Space and Water Heating Systems

Plant size ratio out of range (heat pumps)
When inputting a heat pump from the PCDB, on rare occasions, the software may flag an error which would prevent calculation, such as: When this occurs, a...
Thu, 10 Dec, 2020 at 11:35 AM
Which heat pump to select?
As with any device, to use the PCDB, the exact make, model, and model qualifer from the database must be selected. With heat pumps however, there are usual...
Fri, 23 Jul, 2021 at 4:32 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...
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