Vokèra Unica i36

Type Combi boiler
Fuel Gas
Efficiency Rating A
Standard Warranty 7 years***
Weight 41kg
Width x Height x Depth 400mm x 780mm x 384mm
Max kW Output 36kw
Flow rate 14.7l/min


The Unica i36 is a condensing combi boiler that is the most powerful unit in Vokera’s Unica boiler series.

It boasts a modulation ratio of 10:1, which means it could reduce its power to as little as 10% when less is needed – this is a class-leading example of technology that could revolutionise the way your home receives central heating.

Product description

The Unica i36 could be suitable for medium to large homes that have a higher demand for hot-water. Its 14.7 litres per minute flow rate means that it could supply hot-water to multiple taps at once without losing pressure, so large families could benefit from this model.

With an energy efficiency rating of 93%, the i36 is a powerful unit that has a heat output of 30kW for central heating and 36kW for hot-water; so you could supply up to 20 radiators with this installed into your home.

The Unica i36 is a slightly larger unit than its i28 and i32 sister boilers at 384mm deep, but the width and height remain the same to keep it compact enough to potentially fit into a standard kitchen cupboard.


Reviews and accolades

Here are a few of the ratings that the Unica i36 has received:

  • 5 star efficiency rating
  • 3 stars for ease of repair
  • 3 star brand customer score
  • 3 stars for availability of parts and spares
  • 3 stars for ease of service

(Source: Which? 18/07/2018)


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Similar Alternative Models

It’s typically advised that you compare products on the market in as much detail as you can before deciding on a new boiler. Here are some alternatives to the Unica i36:

1. Ideal Logic c35

  • Typically suitable for medium to large homes with an average to high demand for hot-water
  • Compact unit at just 278mm deep
  • 5 years’ standard manufacturer-backed warranty through HomeServe***

2. Ideal Logic+ C35

  • Instantaneous hot water
  • Compact in size
  • Energy Saving Trust endorsed

3. Vokèra Unica i32

  • Typically suitable for houses with 3 to 4 bedrooms, up to 15 radiators and 1-2 bathrooms
  • Flow rate of 13.1 litres per minute
  • More compact size at just 358mm deep

Get a quote today from our free online quote tool to find out how much it could be to install a new boiler into your home.


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***Subject to an annual service at the customer's expense. Warranty extension from 5-years to 10-years only available on Worcester Bosch and Ideal gas boilers.