r/HVAC Jun 06 '26

General HVAC Discord

5 Upvotes

FYI there's a HVAC Discord

https://discord.gg/hvachub


r/HVAC Apr 01 '26

General State of the Subreddit 3/31/26

71 Upvotes

Good evening,

I would first like to thank everyone that has already completed the new verification quiz, we've already gotten loads of approved users! (For the second question the answer is "It Depends", my testing was apparently not thorough for spell checking and mobile compatibility). That verification fix will be released once Reddit approves the update.

It has come to my attention that a former mod went a little rough with certain permanent bans that were issued. If you happened to of been caught in the crossfire please feel free to open up a unban request in mod mail. I've already unbanned multiple people.

The actions from that moderator were inexcusable and I deeply apologize that we provided such a disservice to this community.

Please let us know what else you would like to see improved in this sub.

Thank you,

r/hvac Moderation

Edit: Looks like reddit is mad at the approved user count, the verification requirement has been disabled for now.

Edit2: It's back again, I've sent in a message to reddit staff.


r/HVAC 16h ago

General Unnecessary but so cool

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180 Upvotes

r/HVAC 13h ago

Meme/Shitpost Uploading pics for my invoice. Didn’t notice I had a supervisor watching me the whole time

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50 Upvotes

r/HVAC 10h ago

General Company uses “Phone sales”

22 Upvotes

I interviewed with a company today and everything was pretty normal but then the service manager brought up how they do sales. Apparently they have a salesman that has to be apart of every conversation with the customer involving sales… like a 3 way call. Even the smallest repair they need to be involved and make contact. The interviewer made it clear that this guy was a salesman and not a manager. Reasoning was that they wanted continuity for every call… sounds awful ngl. Ive been in the trade 7 years and cant imagine how this works effectively. Anyone do it this way?


r/HVAC 7h ago

Meme/Shitpost Todays supervisor

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10 Upvotes

Was tempted on taking him home with me. Was replacing a board on a minisplit head unit.


r/HVAC 15h ago

Field Question, trade people only I’m having trouble understanding ladder diagrams

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29 Upvotes

we do labs where we have to read them then wire up a board based on the ladder diagram, theres an example of a diagram my teacher drew above and i couldn’t begin to tell you where the wires would go. if anyone has advice or videos they recommend watching it would be much appreciated as i have a test tuesday that im not really ready for


r/HVAC 16h ago

Meme/Shitpost What do you see wrong here?

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16 Upvotes

For some reason our techs did not try to address this issue on their maintenances. We’ve been going to this house for 11 years…. 😕 at least the drain line is clear… right?


r/HVAC 1d ago

General my view at work yesterday

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350 Upvotes

r/HVAC 15h ago

Meme/Shitpost Gotta be the nastiest watercooled fan coils I have ever seen

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12 Upvotes

r/HVAC 1d ago

Meme/Shitpost Brownie cooler

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166 Upvotes

Guess it could be a 1/4 molecular transformer if I need to write off the copper as business expense? Normally has a small ice cooler set up for the pump, I swear it does make a difference in the attic and for cooling down brownies more importantly.

Edit: sorry forgot to mention r-718 for those trying to help diagnose 1.5 gpm comp pulling .15amp forgot to get the clamp reading in. Keep having issues pulling the circuit down lots of hydration keeps getting in the vac


r/HVAC 19h ago

Field Question, trade people only Liquid line solenoid

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15 Upvotes

I’ve never seen one of these on a normal residential system. I wonder if it has to do with that it’s a 3 story condo with 3 zones, condenser on the ground outside and the air handler all the way up in the attic? What’s it doing here? The system next door doesn’t have one.


r/HVAC 13h ago

Field Question, trade people only What in the world am I reading here lol. This place can't find where the Return Air, i "i said so where are you changing the filters at?" Their reply, "Filters?" And i found a leak

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5 Upvotes

r/HVAC 16h ago

Field Question, trade people only Walk in coolers open door time?

6 Upvotes

I recently started doing more refrigeration stuff, and I’ve noticed some kitchen staff leaving doors to walk in coolers wide open while they place product or take it out etc…I was just checking box temps at the a419 in mech room and observing staff leaving doors open for 30 seconds up to 3 mins (one dude was snacking lol).
It’s all fine and dandy until the kitchen manager is screaming at hvac maintenance to fix their coolers because they aren’t working…they are


r/HVAC 1d ago

Meme/Shitpost Yo dawg, I heard you like wire nuts.

