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Worcester Bosch and Vaillant are both popular brands within the domestic heating industry. As a result of this, many homeowners find it difficult to make a decision about which manufacturer supplies the best boiler for their home.
Simply answer a few multiple choice questions about your existing boiler and we’ll give you a fixed price for a new boiler including all parts and installation
If you’re in need of a new boiler and can’t decide between the two brands, this guide could provide you with the information you need to make your choice. Here we aim to present you with a detailed brand comparison to ensure that the boiler you choose is able to meet your needs.
Worcester Bosch was founded in 1962 and have over the years established a commendable reputation within the domestic heating industry. Priding themselves on the production of high-quality, energy-efficient boilers, the brand’s dedication to manufacturing products that could meet a variety of central heating requirements has helped them become a popular household name.
Considered a pioneer of the combi boiler, Vaillant has maintained its esteemed reputation within the industry for over 140 years. Striving to provide homeowners with reliable and energy-efficient heating products, the brand manufactures their boilers with quality, performance and efficiency in mind.
Here’s a brief comparison of Worcester Bosch and Vaillant boiler types:
|Boiler Specifications||Worcester Bosch Greenstar 30I||Vaillant Ecotec Pro Combi 30|
|Key Features||Digital display, condensate siphon, weather compensation||Quiet operation, easy to use display, fully modulating low NOx burner and fan|
|Size (height x width x depth)||710mm x 400mm x 330mm||720mm x 440mm x 338mm|
|Hot water flow rate (Litres per minute)||10.8lpm||12.3lpm|
|Standard Warranty||5 years||2 years|
|Other outputs available (kw)||25||24, 28|
|Boiler Specifications||Worcester Bosch Greenstar CDi Classic Regular 30||Vaillant Ecotec Plus Regular 30|
|Key Features||Boiler control knob, digital display, one button commissioning mode||Backlit display, modulating system, push button programming|
|Size (height x width x depth)||760mm x 440mm x 360mm||600mm x 375mm x 316mm|
|Standard Warranty||5 years||5 years|
|Other outputs available (kw)||40||12,15,18,24,35|
|Boiler Specifications||Worcester Bosch Greenstar i System 27||Vaillant Ecotec Exclusive with Green iQ System 27|
|Key Features||Clear temperature display, low energy pump, on-board operational information and diagnostics||Green iQ technology designed for low fuel consumption, Quiet Mark approved, extra-condense heat exchanger|
|Size (height x width x depth)||690mm x 390mm x 280mm||720mm x 440mm x 338mm|
|Standard Warranty||5 years||5 years|
|Other outputs available (kw)||30||N/A|
The information provided in the above tables is as stated by the manufacturers.
On average, it is estimated that the cost of Worcester Bosch boilers could range between £750-£2000 (excluding installation), whilst Vaillant boilers could range between £796-£1400 (excluding installation). Both brands have strong reputations within the domestic heating industry so the prices of their products could be justified by their value and performance. Vaillant could be a great option for homeowners looking for a cost-effective yet efficient way of heating their home, however if you’re looking for a boiler system that is renowned for its reliability, quality and efficiency, then likewise a Worcester Bosch boiler could be an ideal choice for you.
A key factor that you should consider when choosing a new boiler is the warranty options available. After all, your boiler’s maintenance and aftercare is just as important as its installation. Boiler warranties are designed to provide you with peace of mind and reassurance in knowing that should a problem arise with one of your boiler’s components, its manufacturer could be liable to rectify the issue .
Worcester Bosch boilers typically come with a standard 5-year warranty, but here at Help-Link we could provide you with the option to extend this period for an additional 5 years for an added price of just £149! Vaillant boiler warranties tend to range between 2-7 years depending on the model selected.
All warranties come with terms and conditions and it is important that you read them carefully regardless of the boiler brand you choose; as there are often requirements that could impact your warranty’s validity. For example, it is a requirement of most boiler warranties for an annual boiler service to be carried out. A service checks that the boiler is working safely and efficiently and aims to ensure that it is free from any existing faults. Contact us today to find out more about boiler warranties and how we could help with your boiler’s upkeep.
After careful examination, it’s fair to say that both Worcester Bosch and Vaillant are credible brands that manufacture quality boilers. In terms of reputation, reliability and warranty options Worcester Bosch boilers come out on top, with a Which? brand score of 92% (Which?). However, although Vaillant boilers have a lower Which? brand score of 78%, they have higher ratings than Worcester Bosch for ease of service and repair, which means that they could be easier to maintain (Which?).
All households have different requirements, and these tend to influence which boiler option is most suitable for your home. Our trained advisors and Gas Safe engineers are more than capable of providing you with the help and advice that you need in order to make the best decision for your home. So, don’t hesitate to contact us if you’re still feeling unsure.
We’re all about the personal touch, so fill in the form below to give us an idea of where you are and one of our local advisors will give you a call back quick-sharp.
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0203 805 4581
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 Subject to an annual service at the customer’s expense. Warranty extension from 5-years to 7-years or 10-years only available on Worcester Bosch. Warranty extension from 5-years to 10-years available on Ideal Boilers. All warranty extensions subject to an additional charge.
 Exclusions apply. See www.help-link.co.uk/fixed-price-quote-faqs/
 5% online discount is available to domestic gas and LPG customers who receive an online quote for all boiler brands excluding the Ideal Logic HE24, HE30, HO15 & HO18 and Worcester Bosch 25i ERP, 30i ERP, 15ri & 18ri boilers which qualify for the winter bundles offer. £50 additional discount available on all like-for-like system swaps and a £100 additional discount is available on conventional to combi, and combi to conventional boiler swaps. Online discounted price is only available for the duration of the 14-day quote validity which starts from the day the quote was given. Help-Link UK Ltd include a filter as part of your quote as this is highly recommended by the boiler manufacturer as a key component in maintaining boiler health, functionality and may potentially be looked upon favourably by manufacturers when assessing warranty work. This filter can be removed at the customer's request. Quote also includes a programmable thermostat for all combi boiler installations as this is a legal requirement as part of the Boiler + legislation introduced 6th April 2018, and cannot be removed from the installation unless; it is replaced with an alternative smart thermostat; or another energy saving measure as listed in the Boiler + legislation or if a smart thermostat already exists within the property. Alternative thermostats, including smart thermostats are subject to an additional charge.
Customers within the following postcodes will be subject to regional price variations which will mean a premium is charged: BR, CR, DA, E, HA, EN, IG, KT, W, N, NW, RM, SE, SW, SM, TW, UB, WC, WD, EC
Offer is not available to Help-Link UK Ltd or HomeServe group employees. This offer cannot be used in conjunction with any other offers. Help-Link UK Ltd have the right to withdraw or change the offer at any time. Online discount is automatically applied when the customer gets a quote using the online quote system at www.help-link.co.uk and as long as the customer meets all the above criteria.
 Boiler warranties can only be extended at the point of sale.
Help-Link UK Limited is an appointed representative of HomeServe Membership Limited. HomeServe Membership Limited is authorised and regulated by the Financial Conduct Authority for general insurance and credit broking activities; Financial Services Register number 312518. Registered in England under company number 2770612. Help-Link UK Limited is part of the HomeServe group of companies. Registered office is at Century Way, Thorpe Park, Leeds, West Yorkshire, LS15 8ZB. Financial Services Register number 834211. VAT Number GB 559 6696 69.
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