• 80 years of experience
  • ISO 9001-2008 certified
  • Innovative
  • Delivery from stock
  • Direct advice

Winterwarm UK Ltd.
Unit H3, Taylor Business Park
Warrington Road
Risley, Warrington
Cheshire WA3 6BL
T: +44 1925 765799 

Commercial register no. 2231586
VAT no. 483566217

Winterwarm HR-EC

The Winterwarm HR-EC is the most sustainable and comfortable gas-fired unit air heater available in the market.The HR-EC units are as standard equipped with EC fans with very low noise which also use less electricity.


​​​​​​​Unique unit air heater

These units combine efficiency and comfort with many unique features. The units are fully modulating and incorporate a so called "delta-T" control. These features guarantee a saving in gas consumption of approx. 30 %. The EC-fan reduces the sound level as much as 50%. This makes the HR-EC a perfect heating solution for showrooms, shops, cafeterias, etc. 

This patented air heater has a modulating burner control as well as a modulating system fan achieving a high efficiency of 106 %. The units HR10 - HR 60 consist of one heat exchanger so they are compact and easy to install. Also these types can be tilted forward untill 45° to create a vertical air stream.

The modern design and light colour of these units make them suitable for installation in almost every commercial building.


HR 10 EC - HR 20 EC


  • condensing heater
  • delta-T control optimizes gas consumption
  • quiet and efficient EC fan as standard
  • rapid heating of the room
  • effective heat distribution
  • HR10-60 tilt-mounted option (improved vertical heat distribution)
  • 9 outputs (10 kW-120 kW)
  • easy to install and maintenance friendly
  • modbus control options
  • ECA-listed

The whole range consists of 9 capacities from 10 to 120 kW. All types HR air heaters comply with the  ErP-directive  which comes into effect as of the 1st of January 2021.