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Last updated: 20th March, 2024


Alpha E-Tec Combi Boiler Review

Alpha E-Tec Combi Boiler Review

Here we will review the Alpha E-Tec boiler, specifically in its capacity and whether or not this combi is right for you.

Alpha Heating Innovation

With more than 50 years of experience and an ‘Excellent’ rating on trust pilot, the Alpha brand is assured to deliver high end products that fuse technological innovation with proven traditional quality to ensure top class home heating, whatever the situation.

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Alpha E-Tec Features

The Alpha E-Tec range is one of our most popular combi boiler types due to not only its quality as we will highlight throughout this informative guide, but also its fantastic price value.

Alpha E-Tec Features

Here are some of the features of the Alpha E-Tec range:

  • Stainless steel heat exchanger

  • High efficiency pump and hydroblock assembly

  • Easy-access dry-change NTCs

  • Combined condensate and pressure relief valve connection

  • Zinc plated expansion vessel to prevent corrosion

  • Rated A (89%) for energy efficiency

  • W 440mm, D 255mm, H 712mm

  • 10 Year Warranty with iHeat

  • Two available outputs: 28kW or 33kW

  • 12.4-14.1 litres/minute

Is the Alpha E-Tec 28kW Powerful?

The E-Tec has a high efficiency Grundfos pump which helps to deliver a powerful stream of heated water throughout the home. The E-Tec output of 12.4 (28kW) litres of hot water per minute packs a punch: simply put, you won't have to shiver your way through showers any time soon! 

Hot Water Output

Suitable For

Flow Rate


The Alpha E-Tec 28kW is perfect for smaller families living in a flat or bungalow with one to two bedroom(s), one bathroom and up to ten radiators.


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Stainless Steel Heat Exchanger

Another impressive E-Tec feature is a brand new stainless steel heat exchanger and zinc plated expansion vessels in order to prevent corrosion and ensure longevity whilst maintaining robustness.

Is The Alpha E-Tec 28kW Efficient

With an 89% ErP A rating, this boiler is on the higher end of the energy efficiency scale, ensuring a potential owner need not fear frivolous finance wastage.

The brainy bunch over at Alpha have created a unique ‘Climatic’ smart tech modulating remote, designed specifically to sync and control the E-Tec range with ease. With a BUS transfer system and integrated thermostat the climatic smart remote and E-Tec boiler are a dream team for universal heating control or adjustment.

Alpha Boiler Link Up

Combi Boilers

Benefits Of Combi Boilers

Combi boilers are a popular choice for a number of reasons. Unlike conventional boilers, combi (combination) boilers link a home’s central heating system and water heating; no separate hot water tank is needed which is cleaner as it avoids potential rust or debris build up. This allows a compact boiler which could fit into a standard kitchen cupboard or be wall mounted, to thoroughly heat a home without stealing lots of space. Combi systems are also easier to service or for boiler replacement due to their popularity, meaning greater availability.

What Is The Price Of The Alpha E-Tec?

Alpha E-Tec 28Kw Costs

Here at iHeat, Alpha E-Tec 28kW prices for both the E-Tec unit and to have the boiler installed by one of our Gas Safe registered boiler engineers start from £1,100. The average boiler and installation services cost in England is around £2000, therefore the E-Tec combined with iHeat’s free 10 year warranty guarantees not to bombard your bank account.

Should I Buy An Alpha E-Tec Boiler?

Should I Buy an Alpha E-Tec 28Kw

The E-Tec would definitely be a good option for a smaller to medium sized homes heating system due to its modern functionalities as a gas condensing combination boiler and its strength in relation to its size. However UK residents with larger properties may want to opt for a larger boiler with a higher kW outage, perhaps from the Alpha E-Tec Plus range to keep the home warm.

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Frequently Asked Questions

How efficient is the Alpha E-TEC 28?

The Alpha E-TEC 28 is known for its high efficiency, making it a popular choice for those seeking to reduce their energy consumption.

Are Alpha ETEC boilers good?

Yes, Alpha ETEC boilers are well-regarded for their reliability, efficiency, and value for money.

What is the difference between Alpha and Worcester?

Alpha offers budget-friendly, reliable boilers, while Worcester is recognized for its premium range and technological advancements.

Are Alpha boilers noisy?

Alpha boilers are generally designed to operate quietly, enhancing comfort in home environments.

What is the problem with the Alpha boiler?

Common issues with Alpha boilers can include standard maintenance concerns, but specific problems vary by model and usage.

Are Alpha boilers efficient?

Yes, Alpha boilers are designed with efficiency in mind, offering effective heating solutions and energy savings.

Stephen Day profile photo
Article by
Stephen Day | Co-founder
Gas Safe registered and FGAS certified engineer with over 20 years experience in the heating and cooling industry.