Space and Water Heating Systems

Which heat pump to select when you don't know the design flow temp?
If possible heat pumps should always be entered through the PCDB.  Convention 4.07 states:  If a boiler or a heat pump is not in the PCDB, use defau...
Wed, 18 Jan, 2023 at 4:01 PM
What is a boiler energy manager?
Boiler energy managers are one of the most commonly misinterpreted heating controls within RdSAP. They are incredibly rare to find in a domestic setting...
Tue, 4 May, 2021 at 11:20 PM
Boiler but no radiators/heat emitters
Where a wet heating system is present but there are no radiators or heat emitters, this must be input as 'No Main Heating System'. Without the e...
Thu, 10 Jun, 2021 at 4:04 PM
Convention 4.09: Storage heaters and room heaters
As part of an extension to our usual surveillance activities, we have become aware of lodgements being made which breach RdSAP Convention 4.09.   As per t...
Mon, 23 Aug, 2021 at 3:06 PM
Electric combi boilers with small internal storage
Following discussions at the RdSAP Convention meeting, it has been decided that the following would be the best way to input an electric combi boiler with a...
Tue, 19 Oct, 2021 at 9:57 AM
High-Heat Retention Storage Heaters
The following is a list of all high-heat retention storage heaters currently within the PCDB (last updated February 2020) Only if you are positively abl...
Tue, 24 Jan, 2023 at 11:03 AM
Flat rate charging for community systems
‘Flat rate charging’ means that households pay for the heat according to a fixed monthly or annual amount, not depending on the amount of heat actually used...
Fri, 21 Jan, 2022 at 11:56 AM