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Air Heaters
EXHEAT MFH 'The Bulldog' Portable Fan Heater
Exheat The Bulldog

EXHEAT MFH 'The Bulldog' Portable Fan Heater EXHEAT

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Hazardous Area Air Warmers

POA excl. VAT

EXHEAT MFH 'The Bulldog' Portable Fan Heater Details

The MFH Portable Fan Heater is the world's first truly portable hazardous area fan assisted heater.

The Bulldog combines efficient design with simple functionality to provide a portable heating solution for use in hazardous environments where the atmosphere is classified as Zone 1 or 2 (IIA, IIB & H2). Certified to the new BS EN ISO 80079-36 and BS EN ISO 80079-37 standards for constructional safety, The Bulldog comes ready to ‘plug and play’ with the option of fitting a plug, or hard wiring to an isolator unit.

The casing is moulded from a steel reinforced polymer which makes The Bulldog tough and durable. Using adjustable feet, the heater can be angled to allow for flexibility in its positioning and, with its compact design, can be easily stored or transported.

The Bulldog can be used with or without ducting to provide a warm stream of air that can be felt metres away, even in ambient temperatures as low as -40°C and up to +40°C. The heater can optionally be fitted with an additional safety device above and beyond the requirements of the certification.

The Bulldog is patent pending, application number 1614657.3


  • Compact and rigid housing suitable for onshore and offshore usage for typical applications such as offshore installations, gas installations, aircraft hangars, munition stores, spray shops, battery stores, fuel servicing areas, portable washdown heaters and many more
  • Portable and lightweight, allowing for single user manipulation / operation. Can be supplied on a long flying lead to get heat where you need it
  • Up to 6kW. The heater can be directed at an engineer working in a larger space, or at the same time, warm a mid-sized room to a comfortable operating temperature for all within
  • The Bulldog's design increases efficiency, providing a warmer flow of air for the operator at up to 5m
  • Suitable for ambient temperatures as low as -40°C and up to +40°C
  • Available in T3 and T4 temperature classes



icon-atexex.png II 2 G D Ex h

Ex db eb IIB + H2 T3 to T4 Gb

Ex tb IIIC T200°C to T135°C Db


Ex db eb IIB + H2 T3 to T4 Gb

Ex tb IIIC T200°C to T135°C Db

Main MaterialsCasing: PA66 30% with EMI shielding

Impeller: PA66 30% with EMI shielding with epoxy coated aluminium hub

Ex d Enclosure: Anodised extruded aluminium

Ex e Enclosure: Stainless steel

Motor Housing: Epoxy coated aluminium

MountingAdjustable feet at each corner allow for a stable standing on uneven surfaces
VoltageSingle phase 110V to 277V, three phase 380V to 690V 50/60Hz
Weight25kg, excluding cable and any optional components
ElementFinned stainless steel tubular elements
Maximum DimensionsLength 475mm; Width 470mm; Height 530mm
Ingress ProtectionIP65
PatentPatent pending, application number: 1614657.3
You are here
Air Heaters
EXHEAT MFH 'The Bulldog' Portable Fan Heater