EXHEAT LFH – T3 ATEX Fan Heaters | Hazardous Areas Zone 1 Zone 2

 


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Yellow Ducting for EXHEAT LFH Temporary Fan Heater

EXHEAT LFH-T3 Temporary Fan Heater | Zone 1 & Zone 2

Product Code: LFH – T3

EXHEAT LFH – T3 Temporary fan heater incorporates superior efficiency with ease of use offering a heating solution for hazardous areas (ATEX, IECEX and CU TR EAC) where the potentially explosive atmosphere is classified as Zone 1 & Zone 2 according to ATEX Directive.

The LFH Fan Heater, manufactured by EXHEAT, comes ready to ‘plug and play’, with the option of fitting a plug, or hard wiring to an isolator unit. Integrating a stainless steel robust casing for added toughness and durability, the EXHEAT LFH electric heater has been developed to function in ambient temperatures of -40°C to +40°C.


SEE TECHNICAL SPECIFICATIONS



Product Overview

EXHEAT LFH – T3 Fixed fan heater incorporates superior efficiency with ease of use offering a heating solution for hazardous areas (ATEX, IECEX and CU TR EAC) where the potentially explosive atmosphere is classified as Zone 1 & Zone 2 according to ATEX Directive.

The LFH Fan Heater, manufactured by EXHEAT, comes ready to ‘plug and play’, with the option of fitting a plug, or hard wiring to an isolator unit. Integrating a stainless steel robust casing for added toughness and durability, the EXHEAT LFH electric heater has been developed to function in ambient temperatures of -40°C to +40°C.

Certified to the new EN 80079-36 and EN 80079-37 standards for constructional safety, the EXHEAT LFH – T3 electric fan heater offers up to 20kW of thermal power. This power can be used to heat a mid-sized room to a comfortable temperature or directed to heat specific areas within a large room – contact us with your requirements and we can specify suitably rated heaters for your application.

EXHEAT LFH Temporary Fan Heater in Offshore Habitat Environment

Contact our trusted experts – place an order or find out more about the EXHEAT LFH-T3 for your operations. Thorne & Derrick International, based in the UK, are the leading stockists and suppliers of Electric & Process Heating & Heat Trace, providing technical advice, quotations and fast worldwide delivery for both UK & export projects.

Contact Our Experts


Technical Specifications

EXHEAT LFH-T3 ATEX Temporary Fan Heater – Technical Specifications

Model Duty (kW) Volts Max Current (A) Air Delta T (°C/°F) ³
LFH – T3
LFH-15-440-T3
LFH-15-440-T3-I (Temporary)
15 440V 21 38 / 68
13.5 415V 20 34 / 61
12.5 400V 19 32 / 58
11 380V 18 28 / 50
12.5 230V (3Ph) 33 32 / 58
Up to 15 Up to 690V Based on Voltage Up to 38 / 68
  • LFH and XLFH fan heaters are also available in 480V, 600V and 690V options.
  • Maximum currents include motor inrush.
  • Air Delta T values taken at outlet
  • EXHEAT LFH – T3 has a temperature class rating of T3. This range of fan heaters is also available with a T4 or T2 rating.

EXHEAT LFH-T3 ATEX Temporary Fan Heater – Materials

Component Material
Casing Stainless steel
Impeller PA66 30% glass and steel filled blades and epoxy coated aluminium hub
Elements Finned stainless steel tubular elements
Ex d Enclosure Anodised aluminium
Ex e Enclosure Stainless steel
Motor Housing Epoxy coated aluminium

EXHEAT LFH-T3 ATEX Temporary Fan Heater – Performance Data

Model Specification 50Hz 60Hz
LFH – T3
LFH-15-440-T3
LFH-15-440-T3-I (Temporary)
Approx Air Velocity at Outlet (m/s) 6.0 6.3
Approx Volumetric Flow Rate (m³/hr) 2120 2240
Fan Speed (min⁻¹) 1380 1460
Motor Rating (kW) 1.1 1.1
Sound Pressure (dBA) 78 80

Key Benefits

✔ Delivers a powerful and reliable 14.5kW heating output for hazardous area use

✔ Certified for Zone 1 & Zone 2 gas and Zone 21 & Zone 22 dust environments

✔ Achieves up to a 38°C temperature rise using patented heating technology

✔ Provides constant full-output heating for consistent temporary heat delivery

✔ Operates reliably in extreme ambient temperatures down to –40°C

✔ RTD monitoring protects the elements and maintains correct T-Class ratings

✔ Long flying lead available for flexibility and convenience

✔ Fully ductable on inlet and outlet for precise heat placement

✔ Stainless steel construction for long-term durability in harsh environments

✔ Anti-static castors and lifting handles allow easy on-site movement

✔ Local isolation switch provides straightforward, safe operation

✔ Optional power cables and plugs available on request

✔ Low-maintenance design ideal for demanding temporary heating tasks

EXHEAT LFH ATEX Temporary Fan Heater in Aircraft Maintenance Environment

Applications

✔ Aircraft servicing and aerospace maintenance environments

✔ Offshore containers, drilling rigs and production platforms

✔ Oil refineries, petrochemical plants and hazardous processing areas

✔ Comfort heating in controlled or temporary industrial spaces

✔ Curing and drying of paints, coatings and composite repairs

✔ Frost protection for sensitive equipment and work environments

✔ Paint stores, spray booths and controlled finishing rooms

✔ Pipe wrapping, composite repair works and habitat pressurisation

✔ Shipboard areas including deck houses, pump stations and engine rooms

✔ Temporary enclosures and maintenance habitats requiring safe heating

✔ Any Zone 1 & Zone 2 hazardous area requiring reliable temporary heat

EXHEAT LFH ATEX Temporary Fan Heater in Paint Store Environment

Certifications

The LFH-T3 is designed to meet stringent global safety requirements, with full ATEX, IECEx and CU TR (EAC) certification for use in explosive gas (IIB) and dust (IIIC) atmospheres. A bespoke low-temperature protection system allows operation down to –40°C, while an integrated RTD sensor monitors heating element temperature to maintain the assigned T-Class Rating and safeguard against overheating. With superior build quality, high thermal performance and proven safety, the EXHEAT LFH-T3 stands out as the leading ATEX temporary fan heater for reliable, high-output heating in hazardous industrial environments.

ATEX Certified Ex Symbol

ATEX Certified

II 2 G D
Ex db eb h IIB+H2 T2…T4 Gb
Ex tb IIIC T300°C…T135°C Db IP65
IECEx Certification Symbol

IECEx Certified

Ex db eb h IIB+H2 T2…T4 Gb
Ex tb IIIC T300°C…T135°C Db IP65
EAC Certification Symbol

CU TR (EAC) Certified

1Ex db eb IIB+H2 T3…T4 Gb X
Ex tb IIIC T200°C T135°C Db X

Data Sheets