Head to head
Ideal Heating Logic Max Combi C24 24kW vs Worcester Bosch Greenstar 5800i AW 7kW
The Ideal Heating Logic Max Combi C24 24kW is a gas combi boiler, 24.2 kw hot water output. The Worcester Bosch Greenstar 5800i AW 7kW is a r290 monobloc air source heat pump, 7.97 kw heat output.
Last reviewed 13 September 2026
Specifications side by side
| Ideal Heating Logic Max Combi C24 24kW | Worcester Bosch Greenstar 5800i AW 7kW | |
|---|---|---|
| Dimensions | 700 x 395 x 278 mm | 800 x 1100 x 540 mm (H x W x D) |
| Hot water output | 24.2 kW | - |
| Central heating output | 24.2 kW | - |
| ErP class | A | - |
| Seasonal efficiency | 94% | - |
| Warranty | 10 years | - |
| Hot water flow rate | 9.9 litres per minute | - |
| Heat output | - | 7.97 kW at 7/35C |
| SCOP | - | 4.54 (MCS, 35C flow) |
| Refrigerant | - | R290 (propane) |
| Sound pressure | - | 42 dB(A) |
| Weight | - | 143 kg |
| Max flow temperature | - | 75C |
Sources: Ideal Heating Logic Max Combi C24 24kW, Worcester Bosch Greenstar 5800i AW 7kW. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Logic Max Combi C24 24kW if...
A gas combi boiler with 24.2 kW of hot water output, sized for a flat or small house with one bathroom. It delivers about 9.9 litres per minute of hot water, which decides how well a shower runs while a tap is on. Warranty: 10 years. Seasonal efficiency is 94%.
Full Logic Max Combi C24 24kW specifications →Buy or hire the Greenstar 5800i AW 7kW if...
The larger 5800i AW unit, for a slightly bigger house than the 5kW model while sharing the same cabinet size and 42 dB(A) sound rating. Its R290 refrigerant and 75C flow temperature suit a radiator-based retrofit.
Full Greenstar 5800i AW 7kW specifications →Common questions
What is the difference between the Ideal Heating Logic Max Combi C24 24kW and the Worcester Bosch Greenstar 5800i AW 7kW?
The Ideal Heating Logic Max Combi C24 24kW is a gas combi boiler, 24.2 kW hot water output; the Worcester Bosch Greenstar 5800i AW 7kW is a r290 monobloc air source heat pump, 7.97 kW heat output.
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