Service and Maintenance - Articles - Page 9

Basic Refrigeration: Major Components in the System

This second part of the series describes what techs need to know about components

April 30, 2023

In order to install or diagnose issues in a refrigeration system, technicians must first have a solid grasp of its key components.

Choosing, Selecting, and Utilizing a Refrigerant Leak Detector

Paul Flora

April 27, 2023

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Know what type of detector you are using, know how to use it, and ensure it’s capable of detecting leaks by calibrating it on a regular basis.

Technicians Servicing Refrigeration Equipment

What Causes High Compressor Discharge Temperatures?

Technicians must take measurements of a system in order to determine the problem

John Tomczyk

April 12, 2023

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There are several reasons why a refrigeration or air conditioning system may have high compressor discharge temperatures. That’s why technicians must carefully measure the system’s temperatures and pressures to determine the problem.

When to Repair or Replace an Evaporator Coil

Where the leak is located may determine whether a coil can be repaired

Joe Marchese

April 12, 2023

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When faced with a leaky coil on a reach-in cooler, a decision needs to be made whether to repair or replace it. The final decision may come down to where the leak is located.

Four Factors that Influence Duct Renovation

Depending on duct location, duct losses often hide oversizing

David Richardson

April 3, 2023

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Correcting a duct system on oversized equipment can be a costly mistake that you’ll regret.

Design Practices for Building and Modifying Duct Systems

HVAC ductwork: Set it and forget it, right?

Matt Jachman

March 28, 2023

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Calculated, deliberate ductwork design and construction are major factors in how effectively and efficiently a forced-air HVAC system works.

Checklists Can Help Determine What Is Causing the Problem in a Refrigeration System

Confusing High-Side Temperatures

John Tomczyk

March 22, 2023

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There are several reasons why the compressor discharge temperature of a refrigeration system can be high when the condensing temperature is not, and a checklist can help a technician figure out the root problem.

Proper Charge Is Critical for Microchannel Coils

Incorrect amount of refrigerant could reduce performance, efficiency, and reliability

Joanna R. Turpin

March 20, 2023

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Microchannel coils are lightweight, offer better heat transfer, and use less refrigerant than traditional fin-and-tube coils; however, care must be taken when charging, as even a few ounces could reduce a systems’ performance, efficiency, and reliability.

Triple Play Home Services Acquires Comfy Bear Plumbing, Heating, and Air

March 10, 2023

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Triple Play Home Services, a home service provider based out of Edmond, Oklahoma, acquired Comfy Bear Plumbing, Heating, and Air, an established HVAC and plumbing company based in Oklahoma.