• Get the best quotes, fast!
  • Over 5,000 engineers across the UK
  • Gas Safe registered engineers
Need a new boiler? Get FREE no-obligation quotes now!
Get FREE no-obligation quotes now!
  • No delays! Get quotes today
  • Compare quotes & get the best prices
  • Gas Safe & OFTEC registered engineers
The smarter way to find approved boiler engineers
Excellent 4.7 out of 5
Excellent 4.7 out of 5

Compare Oil System Boilers

You can select up to 4 oil boilers. Simply add your choices to compare.

Filter boilers

Fuel type

Boiler type

Manufacturer

Firebird

Boiler Model kW Efficiency Warranty Typical Price

Available

Firebird Envirolite Utility Internal 35kW Regular Oil Boiler 35kw 92% 2 years £2,200 VIEW
Firebird Envirolite System Internal 35kW Oil Boiler 35kw 93% 2 years £1,905 VIEW
Firebird Enviromax C20 Internal 20kW System Oil Boiler 20kw 94.8% 2 years £1,555 VIEW
Firebird Enviromax C26 Internal 26kW System Oil Boiler 26kw 94.8% 2 years £N/A VIEW
Firebird Eviromax C35 Internal 35kW System Oil Boiler 35kw 94.4% 2 years £1,945 VIEW
Firebird Eviromax C44 Internal 44kW System Oil Boiler 44kw 93.8% 2 years £2,205 VIEW
Firebird Enviroblue SystemPac C26 External 26kW System Oil Boiler 26kw 94.8% 2 years £N/A VIEW
Firebird Enviroblue SystemPac C20 External 20kW System Oil Boiler 20kw 94.8% 2 years £N/A VIEW
Firebird Enviroblue SystemPac C35 External 35kW System Oil Boiler 35kw 94.4% 2 years £N/A VIEW
Firebird Enviroblue Slimline SystemPac C20 External System Oil Boiler 20kw 93% 2 years £N/A VIEW
Firebird Enviroblue Slimline SystemPac C26 Ext. 26kW System Oil Boiler 26kw 93% 2 years £N/A VIEW
Firebird Enviroblue Slimline SystemPac C35 External System Oil Boiler 35kw 92% 2 years £N/A VIEW
Firebird Envirogreen System C20 Internal Oil Boiler 20kw 92.5% 2 years £N/A VIEW
Firebird Envirogreen System C26 Internal Oil Boiler 26kw 92.6% 2 years £N/A VIEW
Firebird Envirogreen System C35 Internal Oil Boiler 35kw 92.6% 2 years £N/A VIEW
Firebird Envirogreen System C44 Internal Oil Boiler 44kw 93.8% 2 years £N/A VIEW
Firebird Envirogreen Systempac C20 External Oil Boiler 20kw 92.5% 2 years £N/A VIEW
Firebird Envirogreen Systempac C26 External Oil Boiler 26kw 92.6% 2 years £N/A VIEW
Firebird Envirogreen Systempac C35 External Oil Boiler 35kw 92.6% 2 years £N/A VIEW
Firebird Envirogreen Systempac C44 External Oil Boiler 44kw 93.8% 2 years £N/A VIEW
Firebird Envirogreen Slimline Systempac C20 External Oil Boiler 20kw 92.5% 2 years £N/A VIEW
Firebird Envirogreen Slimline Systempac C26 External Oil Boiler 44kw 92.6% 2 years £N/A VIEW
Firebird Envirogreen Slimline Systempac C35 External Oil Boiler 35kw 92.6% 2 years £N/A VIEW

Show Discontinued

Firebird Enviroblue Kitchen System Internal 20kW Oil Boiler 20kw 93% 2 years £1,250 VIEW
Firebird Enviroblue Kitchen System Internal 26kW Oil Boiler 26kw 93% 2 years £1,450 VIEW
Firebird Enviroblue Kitchen System Internal 35kW Oil Boiler 35kw 93% 2 years £2,000 VIEW

Grant

Mistral

Boiler Model kW Efficiency Warranty Typical Price
Mistral Sealed System CS1 20kW Oil Boiler 20kw 92% 2 yr. parts - 5 yr. heat exch £2,300 VIEW
Mistral Sealed System CS2 26kW Oil Boiler 26kw 92% 2 yr. parts - 5 yr. heat exch £2,370 VIEW
Mistral Sealed System S1 20kW Oil Boiler 20kw 87% 2 yr. parts - 5 yr. heat exch £1,320 VIEW
Mistral Sealed System S2 26kW Oil Boiler 26kw 87% 2 yr. parts - 5 yr. heat exch £1,380 VIEW
Mistral Sealed System S3 35kW Oil Boiler 35kw 87% 2 yr. parts - 5 yr. heat exch £1,500 VIEW
Mistral Sealed System S4 41kW Oil Boiler 41kw 87% 2 yr. parts - 5 yr. heat exch £1,680 VIEW
Mistral Outdoor Sealed System OD SS1 20kW Oil Boiler 20kw 87% 2 yr. parts - 5 yr. heat exch £1,500 VIEW
Mistral Outdoor Sealed System OD SS2 26kW Oil Boiler 26kw 87% 2 yr. parts - 5 yr. heat exch £1,590 VIEW
Mistral Outdoor Sealed System OD SS4 41kW Oil Boiler 41kw 87% 2 yr. parts - 5 yr. heat exch £1,920 VIEW
Mistral Sealed System CS3 35kW Oil Boiler 35kw 92% 2 yr. parts - 5 yr. heat exch £2,700 VIEW
Mistral Sealed System CS4 41kW Oil Boiler 41kw 93% 2 yr. parts - 5 yr. heat exch £3,200 VIEW
Mistral Outdoor Sealed System COD SS1 20kW Oil Boiler 20kw 92% 2 yr. parts - 5 yr. heat exch £1,605 VIEW
Mistral Outdoor Sealed System COD SS2 26kW Oil Boiler 26kw 92% 2 yr. parts - 5 yr. heat exch £1,680 VIEW
Mistral Outdoor Sealed System COD SS3 35kW Oil Boiler 35kw 92% 2 yr. parts - 5 yr. heat exch £2,040 VIEW
Mistral Outdoor Sealed System COD SS4 41kW Oil Boiler 41kw 90% 2 yr. parts - 5 yr. heat exch £2,160 VIEW

Navien

Viessmann

Warmflow

Worcester Bosch

Need a new boiler?

Get FREE no-obligation quotes now!

Excellent 4.7 out of 5
Excellent 4.7 out of 5

Filter boilers

Fuel type

Manufacturer

FILTER
COMPARE