r/hvac
A subreddit for Heating, Ventilation, & Air Conditioning Technicians. If you are not a member of the trade, please post in r/hvacadvice.
How to think about r/hvac
This community serves as a hub for Heating, Ventilation, and Air Conditioning technicians to share knowledge, troubleshoot issues, and discuss industry practices. Members engage in technical discussions about HVAC systems, tools, and techniques, making it a valuable resource for professionals in the field. The distinct focus on trade-specific content and the exclusion of non-professionals create a specialized environment for skilled technicians.
Confidence 4/5
Audience
Participants are primarily HVAC technicians, ranging from apprentices to seasoned professionals. The community attracts individuals who are serious about their craft, often seeking advice, sharing experiences, or discussing technical challenges. The vibe is generally supportive, with members valuing expertise, practical solutions, and a no-nonsense approach to HVAC issues.
Posting culture
Content that thrives includes detailed technical questions, troubleshooting tips, and discussions about industry standards. Posts that lack depth or are overly promotional tend to receive downvotes. Members frequently share personal experiences and case studies, fostering a culture of learning and collaboration. Posting frequency varies, but active discussions often occur during peak seasons for HVAC work, such as summer and winter.
Brand engagement notes
Brands should approach this community with caution, as members are typically resistant to overt promotion or advertising. Authentic engagement through sharing valuable insights, technical knowledge, or tools can resonate well. Brands might consider sponsoring educational content or providing expert advice rather than direct marketing. Transparency and a genuine interest in the community's needs will likely yield better reception than traditional promotional tactics.
Top keywords
What r/hvac talks about
Weighted by how often each term appears in posts and comments, relative to baseline frequency. The largest words are the strongest signals of community focus.
External signals
Where the community looks
Top external domains linked from posts and comments — a quick read on the sources of truth this audience trusts.
Top contributors
Who shapes the conversation
The most active and most-upvoted posters and commenters in this community. Useful when planning outreach or studying a community's tastemakers.
Top posters
By post count
- u/EJ25Junkie
- u/[deleted]
- u/heldoglykke
- u/xBR0SKIx
- u/HVAC_Sam
- u/Zeno_of_Tarsus
- u/sinzey83
- u/Eggrollofdoom
- u/UseRNaME_l0St
- u/Present-Reply-9116
- u/Red-Faced-Wolf
- u/Under_ratedSS
- u/Don-tFollowAnything
- u/youngteflon
- u/t0rche
- u/ButtMunchSupreme420
- u/OwnOption6050
- u/BigNastyHVAC
- u/BackDry4214
- u/Impressive-Ant-9471
- u/dolphin4reason
- u/gamingplumber
- u/bigred621
- u/ORBM91
- u/cant_start_a_trane
- u/LincolnOsiris83
- u/Supernatural-MnMs
- u/ZombieTheRogue
- u/HackWithPride
- u/Embarrassed-Mouse-49
- u/Different-Forever-65
- u/SilvermistInc
- u/hvacnerd22
- u/Furs7y
- u/Texadad
- u/Queefasaurus-rex_
- u/i_suck_at_hvac
- u/assman323232
- u/Dys-Troy
- u/Euphoric-Gazelle7264
- u/unresolved-madness
- u/SlickCelMic
- u/MaybeAnHVACGuy
- u/JohnTheFoxx
- u/Stubeezy
- u/Doesure
- u/marksman81991
- u/Global-Implement-336
- u/MegatronLFC
- u/MonkandBeer
- u/IAMA_Printer_AMA
- u/NotSuspec666
- u/FloopyBoopers2023
- u/Key-Calligrapher4265
- u/robertva1
- u/Wonderful_Ad3441
- u/nlord93
- u/Theantifire
- u/elbrule
