Written by Stephen Day
Gas Safe Engineer
Updated: 3rd November, 2025
At iHeat we want our customers to receive only the best boilers available, that’s why we stock an eclectic range of models from industry big hitters and award winning innovators alike.
At iHeat we want our customers to receive only the best boilers available, that’s why we stock an eclectic range of models from industry big hitters and award winning innovators alike.
Here we will take a closer look at some of the boiler brands that could be keeping your home toasty in 2025.
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As one of the world's leading names in heating innovation, Worcester Bosch is synonymous with customer satisfaction, blending high end technology with assured traditional engineering.
Trustpilot rating - ‘Excellent’ 4.6/5 stars, 33,395 reviews

The extremely popular Greenstar branch was originally introduced by Worcester Bosch as a way of continuing to strive for a more environmentally friendly home heating range. The Worcester Bosch Greenstar collection has won an outstanding 11 Which? Best Boiler awards, with Which? claiming Worcester Bosch is “synonymous with dependability”.
Our current Worcester Bosch Greenstar boiler range-
Worcester Bosch Greenstar 2000 25kW
Worcester Bosch Greenstar 2000 30kW
Worcester Bosch Greenstar CDi Compact 28kW
Worcester Bosch Greenstar CDi Compact 32kW
Worcester Bosch Greenstar CDi Compact 36kW
Worcester Bosch Greenstar 4000 25kW
Worcester Bosch Greenstar 4000 30kW
Worcester Bosch Greenstar 8000 Life 30kW
Worcester Bosch Greenstar 8000 Style 40kW
With more than 50 years of experience and an ‘Excellent’ rating on Trustpilot, 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

Trustpilot rating - ‘Excellent’ 4.7/5 stars, 2,703 reviews
Alpha’s E-Tec boiler range is one of our most popular due to the functionality of the heating systems and their great monetary value.
Our Current Alpha E-Tec combi boiler Stock-
Viessmann is a brand with over a century of trusted design and application, allowing them to become a titan of home heating technology. Passed down over four generations, the Viessmann brand continues to push the boundaries of renewable engineering and boiler performance.
Trustpilot rating - ‘Excellent’ 4.4/5 stars, 3,713 reviews

The Vitodens family is Viessmann’s most popular range of combi boilers. Apart from their premium performance capabilities, Vitodens combi boilers are renowned for their energy efficiency, smart technology and ease of use, the Vitodens range boasts an elite level of heating and hot water production.
Our current Viessmann Vitodens boiler range-
Viessmann Vitodens 100-W 26kW
Viessmann Vitodens 050-W 25kW
Viessmann Vitodens 050-W 30kW
Viessmann Vitodens 100-W 30kW
Viessmann Vitodens 100-W 35kW
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Ideal has helped revolutionise the UK market through design and creativity. Ideal continues to be one of the most trusted and reliable boiler manufacturers in the UK due to a fusion of vast experience and a willingness to constantly adapt.
Trustpilot rating - ‘Excellent’ 4.8/5 stars, 23,355 reviews

Launched in 2009, the highly accredited Logic boiler range from Ideal has been hailed by both consumer markets and industry insiders. With an emphasis on providing highly energy efficient boilers to reduce emissions whilst simultaneously reducing a homeowners energy bills, the Logic range sounds… well, ideal.
Our Current Ideal Logic combi boiler stock-
Our box-office collection of boilers, manufactured by the trusted and celebrated brands we’ve explored above could be exactly what you need to heat your home while reducing energy bills.
With fixed prices and next day installation available, upgrading your heating system to one of our sleek and efficient boilers has never been easier, get a free online quote today!
Last updated: 3rd November, 2025
Written by Stephen Day
Gas Safe Engineer at iHeat
Stephen Day is a Gas Safe registered and FGAS certified engineer with over 20 years of hands-on experience in the heating, cooling, and renewable energy industry, specialising in boiler installations, air conditioning, and heat pump systems.
LinkedInArticles by Stephen Day are reviewed by iHeat’s technical team to ensure accuracy and reliability.
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