Why Your Heat Pump May Not Need a Buffer or Repipe After All
Another myth-busting Heat Geek video to save you time, money and energy!? Anything we've missed, let us know your thoughts below ⬇️ Want to know how much a heat pump could cost for your home? 👉 Just head to upgrades.heatgeek.com and enter your postcode → HEAT GEEK UNINSULATED CHANNEL - @HeatGeekUninsulated → GET A HEAT PUMP FROM THE BEST INSTALLERS - https://hgeek.co/ytv → COURSES - Become a MASTER of renewable heating: https://www.heatgeek.com/our-courses/ SOCIALS 🙋♂️ → Twitter: / _heatgeek → Facebook: / heatgeek → Insta: / heat_geek #heatpump #renewableenergy #energy #heating #experiment And you can check out our last video on using BUFFERS or LOW-LOSS HEADERS here! 👇 • Why NOT to use Buffers or LOW LOSS HEADERS... --- 00:00 Intro: Is This Rule Costing Thousands? 00:21 Why Heat Pumps Struggle in Some Homes 00:41 The Industry's Standard (Expensive) Advice 00:52 The Sausage Rule: A Legacy of Assumptions 01:30 The Rule We're Challenging: Pumps in Series 02:00 Why Series Pumping Was Always a No-No 02:24 What's Changed? (PWM & Pressurised Systems) 02:49 Experiment Setup: Breaking the Old Rule 03:08 8m to 4m Pressure Cycling Test Explained 03:40 Moment of Truth: What Actually Happened 04:03 Table of Pump Settings Tested 05:09 Practical Advice for Installers 05:51 Pipe Velocity Limits & System Design Tips 6:44 Still Testing… What Do You Think Will Happen? 7:38 Subscribe + Links to More Videos & Training

Don't Size A Heat Pump Until You Watch This!

Why NOT to use Buffers or LOW LOSS HEADERS! The Low Loss header explained.
![Junichi Nakagawa's "The Gas Man Who Doesn't Sell Gas" 026 [06/2026]](https://i.ytimg.com/vi/N5DGDnj7r54/hqdefault.jpg?sqp=-oaymwE9CNACELwBSFryq4qpAy8IARUAAAAAGAElAADIQj0AgKJDeAHwAQH4Af4JgALQBYoCDAgAEAEYfyA0KBowDw==&rs=AOn4CLC2jbYRZPmrt6SH0z077z7V5-cSpw)
Junichi Nakagawa's "The Gas Man Who Doesn't Sell Gas" 026 [06/2026]

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