Here’s why Edmonton businesses trust Weiss-Johnson to keep their HVAC systems running at peak performance year-round: When the heating or cooling system in a commercial building fails, it’s more than an inconvenience—it’s a direct hit to productivity, customer comfort, and your bottom line.
So, do you manage a warehouse, office complex, retail location, or industrial site? Our licensed commercial HVAC technicians deliver precision maintenance that prevents breakdowns, extends equipment life, and improves energy efficiency. We don’t do patchwork fixes—we build long-term reliability into every visit.

From single-location businesses to multi-building facilities, we provide maintenance that minimizes risk and maximizes uptime.

We don’t wait for things to break. Our preventative maintenance plans are designed to identify issues early, reduce energy waste, and prevent costly system failures before they happen.

From quarterly rooftop unit checkups to full mechanical room service, we tailor our maintenance to match your equipment, usage patterns, and budget. We do not use a one-size-fits-all method.

Our certified techs know commercial HVAC inside and out. We service all major brands and have hands-on experience with packaged rooftop units, boilers, VRF systems, and more.

Every visit includes a detailed inspection report for your records—ideal for facility managers, insurers, and regulatory compliance.

Emergency? Our maintenance clients receive priority scheduling for any service issue—so you’re never stuck waiting in a crisis.