Commercial Refrigeration
Installation & repair for walk-in coolers, freezers, and ice machines. Specializing in commercial refrigeration including walk-in coolers and freezers.
Serving Waterloo Region
Since 1987
For over 35 years, McLean Mechanical has been the trusted name in commercial, and residential HVAC and refrigeration services. From walk-in coolers to rooftop units, furnaces to ice machines - if it heats, cools, or keeps your operation moving, we’ll install it, fix it, and keep it running like it should.
Emergency Service 24/7
2-year Limited Parts Warranty
High Quality Worksmanship
Fair and Honest Pricing
About Us
Proudly serving Kitchener-Waterloo, Cambridge, Guelph, and Southern Ontario since 1987, McLean Mechanical is your trusted partner for expert commercial, and residential HVAC and refrigeration services.
For over 35 years, we’ve built our reputation on honest service, fair pricing, and reliable solutions that keep your systems running when it matters most. From walk-in coolers and rooftop units to furnaces, air conditioners, boilers, and ice machines - if it heats, cools, or keeps things moving, we install it, service it, repair it, and back it up with confidence.
We don’t just fix equipment, we build trust.
Led by owner and founder Ralph McLean, our team is committed to fast response times, clear communication, and delivering real solutions, not sales pitches. We’re proud to offer one of the only 2-year limited parts warranties in the Tri-City region, because quality work deserves a quality guarantee.
Available 24/7 for emergency service, our fully licensed and insured technicians handle projects of any size - whether you're outfitting a new commercial space, troubleshooting a failing system, or just need a routine maintenance check to keep things running efficiently.
Our Services Include:
- Commercial Refrigeration Installation & Repair
- Walk-in Coolers, Freezers & Ice Machines
- HVAC System Installations & Upgrades
- Furnace, Boiler, and A/C Service
- Water Heater and Pool Heater Installations
- Natural Gas Equipment Installations
- Emergency & Portable Refrigeration Rentals
At McLean Mechanical, we do the job right the first time, and we stand behind our work.
When your equipment fails, call the name that’s kept Southern Ontario running strong for over three decades.
McLean Mechanical - Honest. Reliable. Experienced.
Our Services
HVAC Systems
Installations, upgrades, service, and maintenance for furnaces, boilers, air conditioning units, rooftop heating and cooling units, and water heaters.
Restaurant Equipment
Repair and maintenance services for restaurant appliances.
Gas Lines
Licensed, insured natural gas line installation, connection, and repair services.
Emergency Services
24/7 emergency repairs, portable refrigeration rentals, and priority response for critical breakdown situations.
Preventative Maintenance
Customized HVAC and refrigeration maintenance programs to keep your equipment running efficiently and prevent costly downtime.
Sales
Offering new and used HVAC and refrigeration equipment and parts.
Furnace, Boiler & A/C Service
Expert diagnostics, repairs, and maintenance for heating and cooling systems of all types and sizes.
Water Heater & Pool Heater Installations
Reliable installations and servicing for water heating and pool heating equipment for homes and businesses.
Natural Gas Equipment Installations
Licensed, insured gas line hookups, equipment connections, and new appliance installations.
Emergency & Portable Refrigeration Rentals
24/7 emergency response, repairs, and mobile refrigeration solutions for critical breakdown situations.
Site Reviews
★★★★★
“Very professional service. Showed up on time and worked in a very professional manor. Was very friendly, knowledgeable and able to explain every part of the job to me to ensure I understood what was required. Will definitely call again”
Brandon Danner
★★★★★
“Ralph was on time, kind and professional. He identified the problem quickly and explained the issue in detail for me. The entire call was under an hour and done for a great price!”
Vee T
★★★★★
“👍👍”
Tyler McLean
★★★★★
“I've used McLean Mechanical several times and have always received top-notch service. My furnace was on the fritz. The owner was quick to respond to my inquiry and arranged an appointment promptly. Very personable, knowledgeable and efficient. He even took the time to show me the issue and walk me through a couple of options. The problem was fixed quickly and for a great price. If you're looking to get the job done right, McLean Mechanical should be your first call.”
Jennifer Donaldson
★★★★★
“Our AC wasn’t working during a lovely heatwave, and we had been told we would need a new unit. We called Ralph to get a quote. From the moment he took our call he was very friendly and professional. We were very lucky to be squeezed in that day, and thrilled to learn that we only needed minor items. It’s great to know there are honest people out there, so happy we don’t need a new unit for a few more years. I will use him in the future and recommend to everyone!”
Erin McCann
★★★★★
“I was in a pinch, my water heater broke down and I didn't realise until 7 pm, the next morning when the new water heater was delivered, I called McLean Mechanical, Ralph was there, tools in hand to save the day on an hour notice. Less than an hour, he was out, and the hot water was on. Price was reasonable, and Ralph was super nice, thank you!! I hope I dont need service again, but I would definitely call them first if I do!!”
Lea Philips
★★★★★
“What a fantastic man to deal with, he was to our house a few years back for a patch fix on our furnace. So earlier this spring the furnace decided it was done. So we contacted Ralph, and had a new furnace installed this week. Highly recommend him!”
Jennifer Boucha
Contact Us
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Service Areas
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