Skip to content

Best HVAC Contractors in Norfolk County, ON (2026)

95 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Norfolk County: B.R.'s Plumbing and Heating, CR Score 63/100; 4.8★ from 236 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Riverside Heating & Air Conditioning Inc., posts 24/7 hours; ranked #2 of 95.

  3. 3

    Most-reviewed: Reliance Heating, Air Conditioning & Plumbing, 4,116 Google reviews at 4.8★, the most of 95 ranked; ranked #3.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

95 Norfolk County HVAC contractors are ranked here by CR Score, from ten published factors. 25 are open 24/7, 41 open Saturdays and 29 open Sundays, based on posted hours. The median Google rating is 4.9★ across 95 rated businesses.

Top 10 HVAC contractors in Norfolk County at a glance

Top 10 HVAC contractors in Norfolk County at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1B.R.'s Plumbing and Heating634.8★ (236)Norfolk County24/7Overall
2Riverside Heating & Air Conditioning Inc.624.9★ (153)Brantford, 5 km away24/7Emergencies
3Reliance Heating, Air Conditioning & Plumbing624.8★ (4,116)Brantford, 38 km away24/7Most reviews
4G.C. Lounsbury Heating & Air Conditioning614.9★ (34)Norfolk County24/7—
5Oldridge Heating & Cooling614.9★ (34)Norfolk County24/7—
6Optimum climate services605.0★ (17)Norfolk County24/7—
7Ampair Mechanical Inc605.0★ (16)Norfolk County24/7—
8Labreche Trade Solutions-HVAC605.0★ (16)Norfolk County24/7—
9Superior Plumbing & Heating of Tillsonburg604.7★ (21)Norfolk County24/7—
10648 Mechanical594.9★ (14)Norfolk County24/7—

The 95 best HVAC contractors in Norfolk County, ranked

Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.

  1. Ranked #1 in Norfolk County

    Based in Norfolk County

    63/100CR Score

    Ranked #1 because of its Google rating and trade focus: 4.8★ from 236 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.8★ from 236 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1 Vance Dr #1, Tillsonburg, ON N4G 4M4
  2. Based in Norfolk County

    61/100CR Score

    Ranked #5 because of its Google rating and trade focus: 4.9★ from 34 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.9★ from 34 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    21 Brock St E, Tillsonburg, ON N4G 1Z4
  3. Based in Norfolk County

    60/100CR Score

    Ranked #6 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 17 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    425376 Substation Rd, Burgessville, ON N0J 1C0
  4. Based in Norfolk County

    60/100CR Score

    Ranked #7 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 16 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
  5. Based in Norfolk County

    60/100CR Score

    Ranked #8 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 16 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    60 Victoria St W, Blandford-Blenheim, ON N0J 1V0
  6. Based in Norfolk County

    59/100CR Score

    Ranked #10 because of its Google rating and trade focus: 4.9★ from 14 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.9★ from 14 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
  7. Based in Norfolk County

    59/100CR Score

    Ranked #12 because of its Google rating and trade focus: 5.0★ from 66 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 66 Google reviews
    Hours
    Mon–Fri 8 AM–6 PM · Sat 10 AM–3 PM · Sun closed
    Address
    65 William St, Tillsonburg, ON N4G 5R9
  8. Based in Norfolk County

    59/100CR Score

    Ranked #13 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 9 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2454 Windham East Quarter Line Rd, Norfolk, ON N0E 1V0
  9. Based in Norfolk County

    59/100CR Score

    Ranked #14 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Heating contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 8 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    166108 New Rd, La Salette, ON N0E 1H0
  10. Based in Simcoe, 6 km away

    58/100CR Score

    Ranked #15 because of its Google rating and trade focus: 4.9★ from 358 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.9★ from 358 Google reviews
    Hours
    Mon–Fri 8 AM–4:30 PM · Sat–Sun closed
    Address
    5 Third Ave, Simcoe, ON N3Y 5H8
  11. Based in Norfolk County

    58/100CR Score

    Ranked #16 because of its Google rating and trade focus: 5.0★ from 19 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 19 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    431984 Westtown Line, Tillsonburg, ON N4G 0E3
  12. Based in Brantford, 33 km away

