HVAC companies · Ontario

HVAC companies in Hamilton, ON

203 HVAC contractors in Hamilton with phone numbers, 90 with email addresses. Search the list, unlock the ones you want and start calling today.

203
businesses
100%
have a phone number
44%
have an email address (90)
4.7★
average Google rating
Sample

A sample of HVAC companies in Hamilton

Twelve of the 203 HVAC contractors on the list. Phone numbers and emails unlock in the app — 1 credit per business, both together.

BusinessCategoryRatingWebsitePhoneEmail
Nik Heating N CoolingHVAC contractor4.9★Yes(647) •••-••••Available
United Refrigeration Of Canada LtdWholesaler4.9★Yes(905) •••-••••Available
Taylor Heating and CoolingHVAC contractor5.0★Yes(905) •••-••••Available
Boiler TechHVAC contractor5.0★Yes(289) •••-••••Available
Spurr Heating & Air ConditioningHVAC contractor4.9★Yes(905) •••-••••Available
Haven Heating and Cooling Ltd.HVAC contractor5.0★Yes(289) •••-••••Available
Mattina Mechanical LtdMechanical contractor5.0★Yes(905) •••-••••Available
Profitech Supply Inc.Heating equipment supplier4.8★Yes(289) •••-••••Available
Element Heating and Gas Inc.Gasfitter5.0★Yes(905) •••-••••Available
Hamilton HVAC IncHeating equipment supplier5.0★Yes(905) •••-••••Available
Wolseley HVAC/RPlumbing supply store4.7★Yes(905) •••-••••Available
Fox Refrigeration & HVACHVAC contractor4.7★Yes(905) •••-••••Available

Showing 12 of 203. Data refreshed October 2026.

The market

What Hamilton's HVAC contractors look like

84% of rated HVAC contractors here hold 4.5★ or better — a competitive market where reviews are table stakes.
94 carry a perfect 5.0★ rating; 27 have no rating yet — prime prospects for review and reputation services.
52 (26%) have no website listed — a ready-made list for web design and SEO offers.
40% link a Facebook or Instagram page from their listing.

Most common listings

  • HVAC contractor146
  • Air conditioning contractor8
  • Plumber7
  • Heating equipment supplier6
  • Heating contractor6
  • Air duct cleaning service5

Area codes

  • (905)130
  • (289)36
  • (647)10
  • (365)5
  • (437)5
  • (416)4
Playbook

How to sell to HVAC contractors in Hamilton

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 Hamilton HVAC contractors leads

How many HVAC companies in Hamilton, ON are in the database?
203 HVAC companies in Hamilton, ON, as of October 2026. 202 of them have a phone number and 90 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 Hamilton list of 203 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.

Start calling Hamilton HVAC contractors today

25 free credits, no card. Search "HVAC companies in Hamilton" and unlock your first 25 contacts.