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M & K Heating and Air ConditioningHVAC contractor in London, ON

M & K Heating and Air Conditioning is an HVAC contractor at 28 Adelaide St S, London, ON N5Z 3K2, ranked #4 of 129 HVAC contractors in London and rated 4.6 from 1,614 Google reviews. Open 24 hours a day, 7 days a week.

London, ONUpdated 0 paid placements in any rankingHow we rank

Call (226) 781-7012Website ↗

Key facts

Key facts about M & K Heating and Air Conditioning
Address28 Adelaide St S, London, ON N5Z 3K2Get directions
Phone(226) 781-7012
Websitemkheatingandairconditioning.ca
HoursOpen 24 hours, 7 days a week
Google rating4.6 from 1,614 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category
  • Plumbingadditional Google category

Service area

Serves London and 4 towns within 40 km: Dorchester, St. Thomas, Ingersoll and Aylmer.

Based in London, ONView on map

Opening hours

Opening hours for M & K Heating and Air Conditioning
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

M & K Heating and Air Conditioning compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
M & K Heating and Air Conditioning (this business)—644.6 (1,614)—YesYes
Roy Inch & Sons Home Services by Enercare#2644.7 (1,490)—YesYes5.4 km
Handy Bros. HVAC London (AC and Furnace Repair)#3644.9 (536)—YesYes4.7 km
Donaldson Heating and Air Conditioning#5634.9 (2,733)—YesNo4.9 km

See all 129 ranked HVAC contractors in London

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

4.6from 1,614 Google reviews

Hired M & K Heating and Air Conditioning? Write a review

Questions about M & K Heating and Air Conditioning

How is M & K Heating and Air Conditioning ranked in London?

M & K Heating and Air Conditioning is ranked #4 of 129 HVAC contractors in London by CR Score, with 64 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 M & K Heating and Air Conditioning’s hours?

M & K Heating and Air Conditioning 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 M & K Heating and Air Conditioning serve?

Serves London and 4 towns within 40 km: Dorchester, St. Thomas, Ingersoll and Aylmer. 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 M & K Heating and Air Conditioning?

M & K Heating and Air Conditioning has a rating of 4.6 from 1,614 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 M & K Heating and Air Conditioning?

Call M & K Heating and Air Conditioning on (226) 781-7012. The business is at 28 Adelaide St S, London, ON N5Z 3K2. 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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