If your property isn’t connected to mains gas and you rely on electric radiators, have you considered their efficiency? Our case study shows how switching to an efficient air conditioning system could lower your heating costs while adding cooling options. Read on to learn more about potential savings.
Client Profile
Property Type: Detached, well-insulated house
Age of Property: 15 years (built in 2009)
Heating System: Electric wall mounted radiators installed in each room
New System: Daikin Perfera wall-mounted air conditioning unit in the living room and a Daikin floor-mounted unit in the hall
Background
The client’s home is located off the main gas grid, meaning that traditional gas heating systems weren't an option. Previously, the client relied solely on electric radiators, which, while functional, are energy-intensive, especially during the colder months. The primary goal of the client was to improve energy efficiency, reduce electricity usage, and lower heating costs without sacrificing comfort.
Installation Details
After researching alternative heating solutions, the client opted to install a Daikin Perfera wall-mounted air conditioning unit in the living room. This unit provides both cooling and heating functions, making it a versatile solution for year-round comfort. After experiencing the efficient performance of the initial unit, the client decided to install a Daikin floor-mounted unit in the hall, extending the energy-efficient heating solution to a second area of the home. The electric radiators were retained in rooms that are used less frequently, providing supplemental heat as needed.
Performance and Cost Savings
The new system demonstrated an impressive reduction in electricity usage. Before installation, the client recorded annual electricity consumption of approximately 8000 kWh (2019–2021). Following the installation of the Daikin units, her yearly electricity consumption dropped to between 3200 and 5600 kWh (2022–2023). This reduction represents a decrease in electricity use of roughly 33% and correlates to significant cost savings over time.
Energy Efficiency and Cost Implications Vs Electric Radiators
Air conditioning units designed for heating, such as the Daikin models, operate with high efficiency due to their use of heat pump technology, which transfers heat rather than generating it. As a result, the system delivers more heat energy into the home compared to the electricity it consumes. The client noticed that the new system was particularly cost-effective, providing quick heating at a lower overall energy cost.
Client Feedback
The client expressed high satisfaction with the installation, noting the following key advantages:
Heating Speed: The client commented on the impressive speed of heating. Unlike the previous electric radiators, which took longer to heat each room, the Daikin units provided near-instant warmth, creating a comfortable environment much more quickly.
Temperature Control: The new system allowed for easy temperature control, enabling the client to achieve her desired temperature without frequent adjustments.
Comfort and Versatility: The dual heating and cooling functionality of the Daikin units added year-round value, eliminating the need for separate cooling solutions during the summer.
Conclusion
This case study highlights the effectiveness of a well-selected air conditioning system as a primary heating solution in a detached, well-insulated home without access to mains gas. The Daikin units provided the client with a rapid, efficient, and flexible heating solution that led to significant energy savings. By cutting her electricity usage by roughly a third, the client achieved substantial financial savings while also reducing her home’s environmental footprint. The client’s positive experience demonstrates that air conditioning units can be a viable and energy-efficient alternative to traditional electric heating in well-insulated properties.
Read more about the energy saving efficiencies of air conditioning systems compared to portable electric heaters:
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