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Combi boiler reviews
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Greenstar 30Si Reviews (Combi Condensing)
Our rating: 4/5
Efficiency rating: 90.1%*
Average householder rating: 1/5
Average installer rating:
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Worcester-Bosch Greenstar 30Si
The Worcester-Bosch Greenstar 30Si is a condensing combination boiler for domestic hot water and sealed central heating systems. The Greenstar 30Si is compact – and light at just 27kg – enough to be hung on a wall and to be manhandled, easily, by just one person. The boiler is typically suitable for installation in a medium-sized house or flat with just a single bathroom. The Worcester-Bosch Greenstar 30Si is neverthless highly energy efficient – "A" rated according to the SEDBUK ("Seasonal Efficiency of Domestic Boilers in the United Kingdom") database maintained by the British Government – and has some exclusive design features.
The WB3 heat cell for example allows exhaust gases – which would otherwise be lost through the boiler flue – to be cooled to around 55°C such that the heat they contain is recycled by the system. This means that the Worcester-Bosch Greenstar 30Si is anything up to 20% more energy efficient than an older boiler resulting in lower fuel costs and environmental impact.
Features of the Worcester-Bosch Greenstar 30Si boiler include:
- Compact, H710mm x W400mm x 330mm, dimensions and light weight
- 12.3 litres (2.7 Imperial gallons) of hot water per minute
- Wall mounting jig with pipe work behind so that none is exposed
- Robust and efficient WB3 series heat cell
- Sophisticated control systems for domestic hot water and central heating including RF ("Radio Frequency") controlled room thermostat
- "Keep hot" facility in primary heat cell for instant hot water
- Low environmentally damaging emissions (CO2 and NOx)
- Built-in frost protection
Comments & reviews
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* When review applies to a range of boilers, efficiency applies to best model in range. Always check with manufacturer.
By f jezierski on 08 Jan 10
Householder rating: 1/5
Mine was installed November 2007. Just been told today Jan 8 2010 (by a £146 /half hour emergency engineer) that corrosion and resultant water spill means I need a new boiler