Commercial Services

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Our Expert Commercial Services

Weiss-Johnson provides highly rated Commercial Services to business across Edmonton.


Commercial Projects

Weiss-Johnson Mechanical can look after your project no matter what the size. Whether you require our services for new construction multifamily condos, tenant improvements, base buildings or renovations we can meet your HVAC and Plumbing needs on budget and in a professional and timely manner.


Roof Top Units (RTU)

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.


Service & Maintenance

As part of the vision of becoming a one stop shop, Weiss-Johnson acquired Federal Environmental Services (FES) a long-standing Edmonton based service and Maintenance Company. Weiss Johnson Service and Maintenance focuses on the heating, ventilation, plumbing, and refrigeration of commercial buildings.


Make Up Air Systems (MUA)

A make up air unit pulls air into your space from outdoors and conditions it to the indoor temperature, to replace air that's pulled out by your exhaust equipment. Without it, you get back drafting, poor temperature control, negative air pressure and air quality problems.


Boiler Installation

Boilers provide both hot water and heat for a wide range of commercial applications. Ensuring your boiler is serviced regularly can help you save on repairs and possible replacement costs.


Hot Water Tanks Repair and Replacement

Weiss-Johnson is ready and able to help with all Commercial Hot Water Tank Repair and Replacement.


Backflow Device Repair, Install and Testing

Weiss-Johnson's technicians are certified to repair, replace and test all domestic water backflow prevention devices including DCVA (Double Check Valve Assemblies or RPBP’s (Reduced Pressure Backflow Preventors).



Refrigeration equipment can range from a simple split system air conditioner installed in a condominium suite to multi ton chiller and condenser equipment used to cool commercial building spaces, warehouses, walk in coolers and even specialty equipment such as printing presses.


Cooling Tower Repair and Replacement

If your building is equipped with a cooling tower system, Weiss-Johnson has technicians able to diagnose and repair all issues that may arise


Exhaust Fan Repair and Replacement

Weiss Johnson can maintain Exhaust Fans and ensure that they are running safely and efficiently preventing majors costs down the road.


Sump Pump Repair and Replacement

Weiss Johnson can routinely maintain and check operations of your pumps and repair or replace them as necessary to ensure that your building is always protected.

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.