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Best Oil System Boilers

Best Oil System Boilers

The best oil system boilers on the market


1. Worcester Bosch Greenstar Danesmoor System Utility 12/18

Our score rating: 77.56%

Efficiency rating
90%
Band rating
A
Output in kW
18 kW
Height
855 mm
Width
370 mm
Depth
600 mm
Mounting
Floor
Fuel
Oil
ERP Rating
A

Supply and installation around £2,800

2. Worcester Bosch Greenstar Danesmoor System 12/18

Our score rating: 77.35%

Efficiency rating
90%
Band rating
A
Output in kW
18 kW
Height
855 mm
Width
370 mm
Depth
600 mm
Mounting
Floor
Fuel
Oil
ERP Rating
A

Supply and installation around £2,900

3. Worcester Bosch Greenstar Danesmoor System Utility 18/25

Our score rating: 77.27%

Efficiency rating
90%
Band rating
A
Output in kW
25 kW
Height
855 mm
Width
370 mm
Depth
600 mm
Mounting
Floor
Fuel
Oil
ERP Rating
A

Supply and installation around £2,900

4. Worcester Bosch Greenstar Danesmoor System 18/25

Our score rating: 77.09%

Efficiency rating
90%
Band rating
A
Output in kW
25 kW
Height
855 mm
Width
370 mm
Depth
600 mm
Mounting
Floor
Fuel
Oil
ERP Rating
A

Supply and installation around £3,000

5. Worcester Bosch Greenstar Danesmoor External System 12/18

Our score rating: 76.74%

Efficiency rating
90%
Band rating
A
Output in kW
18 kW
Height
950 mm
Width
565 mm
Depth
780 mm
Mounting
Floor
Fuel
Oil
ERP Rating
A

Supply and installation around £3,200

6. Worcester Bosch Greenstar Danesmoor System Utility 25/32

Our score rating: 76.43%

Efficiency rating
91%
Band rating
A
Output in kW
32 kW
Height
855 mm
Width
370 mm
Depth
600 mm
Mounting
Floor
Fuel
Oil
ERP Rating
A

Supply and installation around £3,300

7. Worcester Bosch Greenstar Danesmoor External System 18/25

Our score rating: 76.26%

Efficiency rating
90%
Band rating
A
Output in kW
25 kW
Height
950 mm
Width
565 mm
Depth
780 mm
Mounting
Floor
Fuel
Oil
ERP Rating
A

Supply and installation around £3,500

8. Worcester Bosch Greenstar Danesmoor System 25/32

Our score rating: 76.24%

Efficiency rating
91%
Band rating
A
Output in kW
32 kW
Height
855 mm
Width
370 mm
Depth
600 mm
Mounting
Floor
Fuel
Oil
ERP Rating
A

Supply and installation around £3,500

9. Worcester Bosch Greenstar Danesmoor External System 25/32

Our score rating: 75.85%

Efficiency rating
91%
Band rating
A
Output in kW
32 kW
Height
950 mm
Width
565 mm
Depth
780 mm
Mounting
Floor
Fuel
Oil
ERP Rating
A

Supply and installation around £3,700

10. Grant Vortex Eco 15-21kW

Our score rating: 69.11%

Efficiency rating
92.7%
Band rating
A
Output in kW
15 kW
Height
860 mm
Width
430 mm
Depth
605 mm
Mounting
Floor
Fuel
Oil
ERP Rating
A

Supply and installation around £2,700

Other oil system boilers to consider

Range and model Rating Estimated price
Grant Vortex Eco 21-26kW 68.70% £2,900
Grant Vortex Eco 12-16kW 68.63% £2,900
Grant Vortex Pro 15 68.53% £2,900
Grant Vortex Eco 15-21kW 68.40% £3,000
Firebird Envirogreen 20 68.07% £2,800
Grant Vortex Eco 21-26kW 68.07% £3,100
Grant Vortex Eco 26-35kW 68.07% £3,100
Grant Vortex Eco 12/16 67.94% £3,200
Firebird Envirogreen 26 67.93% £2,800
Grant Vortex Eco 16/21 67.74% £3,300
Grant Vortex Eco 21-26kW
PP Score 68.70% Est price

£2,900

Grant Vortex Eco 12-16kW
PP Score 68.63% Est price

£2,900

Grant Vortex Pro 15
PP Score 68.53% Est price

£2,900

Grant Vortex Eco 15-21kW
PP Score 68.40% Est price

£3,000

Firebird Envirogreen 20
PP Score 68.07% Est price

£2,800

Grant Vortex Eco 21-26kW
PP Score 68.07% Est price

£3,100

Grant Vortex Eco 26-35kW
PP Score 68.07% Est price

£3,100

Grant Vortex Eco 12/16
PP Score 67.94% Est price

£3,200

Firebird Envirogreen 26
PP Score 67.93% Est price

£2,800

Grant Vortex Eco 16/21
PP Score 67.74% Est price

£3,300

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    The best oil system boilers on the market

    1. Worcester Bosch Greenstar Danesmoor System Utility 12/18

    Our score rating: 77.56%

    Efficiency rating
    90%
    Band rating
    A
    Output in kW
    18 kW
    Height
    855 mm
    Width
    370 mm
    Depth
    600 mm
    Mounting
    Floor
    Fuel
    Oil
    ERP Rating
    A

