Apricus Installation Manual
20
Consumption
Demand
Liters of Hot Water
at 60°C per person
LOW
15
MEDIUM
30
HIGH
60
Guidelines for Domestic Hot Water Useage
A general Rule of Thumb for UK / Ireland is
to assume a requirement of 50 litres of Hot
Water per person per day.
The graphic below shows typical sizing
guidelines for collectors when used for
Domestic Hot Water production in the UK
and Ireland.
Guidelines for Collectors Sizing to Match User
Demand for Domestic Hot Water
Commercial Collector Sizing
Sizing a commercial system usually requires
the use of professional modelling software.
CoolSky can offer a free design service to
our customers for these jobs.
The table below gives guidelines to typical
Hot Water Demands in commercial
applications.
Type of Building
Max. Liters of Hot Water at
60°C per person
Restaurant
6
Factory
15
Offices
14
Hotel 5*
136
Hotel (Avg)
114
Sports Facility
40
Hospital
128
Holiday Home
50
Camp Site
40
Typical Hot Water Demands in Commercial Type
Properties.
Cool Tip
Rule of Thumb to Estimate Hot
Water Demand at 60 ‚ C in UK and
Ireland :
50 litres per person per day