Habitat Heating In Explosive Atmospheres | Successfully Setting New Standards

Portable & Powerful Heating 

Rapidly Raising Ambient Temperatures To Accelerate Processes

Habitats provide engineered protection to workers which control environments to achieve safe working conditions in explosive atmospheres and enable critical maintenance work on an oil or gas facility – this supports composite repairs and pipe wrapping to be carried out.

Today, aging asset infrastructure requires expensive maintenance, repair and asset life-extension programs which in turn requires compliant, efficient and cost-effective maintenance products to enable safe infrastructure repairs.

The safe space heating and air warming of habitats in explosive atmospheres using electric heaters improves worker comfort and productivity while accelerating the curing processes in onshore and offshore low temperature conditions.

Offshore Heaters

The Bulldog Heater is now currently being used on assets owned and operated by some of the largest international O&G companies including BP, Shell, Apache and Total.


Following extensive North Sea trials and scrutiny by ATEX Compliance Inspectors the Bulldog Heater has been adopted by several oil and gas E&P companies and their fabric maintenance contractors due to reduced weight and compact design – the advanced portability assists mobility for ladder, scaffold and tower working reducing incident or accident risks.

The Bulldog Heater manufactured by EXHEAT and UK Distributed by Thorne & Derrick provides portable but powerful heating to warm-up the workspace and with ATEX & IECEx Certifications protects personnel working in hazardous areas where the potential presence of flammable hydrocarbon gases poses serious potential risk of explosion.

Consequently, Bulldog has received Offshore Inspection Release Notices for several projects and is now accepted as the industry standard temporary and portable electric heater for hazardous areas in the oil and gas sector.

Habitat Heating

ATEX and IECEX Approved Hot Work Habitat & Welding Enclosure | Image Cunningham

The Bulldog Heater Specification

Hazardous Area Classification: Zone 1 or Zone 2 (IIA, IIB & H2 T3 T4)

T Class: T3 or T4 Temperature Class Heaters

Rating: Up To 6kW

Voltage: Single Phase 110V to 277V | Three-Phase 380V to 690V 50/60Hz

Download: Heating Performance | Technical Data | Design Guide & Brochure

The Worlds First Truly Portable Hazardous Area Fan Assisted Electrical Heater for Hazardous Areas & Explosive Atmosphere

Stocked & Supplied by Thorne & Derrick | Leaders in IECEx & ATEX Innovation

Hazardous Area Electrical Distributors

Integrity | Knowledge | Reliability | Electrical HVAC Process Instrumentation Eqpt


Thorne & Derrick are Electrical & Process Heating Experts with over 35 years' experience in providing optimised and customised electric heating solutions to the industrial, hazardous area and explosive atmosphere industries.

Our extensive and complete range of heaters includes: Heat Trace Cables & Systems | Air Warmers | Immersion Heaters | Process Heaters | Portable Heaters | Drums | IBC Containers | Gas Bottles | Heated Hoses | Silicone Heaters.

We provide Room Heat Loss & Space Heating Calculations to generate specifications for the most cost effective and energy efficient heating solutions that are fit for purpose and compliant with hazardous area zone classifications including  IECEx and ATEX.

We design and supply from the largest UK stocks commercial heat tracing systems for pipework frost protection, roof gutter heating for snow melting, ramp heating for snow/ice prevention and hot water temperature maintenance.


Experts In Equipment for Explosive Atmospheres & Hazardous Area Locations

Further Information | Lock | Door | Heater | Fan

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