Head to head
Ideal Heating Logic Max Combi C24 24kW vs NIBE S2125 Model 8
The Ideal Heating Logic Max Combi C24 24kW is a gas combi boiler, 24.2 kw hot water output. The NIBE S2125 Model 8 is a air/water heat pump, up to 5.4 kw heat output.
Last reviewed 13 September 2026
Specifications side by side
| Ideal Heating Logic Max Combi C24 24kW | NIBE S2125 Model 8 | |
|---|---|---|
| Dimensions | 700 x 395 x 278 mm | 1070 x 1130 x 820 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 | - | 5.33 kW (average climate), 5.4 kW (cold climate) |
| SCOP | - | 5.0 at 35C, 3.7 at 55C (average climate); 4.1 at 35C, 3.2 at 55C (cold climate) |
| Sound power | - | 49 dB(A) at nominal rating (EN12102) |
| Weight | - | 150 kg |
| Max flow temperature | - | up to 75C |
Sources: Ideal Heating Logic Max Combi C24 24kW, NIBE S2125 Model 8. 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 S2125 Model 8 if...
A smaller NIBE S2125 rated to keep working in cold climates, reaching up to 65C flow even at -25C outdoors. It suits a smaller house where cold-weather reliability matters more than raw output.
Full S2125 Model 8 specifications →Common questions
What is the difference between the Ideal Heating Logic Max Combi C24 24kW and the NIBE S2125 Model 8?
The Ideal Heating Logic Max Combi C24 24kW is a gas combi boiler, 24.2 kW hot water output; the NIBE S2125 Model 8 is a air/water heat pump, up to 5.4 kW heat output.
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