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Mistral Boilers Boiler Efficiency Rating, Repair & Service

Mistral - Boiler Efficiency Page

Mistral manufacture oil fired heating appliances and have now gained over 40 years of experience in the industry. A British company, manufacturing all of their products in Shropshire, Mistral offer a range of highly efficient boilers that produce low emissions.

Mistral manufacture a wide range of System and Combi oil boilers in several sizes to suit the needs of a variety of homes.

Combi Standard

Their Combi Standard range offers condensing and non-condensing boilers that provide heating and hot water in a highly efficient way. Thanks to their compact design, they can be kept under a standard kitchen worktop so that they’re out of your way. If you prefer your boiler to be outside, then outdoor models are also available.

Should water performance be high on your agenda, then the CC4 model is said to produce almost twice as much hot water as any other Combi.

Combi Plus

Offering many of the same features as their Combi Standard range, Mistral’s Combi Plus boilers are separated from the Standard range due to an added 230V electric immersion heater that’s installed into the boiler heat store. Should there be an oil failure or the boiler isn’t in full operation, then the immersion heater can provide a backup supply of domestic hot water.

Mega Combi Plus

Again, the Mega Combi Plus comes with all of the same features as the other Combi ranges Mistral have available but the Mega Combi Plus for larger homes such as barn conversions and country homes. Available in outputs of 41-70Kw, these boilers can run up to 35 litres of water per minute.

Sealed System

In this range of System boilers, there’s a condensing and non-condensing boiler available, designed to partner a pre-installed water heating sealed system. The condensing boilers are highly efficient and come with an ErP A rating while the non-condensing boilers have a standard efficiency.

How Much Does A Mistral Boiler Cost?

Mistral have many Combi and System boilers available so depending on the heating and hot water demands of your home the cost could be anywhere between £1800 and £4600 for Combi boilers and £1500 to £3200 for a System boiler. These potential prices don’t include the cost of installation which will vary depending on the engineer carrying out the work. Due to having more moving parts, the System boilers are likely to have higher installation costs attached to them.

