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Williams Kool HeatHVAC contractor in Welland, ON

Williams Kool Heat is an HVAC contractor at 67 River Rd, Welland, ON L3C 6X8, ranked #2 of 224 HVAC contractors in Welland and rated 4.9 from 560 Google reviews. Open 7 days a week.

Welland, ONUpdated 0 paid placements in any rankingHow we rank

Call (289) 820-5665Website ↗

Key facts

Key facts about Williams Kool Heat
Address67 River Rd, Welland, ON L3C 6X8Get directions
Phone(289) 820-5665
Websitewilliamskoolheat.ca
HoursMonday to Sunday: 8 AM – 7 PM
Google rating4.9 from 560 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

Serves Welland and 5 towns within 40 km: Port Colborne, Thorold, Niagara Falls, St. Catharines and Fort Erie.

Based in Welland, ONView on map

Opening hours

Opening hours for Williams Kool Heat
DayHours
Monday8 AM – 7 PMevening
Tuesday8 AM – 7 PMevening
Wednesday8 AM – 7 PMevening
Thursday8 AM – 7 PMevening
Friday8 AM – 7 PMevening
Saturday8 AM – 7 PMevening
Sunday8 AM – 7 PMevening
  • Open evenings (after 6 PM)
  • Open Saturdays
  • Open Sundays

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

Williams Kool Heat compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Williams Kool Heat (this business)—634.9 (560)—YesYes
Reliance Heating, Air Conditioning & Plumbing#1634.8 (2,986)—YesYes20.1 km
Mr. Furnace Heating and Air Conditioning#3634.8 (2,672)—YesYes19.7 km
Reimer Heating, Cooling & Plumbing#4624.9 (8,360)—YesYes39.3 km

See all 224 ranked HVAC contractors in Welland

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

4.9from 560 Google reviews

Hired Williams Kool Heat? Write a review

Questions about Williams Kool Heat

How is Williams Kool Heat ranked in Welland?

Williams Kool Heat is ranked #2 of 224 HVAC contractors in Welland 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 Williams Kool Heat’s hours?

Williams Kool Heat is open 7 days a week. Its listed hours are Monday to Sunday, 8 AM – 7 PM. On Saturdays it is open 8 AM to 7 PM, and on Sundays 8 AM to 7 PM. Hours come from the business listing; holiday hours may differ.

What areas does Williams Kool Heat serve?

Serves Welland and 5 towns within 40 km: Port Colborne, Thorold, Niagara Falls, St. Catharines and Fort Erie. 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 Williams Kool Heat?

Williams Kool Heat has a rating of 4.9 from 560 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 Williams Kool Heat?

Call Williams Kool Heat on (289) 820-5665. The business is at 67 River Rd, Welland, ON L3C 6X8. 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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