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Hadar Fornax

Oil-Fired Warm Air Unit Heater

The Hadar Fornax is an oil-fired unit heater available in seven models with outputs from 30 kW to 200 kW. Featuring a 304 grade stainless steel combustion chamber and heat exchanger, Hi/Lo burner, and compatibility with 35 sec oil, 28 sec oil, or HVO fuel, it delivers reliable warm air heating for buildings without a mains gas supply.

KEY FEATURES

30kW to 200kW heat output

30kW to 200kW output range

stainless steel heat exchanger

304 grade stainless steel heat exchanger

35sec, 28sec, or HVO fuel

35 sec oil, 28 sec oil, or HVO

Hi/Lo energy efficient burner

High-efficiency Hi/Lo burner

free blowing or ducted outlet

Free-blowing or ducted

Hadar simple installation

No Mains Gas Required

PRODUCT OVERVIEW

Oil-Fired Warm Air Heating for Buildings Without Gas

The Hadar Fornax is an oil-fired unit heater designed to provide efficient and reliable warm air heating for industrial and commercial spaces where no mains gas supply is available. Engineered to meet the latest standards, it combines robust construction, versatile functionality, and superior performance.

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Available in seven models with outputs ranging from 30 kW to 200 kW, the Fornax caters to a wide range of heating requirements and building sizes. Both the combustion chamber and heat exchanger are manufactured from 304 grade stainless steel, offering excellent durability, corrosion resistance, and long-term reliability.

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The Fornax can be supplied for use with 35 sec oil, 28 sec oil, or Hydrotreated Vegetable Oil (HVO) fuel. HVO is a renewable, sustainable fuel that significantly reduces carbon emissions, making the Fornax a forward-looking choice for businesses working towards lower environmental impact.

Hadar Fornax Oil-Fired Warm Air Unit Heater

CONSTRUCTION & FUEL OPTIONS

Hadar Fornax Oil-Fired Warm Air Unit Heater

Stainless Steel Heat Exchanger with Triple Fuel Choice

The Fornax features a high-efficiency Hi/Lo burner that ensures optimal combustion, efficient fuel usage, and consistent temperature control. The free-blowing configuration comes as standard, with an optional EC motor centrifugal fan available for ducted applications.

 

  • Seven models with outputs from 30 kW to 200 kW for a wide range of building sizes and heating demands

  • 304 grade stainless steel combustion chamber and heat exchanger for excellent durability and corrosion resistance

  • Compatible with 35 sec oil, 28 sec oil, or Hydrotreated Vegetable Oil (HVO) for flexible fuel choice

  • High-efficiency Hi/Lo burner for optimal combustion, efficient fuel usage, and consistent temperature control

  • Free-blowing configuration as standard for direct warm air distribution

  • Optional EC motor centrifugal fan available for ducted applications where directed airflow is required

  • Meets the stringent requirements of ErP 2021 for high energy efficiency and reduced environmental impact

KEY BENEFITS

Why Choose the Hadar Fornax?

TThe Fornax combines oil-fired convenience, stainless steel construction, triple fuel choice, and Hi/Lo burner efficiency in a unit heater built for buildings without a mains gas supply.

30kW to 200kW heat output

30kW to 200kW Output

Seven models with outputs from 30 kW to 200 kW cater to a wide range of heating requirements. From smaller workshops to larger industrial buildings, there is a Fornax model to match your space and heating demand.

stainless steel heat exchanger

304 Grade Stainless Steel

Both the combustion chamber and heat exchanger are manufactured from 304 grade stainless steel. This provides excellent durability, corrosion resistance, and long-term reliability in demanding industrial environments.

35sec, 28sec, or HVO fuel

35 Sec Oil, 28 Sec Oil, or HVO

Triple fuel compatibility gives you options to suit different fuel availability and environmental preferences. HVO is a renewable fuel that significantly reduces carbon emissions for a more sustainable heating solution.

energy efficient hi/lo burner

High-Efficiency Hi/Lo Burner

The Hi/Lo burner ensures optimal combustion and efficient fuel usage. Two heat settings provide consistent temperature control, adjusting output to match demand and avoiding energy waste.

free-blowing or ducted outlet

Free-Blowing or Ducted

Free-blowing configuration comes as standard for direct warm air distribution. An optional EC motor centrifugal fan is available for ducted applications where directed airflow to specific areas is required.

simple installation

No Mains Gas Required

Oil-fired operation means the Fornax works in buildings without a mains gas supply. Ideal for rural locations, agricultural buildings, and any site where gas is not available or not practical.

APPLICATIONS

Ideal For These Environments

The Flowair Slim is designed for commercial entrances where aesthetics and quiet operation are as important as performance.

Warehouses heating

Warehouses

Storage spaces without mains gas

Factories heating

Factories

Manufacturing facilities off gas grid

Workshops heating

Workshops

Vehicle & industrial workshops

Garden Centres heating

Agricultural Buildings

Farm buildings & rural premises

Industrial Units heating

Industrial Units

Light industrial & trade spaces

 Sports Halls heating

Sports Halls

Rural gyms & leisure facilities

Aircraft Hangars heating

Aircraft Hangars

Aviation buildings off gas grid

TECHNICAL DATA

Specifications

Model

Hadar Fornax

Fuel

35 Sec Oil / 28 Sec Oil / HVO

Type

Oil-Fired Unit Heater

Heat Exchanger

Stainless Steek

Models

7 Models Available

Distribution

Free-Blowing / Ducted

Output Range

30kW to 200kW

Compliance

Meets ErP 2021

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Flowair LEO EL Electric Warm Air Heater

Flowair LEO EL

Electric unit heater with no gas or flue required. An electric alternative for buildings without gas or oil. 

Hadar DSF

Hadar DSF Destrat Fan

Pair with the Hadar Fornax for a high-efficiency heating solutions. Recirculates warm air from ceiling level back down to occupied zones. 

Need Oil-Fired Warm Air Heating?

Book a free site survey and our team will assess your building, calculate the heating load, and recommend the right Fornax model, output, and fuel option for efficient warm air heating without mains gas.

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