Model Type Fuel Efficiency
Mistral BH 1 50/70 Non-Condensing Oil 85.6%
Mistral BH 2 70/90 Non-Condensing Oil 85.6%
Mistral BH 50/90 Contract Non-Condensing Oil 85.6%
Mistral BH 90/150 Contract Non-Condensing Oil 85.5%
Mistral BH1-5070 Boiler House Non-Condensing Oil 82.3%
Mistral BH2-7090 Boiler House Non-Condensing Oil 82.3%
Mistral BH3 90/120 Non-Condensing Oil 85.5%
Mistral BH3-9012 Boiler House Non-Condensing Oil 83.8%
Mistral BH4 120/150 Non-Condensing Oil 85.5%
Mistral BH4-1215 Boiler House Non-Condensing Oil 83.8%
Mistral C 50/90 Plus Non-Condensing Oil 83.9%
Mistral C 50/90 Standard Contract Non-Condensing Oil 83.9%
Mistral C 90/150 Contract Non-Condensing Oil 83.8%
Mistral C 90/150 Plus Contract Non-Condensing Oil 83.8%
Mistral C1 50/70 Plus Non-Condensing Oil 83.9%
Mistral C1 50/70 Standard Non-Condensing Oil 83.9%
Mistral C1-5070 Combi Non-Condensing Oil 80.6%
Mistral C2 70/90 Plus Non-Condensing Oil 83.9%
Mistral C2 70/90 Standard Non-Condensing Oil 83.9%
Mistral C2-7090 Combi Non-Condensing Oil 80.6%
Mistral C3 90/120 Plus Non-Condensing Oil 83.8%
Mistral C3 90/120 Standard Non-Condensing Oil 85.5%
Mistral C3-9012 Mega Combi Non-Condensing Oil 82.1%
Mistral C4 120/150 Plus Non-Condensing Oil 83.8%
Mistral C4 120/150 Standard Non-Condensing Oil 83.8%
Mistral C4-1215 Mega Combi Non-Condensing Oil 82.1%
Mistral CBH – 5070 Boiler House Condensing Oil 90.7%
Mistral CBH – 7090 Boiler House Condensing Oil 90.7%
Mistral CBH 15/26 Contract Condensing Oil 90.8%
Mistral CBH 26/40 Contract Condensing Oil 90.9%
Mistral CBH1 15/20 Condensing Oil 90.8%
Mistral CBH2 20/26 Condensing Oil 90.8%
Mistral CBH3 – 9012 Boiler House Condensing Oil 90.0%
Mistral CBH3 26/35 Condensing Oil 90.9%
Mistral CBH4 – 1215 Boiler House Condensing Oil 90.0%
Mistral CBH4 35/40 Condensing Oil 90.9%
Mistral CC 15/26 Plus Contract Condensing Oil 89.1%
Mistral CC 15/26 Std Contract Condensing Oil 89.1%
Mistral CC 26/40 plus contract Condensing Oil 89.2%
Mistral CC 26/40 Std Contract Condensing Oil 89.2%
Mistral CC1 – 5070 Condensing Combi Condensing Oil 89.0%
Mistral CC1 15/20 Plus Condensing Oil 89.1%
Mistral CC1 15/20 Std Condensing Oil 89.1%
Mistral CC2 – 7090 Condensing Combi Condensing Oil 89.0%
Mistral CC2 20/26 Plus Condensing Oil 89.1%
Mistral CC2 20/26 Std Condensing Oil 89.1%
Mistral CC3 – 9012 Combi Condensing Oil 88.3%
Mistral CC3 26/35 plus Condensing Oil 89.2%
Mistral CC3 26/35 Std Condensing Oil 89.2%
Mistral CC4 – 1215 Combi Condensing Oil 88.3%
Mistral CC4 35/40 plus Condensing Oil 89.2%
Mistral CC4 35/40 Std Condensing Oil 89.2%
Mistral CK 3 – 9012 Kitchen Condensing Oil 90.0%
Mistral CK1 – 5070 Kitchen Condensing Oil 90.7%
Mistral CK2 – 7090 Kitchen Condensing Oil 90.7%
Mistral CK4 – 1215 Kitchen Condensing Oil 90.0%
Mistral CKUT 15/26 Contract Condensing Oil 90.8%
Mistral CKUT 26/40 Contract Condensing Oil 90.9%
Mistral CKUT 3 – 9012 Kitchen Utility Condensing Oil 90.0%
Mistral CKUT1 – 5070 Kitchen Utility Condensing Oil 90.7%
Mistral CKUT1 15/20 Condensing Oil 90.8%
Mistral CKUT2 – 7090 Kitchen Utility Condensing Oil 90.7%
Mistral CKUT2 20/26 Condensing Oil 90.8%
Mistral CKUT3 26/35 Condensing Oil 90.9%
Mistral CKUT4 – 1215 Kitchen Utility Condensing Oil 90.0%
Mistral CKUT4 35/40 Condensing Oil 90.9%
Mistral COD – 5070 Outdoor Model Condensing Oil 90.7%
Mistral COD – 7090 Outdoor Model Condensing Oil 90.7%
Mistral COD – C – 5070 Outdoor Combi Condensing Oil 89.0%
Mistral COD – C – 7090 Outdoor Combi Condensing Oil 89.0%
Mistral COD – SS – 5070 Outdoor Sealed System Condensing Oil 90.7%
