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Feature
VRF HEAT PUMP RETROFITS : A COST-EFFECTIVE SOLUTION FOR MULTI-USE BUILDINGS
VRF systems are an excellent choice for retrofitting older buildings with outdated HVAC systems , particularly those with multi-use applications .
The modular design , individual temperature control , and energy efficiency of VRF systems make them an increasingly popular choice for projects around the world . However , as with any HVAC system , there are pros and cons to consider , depending on the specific needs of the building and its tenants .
One example of a VRF retrofit is a new hotel project in Johannesburg , where an existing six-story lawyer ’ s office building was converted into a 459-room hotel .
Barry Wallett , RPM Engineering Group managing director , explains that in a typical VRF system , a single outdoor unit is connected to multiple indoor units , which can be adjusted to provide cooling or heating as required . “ The VRF heat pump system is particularly effective , where large seasonal temperature variations can be accommodated , particularly in Johannesburg South Africa , where summers can be very hot and winters very cold . However , the system has also
RPM Engineering Group
Barry Wallett , RPM Engineering Group managing director .
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RACA Journal I June 2023 www . refrigerationandaircon . co . za