An objective engineering comparison between Scotland’s two most popular domestic boiler brands. Heat exchanger metallurgy, warranties, and wholesale value.
Worcester Bosch and Ideal Heating represent the two dominant boiler manufacturers installed across Greater Glasgow. Both brands are manufactured in the UK, carry A-ratings for energy efficiency (94%+), and offer compact dimensions suitable for standard kitchen cupboards.
| Feature | Worcester Bosch Greenstar 4000 | Ideal Logic+ Combi |
|---|---|---|
| Heat Exchanger | Stainless Steel (Alu-Die-Cast C6) | Cast Aluminium Silicon Alloy |
| DHW Flow Rate (30kW) | 12.3 Litres / minute | 12.4 Litres / minute |
| Manufacturer Warranty | Up to 10–12 Years (with Filter) | Up to 8–10 Years (with Filter) |
| Typical Wholesale Fitted Cost | From £1,650 Fixed | From £1,495 Fixed |
| Which? Best Buy Award | Yes (Multiple Consecutive Years) | Yes (Reader Recommended) |
In West Central Scotland, domestic water supplied from Loch Katrine is naturally soft and acidic/unbuffered. How does this affect heat exchangers?
See exact fixed pricing for both Worcester Bosch and Ideal packages fitted in your Glasgow home.
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