Vokera Evolve S Matty June 7, 2023
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VOKERA BOILERS

Vokèra by Riello has been providing reliable, high-efficiency heating and hot water solutions for over 35 years, offering a comprehensive range of domestic gas boilers to suit all homes.

Vokera are perceived as a budget brand boiler but the boiler spec on the Vibe Max boiler is equivalent to a much more expensive boiler, giving you great value for money.

Vokera Boilers

Vokera boilers offer great value for money. If you’re looking for a great value boiler purchase then WarmZilla offer a range of Vokera boilers. Vokera boilers are one of the best budget boilers available.

They claim an impressive 99% reliability rate within the first two years of installation. Vokera boilers usually come with between 5 – 10 years warranty.

Vokera manufactures a range of combi, system, and regular boilers. If you aren’t sure what boiler type you have, check out our blog, it’s important to know your boiler type before getting any boiler quotes.

Once you know what boiler type you’re looking for, you can use the WarmZilla boiler comparison function below. Just select up to 3 boilers you want to compare and you’ll be able to compare key stats side by side to see which Vokera boiler is best for you.

You can also take the WarmZilla survey, by answering a few simple questions about your home WarmZilla will be able to recommend suitable boilers for your heating and hot water requirements. You can get a quote on a new boiler in just a few minutes without adding any personal details.

WarmZilla stock Vokera boilers as a value for money boiler option. Vokera boasts a 99% reliability rate during the first two years after installation. This is a high-reliability rate and with WarmZilla Vokera boilers come with a minimum 5-year warranty, so you will have the peace of mind of knowing you’re covered.

WarmZilla offers a range of combi, system, and regular gas condensing boilers from Vokera in a range of kW options to suit small flats, apartments, and any size house.

WarmZilla offers the Vokera Excel combi, the most popular combi boiler available from Vokera.

Any Vokera boiler sold by WarmZilla comes with Gas Safe installation, system filter, system cleanse, inhibitor, wireless thermostat, 5 years guarantee, any flues or extension kits you may need; plus, if your condensate or gas pipes require upgrading – that’s included in your fixed price Vokera boiler quote too!

You can also upgrade your wireless thermostat to a choice of smart thermostats and you can add radiators to your order – all your heating requirements with one easy online purchase.

When you buy a Vokera boiler from WarmZilla, prices start from £1529 when buying your new boiler outright, or, if you want to pay by finance, prices start from £10.80 per month.

Vokera boiler prices vary depending on the model you choose and the kW output of the model you require. The Vokera Excel 25kW combi boiler is the cheapest Vokera boiler available on the WarmZilla site.

You can get a quote now and find out exactly how much your new Vokera boiler will cost, in a few minutes using the WarmZilla online survey.

All Vokera boilers are required to be serviced annually to ensure continued efficiency and safety. Failing to service your boiler annually will not only affect the safety of yourself and others around you but also affect your boiler warranty/guarantee’s validation.

An experienced and professionally qualified engineer will service your boiler in accordance with the following schedule:

  • Check the boilers performance, flue and ventilation
  • Visually check all components for water leaks
  • Full inspection for damaged or worn components
  • Visually inspect burner and heat exchanger for deposits and clean accordingly
  • Visually check for satisfactory ignition
  • Check the flame failure device, check and adjust burner pressure
  • Fully check the boiler operation and controls
  • Check the expansion vessel and reset pressure accordingly
  • Carry out a flue gas combustion analysis


Over time, your boiler’s efficiency will naturally decline slightly, however, annual servicing and regular maintenance will ensure that your boiler is working as efficiently as possible.

When purchasing a new or replacement system boiler, you will need to make room for an additional hot water storage cylinder. With system boilers, most of the important parts of the hot water and heating system, including the pump and the expansion vessel, are built-in to the unit itself, making installation quick and easy.

With an output of 18kW for central heating, this model is the least powerful in the Evolve S system range, however, it is ideal for smaller homes with up to 10 radiators. If you feel that your home requires a higher demand for central heating and hot water, then 24kW, 30kW, or 35kW could be better suited to your home. As well as a system boiler range, Vokera has designed the Evolve S range in a combi boiler, so there is an option for everyone. 

The Evolve S system boiler range includes 4 different outputs between 18kW and 35kW. This model, the 24kW, has an output of 24kW, powerful enough to heat a home with up to 15 radiators and a single bathroom.

For those who are looking for a system boiler that meets a higher demand for central heating and hot water, the 30kW and 35kW are available. If your home has less than 15 radiators, then the 18kW system boiler could be better suited to your home. As well as a system boiler range, Vokera has designed the Evolve S range as a combi boiler, so there is an option for everyone.

It is important to consider that when purchasing a new or replacement system boiler that you will need to make room for an additional hot water storage cylinder. System boilers are designed with the pump and the expansion vessel built into the boiler itself. This makes installation quick and easy. Although you will need to make room for an additional hot water storage cylinder, the boiler itself is compact and lightweight and can be fitted neatly into your standard kitchen cupboard.

The Evolve S 30kW is a compact and lightweight unit that can be installed neatly into a standard kitchen cupboard. However, it is important to consider that when purchasing a new or replacement system boiler that you will need to make room for an additional hot water storage cylinder.

System boilers are designed with the most important parts such as the pump and the expansion vessel built-in to the boiler itself. This helps with making installation quick and easy.

The Evolve S 30kW is one of the more powerful system boilers in its range, with an output of 30kW. This boiler can comfortably heat a home with up to 20 radiators. Also, as a system boiler, hot water will be stored in a cylinder, ready for your when needed. The 35kW is also available if your property has a higher demand for heating and hot water, however, the 18kW and 24kW are also available for those with lesser demand. 

With a high-efficiency rating of 94% and an ErP A-rating for heating and hot water, this system boiler could potentially help to reduce not only your carbon footprint but could also help to reduce your energy bills.

Thanks to being lightweight and compact, this system boiler can be installed into your standard kitchen cupboard, so you don’t have to worry about it ruining your kitchen aesthetics.

With an output of 35kW, this system boiler is perfect for medium-sized homes with a high demand for heating and hot water. For smaller homes with lesser demand for heating and hot water, the Vokera Evolve 18kW, 24kW and 30kW are also available. The Evolve S range is also available as a combi boiler. 

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