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136 Upvotes

But seriously, fk these A2L kits.


r/HVAC 17h ago

Field Question, trade people only Carrier a2L acoils

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5 Upvotes

Is any one else having lots of issues with these new carrier “v” coils, my area is high humidity and it seems like once water fills the airflow holes air can’t get thru the square holes and it’s causing high static and random freeze ups, it’s to the point where we aren’t selling them any more


r/HVAC 15h ago

Field Question, trade people only Any one hear about having to register RTU’s over 18 tons as pressure vessels in NJ?

2 Upvotes

r/HVAC 1d ago

Field Question, trade people only What does this mean?

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47 Upvotes

Studying the manual for an installation and saw this one the front page. Make it make sense please!?.🥶🔥😆


r/HVAC 1d ago

General I feel like I’m out of my league

57 Upvotes

I have been a Service Tech for 9 months. I was hired as in Service Tech without any prior experience or education I was trained for approximately. 1-2 weeks and then sent off to run service calls alone for a big landlord company that unlimited budget basically if you were doing a boilers and furnaces throwing in parts like Pokémon until it starts working for First 2 months and then actual residential calls where I had to be careful I got my EPA universal in April and learned all about air-conditioning to the point I would I am better at certain stuff then my coworkers who went to school. Yesterday I I was doing 2 big condensing boiler maintenance. After I put the heat exchangers together, I couldn’t figure out that I had to reset the gas pressures and it was giving me troubles. I ended up not finishing the job. Today I was doing 60 ton York VRF system with 12 indoor units/apartments hooked up to it. It was one of the six systems they had there. Took me a whole day to diagnose an EEV felt so stupid while on call with tech-support. I feel like I am a fraud. I don’t know nothing. I just wanna be competent at my job that’s all. These two days were in line, but there have been other so many occasions I’ve been messing up at. I got easily intimidated by systems. Without tech-support I’m absolutely cooked. All I can do is just say sorry, but I don’t even know what to do with myself. I am really disappointed in myself. I just wanna be as competent as other people. I have been learning as much as I can, since I was thrown to wolves in 2nd week. It took me 7 months into field to do a compressor swap by myself but it’s no problem for my coworkers. Basically passed a week whilst my first time rebuilding 2 inch radiation loop pipe around the boiler first time vile it’s second nature to the others. Sorry for my English. it’s not my first language.

TLDR - I feel like I’m a fraud and just got Lucky and got this job


r/HVAC 1d ago

General Sometimes you just gotta take a step back and remember how awesome this shit is sometimes.

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116 Upvotes

r/HVAC 1d ago

General What are you guys getting into today ?

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28 Upvotes

Maybe like six bucks at the scrapyard? /s


r/HVAC 1d ago

General if you are a residential technician in Europe, now is the time to open your own gig.

20 Upvotes

if what happened in Canada a few years back is any indicator. we had what they call "the heat dome" here and residential companies started coming out of the woodwork and everyone made a lot of money. now government grants were a big driving factor, but the fact that people experienced 35 to 40 Celsius in their living room for the first time ever was a big deal. also not a ton of people on the west coast here had air conditioning so maybe it was just the perfect storm but just food for thought.

all these old buildings in the UK that are built to store heat, better believe there's going to be a lot of Mini splits getting installed by someone before next summer.

voice typing, pardon the shitty typos.

personally, I stayed in my commercial gig but a lot of guys made a lot of dough.


r/HVAC 1d ago

General Getting out of the navy looking into hvac

3 Upvotes

Im getting out of the navy next year and am really wanting to get into hvac. I am an E5 with sadly no hvac experience. What’s some things I should look into (trade school etc) and what’s it like being in hvac in specifically the Raleigh nc area?


r/HVAC 1d ago

General Commercial or do residential first?

1 Upvotes

Recently I got a job opportunity with a Commercial Company for HVAC/ Refrigeration. I went for a ride along for 2 days with a Technician and the owners liked my performance overall. The problem is I have no commercial experience, while on the ride along i was confused on quite lot of stuff when it came to refrigeration. They told me i’d be trained for a couple days and be left on my own once the tech says im ready. I’m worried i’d be sent off too early and have bad performance on my own which will leave me without a job. I finished Trade School for HVAC Mid last year and I have done Residential hvac Side jobs here and there but nothing to crazy. is it a risk to jump straight into commercial?


r/HVAC 2d ago

General Guy in Rochester NY caught on Cam causing thousands in damage ripping out $20 worth of copper from an AC unit.

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683 Upvotes