- u/b_thompson02
- u/Jaracgos
- u/FuckBrendan
- u/HydrogenxPi
- u/Storm_Runner09
- u/BigBassSnatcher
- u/Punkrock0822
- u/pun420
- u/FAGGATRON_4767
- u/YESimaMASSHOLE
- u/Mezmo300
- u/Gloomy_Astronaut8954
- u/EzBoy77
- u/cattledogodin
- u/Content-Valuable2874
- u/Gofgoren
- u/AntoninScaliasGhost
- u/Graybeard_138
- u/fallinouttadabox
- u/TryHard-Rune
- u/sugarrayp
- u/saskatchewanstealth
- u/Timmeh-toah
- u/OvermanagedSmallacct
- u/Cory_Clownfish
- u/MrLeviathon
- u/JoeyMarsENT
- u/TigerSpices
- u/wundaaa
- u/fluffysnowcats
- u/thebunkmeister
- u/Equivalent-Message21
- u/AwwwComeOnLOU
- u/Specialist_Nobody906
- u/JoWhee
- u/The-weebman
- u/C_HVAC
- u/BlueberryNew2449
- u/Antique-Pack-5508
- u/Both-Respect4684
- u/Deep-Tourist-6994
By votes
- u/[deleted]
- u/EJ25Junkie
- u/heldoglykke
- u/Don-tFollowAnything
- u/Present-Reply-9116
- u/Zeno_of_Tarsus
- u/cant_start_a_trane
- u/HVAC_Sam
- u/elbrule
- u/DirtyCoil
- u/t0rche
- u/youngteflon
- u/OwnOption6050
- u/Haunting-Ad-8808
- u/sinzey83
- u/ButtMunchSupreme420
- u/xBR0SKIx
- u/Queefasaurus-rex_
- u/ORBM91
- u/BigNastyHVAC
- u/ntg7ncn
- u/jamesboone132
- u/i_suck_at_hvac
- u/Different-Forever-65
- u/Dburr9
- u/ZombieTheRogue
- u/Supernatural-MnMs
- u/AToxicSalazzle
- u/Storm_Runner09
- u/Mau5krat
- u/Justjuandoe
- u/Jackbauer1126
- u/HackWithPride
- u/Legal_Marsupial_9650
- u/Theantifire
- u/Euphoric-Gazelle7264
- u/Jaracgos
- u/Davidhvac
- u/Feeling-Dot2086
- u/Red-Faced-Wolf
- u/UseRNaME_l0St
- u/BigBassSnatcher
- u/pun420
- u/assman323232
- u/YourWarDaddy
- u/republicankid98
- u/Besval10
- u/Dys-Troy
- u/Khankili
- u/_P5yc4o
- u/Quiet-Ship-2773
- u/Stubeezy
- u/Punkrock0822
- u/YESimaMASSHOLE
- u/tnerttnert
- u/SlickCelMic
- u/Ciccone7
- u/Fartnoise5225
- u/b_thompson02
- u/MaybeAnHVACGuy
- u/Silent-Ad2607
- u/southtxdude
- u/LincolnOsiris83
- u/JohnTheFoxx
- u/Doesure
- u/Global-Implement-336
- u/SlothRick
- u/Mezmo300
- u/Impressive-Ant-9471
- u/HydrogenxPi
- u/FuckBrendan
- u/hvacnerd22
- u/lance__p
- u/Gloomy_Astronaut8954
- u/UbbaB3n
- u/PentaStealz
- u/539Fitter
- u/unresolved-madness
- u/FAGGATRON_4767
- u/Reign2294
- u/Bigversace
- u/Latter-Examination47
- u/wooptidoop
- u/Gofgoren
- u/Content-Valuable2874
- u/cattledogodin
- u/remodelagain
- u/JeffsHVACAdventure
- u/Intelligent-Draw-272
- u/sugarrayp
- u/Chief_B33f
- u/SilvermistInc
- u/Siptro
- u/JakeDGZ
- u/Chose_a_usersname
- u/CrowNo1405
- u/H202_Official
- u/DeepInsid3r
- u/jake_santiago
- u/lasko-fan
Top commenters
By comment count
- u/[deleted]
- u/EJ25Junkie
- u/farfacogin
- u/Gloomy_Astronaut8954
- u/Fixerguy415
- u/Ok_Catch_408
- u/Heybropassthat
- u/unresolved-madness
- u/HuntPsychological673
- u/Chose_a_usersname
- u/Competitive-Dig-4047
- u/Straight_Spring9815
- u/IrishWhiskey556
- u/SaguaroBro14W
- u/Organic-Pudding-8204
- u/Taolan13
- u/M0byd1cck
- u/Historical_Drink_350
- u/dreevsa
- u/UmeaTurbo
- u/toomuch1265
- u/TechnicianPhysical30
- u/johncester
- u/El_Jefe17
- u/Jib_Burish
- u/jkcadillac
- u/dano539
- u/bga3481
- u/thebunkmeister
- u/lestergreen357
- u/Ok_Ad_5015
- u/Detachmyweewee
- u/Pikepv
- u/HVAC_Sam
- u/Key_Drawer_1516
- u/bongo-72
- u/mamny83
- u/PlayfulAd8354
- u/onewheeldoin200
- u/MPS007
- u/Distinct_Effective16
- u/Aggressive-HeadDesk
- u/unknown1310P1
- u/Doogie102
- u/churdson
- u/Humble_Peach93
- u/Alternative-Land-334
- u/49thDipper
- u/flannelmaster9
- u/Tommyt5150
- u/greennewleaf35
- u/Psychoticrider
- u/InMooseWorld
- u/BrandonDill
- u/Mythlogic12
- u/BookkeeperMain2825
- u/Civil-Percentage-960
- u/Loose-Needleworker10
- u/Beenkickedoffhere3x
- u/Smirkly
