With more than 50 years’ experience in the industry, our products deliver heat that customers can rely on. From dependable domestic combi boilers offering plenty of heat and hot water to powerful, efficient commercial systems with outputs to suit any setting, we have the solution.


Expert customer advice

Based at our head office in Kent, our customer service team is on hand to answer your questions and offer technical support. Whether you need help choosing the right heating appliance, or you have trouble before, during or after installation, we are here to assist.

In the unlikely event that you experience a problem that cannot be resolved over the phone, we’ll send out one of our nationwide service engineers. They are equipped with the latest communication technology to keep response times to a minimum.


Our high-quality products and expert, friendly service have earned us a rating of ‘Excellent’ on Trustpilot. To read what some of our happy customers have to say, take a look at our Trustpilot reviews.

Good Homes Approved

The Alpha E-Tec Plus combi boiler range has been certified ‘Good Homes Approved’ and received a five-star review from the leading home-improvement publication. The Good Homes team was impressed by the compact size, performance, quality components and value for money of the E-Tec Plus. Read more about the certification here: Alpha E-Tec Plus Good Homes Approved


For true peace of mind, we offer market leading warranties on our range of boilers. The E-Tec combi, system and regular boilers are supplied with a 7-year warranty as standard, while the E-Tec Plus comes with a 10 year warranty that can be boosted up to 13 years when installed with our PremierPack wall-mounting jig that includes the Cyclone Plus magnetic filter.


Leading the way

As part of the Italian, family-owned Immergas company, which operates in 30 countries and has manufactured over 8 million boilers, Alpha benefits from some of the most advanced production facilities in the world. With Immergas’ 50,000m² headquarters and world-leading manufacturing, research and development facilities at our disposal, we are able to continually refine our product range and indulge our passion for creating genuinely innovative heating solutions.

And now, with Immergas’ support, our mission is to promote renewable technologies and environmentally conscious lifestyles. Thanks to significant Immergas investment and commitment to sustainable solutions we are strongly geared to playing a vital role in shaping the future of climate control technologies.


E-Tec Hybrid is a packaged heat pump solution that offers a great way to take a step into renewable heating without losing the reliability.

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The Good Homes approved combi E-Tec Plus NX comes with a 10 year warranty as standard.

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A single-phase heat pump in a choice of outputs is paired with a pre-plumbed 200 litre cylinder and Smartech control.

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