarZ Heating & Cooling Inc. has a rating of 5.0 from 114 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 MarZ Heating & Cooling Inc.?

Call MarZ Heating & Cooling Inc. on (437) 238-6556. The business is at 25 Linfield Dr, St. Catharines, ON L2N 5T7. 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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