Understanding What a Cooling Ton Means Variables will also affect the capacity of a refrigeration system John Tomczyk March 4, 2021 No Comments Service technicians often confuse motor horsepower (hp) with tons of refrigeration.Read More
Refrigerant Migration Can Cause Valve Damage An automatic pump-down system can combat migration problems John Tomczyk February 16, 2021 No Comments In most refrigeration and air conditioning systems, refrigerant will want to travel, or migrate, to a place where the pressure is the lowest.Read More
Advice from Ben Franklin to Help Your Static Pressure Measurements How many hoses should you use with your manometer? David Richardson February 11, 2021 No Comments Let’s answer a common static pressure question — how many hoses should you use with your manometer?Read More
Troubleshooting Puzzle: An Under-Performing Heat Pump Jim Johnson February 5, 2021 2 Comments In this troubleshooting situation, the customer’s description of the problem is that the unit is “running a lot, and not keeping the building warm.”Read More
Make Sure the TXV Remote Bulb Is Properly Placed Poor thermal contact with the suction line can cause problems John Tomczyk January 26, 2021 2 Comments This article will explore the remote bulb and its proper placement on a system’s suction line.Read More
Always Protect Your Refrigerant Tubing Keep the end caps in place in order to keep out contaminants Joe Marchese January 26, 2021 No Comments It is much easier to prevent containments from entering a system then to deal with removing them or the system failure they will cause.Read More
Don’t Tuck Duct Issues Into the Install Updated attitudes and upfront adjustments can insulate these jobs from a host of problems. Robert Beverly January 17, 2021 No Comments The owner has bought into the project, the contract has been signed, and the design has been designed. Today is ductwork day.Read More
Measure System Temperatures to Diagnose Uncomfortable Rooms Advice for when HVAC equipment isn’t heating properly David Richardson January 11, 2021 No Comments Let’s look at how you can use a return grille and supply register temperature measurement to uncover one source of uncomfortable rooms.Read More
Oil-Coated Evaporator Tubes Can Cause Problems This condition may result in a loss of capacity and poor performance John Tomczyk January 7, 2021 No Comments Little by little, a compressor’s lubricating oil will eventually escape the compressor’s crankcase and enter the system’s tubing.Read More
Troubleshooting Puzzle: A Gas Furnace That’s Not Heating Jim Johnson December 11, 2020 No Comments Your troubleshooting situation this month involves an 80% single stage gas furnace that has been in service approximately seven years.Read More