How to Hire a HVAC Contractor in Newmarket
Your complete 2026 checklist for hiring a hvac contractor in Newmarket, Ontario. What to verify, what to ask, and what to avoid.
Hiring Checklist for Newmarket
Before hiring a hvac contractor in Newmarket, verify every item on this list. These steps protect your investment and ensure you are working with a qualified professional.
Verify TSSA registration for any gas appliance work
Confirm G2 or G1 gas fitter certification for gas-related jobs
Check WSIB coverage and liability insurance
Get quotes from at least 2–3 contractors for major installations
Ask about equipment warranties and labour guarantees
Verify they will obtain required permits and arrange inspections
Red Flags to Watch For
If a hvac contractor in Newmarket displays any of these warning signs, consider looking elsewhere. Protecting yourself starts with recognizing these patterns.
Not TSSA-registered but offering to work on gas appliances
Pushes a specific brand aggressively (may be getting kickbacks)
Cannot explain equipment efficiency ratings (AFUE, SEER)
Offers extremely low quotes without seeing your existing system
No written warranty on parts or labour
Wants to install without pulling permits
Questions to Ask Before Hiring
Are you TSSA registered?
Good answer: Yes, my TSSA registration is current. I can provide my number for verification.
What efficiency rating do you recommend?
Good answer: Based on your home size and usage, I'd recommend [specific AFUE/SEER] because [reason].
What warranties are included?
Good answer: The equipment has a [X]-year manufacturer warranty and I offer [X]-year labour warranty.
Will you handle permits and inspections?
Good answer: Yes, I take care of the gas permit and arrange the TSSA inspection.
Licensing Requirements in Newmarket
HVAC contractors working with gas-fired appliances in Ontario must be registered with TSSA. This is a legal requirement, not optional. TSSA registration ensures the technician is trained to work safely with gas systems. Verify credentials at TSSA (Technical Standards and Safety Authority). On ProScore, 44% of Newmarket hvac contractors have verified government licences.
Frequently Asked Questions
How do I find a good hvac contractor in Newmarket?
Start by comparing hvac contractors on ProScore, which aggregates 40,000+ verified reviews across 10+ data sources. Look for providers with ProScore scores above 70 and verified government licences.
What licences should a hvac contractor in Newmarket have?
HVAC contractors working with gas-fired appliances in Ontario must be registered with TSSA. This is a legal requirement, not optional. TSSA registration ensures the technician is trained to work safely with gas systems.
How many hvac contractors are in Newmarket?
ProScore tracks 9 verified hvac contractors in Newmarket.
Should I get multiple quotes from Newmarket hvac contractors?
Yes. Always get 2–3 written quotes for any job over $500. Compare not just price, but credentials, insurance coverage, and reviews across multiple platforms.
Related Guides
Compare HVAC Contractors in Newmarket
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