    58/100CR Score

    Ranked #17 because of its Google rating and trade focus: 5.0★ from 114 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 114 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    55 Edith Monture Ave, Brantford, ON N3T 6M7
  13. Based in Norfolk County

    57/100CR Score

    Ranked #19 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 10 Google reviews
    Hours
    Mon–Sun 8 AM–9 PM
  14. Based in Norfolk County

    57/100CR Score

    Ranked #20 because of its Google rating and trade focus: 4.9★ from 22 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.9★ from 22 Google reviews
    Hours
    Mon–Sat 8 AM–8 PM · Sun closed
  15. Based in Simcoe, 17 km away

    57/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.6★ from 22 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.6★ from 22 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
  16. Based in Brantford, 38 km away

    56/100CR Score

    Ranked #23 because of its Google rating and trade focus: 5.0★ from 183 Google reviews, listed on Google as “HVAC contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 183 Google reviews
    Hours
    Mon–Fri 7:30 AM–5 PM · Sat–Sun 9 AM–5 PM
    Address
    236 Braneida Ln Unit #8, Brantford, ON N3S 7W9
  17. Based in Norfolk County

    56/100CR Score

    Ranked #24 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Heating contractor”.

    Based on 7 of 10 factors; credentials, recency and availability not yet collected.

    • 5.0★ from 12 Google reviews
    Address
    9 Lakeview Ave, Port Dover, ON N0A 1N8

HVAC contractors ranked #26 to #50

#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 95 ranked HVAC contractors here; the rest are on their profiles.

HVAC contractors in Norfolk County, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Cole's Technical Service565.0★ (4)In Norfolk County
27Smart Elements Heating and Cooling565.0★ (13)In Norfolk County
28Murray's Heating564.7★ (11)In Norfolk County
29Grand River Heating and Cooling564.8★ (47)In Norfolk County
30Crystal Heating and Cooling554.6★ (117)38 km
31Chief Services555.0★ (8)In Norfolk County
32D&B ClimateCare554.8★ (44)5 km
33O&L Duct Design555.0★ (5)In Norfolk County
34Causyn Cooling & Heating Ltd.554.8★ (42)5 km
35Prime comfort HVAC solutions inc.555.0★ (4)In Norfolk County
36W J Elliott & Son Ltd554.6★ (28)In Norfolk County
37Little John HVAC Services545.0★ (3)In Norfolk County
38Pioneer Mechanical Inc.545.0★ (14)33 km
39Premier HVAC545.0★ (24)39 km
40Krygsman Mechanical Contracting544.5★ (25)In Norfolk County
41Weeda Mechanical Inc545.0★ (13)In Norfolk County
42Easton Mechanical Contracting544.6★ (24)In Norfolk County
43A & R Heating & Cooling544.7★ (3)In Norfolk County
44Modern Heating544.9★ (569)38 km
45TradeCraft Heating and Cooling544.9★ (72)40 km
46Friesen Heating & Cooling544.6★ (19)In Norfolk County
47Hearth & Home544.9★ (566)38 km
48Tear Systems545.0★ (11)In Norfolk County
49BK Heating & Cooling Inc545.0★ (10)In Norfolk County
50Tillson Mechanical Heating & Cooling545.0★ (9)In Norfolk County

Also serving Norfolk County

20 more HVAC contractors within 40 km that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.

