r/HVAC
A subreddit for HVAC professionals - try r/hvacadvice for out-of-the-field questions or comments.
Founded December 2010 · Public — anyone can post
A subreddit for Heating, Ventilation, & Air Conditioning Technicians. If you are not a member of the trade, please post in r/hvacadvice.
Members
243,795
244K
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
Similar by content
Communities that discuss what r/HVAC discusses.
A place for homeowners, renters, tenants, business owners or anyone with a general question about their HVAC system. Please read rules before posting!
A place for **construction professionals only** to discuss the industry. Anybody working or interested in working in this field is welcome! Carpentry, concrete, steel, plumbing, HVAC, electrical, landscaping, equipment operators, etc. Those with DIY or homeowner-type questions should use subreddits such as /r/DIY. Those posts will be removed.
This is a community for homeowners to ask questions to contractors. Get the answers from industry professionals here.
A place for plumbing advice and help. Do not advertise or try to compare pricing.
Welcome to /r/Electricians Reddit's International Electrical Worker Community aka The Great Reddit Council of Electricians Talk shop, show off pictures of your work, and ask code related questions. Help your fellow Redditors crack the electrical code.
Shared audience
Posters in r/HVAC also post in…
A place for **construction professionals only** to discuss the industry. Anybody working or interested in working in this field is welcome! Carpentry, concrete, steel, plumbing, HVAC, electrical, landscaping, equipment operators, etc. Those with DIY or homeowner-type questions should use subreddits such as /r/DIY. Those posts will be removed.
Learn about budgeting, saving, getting out of debt, credit, investing, and retirement planning. Join our community, read the PF Wiki, and get on top of your finances!
Enterprise Networking Design, Support, and Discussion. Enterprise Networking -- Routers, switches, wireless, and firewalls. Cisco, Juniper, Arista, Fortinet, and more are welcome.
This community is for construction professionals to discuss their business practices. Read the rules. This is a heavily moderated sub.
A place to discuss tactics and success stories of buying things for a low price and selling them for a higher one.
See the full lists on similar subreddits.
r/HVAC — frequently asked
How many members does r/HVAC have?
r/HVAC has 243,795 members as of our most recent crawl on Sep 10. 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.
When was r/HVAC created?
r/HVAC was founded in December 2010 and is a public — anyone can post community. Age matters: an older community with steady growth has survived Reddit's moderation churn; a young one with a spike may not.
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.
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