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In this course, we learn how to diagnose and repair common faults in the rack and cases of a parallel rack refrigeration system. We learn the symptoms of the most common failures. We get hands-on experience diagnosing and repairing those problems...

Commercial kitchens rely on upblast exhaust fans to remove grease and smoke from the building. Exhaust systems reduce the risk of fire and improve air quality in the building. To follow local regulations businesses must schedule routine maintenance...

A well-working exhaust fan is essential to the functioning of the entire CHVAC system. Fans are one of the most reliable components of a CHVAC system. Still it's important to have an ongoing schedule of preventive maintenance for exhaust fans. In...

In this course on Tankless Water Heater Troubleshooting we will explore the troubleshooting tasks of a tankless water heater unit. With each scenario you will be guided with simulation based steps to check for key signs of different faults through...

In this course on Manual Flushometer Troubleshooting we will explore the troubleshooting tasks of diaphragm-based manual flushometers. With each scenario you will be guided with simulation based steps to check for key signs of abnormal flushing as...

This course will introduce learners to basic hand tools required for residential and commercial plumbing work across various tasks. We will orient you to their basic characteristics when they are used and how they are utilized on the job site. We...

By the end of this course learners will understand the fundamental concepts of backflow and specific hazards related to it. They'll learn about the differences between the two causes of reverse flow, backpressure and backsiphonage–and be introduced...

In this course you will learn about identifying outdated and unsafe electrical setups recognize the hazards associated with them and how to assess and mitigate those hazards while prioritizing safety. You will also be reminded to assume that older...

Cold stress is when the body can no longer maintain a normal temperature due to cold temperature exposure. Anyone working in cold conditions is at risk for cold stress. This course covers the risk factors cold stress illnesses symptoms treatment and...

Without experience towing a trailer can be one of the more daunting tasks for a tradesperson. To account for the added height weight and length of a trailer there are a few best practices that should be followed. This course will outline the main...