r/geothermal
A subreddit focused on both geothermal and geoexchange systems, primarily for residential heating and cooling (e.g. ground source heat…
How to think about r/geothermal
The community is dedicated to discussions about geothermal and geoexchange systems, particularly for residential heating and cooling solutions. Members share insights, experiences, and technical knowledge about ground source heat pumps and related technologies. The focus on civil discourse fosters an environment where both newcomers and experts can engage in meaningful conversations about sustainable energy solutions.
Confidence 4/5
Audience
Participants tend to be homeowners, environmental enthusiasts, and professionals in HVAC and renewable energy sectors. The community attracts individuals interested in energy efficiency and sustainable living, often seeking practical advice or sharing personal experiences with geothermal systems. The vibe is generally supportive and informative, with a focus on problem-solving and knowledge sharing.
Posting culture
Content that thrives includes detailed questions about installation, troubleshooting, and system performance, as well as success stories and technical discussions. Posts that lack specificity or are overly promotional tend to receive downvotes. Members appreciate thorough explanations and practical tips, and the community encourages regular contributions, with a steady flow of posts and comments throughout the week.
Brand engagement notes
Brands should approach this community with a focus on education and support rather than direct promotion. Sharing informative content, such as guides on geothermal systems or case studies, can resonate well with members. Engaging in discussions and providing expert insights can help build credibility. However, overt marketing tactics or self-promotion are likely to be met with skepticism or hostility, so brands should prioritize authenticity and value in their interactions.
Top keywords
What r/geothermal 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/Cyase311
- u/No_Medicine_3797
- u/NSHCbaker
- u/Bentobox_Battleship
- u/MayonnaiseBomb
- u/shiv81
- u/Smoerhul
- u/OtherImplement
- u/Cautious-File4416
- u/icebiker
- u/Heygents123
- u/teoags
- u/Wyevez
- u/Pupper82
- u/ColonelSanders15
- u/lincolnhughes
- u/Ok-Insurance-7978
- u/Commercial_Low_6979
- u/Austinquick
- u/iveseenplacesfaces
- u/twld1
- u/Small_Squirrel_4705
- u/scholl43
- u/nawtbird
- u/Dodach96
- u/Ok_Mushroom_287
By votes
- u/Cyase311
- u/NSHCbaker
- u/Bentobox_Battleship
- u/No_Medicine_3797
- u/shiv81
- u/MayonnaiseBomb
- u/OtherImplement
- u/Cautious-File4416
- u/Smoerhul
- u/icebiker
- u/Heygents123
- u/teoags
- u/Wyevez
- u/Pupper82
- u/ColonelSanders15
- u/lincolnhughes
- u/Ok-Insurance-7978
- u/Commercial_Low_6979
- u/Austinquick
- u/iveseenplacesfaces
- u/twld1
- u/Small_Squirrel_4705
- u/scholl43
- u/nawtbird
- u/Dodach96
- u/Ok_Mushroom_287
Top commenters
By comment count
- u/QualityGig
- u/Overall-Tailor8949
- u/DependentAmoeba2241
- u/urthbuoy
- u/propagandahound
- u/frankiek3
- u/theweez007
- u/icebiker
- u/cottoncandyclouds27
- u/bartolo345
- u/Heygents123
- u/jaykotecki
- u/zacmobile
- u/123DogPound123
- u/zinger301
- u/Engineer22030
- u/Intelligent-Guess-81
- u/tuctrohs
- u/rhebdon
- u/No_Management8710
- u/Aware_Tomatillo_7758
- u/WittyAvocadoToast
- u/zrb5027
- u/mattyrs500
- u/JustYerAverage
- u/ks-solar-geo-native
- u/2matisse22
- u/Embarrassed-Tax-5279
- u/LeadingAd6025
- u/MrSandman1106
- u/readyg0
- u/Speculawyer
- u/MayonnaiseBomb
- u/wst4
- u/crest_of_humanity
- u/megavolt512
- u/BluesTraveler1989
- u/dust67
- u/Coach_Flaps
- u/rogo725
- u/BrianG-geo
- u/eZGjBw1Z
- u/DrEnter
- u/formerlyanonymous_
- u/OtherImplement
- u/OzarkPolytechnic
- u/vmr_3
- u/athornton79
- u/d1sass3mbled
- u/Dive30
- u/Few-Tax5788
- u/Floppie7th
- u/the_bysmuth
- u/RobotFixer12
- u/SirMontego
- u/SorenDayton
- u/IndirectHeat
- u/dormamused
- u/Small_Squirrel_4705
- u/Common-Call2484
By votes
- u/QualityGig
- u/Overall-Tailor8949
- u/icebiker
- u/urthbuoy
- u/DependentAmoeba2241
- u/WittyAvocadoToast
- u/DrEnter
- u/No_Management8710
- u/bartolo345
- u/cottoncandyclouds27
- u/Coach_Flaps
- u/rogo725
- u/123DogPound123
- u/frankiek3
- u/rhebdon
- u/IndirectHeat
- u/propagandahound
- u/MayonnaiseBomb
- u/zacmobile
- u/zinger301
- u/Intelligent-Guess-81
- u/theweez007
- u/jaykotecki
- u/readyg0
- u/Speculawyer
- u/Engineer22030
- u/formerlyanonymous_
- u/athornton79
- u/SirMontego
- u/Aware_Tomatillo_7758
- u/zrb5027
- u/wst4
- u/tuctrohs
- u/vmr_3
- u/d1sass3mbled
- u/Few-Tax5788
- u/Floppie7th
- u/the_bysmuth
- u/RobotFixer12
- u/mattyrs500
- u/JustYerAverage
- u/Heygents123
- u/ks-solar-geo-native
- u/2matisse22
- u/Embarrassed-Tax-5279
- u/LeadingAd6025
- u/MrSandman1106
- u/megavolt512
- u/BluesTraveler1989
- u/dust67
- u/BrianG-geo
- u/eZGjBw1Z
- u/OtherImplement
- u/OzarkPolytechnic
- u/Dive30
- u/SorenDayton
- u/dormamused
- u/Small_Squirrel_4705
- u/Common-Call2484
- u/crest_of_humanity
Similar communities
Where this audience also spends time
Topic-adjacent communities surfaced from Reddit's own related subreddit signal.
FAQ
r/geothermal — frequently asked questions
Quick facts about this subreddit's size, history, focus, and related communities.
How many subscribers does r/geothermal have?
r/geothermal has approximately 8,403 subscribers as of May 27, 2026.
When was r/geothermal created?
r/geothermal was created on November 13, 2012 (14 years ago).
What is r/geothermal about?
The community is dedicated to discussions about geothermal and geoexchange systems, particularly for residential heating and cooling solutions. Members share insights, experiences, and technical knowledge about ground source heat pumps and related technologies. The focus on civil discourse fosters an environment where both newcomers and experts can engage in meaningful conve…
What subreddits are similar to r/geothermal?
Communities similar to r/geothermal include r/heatpumps, r/passivehouse, r/buildingscience, r/renewableenergy, r/prohvacr.
Who are the most active posters on r/geothermal?
The most frequent posters on r/geothermal include u/Cyase311, u/No_Medicine_3797, u/NSHCbaker.
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