Alpha E-Tec NX 28kW Flat
With an efficiency rating of 94% and ErP A-rating for heating and hot water, this combi boiler model is well known for its efficiency. Thanks to these ratings, depending on your current boilers efficiency rating, this combi boiler could help to lower your energy bills in the long run.
Combi boilers are often the more preferred choice of boiler in UK households, as they remove the need for any additional tanks or cylinders. This is because the water heater and the central heating are installed in the same unit. This makes combi boilers ideal for those who need hot water on demand as the water is ready instantly.
The Alpha E-Tec 28 has an output rating of 26.1kW for central heating and an output of 28kW for hot water. Although it is the least powerful in its range, don’t let this put you off, as it is still powerful enough to heat a home with up to 15 radiators and 1-2 bathrooms. If your home requires a higher demand for heating and hot water, the Alpha E-Tec Plus 33kW, Evoke 33kW and E-Tec 33kW combi gas boilers are also available.