The Impact of Adding or Removing Water from Air Understand the effects of temperature and humidity changes Bryan Orr March 16, 2020 No Comments We often humidify and dehumidify as part of our work, but let’s take a different look at what happens when we do that.Read More
Troubleshooting Puzzle: An Older Split System That’s Not Keeping The Building Comfortable Jim Johnson March 13, 2020 No Comments The service history of this unit includes several electrical repairs, and in one instance, a leak in the sealed system was found and repaired.Read More
Don’t Mistake Liquid Line Restriction For an Undercharge of Refrigerant Ensure there is no restriction before adding refrigerant to system John Tomczyk March 9, 2020 No Comments In a refrigeration system, service technicians often confuse a liquid line restriction with an undercharge of refrigerant.Read More
Determining the Cause of Higher-Than-Normal Discharge Pressure Identifying the underlying reason for this condition can be tricky Joe Marchese March 9, 2020 No Comments Refrigeration systems operating at a higher-than-normal discharge pressure can be the result of several different issues.Read More
Compressors' Lives can Be in Danger From Moment of Installation Compressors don’t die, they’re murdered Joanna R. Turpin February 24, 2020 No Comments Many new systems have no chance of long-term success due to improper installation, said Martin Hoover of Empire Heating and Air Conditioning.Read More
Five Good Reasons Why A Good Compressor Can Go Bad Failures often result from installation mistakes and poor maintenance Joanna R. Turpin February 24, 2020 No Comments Compressor failures are often a result of installation mistakes and/or poor maintenance, which means that they can usually be prevented.Read More
Compressor Retrofits on the Rise in Commercial Refrigeration Energy-efficient upgrades need to be weighed against total system replacement Joanna R. Turpin February 24, 2020 No Comments Recommissioning a system can help determine if a compressor replacement makes sense, or if the whole system should be replaced.Read More
The Five Pillars Of Residential A/C Refrigerant Circuit Diagnosis Take all of these into account on each service call Bryan Orr February 17, 2020 No Comments Suction pressure, head pressure, subcooling, superheat, Delta T: Taking all five of these calculations into account is critical.Read More
Verifying a Proper Pump Down Following correct procedure can prevent damage to compressor Joe Marchese February 10, 2020 No Comments Refrigerant migration can be damaging to a compressor. The refrigerant migrating back to the compressor can possibly slug the component.Read More
Compressor Discharge Temperature Reflects How Equipment is Operating Keep an Eye on Discharge Line Temps John Tomczyk February 10, 2020 No Comments The compressor’s discharge temperature can tell the service technician what is going on inside a refrigeration or air conditioning system.Read More