EXHEAT Heaters | Hazardous Area Process Heaters | Zone 1 & Zone 2 ATEX IECEx Certified


EXHEAT | Hazardous Area Heaters

EXHEAT | Electric Heaters

IECEx & ATEX Certified Electric Heaters for Explosive Atmospheres

EXHEAT is a globally renowned manufacturer of hazardous area electric process heating and control systems – Thorne & Derrick, Experts in Equipment for Explosive Atmospheres, are the largest stockist and supplier of EXHEAT heaters in the UK including ATEX and IECEx certified electrical heating products.

EXHEAT experience in producing heaters suitable for use within hazardous areas and their range of custom made heaters means EXHEAT and Thorne & Derrick can provide a heating solution for almost any situation. The range of process heaters and industrial heaters are designed and manufactured in the UK and with over 20 years experience the highest quality product is guaranteed.

EXHEAT Industrial offers fast-track solutions suited to the diverse requirements of the industrial sector, providing a wide-range of pre-engineered electrical heating systems for explosive atmospheres including:

  • Hazardous area air warmers, enclosure heaters and industrial convector and fan heaters
  • Flameproof radiators, fan heaters, water boilers, immersion heaters and thermostats
  • Industrial, baptistery and portable immersion heaters
  • Heating elements (rod, cartridge and core type)
  • Flameproof instrument housing and transmitters

EXHEAT Heaters Product Range

Hazardous Area Electrical Heaters

Should you require any customer support or service to enable the selection or specification of the correct electric heater for use in explosive atmospheres please do not hesitate to contact us.

EXHEAT FAW Air Warmers – ATEXEXHEAT FCR Convector Heaters – ATEX EXHEAT FLR Liquid Radiators – ATEX
EXHEAT FAW Hazardous Area Heater ATEXEXHEAT FCR Hazardous Area Heater ATEXEXHEAT FLR Hazardous Area Heater ATEX
EXHEAT FWD-T Adjustable Air Warmers – ATEXEXHEAT MFH Fan Heaters – ATEXEXHEAT FWD Air Warmers – ATEX
EXHEAT FWD T Hazardous Area Heater ATEXEXHEAT MFH Hazardous Area Heater ATEXEXHEAT FWD Hazardous Area Heater ATEX
EXHEAT FXE Enclosure Heaters – ATEXEXHEAT HEF Enclosure Heaters – ATEXEXHEAT STW Industrial Convector Heaters
EXHEAT FXE Hazardous Area Heater ATEXEXHEAT HEF Hazardous Area Heater ATEXEXHEAT Industrial Convector Heaters STW

World’s First Portable Hazardous Area Fan Assisted Heater | EXHEAT MFH “The Bulldog” Portable Fan Heater – an electric heating solution for use in hazardous area environments where the explosive atmosphere is classified as Zone 1/2 Gas  (IIB+H2) or Zone 21/22 Dust (IIIC). The heater is compact, lightweight and powerful (up to 6kW).

EXHEAT Heaters Typical Hazardous Area Heating Applications

EXHEAT Heaters Typical Hazardous Area Heating Applications


hazardous area Process Heating & Electrical Control Systems

EXHEAT process heaters and electrical control systems provide hazardous area, intrinsically safe heating for Zone 1/21 and Zone 2/22 gas and dust explosive atmospheres. The range includes in-line, air, fan, immersion and water heaters for use in both onshore and offshore applications. Process heaters are designed for common applications such as space heating and water heating and the range of heaters use an element that convert electrical current into heat.

The range of electric heaters are suitable for use in the most challenging conditions from highly corrosive environments required the correct material properties to desert conditions where both high and low ambient temperatures must be taking into consideration.

ATEX EX Hazardous Area Heating - EXHEAT

T&D UK & Exports support worldwide oil, gas and petrochemical projects with an extensive range of Hazardous Area Electrical, Mechanical, Process & Instrumentation Equipment.

Electric Heating Advantages

Efficiency – Almost all of the electricity used by the heaters is turned directly into heat removing the need for tuning or additional heating.

Precision – With direct heating solutions there are extremely fast reaction times and superior temperature control giving the flexibility to deal with varying process conditions.

Environmental – Electrical process heaters do not produce pollutants as a by-product and avoids the monitoring and control measures necessary to meet environmental regulations. In addition, with very few moving parts, there is no concern surrounding noise pollution.

Product Size & Dimensions – Electrical heaters boast a small footprint and remove the need for additional pipes or supports, therefore saving space.

Costs – Being smaller in size, the initial costs are automatically lower and the near 100% efficiency levels means the ongoing costs are also minimal.

Installation & Maintenance – Electrical heaters are extremely simple to install and with minimal moving parts require very little maintenance.

