r/HVAC is a subreddit with 238k members. The most common kinds of discussions are pain & anger and solution requests, and the community frequently discusses hvac, hate, unit, worst, and looking for, and they frequently recommend/review hand tools, work pants, and tool bag.
A subreddit for Heating, Ventilation, & Air Conditioning Technicians. If you are not a member of the trade, please post in r/hvacadvice.
Popular Themes in r/HVAC
#1
Pain & Anger
: "I feel like big HVAC might have me whacked for even bringing this up but why tf don’t they just put a second unit tag inside the unit so it doesn’t get weathered and sun faded??"
9 posts
#2
Solution Requests
: "Does bee spray work?"
1 post
#3
Advice Requests
: "2 year old rheem leaking at the top of discharge header. Would you braze it as a permanent fix or get the warranty coil to cover your ass?"
1 post
Popular Topics in r/HVAC
#1
Hvac
: "I feel like big Hvac might have me whacked for even bringing this up but why tf don’t they just put a second unit tag inside the unit so it doesn’t get weathered and sun faded??"
103 posts
#2
Hate
: "Jabroni alert"
49 posts
#3
Unit
: "OT call. Customer states both Units not cooling…"
25 posts
#4
Worst
24 posts
#5
Looking For
23 posts
#6
Annoying
20 posts
#7
Struggling
: "How do you attic?"
18 posts
#8
Tech
: "Hardstart vaporized the last Tech, only left his bit behind"
13 posts
#9
Job
11 posts
#10
Work
: "New Work back"
10 posts
Products Discussed in r/HVAC
Hand Tools
135 reviews
#1
Klein
3.9★ from 26 reviews
#2
Knipex
4.8★ from 16 reviews
#3
Milwaukee
3.4★ from 12 reviews
Work Pants
107 reviews
#1
Carhartt
4.5★ from 15 reviews
#2
Duluth
4.8★ from 11 reviews
#3
Wrangler
4.2★ from 11 reviews
Tool Bag
54 reviews
#1
Veto
4.8★ from 18 reviews
#2
Klein
3.8★ from 6 reviews
#3
Veto MB2
4.5★ from 2 reviews
Flair Used in r/HVAC
#1
Meme/Shitpost
: "I think I need a life"
76 posts
#2
General
: "Saw someone's post about a nail gun and figured I'd share my dartboard find."
73 posts
#3
Field Question, trade people only
: "How are we staying cool this summer"
27 posts
#4
Rant
: "I have never seen one of these in the attic."
22 posts
#5
Supervisor Showcase
: "Thanks neighborhood BB gun shooter."
2 posts
Member Growth in r/HVAC
Yearly
+24k members(11.2%)
Similar Subreddits to r/HVAC
r/3Dprinting
3.4M members
7.6% / yr
r/aiArt
675k members
7.2% / yr
r/Audi
355k members
19.3% / yr
r/cats
9.3M members
9.5% / yr
r/Construction
576k members
15.2% / yr
r/Dallas
514k members
9.1% / yr
r/dubai
555k members
25.4% / yr
r/ethtrader
2.4M members
1.4% / yr
r/Seattle
808k members
11.9% / yr
r/SteamDeck
1.2M members
22.5% / yr
About
GummySearch helps people research Reddit communities by organizing activity, growth, themes, and post-level signals into one place.
This page gives a focused view of r/HVAC, including current member size, discussion patterns, product reviews, and related communities to explore.
This data is synced periodically so insights stay current and useful for ongoing research.
Last updated: June 26, 2026