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Cassar Heating & Air ConditioningHVAC contractor in Oshawa, ON

Cassar Heating & Air Conditioning is an HVAC contractor at Oshawa, ON L1G 6C3, ranked #49 of 274 HVAC contractors in Oshawa and rated 5.0 from 49 Google reviews.

Oshawa, ONUpdated 0 paid placements in any rankingHow we rank

Call (416) 508-4585Website ↗

Key facts

Key facts about Cassar Heating & Air Conditioning
AddressOshawa, ON L1G 6C3Get directions
Phone(416) 508-4585
Websitecassarhvac.com
Google rating5.0 from 49 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

Serves Oshawa and 6 towns within 40 km: Ajax, Pickering, Uxbridge, Markham, Scarborough and Port Hope.

Based in Oshawa, ONView on map

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

Cassar Heating & Air Conditioning compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Cassar Heating & Air Conditioning (this business)—585.0 (49)———
Cullen Heating and Air Conditioning Inc.#47584.3 (22)—YesYes2.3 km
Expert Heating & Air Conditioning#48584.8 (90)—YesYes18.3 km
Superior Plumbing & Heating of Ajax#50584.7 (87)—YesYes16.6 km

See all 274 ranked HVAC contractors in Oshawa

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

5.0from 49 Google reviews

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Questions about Cassar Heating & Air Conditioning

How is Cassar Heating & Air Conditioning ranked in Oshawa?

Cassar Heating & Air Conditioning is ranked #49 of 274 HVAC contractors in Oshawa by CR Score, with 58 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 areas does Cassar Heating & Air Conditioning serve?

Serves Oshawa and 6 towns within 40 km: Ajax, Pickering, Uxbridge, Markham, Scarborough and Port Hope. 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 Cassar Heating & Air Conditioning?

Cassar Heating & Air Conditioning has a rating of 5.0 from 49 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 Cassar Heating & Air Conditioning?

Call Cassar Heating & Air Conditioning on (416) 508-4585. The business is at Oshawa, ON L1G 6C3. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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