Hyundai HY125DKH 37kW 125,000BTU Diesel/Kerosene Space Heater

£349.99 (inc VAT)
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Delivery Time: Usually 1-2 working days (Monday - Friday)
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The Hyundai HY125DKH industrial space heater is an ideal choice for heating your medium-sized garage, factory or workshop so you can be prepared for the colder months.

With an impressive output of 37kW/125,000BTU, this air heater has an approximate heating area of 900m³ (31,783 cubic feet), distributing the heat quickly and evenly and keeping you warm regardless of the weather outside.

Ideal for placement in the open and semi-open, this heater is the best choice for industrial environments, including agriculture and automotive.

This forced air heater, which runs on either diesel or kerosene, can be classed as one of the most cost-effective ways to heat large areas. With an impressive average fuel consumption of only 3.6 litres per hour, this efficient space heater will keep you warm whatever the weather, with a tank capacity suitable for approximately 10.5 hours of operation.

Easy to use, simply fill/top up the easy-to-access fuel tank, plug the heater into a standard UK socket, (13 Amp UK plug already fitted), turn the thermostat to the required temperature and switch to the ‘on’ position. The temperature of this compact space heater is easily adjustable using the thermostat knob located on the side of the heater. The heater will shut down when the desired temperature is reached and restart when temperature drops.

Mounted on two wheels and fitted with a stand, this diesel space heater can be easily moved from area to area with ease.

Just like any space heater, our HY125DKH requires a little room to be left around it for safety, especially due to the quality way it projects heat into a room or area. Ideally, try to leave around 8 feet from the outlet, and 4 feet around the sides and top. Don’t forget to place it on a suitable surface!

Minimal assembly required:-

  • Just assemble the wheeled stand and fill with diesel, plug in and set the thermostat to desired temperature.

In the box:-

  • HY125DKH space heater
  • Wheel support frame
  • Wheels
  • Axle
  • Rear handle
  • Screws
  • Nuts
  • Cotter pins
  • Washers
  • User manual

What is ‘BTU’?

BTU, or, British Thermal Unit is a measure of energy - an alternative measurement to joules. The very basic way to think of a BTU is that 1 BTU is the equivalent of burning a normal-sized wooden match all the way from one end to the other.

The exact measurement of a British Thermal Unit is the amount of heat that it takes to heat one pound (approx one pint) of water by one degree and is measured at the amount of energy to make the 1lb of water heat from 39 degrees Fahrenheit up to 40. (It can take slightly more or less energy to heat water by one-degree Fahrenheit depending upon the starting temperature).

More Information
Promotional Image no_selection
Brand Hyundai
Type Diesel / Kerosine
Input Voltage 230V
Output Power 37kW or 125,000BTU/hr
Air Output 404°C
Fuel Diesel or kerosine
Fuel Consumption 3.6l/hr
Fuel Tank Capacity 38L
Approx Run Time Approx 10.5 hours
Assembled Dimensions L: 94cm x W: 51.5cm x H: 59.5cm
Shipping Dimensions / Weight L: 80cm x W: 33.5cm x H: 44cm
Weight 20.3kg
Global Trade Item Number 5059608170740
Warranty 2 years for domestic use
  • 125,000BTU/hr (37kW) output
  • 900m³ approximate heating area
  • Suitable for approx 10.5hrs of operation
  • Easy-to-read fuel, pressure and temperature gauges
  • Runs on diesel (red or white) or kerosene fuel
  • Perfect choice for industrial environments, including agriculture and automotive
  • UK-based after sales and parts
  • 2 year limited warranty*


Hyundai Power Equipment is the trading name of  Genpower Ltd. Solely distributed by Genpower, the Hyundai Power Equipment range is in good hands. A year after founding the business in 2006, Genpower was approached and awarded the contract to become the sole importer for Hyundai Power Equipment for the United Kingdom by Hyundai Corporation, Korea, based on the knowledge and machinery sales, as well as engineering, support and maintenance expertise. Sold through a large and growing network of dealers throughout the UK and Ireland, the presence of Hyundai has never been so widely felt or as far reached.
Hyundai offers petrol generators from 1kW to 10kW and diesel generators from 5kW to 100kW. The company also imports Hyundai petrol water pumps, air compressors and garden machinery.
Designed specifically for residential, estate and amenity users, the garden machinery range includes lawn mowers, grass trimmers, brush cutters, hedge trimmers, chainsaws, leaf blowers and vacuums, as well as a brand new range of petrol-engined pressure washers, adding around 20 new products to Hyundai Power Equipment’s existing generator, air compressor and water pump line-up.
Hyundai Power Products has recently launched HYUNDAI SUPPORT where you can get answers direct from the manufacturer to a range of product questions or get in touch if you have an issue.
Hyundai - Beyond Boundaries




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Hyundai HY125DKH 37kW 125,000BTU Diesel/Kerosene Space Heater
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