Heat Loss Calculator Software

In association with the Heating & Hotwater Industry Council


EES Data Ltd have teamed up with the Heating & Hotwater Industry Council and re-developed the HHIC heat loss calculator to operate on all Microsoft (c) windows platforms including the latest Windows 8 system. Our new version 6.42 of the calculator and future upgrades and updates are made available for download from a secure internet link.


The software calculates room heat losses in accordance with the latest CIBSE / IDHEE domestic heating design guide. This software is also specified for use in Microgeneration Certification Scheme documentation as a means of calculating the sum of heat losses on a room by room basis.


<----   Typical Screen Shots are available on the link to the Left


The new software, user licence, upgrades and updates together with the technical support package is available on subscription at annual fee of just £200.00 per year plus vat per licence for each PC installed.


The annual subscription /support fee will provide you with:

  • The new Software for installation
  • The User Licence
  • On-going program changes and upgrades throughout the year
  • On-Line PC to PC connected assistance
  • Telephone, E-mail and Internet support
  • Regular Program and data updates
  • Telephone assistance


EES Data Ltd Version 6.42a of the calculator released November 2014



Existing subscribers to version 6 of the software are automatically kept up to date with e-mailed latest versions


For anyone still using older HHIC issued versions 3+, please be aware that the New Version 6 changes are substantial and include revised screen layouts, export facilities on all reports, all building Wall, Floor, Ceiling and Glazed Window fabrics with U values are included to comply with the latest CIBSE/IDHEE Heating Design Guide. Auto size and select from a wide range of leading Radiator manufacturers. Boiler sizing and selection plus on line SEDBUK boiler database auto updates now included.





On receipt of the payment made by BACS transfer /cheque / Credit Card / PayPal as below we will dispatch an e-mail containing a download file for installation of the software. Please advise by e-mail when payment has been made

Heat Loss Calculator 1 x User Licence
200.00 GBP

EES Data Heat Loss Calculator Software
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