    Supply and installation around £2,800

    2. Worcester Bosch Greenstar Danesmoor System 12/18

    Our score rating: 77.35%

    Efficiency rating
    90%
    Band rating
    A
    Output in kW
    18 kW
    Height
    855 mm
    Width
    370 mm
    Depth
    600 mm
    Mounting
    Floor
    Fuel
    Oil
    ERP Rating
    A

    Supply and installation around £2,900

    3. Worcester Bosch Greenstar Danesmoor System Utility 18/25

    Our score rating: 77.27%

    Efficiency rating
    90%
    Band rating
    A
    Output in kW
    25 kW
    Height
    855 mm
    Width
    370 mm
    Depth
    600 mm
    Mounting
    Floor
    Fuel
    Oil
    ERP Rating
    A

    Supply and installation around £2,900

    4. Worcester Bosch Greenstar Danesmoor System 18/25

    Our score rating: 77.09%

    Efficiency rating
    90%
    Band rating
    A
    Output in kW
    25 kW
    Height
    855 mm
    Width
    370 mm
    Depth
    600 mm
    Mounting
    Floor
    Fuel
    Oil
    ERP Rating
    A

    Supply and installation around £3,000

    5. Worcester Bosch Greenstar Danesmoor External System 12/18

    Our score rating: 76.74%

    Efficiency rating
    90%
    Band rating
    A
    Output in kW
    18 kW
    Height
    950 mm
    Width
    565 mm
    Depth
    780 mm
    Mounting
    Floor
    Fuel
    Oil
    ERP Rating
    A

    Supply and installation around £3,200

    6. Worcester Bosch Greenstar Danesmoor System Utility 25/32

    Our score rating: 76.43%

    Efficiency rating
    91%
    Band rating
    A
    Output in kW
    32 kW
    Height
    855 mm
    Width
    370 mm
    Depth
    600 mm
    Mounting
    Floor
    Fuel
    Oil
    ERP Rating
    A

    Supply and installation around £3,300

    7. Worcester Bosch Greenstar Danesmoor External System 18/25

    Our score rating: 76.26%

    Efficiency rating
    90%
    Band rating
    A
    Output in kW
    25 kW
    Height
    950 mm
    Width
    565 mm
    Depth
    780 mm
    Mounting
    Floor
    Fuel
    Oil
    ERP Rating
    A

    Supply and installation around £3,500

    8. Worcester Bosch Greenstar Danesmoor System 25/32

    Our score rating: 76.24%

    Efficiency rating
    91%
    Band rating
    A
    Output in kW
    32 kW
    Height
    855 mm
    Width
    370 mm
    Depth
    600 mm
    Mounting
    Floor
    Fuel
    Oil
    ERP Rating
    A

    Supply and installation around £3,500

    9. Worcester Bosch Greenstar Danesmoor External System 25/32

    Our score rating: 75.85%

    Efficiency rating
    91%
    Band rating
    A
    Output in kW
    32 kW
    Height
    950 mm
    Width
    565 mm
    Depth
    780 mm
    Mounting
    Floor
    Fuel
    Oil
    ERP Rating
    A

    Supply and installation around £3,700

    10. Grant Vortex Eco 15-21kW

    Our score rating: 69.11%

    Efficiency rating
    92.7%
    Band rating
    A
    Output in kW
    15 kW
    Height
    860 mm
    Width
    430 mm
    Depth
    605 mm
    Mounting
    Floor
    Fuel
    Oil
    ERP Rating
    A

    Supply and installation around £2,700

    Other oil system boilers to consider

    Range and model Rating Estimated price
    Grant Vortex Eco 21-26kW 68.70% £2,900
    Grant Vortex Eco 12-16kW 68.63% £2,900
    Grant Vortex Pro 15 68.53% £2,900
    Grant Vortex Eco 15-21kW 68.40% £3,000
    Firebird Envirogreen 20 68.07% £2,800
    Grant Vortex Eco 21-26kW 68.07% £3,100
    Grant Vortex Eco 26-35kW 68.07% £3,100
    Grant Vortex Eco 12/16 67.94% £3,200
    Firebird Envirogreen 26 67.93% £2,800
    Grant Vortex Eco 16/21 67.74% £3,300
    Grant Vortex Eco 21-26kW
    PP Score 68.70% Est price

    £2,900

    Grant Vortex Eco 12-16kW
    PP Score 68.63% Est price

    £2,900

    Grant Vortex Pro 15
    PP Score 68.53% Est price

    £2,900

    Grant Vortex Eco 15-21kW
    PP Score 68.40% Est price

    £3,000

    Firebird Envirogreen 20
    PP Score 68.07% Est price

    £2,800

    Grant Vortex Eco 21-26kW
    PP Score 68.07% Est price

    £3,100

    Grant Vortex Eco 26-35kW
    PP Score 68.07% Est price

    £3,100

    Grant Vortex Eco 12/16
    PP Score 67.94% Est price

    £3,200

    Firebird Envirogreen 26
    PP Score 67.93% Est price

    £2,800

    Grant Vortex Eco 16/21
    PP Score 67.74% Est price

    £3,300

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