ATEX Certified Electrical Heating Equipment for Hazardous Areas

ATEX Certified Electrical Heating Equipment for Hazardous Areas

Hazardous Area Electrical Heaters

Hazardous Area Electrical Heaters | International Certifications

Exheat FWD Flameproof Hazardous area air heater

EXHEAT FWD flameproof hazardous area flameproof air heaters are designed specifically for use in small spaces, work and storage areas and are certified for use in Zone 1 and Zone 2 gas groups or Zone 21 and Zone 22 dust groups.

EXHEAT FWD air heater is manufactured from a fabricated carbon steel enclosure and is weatherproof to IP66. The hazardous area heater is available is temperature classes T2, T3 and T4 and is suitable for floor or wall mounting.

There are many applications and industries where the EXHEAT FWD would be suitable for use including gas installations, chemical plants, offshore installations, battery stores, paint/solvent stores, sugar refineries and dusty environments. The individually replaceable heating elements make any required maintenance extremely simple and quick.

FWD flameproof heater is rated between 500W – 2kW and comes with 2 x 20mm plugged cable entries as standard. If required the heater can be controlled remotely with an EXHEAT hazardous area thermostat.

EXHEAT FWD-T Hazardous Area Heater ATEX

EXHEAT FWD flameproof heater suitable for use in hazardous areas and explosive gas atmospheres Zone 1 & Zone 2 according to ATEX Directive – where the atmosphere is classified as a Zone 1 or 2 (IIA, IIB, IIC) gas group, or a Zone 21 or 22 (IIIA, IIIB, IIIC) dust group.

Exheat | Zone 1 & Zone 2 Explosive Atmosphere Heating

Hazardous areas are classified into zones based on an assessment of the frequency of the occurrence and duration of an explosive gas atmosphere as follows:

  • Zone 0: An area in which an explosive gas atmosphere is present continuously or for long periods;
  • Zone 1: An area in which an explosive gas atmosphere is likely to occur in normal operation;
  • Zone 2: An area in which an explosive gas atmosphere is not likely to occur in normal operation and, if it occurs, will exist for a short time.

Various sources have tried to place time limits on to these hazardous area zones, but none have been officially adopted. The most common values used are:

  • Zone 0: Explosive atmosphere for more than 1000h/yr
  • Zone 1: Explosive atmosphere for more than 10, but less than 1000 h/yr
  • Zone 2: Explosive atmosphere for less than 10h/yr, but still sufficiently likely as to require controls over ignition sources.

EXHEAT heaters have been manufactured and certified by international classifications to be suitable for use in both Zone 1 and Zone 2 explosive gas atmospheres and hazardous areas.

Product Applications & Industries

EXHEAT hazardous area and process heaters are used throughout many industries over varying applications.

Typical industries served include:

  • Oil & Gas
  • Processing Plants
  • Petrochemical
  • Refinery
  • Pharmaceutical
  • Food Processing
  • Medical
  • Utilities

Throughout these hazardous area industries there are many applications that are currently using electrical heaters including fuel gas, glycol regeneration, crude oil, oxygen, process gas, heat transfer fluids, HVAC and hot water calorifiers.

When working in hazardous areas and potentially explosive atmospheres, it is absolutely imperative that explosion proof and resistant equipment is used and only heaters that are certified to the applicable international standards are used in order to prevent a serious incident such as an explosion from occurring.

Hazardous Area Electrical Heating | EXHEAT

Hazardous Area Electrical Heating | EXHEAT

About Exheat

For over 20 years EXHEAT have been designing and manufacturing the highest quality electrical process heaters and control systems. The company sets its mission statement as “To lead the global hazardous area electric heaters and control systems industry”.

In order to try and achieve this aim, EXHEAT have their core focus on five key points:

  1. Embracing new technologies and continuous improvement in their product range
  2. Continually offering innovative solutions and offering the best quality
  3. Offering globally approved equipment certified for use in hazardous areas
  4. Supporting customers with a high level of support in design, engineering and project management
  5. Supporting customers worldwide with an experienced team of service engineers

EXHEAT’s manufacturing techniques meet the highest requirements, design codes, international standards and client specifications. Their design processes enable EXHEAT to provide heating solutions for the most extreme applications from cryogenic service to gas regeneration.

Hazardous Area Electrical Distributors

Integrity | Knowledge | Reliability | Electrical HVAC Process Instrumentation Equipment


Thorne & Derrick are leaders in the development and distribution of ATEX & IECEx Product Innovations that deliver significant improvements to clients plant, people and operational safety in the explosive atmosphere industries.

Your proactive problem solvers experienced in succession planning for the replacement of obsolete, non-conformant and legacy equipment in hazardous areas.

Your first-choice provider of innovative and competitive solutions to ensure ATEX & IECEx Compliance for Hazardous Area Electrical, HVAC & Process Instrumentation Equipment to UK and international projects.

Panels | Plugs | Isolators | Enclosures | Lighting | Control Stations | Motor Starters | Heat Trace | Gas Detection | Flame DetectionProcess InstrumentationProcess Heating | Fans | Security Locking & Access Control 

Hazardous Area Electrical Equipment

Competitive Prices | Extensive Stocks | Technical Support | Express Delivery