Are hybrid heating systems (boiler and heat pump) the bridge to a low-carbon future? In this episode, we revisit hybrid heating systems, exploring the 2024 MCS guidelines and what they mean for UK homeowners. From heat pump and boiler integration to designing future-proofed systems, our panel (Neil Sawers, Graham Hendra, Graeme Ross and Chris Higgs) discusses how hybrids can provide comfort, cost savings and carbon reduction.
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0:00 Intro
2:54 The key changes to the 2024 MCS hybrid guidelines
8:45 In real world settings do oil boilers only do 10% of the heating in heat pump hybrid setups?
11:15 What is the thought process behind installing a hybrid ASHP heating system?
14:45 Will there be a government for hybrid systems in the UK in 2025?
17:10 Pick a heat pump that covers your full heat load for a hybrid system
18:26 Home improvement plan for hybrid systems
21:30 CHMM is connected to the new hybrid guidance
22:29 SPF and SCOP
23:24 Bad data being used for complicated heating calculations and heat losses
24:43 The farce of EPC
24:57 Double standing charges and servicing for hybrid systems
27:20 The single master controller for hybrids and can that work with non-modulating boilers?
29:37 Should homeowners opt for high-temperature heat pump over a hybrid system?
31:53 Would it be better if heat pumps were required to take on 100% of the load in hybrid systems?
33:18 Why is the current guidance for 55% heat load?
35:14 What should manufacturers do to improve hybrid systems?
35:55 Ease of switching between heat source on hybrid system
36:46 Why do hybrid systems often run the boiler and heat pump at the same time?
37:47 If you have a boiler of a different make to the heat pump, and there potential installation issues?
39:44 What should future iterations of the hybrid system MCS guidance include to make it better?
41:12 Conclusion