Geothermal Energy Options

What it does

Get efficient geothermal heating & cooling systems in NY with GEO-US. Residential & commercial HVAC, ductwork, and spray foam insulation. Improve comfort, reduce energy bills, and get a FREE quote today!

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  QuiltFeb 2026 · ▲107

  The smartest and most efficient heat pump on the market

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  Keen Home2015 · ▲112

  A smart vent that heats & cools your home (pre-order)

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  Cosy2014 · ▲64

  Come home to Cosy: the smart heating system from geo

• IB
  I built an under-the-door fan duct to lower bedroom CO22025 · lepekhin.com · ▲64

  Hi HN, This is my attempt to fix groggy mornings by lowering my bedroom CO2 from 1700 ppm to ~900 ppm. I designed a simple, 3D-printed fan duct that directs air under the door to improve air circulation. A note on the design process: I used CadQuery, a Python library for creating parametric 3D models. I didn't know tools like this existed and highly recommend it if you can program; it turned out to be more convenient than manually iterating on prototypes in a GUI. The project is open source and the post explains the full build. Happy to answer any questions.

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  Novo2017 · ▲80

  Smart radiator valve

• HP
  Heat Pumps, Hooray – A heat pump calculator for your home2022 · heatpumpshooray.com · ▲40

• TL
  The load-bearing vocabulary of Claude▲703

  Life & fun · 10d ago · louisabraham.github.io

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  Articos▲385

  Launch with confidence, not gut instinct

  Life & fun · 12d ago · articos.com

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  Nex▲351

  Claude Cowork for high-volume GTM workflows

  Life & fun · 4d ago · nex.ai

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  iPhone app takes simultaneous images from 2 lenses, fuses into 1 photo▲329

  Photosynthesis fires two of your iPhone

  Life & fun · 29d ago · photosynthesis.camera

• CC
  Creatium Coach▲320

  Your multimedia mentor that takes you from mid to great

  Life & fun · 11d ago · producthunt.creatium.info

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  SoloUno▲310

  Take control of hair pulling, nail biting & skin picking

  Life & fun · 28d ago · solouno.io

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  Brila▲1,367

  One-page websites from real Google Maps reviews

  AI · Apr 2026 · brila.ai

• AG
  A game where you build a GPU▲964

  Thought the resources for GPU arch were lacking, so here we are

  Life & fun · Apr 2026 · jaso1024.com

• IB
  I built a tiny LLM to demystify how language models work▲915

  Built a ~9M param LLM from scratch to understand how they actually work. Vanilla transformer, 60K synthetic conversations, ~130 lines of PyTorch. Trains in 5 min on a free Colab T4. The fish thinks the meaning of life is food. Fork it and swap the personality for your own character.

  AI · Apr 2026 · github.com

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  Fathom 3.0▲803

  AI meeting notes: now bot-free, in ChatGPT & Claude + more

  AI · Apr 2026 · fathom.ai

• BC
  Brutalist Concrete Laptop Stand (2024)▲786

  Life & fun · Apr 2026 · sam-burns.com

• IB
  I built a frontpage for personal blogs▲783

  With social media and now AI, its important to keep the indie web alive. There are many people who write frequently. Blogosphere tries to highlight them by fetching the recent posts from personal blogs across many categories. There are two versions: Minimal (HN-inspired, fast, static): https://text.blogosphere.app/ Non-minimal: https://blogosphere.app/ If you don't find your blog (or your favorite ones), please add them. I will review and approve it.

  AI · Apr 2026 · text.blogosphere.app