About the ECO4 Scheme
ECO4 is the fourth iteration of the Energy Company Obligation (ECO) scheme; a well-established government policy that has already contributed to making British homes warmer and reducing their carbon emissions.
ECO4 has been operational since 2022 and will continue until 2026, during which time the government has committed to investing £4 billion in energy-efficiency and heating measures to achieve the net-zero carbon goal.
The net-zero goal will be achieved by:
- improving the fabric insulation of the dwelling
- installing new low-carbon heating systems
- installing rooftop solar PV where possible
ECO4 has been designed to reduce carbon emissions and combat fuel poverty among low-income and vulnerable households. All domestic premises, including private and social housing, are eligible for the scheme.
How Daikin can support your business with ECO4 projects
Under ECO4 scheme, “integrated gas hybrid heat pump” is as an eligible renewable heating measure. This means that installer can use the standard configuration of the Daikin Altherma Hybrid heat pump system as a possible ECO4 heating solution, replacing old heating system for on-gas properties.
Achieving High SAP Band B
When Daikin hybrid heat pump is installed along with fabric and roof top solar PV, this combination of measures not only meet the minimum requirements (MR) for majority of archetypes but also will give the installers to achieve “High SAP Band B”. This will gain the maximum possible grant under ECO4. No additional money is given above High SAP Band B under the ECO4 scheme.
SAP rating of a dwelling after fabric measures and installing Daikin Altherma Hybrid Heat Pump along with Solar PV
| Starting SAP | |||
| E | F | G | |
| SAP Band for maximum funding2 in ECO4 | High B or above | High B or above | High B or above |
| Mid Terraced + PV (3kW) | High B | High B | High B |
| Semi-detached + PV (3kW) | High B | High B | High B |
| Detached + PV (3.5kW) | High B | High B | High B |
| Bungalow + PV (5kW) | High B | High B | High B |
| Top Floor Flat + PV (2kW) | High B | High B | High B |
1. All different dwelling types are of floor area ~77m2 except flat which is simulated for 60m2 floor area.
2. Daikin hybrid heat pump achieves same or higher SAP band compared to other manufacturer’s ASHP.
Benefits of Hybrid System
- Easy and quick install [1-1.5 days]
- Doesn’t need a Tank
- Doesn’t require Rads to change
- Connect and notify
- Low sound
- Small casing
- Lightweight - Easy to handle
