All Posts By: Dan McCormick

4 “Check Engine” Warnings for Your HVACR System

As a company, we’ve observed and analyzed roughly 40,000 refrigeration systems over the past 20 years. In that time, we’ve seen the same pain points, and have heard the same…

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Oil-Filled Temperature Sensors for HVACR 101

Oil-filled temperature sensors are one of three, general sensor options along with electronic or gas-filled. Oil-filled may be worth considering if, for example, you wanted to track something like the internal…

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Restricted Refrigerant Flow? It Could be the Metering Device

One of the most common issues that a commercial or industrial refrigeration system contends with is restricted refrigerant flow. An issue with your metering device–the thermostatic expansion valve (TXV)–can cause…

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3 Solenoid Valve Issues That Can Derail Your HVACR’s Energy Efficiency

When it comes to the relationship between good performance, energy usage, and commercial/industrial refrigeration, there are many components we need to be cognizant of to ensure harmonious operation. In many cases, we know…

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The Future of HVACR Energy Efficiency: Monitoring-Based Commissioning

Monitoring-Based Commissioning (MBCx) is getting a lot of attention these days in the energy efficiency field. Why? Simply put, to save money in energy usage and maintenance costs of HVAC,…

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Understanding Your Commercial Electric Bill – The Energy Efficiency Charge

With each state, and with each utility company, the layout of your commercial energy bill is unique. They each have the same level of transparency, displaying your associated energy costs…

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Where’s the Most Expensive Ice in the World? On Your Evaporator Coils

We all know ice is great; it’s cheap, can be bought in bulk, and cools most things that we can think of that need to be cooled. But there are…

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Walk-in Cooler/Freezer Electric Defrost 101: Efficiency [Part 3]

Now that we know what electric defrost is, how it works and how much it costs—it’s time to talk about how to use it more efficiently by implementing several control…

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Walk-in Cooler/Freezer Electric Defrost 101: Cost [Part 2]

Last week, we wrote about why you need electric defrost for your commercial freezer and how it works. Here’s a quick refresher. A defrost system is necessary in walk in freezers that maintain…

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