r/HVAC
A subreddit for Heating, Ventilation, & Air Conditioning Technicians. If you are not a member of the trade, please post in r/hvacadvice.
Members
242,710
243K
Online now
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not captured in the last snapshot
Posts per day
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no sample yet
Comments per post
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no sample yet
Growth · 7d
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not enough history yet
Growth · 30d
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not enough history yet
Promo tolerance
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not assessed yet
Last post
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no sample yet
Distinct posters
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no sample yet
Tracking since Aug 26 · growth spans are the real distance between snapshots, not rounded windows. Posts/day is measured from the community’s own newest posts on Reddit, not from what Prowlo happens to crawl.
Member growth
Tracking since Aug 26 — growth charts appear after a week of history.
Similar by content
Communities that discuss what r/HVAC discusses.
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**Welcome to /r/Electrical!** **Rules:** * No spamming. This includes links or text posts about services that you or your company offer. We permaban spammers. **Tips:** 1. Please include your country if you have an electrical question. Systems, codes, and infrastructure vary wildly. 2. If you see an answer or suggestion to an electrical question that is dangerous or unsafe, please message the mods or select "Dangerous" from the "report" menu.
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Shared audience
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r/HVAC — frequently asked
How many members does r/HVAC have?
r/HVAC has 242,710 members as of our most recent crawl on Aug 26. Prowlo re-checks tracked communities on a rolling schedule, so this figure moves rather than sitting frozen at whatever it was when a scraper last ran.
Is r/HVAC growing?
We don't have 30 days of snapshot history for r/HVAC yet, so we're not going to invent a growth number. We've been tracking it since Aug 26; the chart fills in as history accumulates.
How active is r/HVAC?
We don't have a reliable posting-rate sample for r/HVAC yet. Subscriber count alone is a poor guide to whether a community is active, so treat this one as unverified until the next sample lands.
Can I promote my product in r/HVAC?
We don't have a promo-tolerance read for r/HVAC yet. Default to the safe approach: read the sidebar rules, contribute in threads where you gain nothing, and mention your product only when it is the honest answer to someone's question.
How do I monitor r/HVAC for mentions?
Hit Watch on this page. Prowlo starts crawling r/HVAC into your Dataset — every new post indexed and embedded, searchable semantically, queryable by your AI agent over MCP, and able to trigger keyword alerts in Slack. Prowlo is read-only; it never posts on your behalf.
Can my AI agent read r/HVAC's stats?
Yes. Everything on this page is one MCP tool call away: catalog_get_subreddit returns r/HVAC's members, growth, promo tolerance and similar communities as typed JSON — free, no credits. Connect your agent to api.prowlo.com/mcp and it can vet the community and start watching it in the same conversation.
Read-only · Human-in-the-loop
Prowlo never posts for you