40 VACUUM PROCEDURE TIPS for HVAC Techs! Avoid Frustration and Save Time!

In this HVAC Training Video, I Explain 40 Vacuum Method Tips that You Should Know Before Installing an Air Conditioner, Heat Pump, or Refrigeration Unit. This is an HVACR Technician Training Video Meant to Take the Frustration and Time Consumption Out of the Process! Supervision is needed by a licensed HVACR Tech while performing tasks as Experience and Apprenticeship garners Wisdom and Safety.

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40 Vacuum Tips for HVACR Technicians! Avoid Frustration!

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⚠️ Disclaimer:
Information in this video is intended for educational purposes only. Any work related to the topics in this video should be performed by licensed technicians or by apprentices under the supervision of licensed technicians. AC Service Tech LLC is not responsible for any possible damages or injuries caused by the use or misuse of any information provided.
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[Chunko-smof]

Perfect video, currently in school for hvac in Wisconsin and my class right now are recovery, deep vacuum and charge, and then triple Evac. Love this channel good luck to everyone one

[rickl]

Craig, commenting on tip #26. I got burnt once early in my career on not changing the vac pump oil. After that I always checked that the pump could pull a deep vacuum. I checked to see if the pump was capable of pulling at least 400 microns prior to hooking it up to the system. That way I knew if I couldn't pull at least 400 microns on the system it could not be the pump's fault. This saved me time in the long run.
As always another high quality video. Thanks, Craig, Rick.

[monteglover]

May I add another tip use magnetic tool for holding open any solenoid valves.
This is particularly true on refrigeration systems.
This from experience of 40+ years in the field.
Thank You for your videos they remind me and keep me up to date.

[scha]

As always, great job. Your are like the diesel tech Ron of the hvac world. I don’t miss a video you post, always great stuff!!!!

[hvac]

This will be a long one... Ive never seen 500 microns on anything so far. I put my BlueVac Pro with Nylog on the 1/4” connection to test the pumps ability / oil. It pulled down to about 70 microns. Then I hooked up a 1/4” X 1/4” hose with Nylog to an empty recovery container. After 15 minutes it stopped at about 1800 microns. I switched to a new Appion 3/8” (1/2” hose) X 1/4” connector to the tank and it pegged out at about 780 microns after 15 minutes. I have the Ritchie tower on my pump that has two 3/8”taps and one 1/4” tap on the top and a ball valve. These are new and not worn out, and specificaly designed for vacuum. Now physics tells me that pressure goes from higher to lower, always. If I register 70 microns on the pump, physics tells me that the 780 microns I got with the larger vacuum hose was just overcoming an ongoing leak (possibly ) in the recovery tank? How would I go about checking the tank for a leak? R22 and Nitrogen?

[genti]

As always so accurate Sir. Since I bought your books I've learned a lot from you and appreciate your patience of explaining.
You're the best.

[TheMylesTheGray]

Great tips.

Remember to protect (disconnect) the compressor electrical if running the unit “fan” on depending on the equipment. Pulling a vacuum with a compressor that has power will toast it.

[CommercialGasEngineerVideos]

Thanks for the consistent quality of content. Have a good weekend

[DavidHernandez-gtbo]

Rock solid video Your knowledge of hvac trade is off the charts . I really enjoy your videos they are great reference tools .

[justinbucknellelectrical]

Awesome video! Has helped us as Newbies to AC identify a couple of errors. Thanks!

[techbullet]

All great tips but TIP #35 took my attention by far. This is (most probably) is the reason why the PROS don't do a triple vacuum. Thanks Craig!

[landolorean]

Amazing, more videos like this please, the sequence of tips for any element of the job is super helpful. Thank you for sharing👌

[grantlam]

I hooked up two vacuum pumps in the same system. Truly it is a double times and I did vacuumed much faster. Thank you so much!!!

[Froggability]

Tip 32 don’t use vac gauge as pressure test, YES, a test at negative 15psi isn’t much of a test.
Another tip “Keep the sensor upright, to avoid contamination” (Found in bold lettering on the Yellow Jacket vac gauge. )
Another: make up copper lines rather than rubber hoses, to get a super low vacuum

[craigbraswell]

Love the video, but I will say to try these tips on lennox residential equipment. Good luck using core removers without bending/unscrewing service valves and cabinet pieces. I've been using the same Ritchie vacuum pump for 15 years and I change the oil after EVERY use, just as the instructions say to. I can say from experience that MANY techs will only change their oil after 20 uses, these techs also buy a new vacuum pump every 1-3 years also.

[uliseszx]

The best refrigeration technician of the whole internet.
GOD BLESS AMERICA !

[smaring]

I got my EPA 608 for DIY purposes. I had problems pulling a vacuum on the last few mini-splits I installed. My practical knowledge has been a bit light. This was extremely informative and I'm now pretty sure where I went wrong. Thanks.

[vijayanathanstephen]

Your lessons are very professional indeed.

[joshtortorello]

Super accurate, highly informative content

[coldfingersub]

A good video to forward and pass around 👍