• speech bubble icon Get the best quotes, fast!
  • pin icon Over 5,000 engineers across the UK
  • checkbox icon 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 4.5 out of 5
Trust Pilot
Excellent 4.5 out of 5
Trust Pilot

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
Firebird Envirolite Utility Internal 35kW Regular Oil Boiler 35kw 92% 2 years £2200 COMPARE
Firebird Envirolite System Internal 35kW Oil Boiler 35kw 93% 2 years £1905 COMPARE
Firebird Enviroblue Kitchen System Internal 20kW Oil Boiler 20kw 93% 2 years £1250 COMPARE
Firebird Enviroblue Kitchen System Internal 26kW Oil Boiler 26kw 93% 2 years £1450 COMPARE
Firebird Enviroblue Kitchen System Internal 35kW Oil Boiler 35kw 93% 2 years £2000 COMPARE
Firebird Enviromax C20 Internal 20kW System Oil Boiler 20kw 94.8% 2 years £1555 COMPARE
Firebird Enviromax C26 Internal 26kW System Oil Boiler 26kw 94.8% 2 years £0 COMPARE
Firebird Eviromax C35 Internal 35kW System Oil Boiler 35kw 94.4% 2 years £1945 COMPARE
Firebird Eviromax C44 Internal 44kW System Oil Boiler 44kw 93.8% 2 years £2205 COMPARE
Firebird Enviroblue SystemPac C26 External 26kW System Oil Boiler 26kw 94.8% 2 years £0 COMPARE
Firebird Enviroblue SystemPac C20 External 20kW System Oil Boiler 20kw 94.8% 2 years £0 COMPARE
Firebird Enviroblue SystemPac C35 External 35kW System Oil Boiler 35kw 94.4% 2 years £0 COMPARE
Firebird Enviroblue Slimline SystemPac C20 External System Oil Boiler 20kw 93% 2 years £0 COMPARE
Firebird Enviroblue Slimline SystemPac C26 Ext. 26kW System Oil Boiler 26kw 93% 2 years £0 COMPARE
Firebird Enviroblue Slimline SystemPac C35 External System Oil Boiler 35kw 92% 2 years £0 COMPARE
Firebird Envirogreen System C20 Internal Oil Boiler 20kw 92.5% 2 years £0 COMPARE
Firebird Envirogreen System C26 Internal Oil Boiler 26kw 92.6% 2 years £0 COMPARE
Firebird Envirogreen System C35 Internal Oil Boiler 35kw 92.6% 2 years £0 COMPARE
Firebird Envirogreen System C44 Internal Oil Boiler 44kw 93.8% 2 years £0 COMPARE
Firebird Envirogreen Systempac C20 External Oil Boiler 20kw 92.5% 2 years £0 COMPARE
Firebird Envirogreen Systempac C26 Exteranl Oil Boiler 26kw 92.6% 2 years £0 COMPARE
Firebird Envirogreen Systempac C35 External Oil Boiler 35kw 92.6% 2 years £0 COMPARE
Firebird Envirogreen Systempac C44 External Oil Boiler 44kw 93.8% 2 years £0 COMPARE
Firebird Envirogreen Slimline Systempac C20 External Oil Boiler 20kw 92.5% 2 years £0 COMPARE
Firebird Envirogreen Slimline Systempac C26 External Oil Boiler 44kw 92.6% 2 years £0 COMPARE
Firebird Envirogreen Slimline Systempac C35 External Oil Boiler 35kw 92.6% 2 years £0 COMPARE

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 £2300 COMPARE
Mistral Sealed System CS2 26kW Oil Boiler 26kw 92% 2 yr. parts - 5 yr. heat exch £2370 COMPARE
Mistral Sealed System S1 20kW Oil Boiler 20kw 87% 2 yr. parts - 5 yr. heat exch £1320 COMPARE
Mistral Sealed System S2 26kW Oil Boiler 26kw 87% 2 yr. parts - 5 yr. heat exch £1380 COMPARE
Mistral Sealed System S3 35kW Oil Boiler 35kw 87% 2 yr. parts - 5 yr. heat exch £1500 COMPARE
Mistral Sealed System S4 41kW Oil Boiler 41kw 87% 2 yr. parts - 5 yr. heat exch £1680 COMPARE
Mistral Outdoor Sealed System OD SS1 20kW Oil Boiler 20kw 87% 2 yr. parts - 5 yr. heat exch £1500 COMPARE
Mistral Outdoor Sealed System OD SS2 26kW Oil Boiler 26kw 87% 2 yr. parts - 5 yr. heat exch £1590 COMPARE
Mistral Outdoor Sealed System OD SS4 41kW Oil Boiler 41kw 87% 2 yr. parts - 5 yr. heat exch £1920 COMPARE
Mistral Sealed System CS3 35kW Oil Boiler 35kw 92% 2 yr. parts - 5 yr. heat exch £2700 COMPARE
Mistral Sealed System CS4 41kW Oil Boiler 41kw 93% 2 yr. parts - 5 yr. heat exch £3200 COMPARE
Mistral Outdoor Sealed System COD SS1 20kW Oil Boiler 20kw 92% 2 yr. parts - 5 yr. heat exch £1605 COMPARE
Mistral Outdoor Sealed System COD SS2 26kW Oil Boiler 26kw 92% 2 yr. parts - 5 yr. heat exch £1680 COMPARE
Mistral Outdoor Sealed System COD SS3 35kW Oil Boiler 35kw 92% 2 yr. parts - 5 yr. heat exch £2040 COMPARE
Mistral Outdoor Sealed System COD SS4 41kW Oil Boiler 41kw 90% 2 yr. parts - 5 yr. heat exch £2160 COMPARE

Navien

Viessmann

Warmflow

Worcester Bosch

Need a new boiler?

Get FREE no-obligation quotes now!

Excellent 4.5 out of 5
Trust Pilot
Excellent 4.5 out of 5
Trust Pilot

Filter boilers

Fuel type

Manufacturer

FILTER
COMPARE