Noso Labs(YC S25)

Cere -- by Noso Labs is the world’s first LLM-powered HVAC diagnostics company, bringing artificial intelligence to the heating and cooling industry. We leverage advanced large language models to troubleshoot HVAC issues in seconds, not hours, enabling technicians to resolve problems with unprecedented speed. Our AI assistant provides instant, step-by-step guidance grounded in real manufacturer data, making your technicians up to 10× more efficient while reducing callbacks and repeat visits. By streamlining everything from initial diagnostics to report documentation and quote generation, Cere.dev helps HVAC teams save time, cut down paperwork, and improve customer satisfaction on every job. Backed by Y Combinator (S25), Cere combines Silicon Valley innovation with real-world HVAC expertise. Our mission is to make HVAC service smarter, faster, and more reliable using cutting-edge AI.