Troubleshooting Puzzle: A Chilly House Jim Johnson November 6, 2020 No Comments In this troubleshooting situation, the equipment is a gas pack, and the resident has called for service because the building “isn’t warm at all.”Read More
Don’t Mistake a Restricted Liquid Line for an Overcharge Technicians must distinguish between the two when servicing refrigeration systems John Tomczyk October 28, 2020 No Comments Distinguishing between a restricted liquid line and a system overcharge in a commercial refrigeration system is very important for service technicians.Read More
War Stories of a Refrigeration Technician Sharing experiences might help reduce the number of mistakes made in the field Joe Marchese October 25, 2020 One Comment Get any group of service technicians together, and we love to tell war stories of the mistakes we have made throughout the years.Read More
Tips and Tools for Residential Ventilation Inspections A methodical plan for figuring out an odor or airflow culprit can have a profitable ring to it all by itself Robert Beverly October 23, 2020 No Comments One key to this business is the commitment to establishing a thorough understanding of what is going on at the start.Read More
Troubleshooting Puzzle: A Walk-In Freezer That’s Operating Erratically Jim Johnson October 12, 2020 No Comments In this troubleshooting situation, you are dealing with equipment that has only been in operation for two months.Read More
Overcharge Symptoms Differ Due To Metering Devices TXVs, AXVs, and capillary tube systems will have varying evaporator pressures John Tomczyk September 23, 2020 No Comments There are varying types of symptoms that can occur when a refrigeration system has an overcharge of refrigerant.Read More
Six Tips to Improve Static Pressure Measurements Technicians can overcome frustration and doubt when learning this new skill David Richardson September 20, 2020 No Comments There are many technicians who have been measuring static pressure for a long time, and they have tips to make your life easier.Read More
Why Is a Refrigerant Distributor Needed? Technicians should understand the function of this component Joe Marchese September 17, 2020 No Comments Understanding the purpose of the distributor and how to properly size and install these components can be helpful to any refrigeration technician.Read More
Troubleshooting Puzzle: An Ice Machine That’s not Keeping up With Demand Jim Johnson September 5, 2020 One Comment In this puzzle, a restaurant manager complains that one of the ice machines in his high-volume establishment isn’t producing enough ice.Read More
Electrical Concepts for HVAC Technician Success Improving skills to enhance field capabilities Angela D. Harris August 31, 2020 No Comments Electricity is a powerful tool when harnessed correctly but a lethal danger when handled improperly.Read More