Mistral COD – SS – 7090 Outdoor Sealed System Condensing Oil 90.7%
Mistral COD 15/26 Contract Condensing Oil 90.8%
Mistral COD 26/40 Contract Condensing Oil 90.9%
Mistral COD SS 15/26 Contract Condensing Oil 90.8%
Mistral COD1 15/20 Condensing Oil 90.8%
Mistral COD1 SS 15/20 Condensing Oil 90.8%
Mistral COD2 20/26 Condensing Oil 90.8%
Mistral COD2 SS 20/26 Condensing Oil 90.8%
Mistral COD3 – 9012 Outdoor Condensing Oil 90.0%
Mistral COD3 – C – 9012 Outdoor Combi Condensing Oil 88.3%
Mistral COD3 – SS – 9012 Outdoor Sealed System Condensing Oil 90.0%
Mistral COD3 26/35 Condensing Oil 90.9%
Mistral COD4 – 1215 Outdoor Condensing Oil 90.0%
Mistral COD4 – C – 1215 Outdoor Combi Condensing Oil 88.3%
Mistral COD4 – SS – 1215 Outdoor Sealed System Condensing Oil 90.0%
Mistral COD4 35/40 Condensing Oil 90.9%
Mistral CODC 15/26 Plus Contract Condensing Oil 89.1%
Mistral CODC 15/26 Std Contract Condensing Oil 89.1%
Mistral CODC 26/40 plus contract Condensing Oil 89.2%
Mistral CODC 26/40 Std Contract Condensing Oil 89.2%
Mistral CODC1 15/20 Plus Condensing Oil 89.1%
Mistral CODC2 20/26 Plus Condensing Oil 89.1%
Mistral CODC2 20/26 Std Condensing Oil 89.1%
Mistral CODC3 26/35 plus Condensing Oil 89.2%
Mistral CODC3 26/35 Std Condensing Oil 89.2%
Mistral CODC4 35/40 plus Condensing Oil 89.2%
Mistral CODC4 35/40 Std Condensing Oil 89.2%
Mistral CODSS 26/40 Contract Condensing Oil 90.9%
Mistral CODSS 3 26/35 Condensing Oil 90.9%
Mistral CODSS 4 35/40 Condensing Oil 90.9%
Mistral CS 15/26 Contract Condensing Oil 90.8%
Mistral CS 26/40 Contract Condensing Oil 90.9%
Mistral CS1 – 5070 Sealed System Condensing Oil 90.7%
Mistral CS1 15/20 Condensing Oil 90.8%
Mistral CS2 – 7090 Sealed System Condensing Oil 90.7%
Mistral CS2 20/26 Condensing Oil 90.8%
Mistral CS3 – 9012 Sealed System Condensing Oil 90.0%
Mistral CS3 26/35 Condensing Oil 90.9%
Mistral CS4 – 1215 Sealed System Condensing Oil 90.0%
Mistral CS4 35/40 Condensing Oil 90.9%
Mistral DKUT 17/33 Non-Condensing Oil 85.6%
Mistral K1-5070 Kitchen Non-Condensing Oil 82.3%
Mistral K2-7090 Kitchen Non-Condensing Oil 82.3%
Mistral K3-9012 Kitchen Non-Condensing Oil 83.8%
Mistral K4-1215 Kitchen Non-Condensing Oil 83.8%
Mistral KUT 1 50/70 Non-Condensing Oil 85.6%
Mistral KUT 2 70/90 Non-Condensing Oil 85.6%
Mistral KUT 50/90 Contract Non-Condensing Oil 85.6%
Mistral KUT 90/150 Contract Non-Condensing Oil 85.5%
Mistral KUT1 5070 Kitchen Utility Non-Condensing Oil 82.3%
Mistral KUT2-7090 Kitchen Utility Non-Condensing Oil 82.3%
Mistral KUT3 90/120 Non-Condensing Oil 85.5%
Mistral KUT3-9012 Kitchen Utility Non-Condensing Oil 83.8%
Mistral KUT4 120/150 Non-Condensing Oil 85.5%
Mistral KUT4-1215 Kitchen Utility Non-Condensing Oil 83.8%
Mistral Lo-Nox BF CBH 1 15/20 Condensing Oil 91.6%
Mistral Lo-Nox BF CBH 2 20/27 Condensing Oil 91.6%
Mistral Lo-Nox BF CBH 3 27/35 Condensing Oil 91.6%
Mistral Lo-Nox BF CBH 4 35/42 Condensing Oil 91.6%
Mistral Lo-Nox BF CC1 15/20 Condensing Oil 89.9%
Mistral Lo-Nox BF CC1 Plus 15/20 Condensing Oil 89.9%
Mistral Lo-Nox BF CC2 20/27 Condensing Oil 89.9%
Mistral Lo-Nox BF CC2 Plus 20/27 Condensing Oil 89.9%
Mistral Lo-Nox BF CC3 27/35 Condensing Oil 89.9%
Mistral Lo-Nox BF CC3 Plus 27/35 Condensing Oil 89.9%
Mistral Lo-Nox BF CC4 35/42 Condensing Oil 89.9%
Mistral Lo-Nox BF CC4 Plus 35/42 Condensing Oil 89.9%
Mistral Lo-Nox BF CKUT 1 15/20 Condensing Oil 91.6%
Mistral Lo-Nox BF CKUT 2 20/27 Condensing Oil 91.6%
Mistral Lo-Nox BF CKUT 3 27/35 Condensing Oil 91.6%
Mistral Lo-Nox BF CKUT 4 35/42 Condensing Oil 91.6%
