r/HVAC↗
A subreddit for HVAC professionals - try r/hvacadvice for out-of-the-field questions or comments.
A subreddit for Heating, Ventilation, & Air Conditioning Technicians. If you are not a member of the trade, please post in r/hvacadvice.
246k subscribers766 posts / mo in Sep 2026592 authors / mosince 2010
r/HVAC has 246k members (+12% over the last 12 months). It gets about 766 posts a month from 592 people. Top topics: HVAC Trades, Car Air Conditioning Issues and Apprenticeships Advice.
When to post on r/HVAC
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How r/HVAC has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/HVAC
Top topics
Share of the subreddit's posts
- HVAC Trades5.3%
- Car Air Conditioning Issues0.9%
- Apprenticeships Advice0.8%
- Apprenticeship Stories0.4%
- Union Apprenticeships0.4%
Brands people mention
Most-mentioned brands and sites, last 12 months
- Supplyhouse
- The Home Depot
- TruTech Tools, Ltd
- Apple
- Trane
Everything else about r/HVAC
Posting rules and account requirements, how often posts get removed, who writes here (age, gender, countries), what people ask for, how they talk, and related subreddits — all in the full report.
Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research