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HVAC Contractors in Guelph

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Businesses in Guelph

This selection shows 10 businesses. Owner-claimed first, then profiles with more recorded details.

Finding hvac in Guelph

Compare the business details above against what you need. Confirm that a business can help at your location, ask about availability, and agree on the scope and price before booking. The listed town and public category are recorded facts, not a recommendation or a licence check.

Need a different area or service? Change the finder at the top of this page. The separate live name A–Z path can have different coverage from this ranked collection.

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HVAC Market in Guelph

10
Businesses Listed
80%
With a Phone Listed
100%
With Websites
0%
Claimed Listings

Counts cover the 10 listings shown on this page.

Hiring a HVAC in Ontario

Avg Job Value

$3,500

Peak Season

Year-round (peak: Nov-Feb heating, Jun-Aug cooling)

What to Look For

  • Licensed and TSSA-certified
  • 24/7 emergency availability
  • Written warranty on parts and labour

Tips Before You Hire

  • 1.Ask for TSSA registration number (mandatory in Ontario)
  • 2.Get quotes from at least 3 contractors
  • 3.Check if they service your furnace brand

HVAC Cost Guide — Guelph (2026)

Typical price ranges for hvac work in Guelph. Get at least 3 quotes to compare.

Furnace Replacementinstalled
$3,500$5,500$8,000
Ac Installationinstalled
$3,000$4,500$7,000
Ductworkfull system
$2,000$4,000$8,000
Annual Maintenanceper visit
$100$175$250

Prices in CAD. Based on typical Ontario contractor quotes, 2026. Actual costs vary by scope, materials, and access.

HVAC Licensing in Ontario

Required Licence

TSSA Gas Technician Certificate (G1, G2, G3)

Verify a Contractor

Gas work requires TSSA certification. Refrigeration requires ODP certification.

Red Flags to Watch For

  • No TSSA number
  • Won't pull permits
  • Cash-only deals
  • No WSIB clearance

Guelph Homeowner Resources

Official municipal links for permits, bylaws, and services

City Hall

City of Guelph

519-822-1260

Building Permits

Apply for a Permit

519-837-5615

Better Business Bureau

Check BBB Ratings

519-579-3080

Electricity

Property Tax

Tax Information

Ontario Contractor Verification

Verify licences, insurance, and credentials before hiring

WSIB Clearance

Verify Contractor Coverage

1-800-387-0750

Electrical Safety (ESA)

Verify Electrician Licence

1-877-372-7233

HVAC/Gas (TSSA)

Verify HVAC Licence

1-877-682-8772

Consumer Protection

File a Complaint

1-800-889-9768

What to Book This Season

September — November in Guelph

Furnace tune-upWindow/door replacementInsulation upgradesEavestrough guardsDriveway sealingWeatherproofing

Fall is the sweet spot — contractors are less busy, prices drop, and you prepare for winter.

Before You Hire a Contractor in Guelph

  • Get at least 3 written quotes for comparison
  • Verify WSIB clearance certificate (protects YOU from liability)
  • Check Google reviews AND ask for local references
  • Confirm they will pull all required permits
  • Never pay more than 10-15% deposit upfront
  • Get everything in writing — scope, timeline, payment schedule
  • Verify their business insurance is current
  • For regulated trades (electrical, plumbing, gas), verify their license number

Ontario law: Ontario's Construction Act provides a 10% holdback right on construction projects. Learn more

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Useful details before you choose

What does the count on this HVAC in Guelph page mean?
This selection shows 10 businesses. It does not include every business. Alphabetical browsing uses separate live listings and can have different coverage.
How are listings ordered?
Owner-claimed listings come first, then profile completeness and name. Sponsored placements are labelled and do not change the organic order.
Does a listing mean NSO endorses a business?
No. Check that the business offers what you need. Ask about relevant qualifications, insurance and licensing, and confirm those details with the business or issuing organisation.
How do I compare options?
Read the recorded business details, ask about availability and request a quote for your actual requirements. Confirm the scope and price before booking.
What if a business is missing or its details are wrong?
Use Add a missing business or Claim an existing listing. These are reviewed requests; they do not automatically publish a record or verify ownership.

Resources for HVAC in Guelph

Guides & Cost Estimates

HVAC GuideCost Guide

Homeowner Knowledge Base

Hiring ChecklistContractor Red FlagsOntario Contractor LicensingWSIB Homeowner GuideBuilding Permits OntarioConstruction Act HoldbackPayment GuideSeasonal MaintenanceConsumer Protection

HVAC Contractors in Nearby Cities

HVAC Contractors Niagara FallsHVAC Contractors St. CatharinesHVAC Contractors WellandHVAC Contractors Fort ErieHVAC Contractors Port ColborneHVAC Contractors ThoroldHVAC Contractors PelhamHVAC Contractors Grimsby

Listing data checked October 10, 2026. Owner-claimed listings first, then the most complete.

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