r/Thermal↗
Thermal imaging technology, thermography, etc.
This subreddit is a place for users of thermal imaging technology to discuss and learn about thermal imaging, share pointers and techniques, and share images. [✓] RULE #1: No shilling. [✓] RULE #2: No AliExpress links or discount codes. [✓] RULE #3: No videos of hunting kill shots or any other death or gore. The main focus of this sub is technology. If the hunting aspect of thermography is more your thing and you have media you want to share, please do so on /r/thermalhunting.
32k subscribers137 posts / mo in Sep 2026103 authors / mosince 2014
r/Thermal has 32k members (+302% over the last 12 months). It gets about 137 posts a month from 103 people. Top topics: Graphene Research Updates, Cat Houses and Snow and Cat Pictures.
When to post on r/Thermal
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How r/Thermal has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/Thermal
Top topics
Share of the subreddit's posts
- Graphene Research Updates2.6%
- Cat Houses and Snow0.4%
- Cat Pictures0.3%
- Car Air Conditioning Issues0.3%
- Noctua Fans & Coolers0.3%
Brands people mention
Most-mentioned brands and sites, last 12 months
- Aliexpress
- Printables
- Flir
- MakerWorld
- Alibaba
Everything else about r/Thermal
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