#evacuation

Tech Tips:

Two Tips for Tough Vacuum Jobs
By:Matthew BrunerIn the last year or so, I have had a couple of puzzling experiences related to pulling a vacuum. These instances have left me with questions and clues where I thought I had given up on understanding a certain vacuum situation. Typically, if I’ve had a hard time achieving a proper vacuum, I would […]
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5 Install Mistakes that Kill Systems
By:Bryan OrrWhen we install systems, we should have three main goals in mind: maximizing longevity, efficiency, and capacity. We want our units to work as long as possible, use the lowest amount of energy, and move the greatest amount of BTUs possible with a proper mix of sensible and latent heat transfer. Unfortunately, some installation […]
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Can Pulling a Vacuum too Fast Freeze Water/Moisture?
First, I want to give credit where credit is due. This post is made possible by the fantastic demonstration video by Neil Comparetto that I embedded below. Before you get bored and stop reading, I want to get the conclusion out in the air. Ice can form in a vacuum, but I still advise pulling a […]
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Testing the Leak Rate on Your Micron Gauge Itself
As a technician gains skill, they will learn that regularly testing your tools is a huge part of success. It isn't long in the field before techs find out that just because a meter or gauge gives a particular reading, it doesn't ALWAYS mean it is correct. Vacuum is one of these areas. Everything in […]
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Testing the Leak Rate on Your Micron Gauge Itself
As a technician gains skill they will learn that regularly testing your tools is a huge part of success. It isn't long in the field before techs find out that just because a meter or gauge gives a particular reading it doesn't ALWAYS mean it is correct. Vacuum is one of these areas. Everything in an […]
Read more
How Long Should I Evacuate a System?
This article was written by Jim Bergmann with MeasureQuick. Anyone who has ever picked up a vacuum pump has asked or been asked this question. To be truthful, it is like asking, “How many licks will it take to get to the center of a Tootsie Roll Tootsie Pop?” In the words of the wise […]
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Replacing a Piston w/ TXV and Evacuation
We get a lot of questions about both evacuation procedure and TXVs so last week we produced videos on both topics, including: • Before and after testing of piston vs. TXV • Using the Bluvac Measurequick app • Use of core remover tools for evacuation • Flowing nitrogen • creating an external equalizer port and […]
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Videos:

How to Evacuate an AC system, Full Vacuum Procedure
In this first video Bryan goes deep into how to evacuate or “vacuum” an air conditioner in a video collaboration with Paul from The Engineering Mindset channel. We also wrote an article on evacuation for the ACHR NEWS that you can find HERE Article on proper micron gauge placement HERE Can you freeze water in […]
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Testing the Leak Rate on Your Micron Gauge Itself
As a technician gains skill they will learn that regularly testing your tools is a huge part of success. It isn't long in the field before techs find out that just because a meter or gauge gives a particular reading it doesn't ALWAYS mean it is correct. Vacuum is one of these areas. Everything in an […]
Read more

Podcasts:

Vacuum and Recovery in an A2L World with Jesse Stewart
By:Bryan Orr  In this podcast, Bryan Orr interviews Jesse Stewart from NAVAC about A2L refrigerants and compatible tools and safety procedures. They discuss how NAVAC has a full line of A2L-compatible tools for evacuation and recovery, including the new NR7 and upgraded models of the NRDDF and NRDD. Jesse explains key features that make […]
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Evacuation 101 w/ Jim Bergmann (Podcast)
By:Jim BergmannBryan Orr In this episode of the podcast, Jim reviews the basics of evacuation and dehydration. He also covers hoses and vacuum gauge placement. Evacuation may just seem like a method to suck air and water out of a system. However, it is an intricate science that lacks a lot of detail in most […]
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Evacuation, Recovery, and Dehydration Facts Podcast
By:Bryan Orr In this episode, Bryan covers evacuation, recovery, and dehydration. Evacuation refers to putting a vacuum pump on the system and pulling it down. We use a few different measures of vacuum, including inches of mercury (“Hg) or microns (millionths of a meter of mercury). We use such small units to measure a vacuum […]
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Events:

Understanding Effects of A2L Refrigerants on Tools, Recovery, and Evacuation
By:Tony Gonzalez NOTE: If you cannot view the recording, the video may still be processing. The maximum wait time is 24 hours. We apologize for the delay and appreciate your patience.
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