Whether you own a store, supermarket, large commercial kitchen, liquor store, flower shop or any number of other business that deal in perishable products you may have a walk-in cooler or walk-in freezer that, like any other piece of mechanical equipment, can be maintained by the end user. Some things that are done on a…
Seven HVAC signs that your system may not be operating correctly. 1. Your HVAC unit constantly starts and stops While it is normal for an HVAC unit to start and stop a couple of times per hour while operating normally, however, if it is starting and stopping more frequently then chances are there is an issue….
Filters, what are they and why do we need them? Almost all of the HVAC equipment in operation today will contain some type of filters within it. Whether it is an air filter or a filter within a refrigeration circuit, very few systems are filter free. The first filter we will discuss is the standard air…
I know it’s hard to believe but the heating season is nearly upon us; when was the last time your HVAC unit was inspected? Was it inspected correctly? Are the signs of an issue there but going unnoticed? While most HVAC systems are fairly straightforward and usually simple units to work on, there are many…
The following is a true story of a recent Icemasters encounter. I recently received a call from the owner an un-named boiler company, he asked me if I could go to an air conditioning job which they had recently installed to evacuate and charge the line sets. He explained to me that he let go…
Is your HVAC thermostat set and operating correctly? With overwhelming advances in technology today sometimes a simple task such as setting your HVAC thermostat up correctly can seem fairly difficult. Most people would look at it and say yep its set for 22 degree celsius; its good. There are many factors to consider when programming a…
One very important function of any Roof Top HVAC unit (RTU) is to perform cooling whenever it’s needed no matter what the outside temperature is or what season it is. This can be accomplished through the function of the economizer. Its very critical that the HVAC setup and verification be performed during unit function checks…
Its hard to believe that air conditioning season is close upon us and it seems to be coming much sooner than it usually does. We have been seeing much higher than average temps on an almost daily basis. What does this mean, well I believe that we could see one of the hottest summers on…
If you’re in the market to have a walk-in cooler or walk-in freezer built for cold storage there a few questons that are vital in its design process. It’s like buying any other product… when it comes to price the sky is the limit. Size, add ons, extras and features all add to the cost. What…
A very important and hopefully not overlooked aspect of refrigeration systems is the refrigerant itself. Most systems are quite complex and have many valves, service ports, gaskets, etc. Throughout the life of the equipment it is likely that at some point it will have a refrigerant leak. As mechanics one of our most important tasks…
It pays to know your refrigerated product; A few tips that may save you some big bucks!!! One of the most common issues with the longevity of evaporator coils in your refrigerated space has to do with the types of foods being stored and how they are being stored within the space. The first and most…
There are a lot of misconceptions and bad practice going on surrounding the use of infrared temperature guns. Being in the HVAC industry, we see a lot of misuse and thought a breakdown on how they work and how to best use them will help you get the best results. The distance and accuracy First of…