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    Brand guide

    Alpha boilers explained

    Alpha Heating Innovation is one of the quiet success stories of the UK boiler market — Italian-engineered, British-assembled and consistently one of the best-value boilers we fit. The E-Tec Plus combi pairs a stainless-steel heat exchanger with a genuine 10-year guarantee, often for hundreds less than the equivalent Worcester or Vaillant.

    Founded
    1965, Italy (UK HQ in Crawley, West Sussex)
    Made in
    Assembled in the UK from Italian and European components
    Warranty
    Up to 10 years
    Alpha combi boiler

    Why Alpha punches above its price

    Alpha has been making heating products since 1965 and has been a serious player in the UK since the early 2000s. The headline feature on the modern E-Tec Plus range is the stainless-steel primary heat exchanger — the same long-lived material Viessmann uses, on a boiler that typically costs £400–£600 less fully fitted. Combined with a sensibly laid-out wiring centre, easy front-access servicing and a compact chassis, it makes Alpha a genuinely smart choice for homeowners who want long-term reliability without paying premium-brand prices.

    E-Tec Plus, Evoke and Pro-Tec Plus

    The E-Tec Plus is the mainstream combi — 28, 33 and 38 kW outputs with a clear LCD display and a 10-year guarantee when registered with a Gas Safe installer. The Evoke is the budget option with a 7-year guarantee, ideal for landlords and rental properties. The Pro-Tec Plus rounds out the range with system and regular variants for homes with a hot-water cylinder, also covered by the same 10-year warranty package.

    Where Alpha fits in your home

    We recommend Alpha most often for cost-conscious customers who still want a serious long-term warranty, and for compact installations where the slim chassis matters. The E-Tec Plus 33 kW is the sweet spot for most 3-bed Chorley homes and our most-fitted Alpha model. The trade-offs: the UK parts network isn't as wide as Worcester or Baxi, and the smart-control options are functional rather than polished. But for sheer value with stainless-steel longevity, very little touches it.

    Models we install most

    Alpha E-Tec Plus 28 kW Combi

    10 years warranty · 28 kW combi

    Best for: 1–2 bed homes

    Alpha E-Tec Plus 33 kW Combi

    10 years warranty · 33 kW combi

    Best for: Most 3-bed homes

    Alpha E-Tec Plus 38 kW Combi

    10 years warranty · 38 kW combi

    Best for: 4-bed / 2 bathrooms

    Alpha Evoke 28 kW Combi

    7 years warranty · 28 kW combi

    Best for: Budget combi swaps

    Alpha Pro-Tec Plus System

    10 years warranty · 30 kW system

    Best for: Homes with a cylinder

    What we love

    • Stainless-steel primary heat exchanger
    • Genuine 10-year guarantee on the E-Tec Plus
    • Compact chassis fits tight cupboards
    • Excellent value vs premium brands

    Honest trade-offs

    • Smaller UK parts network than Worcester or Baxi
    • Smart-control ecosystem is basic

    Get fast online boiler quotes for Alpha

    Build your quote online or call us — Gas Safe registered, accredited installers across Chorley & Lancashire.