Roof Top Unit (RTU)

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Roof Top Unit Installation

Your Roof Top Unit (RTU) provides heating and cooling to your commercial space. Ensuring maintenance is completed on regular intervals is imperative to keeping the unit running and decreasing the number of costly breakdowns. Should you require service or repair on these units we have the knowledge and skills sets to trouble shoot and repair any items that may come up. We can also offer a full range of services related to the replacement of these units.



Weiss-Johnson Mechanical words hand in hand with VISTA Financing to provide the best financing options available. View more information.

Brands of RTU We Install






Parts of RTU We Replace

Blower Motors

Control Boards



Inducer Motors

Ignition Assemblies



Parts of RTU We Repair

Blower Motor Replacements

Economizer Repairs and Replacement

Gas Valve Replacement

Controls Repairs

Ignition Assy Replacement

Our Work

Emergency Service Available

We povide emergency service on all Roof Top Unit Installation And Repairs. For commercial expertise with on-time service, let Weiss-Johnson be your first choice.

Interested in a Roof top unit installation or maintenance?

Ready to go 24/7/365

Weiss-Johnson is Edmonton's 1st Choice for all your Heating, Air Conditioning and Plumbing needs.

Our certified technicians are available 24/7 year round to ensure that you can get help whenever that may be. Our team is committed to total customer satisfaction no matter what time of day it is.

What Our Customers Say About Us

"The guys were very friendly. They took lots of care and attention when removing the old furnace and replacing it with the new one to not damage anything along the way. Once finished they took the time to explain the operation and go through any questions we had. I would definitely use them again."

- Kyle J.


"This review is for Noel who came to my home to see why our electric air cleaner was not working. He was punctual and super friendly. Found the problem within 15 minutes. Had the part ordered, and 9 days later it literally only took him 3 minutes to replace it for us!"

- Joy H.


"Booking an appointment for a furnace checkup was a very quick and simple phone call. The technician was on time as promised, very knowledgeable and professional. It gave us piece of mind that our 10 year old furnace was in good working order."

- Nicolas L.