Gas Appliance Hookups & Conversions
Toronto, Mississauga & Scarborough
Fast, professional gas appliance hookups and conversions across the GTA with $129 $99 safety assessment credited toward your service.
Trusted Gas Appliance Hookups & Conversion Services
Safe, code-compliant appliance connections and conversions, performed by TSSA Certified Professionals.
- Toronto
- Mississauga
- Scarborough
- and Surrounding
New Gas Appliance Hookups
Professional installation and connection of new gas appliances with proper shutoff and pressure checks.
Gas Appliance Conversion
Convert units between natural gas and propane (where permitted) with correct regulators and fittings.
Range & Stove Gas Connections
Gas routing, pressure testing, and certified hookups that meet local codes.
Gas Dryer Line Installation
Safe installations for gas dryers with secure supply lines and shutoff valves.
Fireplace & Insert Hookups
Gas fireplace connections and conversions for indoor units with proper venting and safety testing.
Outdoor BBQ & Patio Appliance Lines
Cleanly routed gas lines to outdoor BBQs, heaters and patio fixtures.
Same-Day Gas Appliance Hookup & Conversion Availability Across the GTA
We provide fast, reliable appliance hookup & conversion throughout the Greater Toronto Area, with same-day availability.
- Toronto
- Mississauga
- Scarborough
- and Surrounding
If your city is not listed, call us and we will confirm same-day service availability.
Appliances & Conversions We Serve
We install and convert gas connections for most residential and light commercial applications:
- Gas stoves and ranges
- Gas dryers
- Gas fireplaces and inserts
- BBQs & outdoor cooking stations
- Garage and workshop heaters
- Tankless water heaters
- Outdoor patio heaters and fire pits
Not sure if your system is included? Call and we will confirm.
How Our Gas Appliance Hookup & Conversion Service Works
Simple, thorough, safety-first process.

Book Your Appointment
Only $99 same-day professional hookup and gas type conversion for all appliances.
1

On-Site Appliance Connection
Safe, code-compliant connection with proper shutoff valves, approved connectors, and secure fittings.
2

Conversion & Code Review
Natural gas and propane conversions completed to manufacturer specs and Ontario safety codes.
3

Testing & Final Approval
Leak testing, pressure checks, and safe operation confirmed before job completion.
4
No surprises. No pressure. Just safe, professional gas appliance hookup & conversion service.
Emergency Gas Appliance Assistance
Gas smells, pressure issues, or unexpected performance problems should be addressed immediately.
- Rapid response for suspected leaks
- Appliance connection safety checks
- Emergency shutoff isolation guidance
- Same-day support across the GTA
If you smell gas or suspect a problem, call right away.
What Our Clients Say
“Mark has done two jobs for us! He is super friendly and knowledgeable. Shows up on time and works cleanly and efficiently. Recommended!!”
Pouya Hamidi.
“Certified Mechanical was excellent. They were prompt, diagnosed all possibilities of the problem, came up with a solution, and executed. I was very pleased with the service and the technician. Thank you. Jacob.”
Jacob Rambaran.
“Best service around. These guys care and have a great system for clear and quick communication. Much appreciated!”
Michael Gingerich.
“Finding a good appliance repair company is really hard… or it was, until I called Certified Mechanic. They came the next day, on time, and Rinaldo was pleasant and professional. CM is now my go-to!”
Ky Joseph.
Why Choose Certified for Gas Appliance Hookups & Conversions
Your safety and satisfaction matter:
- Same-day hookup and conversion options
- Licensed, certified gas technicians
- Upfront pricing and clear explanations
- Compliance with Ontario and local codes
- Residential and light commercial services
- Safety-first approach focused on prevention, not upselling
- Locally owned and operated company
Over 16+ years combined industry experience, homeowners across the GTA trust us for safe, precise gas appliance hookups and conversions completed to strict safety standards.
Frequently Asked Questions About Gas Appliance Hookups & Conversions
Yes, we connect new gas appliances and perform permitted conversions between fuel types.
Absolutely, every installation includes pressure testing and safety verification.
Yes, we install supply lines and shutoff valves for gas dryers, BBQs, and outdoor appliances.
Permits may be required for certain conversions or new installations, we help guide you through local requirements.
Most residential hookups are completed in a few hours depending on access and routing complexity.
Yes, we provide clear upfront pricing before any work starts.
In many GTA areas, yes, call to confirm availability.
Do You Need a Gas Appliance Hookup or a Gas Conversion?
Hookup Is Recommended When…
You’ve Purchased a New Gas Appliance
Any new gas stove, dryer, BBQ, or fireplace must be connected correctly to ensure safe operation.
You’re Replacing an Existing Appliance
Even simple replacements require updated connectors, proper shutoff placement, and testing.
The Appliance Was Never Properly Connected
Incorrect or DIY hookups can lead to leaks, poor performance, or code violations.
You Want a Safe, Code-Compliant Setup
Professional hookup ensures correct sizing, approved fittings, and final safety checks.
Conversion May Be Needed If…
You’re Switching Between Natural Gas and Propane
Appliances must be converted correctly to match the fuel type and pressure requirements before use.
The Appliance Was Moved or Reinstalled
Relocation may require conversion, reconfiguration, or updated components to meet code and safety standards.
Manufacturer Conversion Kits Are Required
Many appliances need certified parts and procedures to remain warranty-compliant.
An Inspector or Utility Has Flagged the Appliance
If a unit was tagged or flagged, conversion and verification may be required to restore service.
Not sure which option makes sense?
Call 1-866-492-4959 to speak to our technicians and we will walk you through it.
Book Your Gas Line Service Online!
Our team will contact you shortly to confirm your booking.