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Johnston Mechanical HVAC LTD.HVAC contractor in Belleville, ON

Johnston Mechanical HVAC LTD. is an HVAC contractor in Belleville, ON, ranked #5 of 57 HVAC contractors in Belleville and rated 5.0 from 84 Google reviews. Open 24 hours a day, 7 days a week.

Belleville, ONUpdated 0 paid placements in any rankingHow we rank

Call (613) 827-8973Website ↗

Key facts

Key facts about Johnston Mechanical HVAC LTD.
Phone(613) 827-8973
Websitejohnstonmechanical.ca
HoursOpen 24 hours, 7 days a week
Google rating5.0 from 84 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

Serves Belleville and 4 towns within 40 km: Prince Edward, Greater Napanee, Napanee and Quinte West.

Based in Belleville, ONView on map

Opening hours

Opening hours for Johnston Mechanical HVAC LTD.
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

Johnston Mechanical HVAC LTD. compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Johnston Mechanical HVAC LTD. (this business)—635.0 (84)—YesYes
Dows ClimateCare#3644.7 (292)—YesYes31.7 km
Crozier Heating#4634.9 (106)—YesYes34.2 km

See all 57 ranked HVAC contractors in Belleville

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

5.0from 84 Google reviews

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Questions about Johnston Mechanical HVAC LTD.

How is Johnston Mechanical HVAC LTD. ranked in Belleville?

Johnston Mechanical HVAC LTD. is ranked #5 of 57 HVAC contractors in Belleville 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 Johnston Mechanical HVAC LTD.’s hours?

Johnston Mechanical HVAC LTD. 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 Johnston Mechanical HVAC LTD. serve?

Serves Belleville and 4 towns within 40 km: Prince Edward, Greater Napanee, Napanee and Quinte West. 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 Johnston Mechanical HVAC LTD.?

Johnston Mechanical HVAC LTD. has a rating of 5.0 from 84 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 Johnston Mechanical HVAC LTD.?

Call Johnston Mechanical HVAC LTD. on (613) 827-8973. 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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