ISO Trained HVAC Mechanics

McCook, Nebraska is in southwest Nebraska. We are approximately 30 minutes from the Kansas border and 60 minutes from the Colorado border. McCook is centrally located with Cheyenne, Omaha, and Denver approximately 4 hours’ drive. The city encompasses a little over 5-miles and has a population of about 7,500. We are a progressive community with … More ISO Trained HVAC Mechanics

Boiler Safety

Winter means an increase in boiler accidents. Proper care and maintenance of your boiler can reduce hazards that result in accident like low water levels, excessive pressure, and combustible gases in the firebox. Most routine maintenance can be done by the boiler owner however trained professional are needed in the following circumstances:• Leaky safety valves• … More Boiler Safety

What is Air Exchange

Air exchange is the measure of how many times the air in a room is replaced by conditioned air in an hour.  Why do we care? The conditioning of air does more than just change the temperature of the air. It changes the moisture level, removes dust particles, and adds fresh air to a room. … More What is Air Exchange

Ice Machine Diagnosis

A common mistake made by HVAC/R technicians in ice machine diagnostics is thinking ice build up in the machine is caused by low refrigerant charge.  While ice build up can be a sign of low charge, it is always a sign of low pressure.   Problem: The technician is called about a machine not keeping up … More Ice Machine Diagnosis

True Costs to Replace

This week I would like to discuss a problem near and dear to my heart: the argument of replacing vs repairing equipment which is influenced by the technician’s ability to troubleshoot.  Whether you are a maintenance manager or business owner, I will bet you have encountered this scenario in your career:   You call a … More True Costs to Replace

Compressor Frost

As a follow up on the Ice Machine Diagnosis post, I would like to bring your attention to a good article I read recently in the February 5, 2018 issue of the NEWS, a multimedia publication focusing on air conditioning, heating, and refrigeration.  The article, Is Frost Accumulation Acceptable?, by John Tomczyk, provides tips for larger unit … More Compressor Frost

A Clean Condenser

The condenser, one of the four major parts of a refrigeration system, is designed to remove heat from the high-pressure refrigerant gas, producing a high-pressure refrigerant liquid.  In a typical air-cooled system, whether chiller, refrigerator, or air handling system, this forced air process does more than just condensing.  This air also serves as cooling for … More A Clean Condenser