What Happens When Your Heat Pump’s Flow Rate Is Wrong?

Video Description

In this episode of the award-winning Homeowners’ Q&A Podcast, we’re joined by Ian Edgeworth, Nigel Day and Richard Burrows. Together they explain why the majority of system inefficiencies can be traced back to poor design, wrong flow rates and bad commissioning. Sponsored by Energie Solutions: https://energiesolutions.co.uk Check out our new book The Ultimate Guide to Heat Pumps. Buy now: https://renewableheatinghub.co.uk/the-ultimate-guide-to-heat-pumps-a-comprehensive-resource-for-homeowners Get in touch with the best heat pump installers in the UK: https://renewableheatinghub.co.uk/reliable-heat-pump-installer-uk Buy Bodge Buster: Heat Pump Guide for Homeowners: amzn.to/3NVndlU Buy From Zero to Heat Pump Hero: amzn.to/4bWkPFb 🔗 Subscribe for more episodes and check out our website at Renewable Heating Hub for resources and advice: https://renewableheatinghub.co.uk Don’t forget to subscribe for more expert discussions on renewable heating: https://renewableheatinghub.co.uk/forums If you would like to sponsor an episode or be a guest on our panel, please send an email to [email protected] 🌿 FOLLOW US HERE 🌿 Renewable Heating Hub: https://renewableheatinghub.co.uk Renewable Heating Hub Forums: https://renewableheatinghub.co.uk/forums YouTube: https://www.youtube.com/c/renewableheatinghub Instagram: https://instagram.com/renewableheatinghub Email: [email protected] Got more questions? Comment below or email us at [email protected]. Don’t forget to subscribe for more episodes! 0:00 Intro 1:19 What is flow rate and why is it critical for heat pumps 2:13 How to calculate the required flow rate for an efficient system 4:13 How often is poor flow the root cause of system failure 5:58 The relationship between flow rate and delta T 7:19 Is adding more pumps a valid fix for poor flow 9:28 Manufacturer flow rate specs vs real world commissioning 13:41 The critical role of primary pipework sizing 16:34 What can a homeowner do to rectify poor flow issues 21:17 How Ian's analogy applies to new build problems 25:18 Should you expect to need extra pumps on a new install 30:18 Solutions for rectifying fundamentally flawed systems 32:29 Can poor flow be caused by unbalanced radiators 35:08 Conclusion