- u/Admirable_Big_5419
- u/Sethmeisterg
- u/nedsanderson
- u/imajoker1213
- u/rugger403
- u/Shitwinds_randy
- u/AssRep
- u/icemanswga
- u/DesignerAd4870
- u/satansdebtcollector
- u/Hendrix6927
- u/syfysoldier
- u/MoneyBaggSosa
- u/JunketElectrical8588
- u/03G35coupe
- u/AnywhereFew9745
- u/Little-Key-1811
- u/ABena2t
- u/ho1dmybeer
- u/HiFiGuy197
- u/bigred621
- u/MrBHVAC
- u/JoWhee
- u/Feeling-Dot2086
- u/mrrueca
- u/moonpumper
- u/O_U_8_ONE_2
- u/Extreme_Focus_943
- u/Outrageous-Ball-393
- u/sufferinsucatash
- u/JyJellyPants-Grape
- u/IntheCompanyofOgres
- u/PDAWK
- u/iBUYbrokenSUBARUS
- u/Isthisnametakenalso
- u/marshmadness37
- u/Stahlstaub
- u/xBR0SKIx
- u/Storm_Runner09
- u/NJNYCSG
By votes
- u/[deleted]
- u/Mistapoopy
- u/farfacogin
- u/BigNastyHVAC
- u/garnsy10
- u/gsixzero
- u/Symbolic_Alcoholic
- u/way_space
- u/bigred621
- u/Hot-Specialist9228
- u/jayc428
- u/mudscott
- u/Parking_Ad_3056
- u/theycalllmeTIM
- u/heldoglykke
- u/ShockingPotat
- u/braydenmaine
- u/victorygreengiant
- u/knotmassage
- u/sryidc
- u/Cappster14
- u/dirtysanchez0609
- u/SnooDonkeys2892
- u/oBg8
- u/Competitive-Dig-4047
- u/PlayfulAd8354
- u/alansdaman
- u/DannkHippo
- u/Abrandnewrapture
- u/onewheeldoin200
- u/Heavy_Arm9344
- u/t0rche
- u/Intelligent-Draw-272
- u/Excellent_Wonder5982
- u/flannelmaster9
- u/Key_Drawer_1516
- u/charliehustles
- u/grumpy_uncle
- u/DrVanNostrand6
- u/dlarem00
- u/camohvacguy
- u/Diligent_Skin_1240
- u/WWDubz
- u/Vegashvac
- u/OmegaSevenX
- u/_MadGasser
- u/texas1982
- u/ohio_guy_2020
- u/youngteflon
- u/DJ2x
- u/Buster_Mac
- u/Rocksolidbanana
- u/JoeInNh
- u/jake_santiago
- u/Aluminautical
- u/MysteryReyes
- u/wetthaMFunghini
- u/Fahzgoolin
- u/atalpa7
- u/Mr_NorseCode
- u/MrJoePike
- u/jst1265
- u/terayonjf
- u/Bhaze237
- u/Outrageous-Ball-393
- u/dano539
- u/66Mrgoodcat420
- u/GeoshTheJeeEmm
- u/Bakedlikepies
- u/Corvaren
- u/trailcamty
- u/ZivH08ioBbXQ2PGI
- u/Alternative-Land-334
- u/TradeMasterYellow
- u/jerseyvibes
- u/geobernd
- u/refrigeration_wizard
- u/dont-fear-thereefer
- u/iBUYbrokenSUBARUS
- u/stirling1995
- u/lance__p
- u/HuntingGreyFace
- u/OKC420
- u/spkdanknugs
- u/notswim
- u/MaddRamm
- u/OnSiteTardisRepair
- u/anunakiesque
- u/MaintainThis
- u/Academic-Pain2636
- u/drone42
- u/Detachmyweewee
- u/baconegg2
- u/trippnwo
- u/itsmyfirsttimegoeasy
- u/phillyfr33z3
- u/Realistic-oatmeal
- u/flatlinemayb
- u/SnooHedgehogs1524
- u/dualstrombolifeast
Similar communities
Where this audience also spends time
Topic-adjacent communities surfaced from Reddit's own related subreddit signal.
FAQ
r/hvac — frequently asked questions
Quick facts about this subreddit's size, history, focus, and related communities.
How many subscribers does r/hvac have?
r/hvac has approximately 231,290 subscribers as of May 27, 2026.
When was r/hvac created?
r/hvac was created on December 22, 2010 (15 years ago).
What is r/hvac about?
This community serves as a hub for Heating, Ventilation, and Air Conditioning technicians to share knowledge, troubleshoot issues, and discuss industry practices. Members engage in technical discussions about HVAC systems, tools, and techniques, making it a valuable resource for professionals in the field. The distinct focus on trade-specific content and the exclusion of non…
What subreddits are similar to r/hvac?
Communities similar to r/hvac include r/hvacadvice, r/plumbing, r/electricians, r/construction, r/electrical.
Who are the most active posters on r/hvac?
The most frequent posters on r/hvac include u/EJ25Junkie, u/[deleted], u/heldoglykke.
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