Daikin's Multi+ system came to the UK in 2024, having previously been available in Europe, the manufacturer says. The system provides hot water, heating, cooling and air purification from a single outdoor unit1.
The account comes from a Daikin case study of an annexe flat at Blue Water in Cold Ash, Thatcham, owned by Steven Crame and Marina Bacchelli, who run ProtoCool, a heating and cooling business based in West Berkshire. ProtoCool has been in business for 15 years and over 80% of its installations are Daikin products, the case study states1. The flat previously ran on an immersion heater and electric radiators, with a modest air conditioning unit for summer1.
Daikin's UK business development manager, Anette Scheepers, said the hot water function distinguishes the product:
"This is the key to the Multi+ System, and means it can fully service a property's heating, cooling and hot water needs. The Multi+ System is perfect for smaller, more compact properties, like flats, which need to keep energy costs down, while offering the versatility of heating or cooling a home, depending on the season."
Marina Bacchelli reported that electricity related to the operation of the external system ran at between £1 and £1.50 a day over a monitored month, under £50 for the month, and that in November 2024 the system converted 95.9kWh of electricity to a thermal output of 468.8kWh1. Daikin states the system converts roughly 1 kilowatt of electricity to 3 or 4 kilowatts1. The system can integrate multiple indoor units for zone-by-zone control and can be operated remotely through the Daikin ONECTA app over Wi-Fi1.
| Item | Detail |
|---|---|
| Functions | Hot water, heating, cooling, air purification1 |
| Stated conversion | Roughly 1 kilowatt of electricity to 3 or 4 kilowatts1 |
| Monitored running cost | £1 to £1.50 a day, under £50 for the month1 |
| November 2024 output | 95.9kWh in, 468.8kWh thermal out1 |
| UK arrival | 20241 |
Why it matters for households
The Multi+ is a heat pump, so it draws most of its heat from the air rather than burning a fuel on site. For a household, that changes where the energy comes from: the home needs electricity, not a gas or oil supply, and the running cost depends on the price of that electricity against the efficiency the unit achieves. Daikin's stated conversion of roughly 1 kilowatt of electricity to 3 or 4 kilowatts is the figure that drives that comparison1.
The case study describes a flat that was previously all electric, with an immersion heater and electric radiators, and a separate air conditioning unit for summer1. A single outdoor unit serving hot water, heating and cooling removes the need for those separate appliances, which is the point Daikin makes about compact properties such as flats1. Zone control through multiple indoor units means different rooms can be held at different temperatures1.
The cost figures given are one household's monitored use of the external system over one month, not a typical or guaranteed figure, and no installation price, grant eligibility or payback period is given in the case study1. Households weighing a heat pump against a gas boiler will also want to know how the system performs in the coldest weeks, which the November 2024 figure alone does not show1. Buyers can compare systems and installers through our manufacturers hub.
What happens next
No launch date beyond 2024, no pricing and no availability details for the Multi+ in the UK are given in the case study1. ProtoCool says it intends to recommend the system to customers across Southern England1.
Sources1 cited
- The Crame Family | Daikin, daikin.co.uk