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Firebird Envirogreen Slimline Combi C35 Internal Oil Boiler

Firebird Envirogreen Slimline Combi C35 Internal Oil Boiler Boiler
Typical Price (inc VAT)
£2,425
Typical installation Cost (inc VAT)*
£1000 - £1500
Sundries (Filter, Flue, etc)
£300
Total Cost
£3,725 - £4,225
Make Firebird
Model Envirogreen Slimline Combi C35 Internal Oil Boiler
Is Condensing Condensing
Efficiency Rating 93%
Band Rating A Rating
LPG Compatible No
Standard Warranty 2 Years
Central Heating Max. Output 35kW
Mounting Floor Standing
Flow Rate 16 l/min
Typical Price (inc VAT) £2,425
Typical installation Cost (inc VAT)* £1000 - £1500
Sundries (Filter, Flue, etc) £300
Total Cost £3,725 - £4,225
ERP Rating A Heat B Hot Water

* This is a guide price for a straightforward, like-for-like boiler replacement. Installation costs will vary dependent on work required.

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Product Description

The Envirogreen Slimline C35 is a condensing combi oil boiler from Firebird that’s designed for internal installation.

How efficient is the Envirogreen Slimline C35?

The Envirogreen Slimline C35 is a highly efficient unit, as shown by the seasonal efficiency rating of 93% and ErP A-rating for heat. This unit also has a B-rating for hot water thanks to a high flow rate of 16 litres a minute.

Is the Envirogreen Slimline C35 suitable for my home?

The Envirogreen Slimline C35 is best suited to larger homes with 2+ bathrooms and a higher demand for heating and hot water thanks to the output rating of 35 kW.

What options are available in the Envirogreen Slimline range?

If the heating and hot water demand of your home isn’t high enough to warrant a 35 kW model, then the Envirogreen Slimline range also includes output ratings of 20kW, 26 kW and 44 kW. So whether you live in a small home or a larger home, there’s an Envirogreen Slimline unit for you.

Where can this boiler be installed?

This boiler has been designed for internal installation in a kitchen or utility room, with its compact size allowing it to fit under a standard kitchen worktop.

Will this boiler save me money?

The high efficiency of the Envirogreen Slimline C35 means that it will keep your energy bills down all year round. Plus, thanks to its compact size, installation is made much simpler which will help to save you money there too.

Is a combi boiler suitable for my home?

As a combi boiler, this unit will supply heating and hot water on demand using the mains water supply. This is ideal for smaller properties where the heating and hot water demands aren’t so high and also means space is saved thanks to it not needing any tanks or cylinders.

What are the key features of the Envirogreen Slimline C35?

Envirogreen Slimline C35 boilers boast some key features that will benefit your home, including low NOx and blue flame options, excellent hot water performance of up to 20 litres per minute, rapid reheat after hot water draw off, full insulation and acoustic design for quiet operation, a durable casing with high quality finish and a PCB controller with highly accurate thermistors.

The unit also includes a no flow switch, front service access, low pressure switch to protect the unit in the unlikely event of system water loss, flexible sitting thanks to multi-directional flue option, state of the art technology incorporating a single high efficiency Grundfos circulating pump for outstanding efficiency and a stylish design with a concealed control panel that won’t look out of place in a kitchen or utility room.

Does this boiler come with a warranty?

Available with a 2 year warranty as standard, with the option to extend this to 10 years if eligible, you’ll be well covered by Firebird in the unlikely event of an issue.

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  • Get quotes today, installed tomorrow
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0330 808 0405
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0330 808 0405
4.7/5 out of 26,752 reviews

1,8 million quotes provided in 10 years

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