Mistral Lo-Nox BF COD1 15/20 Condensing Oil 91.6%
Mistral Lo-Nox BF COD2 20/27 Condensing Oil 91.6%
Mistral Lo-Nox BF COD3 27/35 Condensing Oil 91.6%
Mistral Lo-Nox BF COD4 35/42 Condensing Oil 91.6%
Mistral Lo-Nox BF CODC1 15/20 Condensing Oil 89.9%
Mistral Lo-Nox BF CODC1 Plus 15/20 Condensing Oil 89.9%
Mistral Lo-Nox BF CODC2 20/27 Condensing Oil 89.9%
Mistral Lo-Nox BF CODC2 Plus 20/27 Condensing Oil 89.9%
Mistral Lo-Nox BF CODC3 27/35 Condensing Oil 89.9%
Mistral Lo-Nox BF CODC3 Plus 27/35 Condensing Oil 89.9%
Mistral Lo-Nox BF CODC4 35/42 Condensing Oil 89.9%
Mistral Lo-Nox BF CODC4 Plus 35/42 Condensing Oil 89.9%
Mistral Lo-Nox BF CODSS1 15/20 Condensing Oil 91.6%
Mistral Lo-Nox BF CODSS2 20/27 Condensing Oil 91.6%
Mistral Lo-Nox BF CODSS3 27/35 Condensing Oil 91.6%
Mistral Lo-Nox BF CODSS4 35/42 Condensing Oil 91.6%
Mistral Lo-Nox BF CS1 15/20 Condensing Oil 91.6%
Mistral Lo-Nox BF CS2 20/27 Condensing Oil 91.6%
Mistral Lo-Nox BF CS3 27/35 Condensing Oil 91.6%
Mistral Lo-Nox BF CS4 35/42 Condensing Oil 91.6%
Mistral OD 1 50/70 Non-Condensing Oil 85.6%
Mistral OD 2 70/90 Non-Condensing Oil 85.6%
Mistral OD 50/90 Non-Condensing Oil 85.6%
Mistral OD 90/150 Contract Non-Condensing Oil 85.5%
Mistral OD C1 50/70 Plus Non-Condensing Oil 83.9%
Mistral OD SS 50/90 Contract Non-Condensing Oil 85.6%
Mistral OD SS 90/150 Contract Non-Condensing Oil 85.5%
Mistral OD-C1-5070 Outdoor Combi Non-Condensing Oil 80.6%
Mistral OD-C2-7090 Outdoor Combi Non-Condensing Oil 80.6%
Mistral OD1 SS 50/70 Non-Condensing Oil 85.6%
Mistral OD1-5070 Outdoor Non-Condensing Oil 82.3%
Mistral OD1-SS-5070 Outdoor Sealed System Non-Condensing Oil 82.3%
Mistral OD2 SS 70/90 Non-Condensing Oil 85.6%
Mistral OD2-7090 Outdoor Non-Condensing Oil 82.3%
Mistral OD2-SS-7090 Outdoor Sealed System Non-Condensing Oil 82.3%
Mistral OD3 90/120 Non-Condensing Oil 85.5%
Mistral OD3 SS 90/120 Non-Condensing Oil 85.5%
Mistral OD3-9012 Outdoor Model Non-Condensing Oil 83.8%
Mistral OD3-C-9012 Outdoor Mega Combi Non-Condensing Oil 82.1%
Mistral OD3-SS-9012 Outdoor Sealed System Non-Condensing Oil 83.8%
Mistral OD4 – 1215 Outdoor Model Non-Condensing Oil 83.8%
Mistral OD4 120/150 Non-Condensing Oil 85.5%
Mistral OD4 SS 120/150 Non-Condensing Oil 85.5%
Mistral OD4-C-1215 Outdoor Mega Combi Non-Condensing Oil 82.1%
Mistral OD4-SS-1215 Outdoor Sealed System Non-Condensing Oil 83.8%
Mistral ODC 3 90/120 Plus Non-Condensing Oil 83.8%
Mistral ODC 50/90 Plus Contract Non-Condensing Oil 83.9%
Mistral ODC 50/90 Standard Contract Non-Condensing Oil 83.9%
Mistral ODC 90/150 Plus Non-Condensing Oil 83.8%
Mistral ODC 90/150 Standard Non-Condensing Oil 83.8%
Mistral ODC1 50/70 Standard Non-Condensing Oil 83.9%
Mistral ODC2 70/90 Plus Non-Condensing Oil 83.9%
Mistral ODC2 70/90 Standard Non-Condensing Oil 83.9%
Mistral ODC3 90/120 Standard Non-Condensing Oil 83.8%
Mistral ODC4 120/150 Plus Non-Condensing Oil 83.8%
Mistral ODC4 120/150 Standard Non-Condensing Oil 83.8%
Mistral S1 50/70 Non-Condensing Oil 85.6%
Mistral S1-5070 Sealed System Non-Condensing Oil 82.3%
Mistral S2 70/90 Non-Condensing Oil 85.6%
Mistral S2-7090 Sealed System Non-Condensing Oil 82.3%
Mistral S3 90/120 Non-Condensing Oil 85.5%
Mistral S3-9012 Sealed System Non-Condensing Oil 83.8%
Mistral S4 120/150 Non-Condensing Oil 85.5%
Mistral S4-1215 Sealed System Non-Condensing Oil 83.8%
Mistral SS 50/90 Contract Non-Condensing Oil 85.6%
Mistral SS 90/150 Contract Non-Condensing Oil 85.5%

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