Unranked HVAC contractors serving Norfolk County
BusinessGoogle ratingDistance
648 Mechanical incIn Norfolk County
A1 Trades Mechanical5.0★ (4)In Norfolk County
Aire One West Heating & Cooling5.0★ (13)38 km
Auscan Mechanical5.0★ (8)37 km
B.R.'s Plumbing & Heating Inc.In Norfolk County
BHI Bate Home Improvement5.0★ (2)In Norfolk County
Bialas Plumbing & Heating Co Ltd5.0★ (2)37 km
Brothers Gasworks5.0★ (2)In Norfolk County
CMP MechanicalIn Norfolk County
Dr. Sparky Electrical Contracting Ltd. - Brantford & Beyond Electrician4.9★ (135)In Norfolk County
Featherstone Custom Work5.0★ (1)In Norfolk County
George Forsyth Plumbing & Heating5.0★ (1)In Norfolk County
LG Home Comfort Brantford4.6★ (9)38 km
Macker Mechanical5.0★ (2)In Norfolk County
Meesters Mechanical Inc.5.0★ (2)In Norfolk County
My Heating Cooling CompanyIn Norfolk County
Scotty's Refrigeration Inc3.2★ (13)38 km
Simcoe Heating & Air Conditioning5.0★ (1)8 km
Walsh Sheet Metal Incorporated5.0★ (1)27 km
Whittaker Water Plumbing5.0★ (67)In Norfolk County

How much do HVAC contractors cost in Norfolk County?

US national ranges converted to CAD, not adjusted for Norfolk County. Each row names its basis and the month we checked it.

How much do HVAC contractors cost in Norfolk County?
JobLowTypicalHighBasisChecked
AC replacementCA$5,460CA$8,400CA$11,350Per 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)October 2026
Furnace replacementCA$3,970CA$6,770CA$9,690Per system, installed; typical range of customer-reported jobs. US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026)October 2026

When to hire an HVAC contractor in Ontario

In Ontario, furnace and heat pump calls peak in the coldest winter weeks and AC calls in summer heat waves. Spring and fall are the easiest times to book maintenance or a replacement.

How we ranked Norfolk County HVAC contractors

We scored 95 Norfolk County HVAC contractors on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed October 22, 2026.

Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Norfolk County data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

HVAC contractors in Norfolk County: frequently asked questions

Who is the best HVAC contractor in Norfolk County?

By CR Score, the highest-ranked HVAC contractor in Norfolk County, ON is B.R.'s Plumbing and Heating with a CR Score of 63/100. It has 4.8★ from 236 Google reviews. It is open 24/7. Riverside Heating & Air Conditioning Inc. (#2) and Reliance Heating, Air Conditioning & Plumbing (#3) follow. We ranked 95 HVAC contractors on ten factors, last updated October 22, 2026.

How many HVAC contractors are there in Norfolk County?

ContractorsRanked ranks 95 HVAC contractors serving Norfolk County, ON. 36 of them are based in Norfolk County; the rest serve it from nearby towns. Another 20 within 40 km are listed but not ranked yet. Counts are as of October 2026.

Which HVAC contractors in Norfolk County are open 24/7?

25 ranked HVAC contractors in Norfolk County post 24/7 hours. The highest-ranked are B.R.'s Plumbing and Heating (#1), Riverside Heating & Air Conditioning Inc. (#2) and Reliance Heating, Air Conditioning & Plumbing (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in Norfolk County work on weekends?

41 of 95 ranked HVAC contractors post Saturday hours and 29 post Sunday hours. The highest-ranked open Saturdays are B.R.'s Plumbing and Heating (#1), Riverside Heating & Air Conditioning Inc. (#2) and Reliance Heating, Air Conditioning & Plumbing (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does ac replacement cost in Norfolk County?

AC replacement typically costs CA$5,460 to CA$11,350, with CA$8,400 typical (Per 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)). This is a national range, not adjusted for Norfolk County. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Norfolk County HVAC contractors have?

The median Google rating among 95 rated HVAC contractors in Norfolk County is 4.9★, with a median of 17 reviews. Reliance Heating, Air Conditioning & Plumbing has the most, 4,116 reviews, and ranks #3. We adjust ratings for review count, so a few five-star reviews cannot top the list.

When is the best time to hire an HVAC contractor in Norfolk County?

In Ontario, furnace and heat pump calls peak in the coldest winter weeks and AC calls in summer heat waves. Spring and fall are the easiest times to book maintenance or a replacement.

How does ContractorsRanked rank HVAC contractors?

Each HVAC contractor gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Update log for Norfolk County

  1. October 2026: CR Scores recalculated for 95 hvac contractors serving Norfolk County.

More HVAC contractors and Norfolk County pages

Other trades in Norfolk County