Apen LKH Hybrid Warm Air Unit Heater
Apen LKH Hybrid Warm Air Unit Heater
Apen LKH Hybrid Warm Air Unit Heater
Apen LKH Hybrid Warm Air Unit Heater
Apen LKH
Hybrid Warm Air Unit Heater
The Apen LKH is a next-generation hybrid warm air heater that combines a 14 kW heat pump with a 30 kW high-efficiency gas warm air heater. As the sustainable variant of the renowned Kondensa LK Series, it delivers reliable heating and cooling for industrial and commercial buildings while significantly reducing energy consumption and carbon emissions.
KEY FEATURES
14kW heat pump + 30kW gas heater
Up to 108% efficiency
20% hydrogen blend ready
Heating & cooling year-round
Smart X control system
Compact & easy to installation
PRODUCT OVERVIEW
The Next Generation of Warm Air Heating
The Apen LKH is the sustainable evolution of the proven Kondensa LK Series. It combines a 14 kW heat pump with a 30 kW high-efficiency gas warm air heater in a single unit, delivering hybrid heating that significantly reduces energy consumption and environmental impact compared to conventional gas-only warm air heaters.
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With efficiencies of up to 108% and pre-mixing combustion technology, the LKH ensures low emissions and compliance with modern green regulations. The system provides both heating and cooling, making it a versatile year-round climate solution for industrial and commercial buildings, as well as sports halls.
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The LKH is also designed and certified to operate with gas-hydrogen blends of up to 20%, ensuring the unit is future-ready as fuel standards evolve. This makes it a smart investment for buildings that want to start reducing carbon emissions now while remaining compatible with the transition to hydrogen-blended gas supplies.
PERFORMANCE & CONTROLS
Smart Control, Powerful Output
Each LKH unit comes equipped with Smart X control, allowing users to easily manage system settings for optimal comfort and efficiency. The automated regulation reduces both gas and electricity consumption, providing measurable savings while maintaining consistent performance.
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14 kW heat pump combined with 30 kW high-efficiency gas warm air heater in a single unit
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Aluminium-copper water battery providing additional heating capacity up to 15 kW and cooling capacity up to 12 kW
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Integrated EC axial fan delivering 4,500 m³/h airflow (0-10 VdC) for efficient warm or cool air distribution
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Smart X control system for automated regulation of gas and electricity consumption
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Up to 108% efficiency with pre-mixing combustion technology and low emissions
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Certified for gas-hydrogen blends up to 20% for future fuel compatibility
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100% factory tested for reliability, safety, and long service life
KEY BENEFITS
Why Choose Apen LKH?
The LKH combines hybrid efficiency, future-ready fuel compatibility, and robust industrial construction in a single warm air heater.
Up to 108% Efficiency
Pre-mixing combustion technology and condensing operation deliver efficiencies of up to 108%, extracting maximum heat from every unit of gas consumed. This translates directly into lower fuel bills.
Hydrogen Blend Ready
Designed and certified to operate with gas-hydrogen blends of up to 20%. As the gas grid transitions toward hydrogen, the LKH is already compatible, protecting your investment for years to come.
Heating & Cooling
The aluminium-copper water battery provides additional heating capacity up to 15 kW and cooling capacity up to 12 kW, delivering year-round climate control from a single wall-mounted unit.
Smart X Control
Intelligent automated regulation reduces both gas and electricity consumption by managing system settings for optimal comfort and efficiency. Measurable savings with consistent, reliable performance.
Compact & Easy to Install
Compact dimensions and intelligent design make the LKH easy to install in new projects or as a replacement for existing gas systems. Fully compatible with modern heat pump technology for a seamless upgrade path.
Quiet Operation
Low noise emissions make the LKH suitable for occupied commercial and industrial spaces where noise disruption is a concern. The EC axial fan delivers 4,500 m³/h of airflow smoothly and quietly.
APPLICATIONS
Ideal For These Environments
The LKH is designed for industrial and commercial buildings that need efficient warm air heating with reduced carbon output, plus optional cooling for year-round comfort.
Warehouses
Large storage & distribution spaces
Factories
Production floors & manufacturing
Sports Centres
Gyms, leisure, and arenas
Workshops
Vehicle & industrial workshops
Industrial Units
Light industrial & trade spaces
Garden Centres
Open-plan retail & growing spaces
Logistics Centres
Distribution hubs & depots
