HVAC companies · Ontario

HVAC companies in London, ON

143 HVAC contractors in London with phone numbers, 10 with email addresses. Search the list, unlock the ones you want and start calling today.

Get the London list freeSee a sample
143
businesses
100%
have a phone number
7%
have an email address (10)
—
average Google rating
Sample

A sample of HVAC companies in London

Twelve of the 143 HVAC contractors on the list. Phone numbers and emails unlock in the app — 1 credit per business, both together.

BusinessCategoryRatingWebsitePhoneEmail
Matthew's Home SvcGeneral Contractor; Heating, Ventilating and Air Conditioning Contractor; Painter—Yes(519) •••-••••Available
Homes MechanicalConstruction Supplies Store—Yes(519) •••-••••Available
Steve Young Plumbing & Heating LtdConstruction Supplies Store—Yes(519) •••-••••Available
Cool Zone Services IncHeating, Ventilating and Air Conditioning Contractor—Yes(519) •••-••••Available
PAK Heating and CoolingGeneral Contractor; Heating, Ventilating and Air Conditioning Contractor—Yes(519) •••-••••Available
Total Laminating Products LtdConstruction Supplies Store—Yes(519) •••-••••—
Forest City GasHeating, Ventilating and Air Conditioning Contractor—Yes(519) •••-••••—
Home Comfort SvcGeneral Contractor; Heating, Ventilating and Air Conditioning Contractor—Yes(519) •••-••••—
HTS Engineering LtdHeating, Ventilating and Air Conditioning Contractor—Yes(519) •••-••••—
London B U DGeneral Contractor; Heating, Ventilating and Air Conditioning Contractor—Yes(519) •••-••••—
Nova Hvac SystemsHeating, Ventilating and Air Conditioning Contractor——(519) •••-••••Available
Belform Insulation LtdGeneral Contractor; Heating, Ventilating and Air Conditioning Contractor—Yes(519) •••-••••—

Showing 12 of 143. Data refreshed October 2026.

The market

What London's HVAC contractors look like

0% of rated HVAC contractors here hold 4.5★ or better — there is room for businesses that push for reviews.
0 carry a perfect 5.0★ rating; 143 have no rating yet — prime prospects for review and reputation services.
72 (50%) have no website listed — a ready-made list for web design and SEO offers.
5% link a Facebook or Instagram page from their listing.

Most common listings

  • Heating, Ventilating and Air Conditioning Contractor57
  • General Contractor; Heating, Ventilating and Air Conditioning Contractor42
  • General Contractor; Heating, Ventilating and Air Conditioning Contractor; Plumber10
  • Heating, Ventilating and Air Conditioning Contractor; Plumber8
  • Construction Supplies Store5
  • Electrician; Heating, Ventilating and Air Conditioning Contractor2

Area codes

  • (519)133
  • (226)6
  • (647)1
  • (705)1
  • (905)1
  • (800)1
Playbook

How to sell to HVAC contractors in London

Heating, ventilation and air-conditioning contractors live and die by the phone. A missed call in a heat wave or a cold snap is a job that goes to the next company on the map, which is why HVAC owners pay attention to anything that fills the schedule or keeps the trucks busy.

Who sells to HVAC contractors

  • Marketing and SEO agencies (local search, Google Business Profile, paid ads)
  • Call answering, AI receptionist and booking software
  • Field-service software (dispatch, quoting, invoicing)
  • Equipment distributors and parts suppliers
  • Fleet, commercial insurance and equipment financing

What keeps owners up at night

  • Demand swings hard with the weather — feast in July and January, quiet in the shoulder seasons
  • Missed calls during peak weeks are lost revenue
  • Hiring and keeping licensed techs
  • Maintenance-plan renewals that slip through the cracks
When to reach themPitch growth and marketing in the shoulder seasons (spring and fall) when owners have time to think. In peak season, lead with anything that captures calls they're currently missing.
The angle that worksTalk about booked jobs, not clicks. "How many calls went to voicemail last July?" lands better than any feature list.
Reaching out in CanadaCold email to Canadian businesses falls under CASL, and phone outreach falls under the CRTC's telemarketing rules. A business address that's published publicly can support implied consent for messages relevant to that business, but every email still needs your identity and a working unsubscribe. Read our plain-English CASL guide and cold-calling rules before your first campaign.
FAQ

Questions about London HVAC contractors leads

How many HVAC companies in London, ON are in the database?
143 HVAC companies in London, ON, as of October 2026. 143 of them have a phone number and 10 have an email address.
How much does it cost to get these leads?
Every account starts with 25 free credits. Unlocking a contact (phone and email together) costs 1 credit. The Starter plan is $39/month for 2,500 credits — about 1.6¢ a contact — so the whole London list of 143 costs less than one month of Starter. See pricing.
Can I export the list to a dialer or CRM?
Yes. Unlocked contacts export to CSV, Excel or JSON with phone, email, website, address, category and rating, ready for any dialer or CRM.
Where does the data come from?
From public business listings — the same information HVAC contractors publish so customers can find them — cleaned, de-duplicated by phone number and refreshed regularly. Businesses can ask to be removed at any time.

HVAC companies in other cities

Toronto, ONMississauga, ONOttawa, ONNorth York, ONBrampton, ONScarborough, ONMarkham, ONOakville, ONAll HVAC companies →

Other businesses in London

Construction companiesLandscaping companiesCleaning companiesDental clinicsLaw firmsMedical clinicsEverything in London →

Start calling London HVAC contractors today

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