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Feature
Installing an inverter heat pump is comparable to installing a conventional air-conditioning unit. In many models, the outdoor unit supplies both power and communication to the indoor units, eliminating the need for separate indoor power supplies. Unlike gas furnaces, there’ s no need for flues, combustion air intakes or gas lines – streamlining installation.
As for cost, inverter heat pumps may have a higher upfront price than basic systems with electric resistance backup. However, they often require lower power capacity. For example, a traditional 36 000 BTU heat pump system with a 10kW electric heater may need 90 amps, whereas an equivalent inverter system without resistance heating might only need 30 amps. This can avoid the need for costly electrical upgrades and save significantly over time.
The long-term energy savings, reduced environmental impact, and potential for incentives make inverter heat pumps a cost-effective and future-ready solution.
Heat pumps are not a niche or emerging technology – they are a mature, efficient and highly adaptable solution for heating and cooling. Misconceptions often stem from unfamiliarity, improper sizing or incorrect installation – not from faults in the technology itself.
When properly selected, installed and maintained, heat pumps can outperform traditional HVAC systems in both comfort and efficiency— while significantly reducing carbon emissions and operational costs.
SIMPLICITY IS THE HEIGHT OF SOPHISTICATION
Heat pumps are rapidly emerging as the preferred solution for efficient hot water generation, especially for large-scale institutions where traditional electrical geysers contribute significantly to energy consumption. Leveraging airconditioning technology in innovative ways, some South African manufacturers are now leading the charge in redefining how hot water is produced and maintained, without the high costs and energy demands of older systems.
For instance, Derick Gomez, director of MD Airconditioning, has developed a proprietary heat pump system built on the fundamental refrigeration cycle of air-conditioning units. His
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RACA Journal I October 2025 www. refrigerationandaircon. co. za