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Apen LRN

Gas-Fired Warm Air Unit Heater

The Apen LRN is a high-specification, high-efficiency modulating gas-fired unit heater delivering outputs from 15kW to 84.5kW. With up to 97% efficiency, a proven premix burner with microprocessor-controlled modulation, very low NOx emissions, and flexible flue options, it provides reliable warm air heating for industrial and commercial buildings.

KEY FEATURES

15kW to 84.5kW heat outputs

15kW to 84.5kW output range

up to 97% efficiency

Up to 97% efficiency

microprocessor controlled modulation

Microprocessor-controlled modulation

very low NOx emissions

Very low NOx emissions

proven premix burner technology

Proven premix burner technology

flexible rear or top flue exit

Flexible rear or top flue exit

PRODUCT OVERVIEW

Reliable, High-Efficiency Gas Warm Air Heating

The Apen LRN is a high-specification, high-efficiency modulating gas-fired unit heater meticulously engineered for the demanding requirements of industrial and commercial spaces. With outputs ranging from 15 kW to 87 kW at full fire, it is suitable for a wide variety of applications and building sizes.

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Delivering efficiency ratings of up to 97%, the LRN provides exceptional energy savings and lower operational costs. Each unit is equipped with a proven premix burner featuring continuous microprocessor-controlled modulation, ensuring optimal combustion efficiency and precise temperature control at all times.

 

The LRN produces very low nitrogen oxide (NOx) emissions, contributing to a cleaner environment and meeting modern environmental standards. It is an economically and ecologically sound choice for businesses that need reliable, cost-effective warm air heating.

Apen LRN Warm Air Unt Heater

INSTALLATION & CONTROLS

Flexible Flue Options & Smart Controls

Apen Smart X Easy Apen Smart X Web

The Apen LRN offers flexible installation with standard rear flue and combustion air connections that can be relocated to the top panel if required. This adaptability accommodates various installation constraints and building layouts, making it straightforward to install in a wide range of settings.

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  • Outputs from 15 kW to 87 kW at full fire to suit a broad range of applications and building sizes

  • Up to 97% efficiency for exceptional energy savings and lower operational costs

  • Proven premix burner with continuous microprocessor-controlled modulation for optimal combustion and precise temperature control

  • Very low NOx emissions for reduced environmental impact and improved air quality

  • Standard rear flue and combustion air connections, relocatable to the top panel for installation flexibility

  • User-friendly LED display clearly indicates heater status for easy monitoring and maintenance

  • Smart Easy and Smart Web controls available for intelligent system management

KEY BENEFITS

Why Choose the Apen LRN?

The LRN combines proven premix burner technology, high efficiency, and flexible installation in a reliable gas-fired unit heater that delivers consistent warm air heating day after day.

up to 15kW to 84.5kW heat output

15kW to 87kW Output

A broad spectrum of heating outputs from 15 kW to 87 kW at full fire makes the LRN suitable for a wide variety of applications and building sizes, from smaller commercial units to larger industrial spaces.

up to 97% efficiency

Up to 97% Efficiency

Efficiency ratings of up to 97% deliver exceptional energy savings and lower operational costs. The LRN provides an economically sound heating solution that keeps gas bills under control without compromising on warmth.

microprocessor controlled modulation

Microprocessor-Controlled Modulation

The proven premix burner features continuous microprocessor-controlled modulation that adjusts output to match demand precisely. This ensures optimal combustion efficiency and avoids the energy waste of fixed on/off cycling.

very low NOx emissions

Very Low NOx Emissions

Designed to produce very low nitrogen oxide (NOx) emissions, contributing to a cleaner environment and meeting modern environmental standards. A responsible choice for businesses committed to reducing their environmental impact.

proven premix burner technology

Proven Premix Burner Technology

A proven premix burner delivers reliable, consistent combustion for dependable heat output. Combined with microprocessor-controlled modulation, it provides precise temperature control and efficient performance day after day.

flexible rear or top flue exit

Flexible Rear or Top Flue Exit

Standard rear flue and combustion air connections can be relocated to the top panel if required. This flexibility accommodates various installation constraints and building layouts, simplifying installation in tight spaces.

APPLICATIONS

Ideal For These Environments

The Apen LRN is designed for industrial and commercial buildings that need reliable, efficient gas-fired warm air heating with proven performance.

 Warehouses heating

Warehouses

Large storage & distribution spaces

 Factories heating

Factories

Production floors & manufacturing

 Workshops heating

Workshops

Vehicle & industrial workshops

 Sports Halls heating

Sports Halls

Gyms, leisure centres, & arenas

 Showrooms heating

Industrial Units

Light industrial & trade spaces

 Garden Centres heating

Garden Centres

Open-plan retail & growing spaces

TECHNICAL DATA

Specifications

Model

Apen LRN

Burner

Premix - Microprocessor modulating

Type

Gas-Fired Unit Heater

Controls

Smart X Easy / Smart X Web

Output Range

15kW to 87kW

Flue

Rear ( Relocatable to Top Panel)

Efficiency

Up to 87%

Display

LED Status Indicator

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Floair LEO EL Electric Warm Air Unit Heater

Flowair LEO EL

Electric warm air unit heater. Ideal for use where no mains gas supply is available and no available space to locate an oil/gas tank. Simple installation, no flue required. 

Hadar DSF

Hadar DSF Destrat Fan

Pair with the Apen LRN for a high-efficiency heating solution. Recirculates warm air from ceiling level back to the occupied zone. 

Need Reliable Gas Warm Air Heating?

Book a free site survey and our team will assess your building, calculate the heating load, and recommend the right Apen LRN model and output for efficient, dependable warm air heating.

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