Complete Boiler Comparison Tool 2025
Compare boiler types, brands, and efficiency ratings side-by-side. Make an informed decision for your free ECO4 boiler installation.
Boiler Types Comparison
Compare the three main types of boilers to find the best fit for your home.
Combi Boiler
4.5
92-94% Efficient
Space Required:Minimal
Installation Cost:£1,500-£3,500
Running Cost:Medium
Best For:1-3 bed homes
Advantages
- Space-saving
- Instant hot water
- No tanks required
Considerations
- Limited flow rate
- Not suitable for multiple bathrooms
System Boiler
4.7
90-92% Efficient
Space Required:Medium
Installation Cost:£2,000-£4,000
Running Cost:Low
Best For:3-4 bed homes
Advantages
- Multiple bathrooms
- Consistent pressure
- No loft tank
Considerations
- Requires cylinder
- More space needed
Regular Boiler
4.2
88-92% Efficient
Space Required:Maximum
Installation Cost:£1,800-£3,800
Running Cost:Medium
Best For:Large homes
Advantages
- Excellent for large homes
- Multiple outlets
- Compatible with old systems
Considerations
- Requires loft space
- Complex installation
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