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Are MCS are finally improving (some of) their guidelines?

 
Government Schemes, Regulations, Planning & Organisations
Last Post by Lucia 2 months ago
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 Lucia
(@lucia)
Honorable Member Member
1646 kWhs
Joined: 9 months ago
Posts: 255
Topic starter 20/01/2025 5:01 pm  

Look: 

MCS has published an updated version of MCS 031: The Heat Pump Pre-Sale Information and Performance Calculation
 
"For some years the performance estimation method for Heat Pumps has used Seasonal Coefficient of Performance (SCoP), based on a presumed flow temperature, to estimate the Seasonal Performance Factor (SPF) and calculate the amount of electricity required to deliver the annual heat demand.
 
However, recent studies have shown that SCoP overestimates the likely SPF and takes little account of the emitters being used: whether radiators, underfloor heating or a combination of both.
 
The MCS Heat Pump technical working group therefore decided to develop this new version of MCS031 (Issue 4.0) which uses the type of system, the specific heat loss of the property, and a lookup table of SPFs drawn from the Heat Emitter Guide.
 
The new method also flags particular warnings where existing radiators are being used (and could be undersized). To accompany this new Standard, MCS has also developed an Excel tool to simplify the calculation and present the information in the required format."
 
Compliance with this update is mandatory from 18 March 2025.
-0-
 
Yay! This sounds far more sensible - emitters and water volume really matter for efficiency. It will be interesting to hear what the installation experts have to say.
This topic was modified 2 months ago by Lucia

   
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