Meeting program

Together, we can build bridges between the academy and the GSHP industry!

The International GSHPA Convention registration desk opens on September 15 at KTH campus (address: Drottning Kristinas väg 15, 100 44 Stockholm)


Address: Drottning Kristinas väg 15, 100 44 Stockholm

Day 1 at KTH Campus

7:30 - 8:30 - Registration and breakfast

8:45 - 9:00 - Opening session and welcoming words. Professor Björn Palm (KTH) & Dominika Rydel (Swedish Avanti Drillers Association)

9:00 - 9:30 - The international Ground Source Heat Pump market, challenges and business oportunities. Martin Forsén (president of the board of the European Heat Pump Association EHPA and manager of international affairs at NIBE)

9:30 - 10:00 - IGSHPA and IGSHPA Sweden. John Turley (president of IGSHPAs board of directors), Roshan Revankar (IGSHPAs Acting Executive Director) & José Acuña (KTH and co-founder of IGSHPA Sweden).

10:00 - 10:15 - Coffee break

10:15 - 10:45 - Deep borehole heat exchangers, advantages and disadvantages. Dr. Henrik Holmberg (NTNU and Asplan Viak) & Willem Mazzotti (PhD candidate, KTH)

10:45 - 11:15 - VÄRMESTUGAN – Retrofitting of short boreholes with solar collectors, preliminary results from field measurements. Prof Joachim Claesson (KTH)

11:15 - 11:45 - Design and optimization of groundwater-filled and grouted borehole heat exchangers, from correlations to practice. Prof. Jeffrey Spitler, Oklahoma State University

11:45 - 12:00 - Characterization of polyethylene pipes used in Ground heat Exchangers, Part 1. Adib Kalantar (Muovitech).

12:00 - 13:00 - Lunch (included in the price)

13:00 - 13:25 - Past and future of thermal conductivity testing. Palne Mogensen (PMAB and research advisor at KTH) and Dr. José Acuña (KTH)

13:25 - 13:45 - New ethanol based circulating fluids for ground source heat pumps and methods for flushing and purging borehole heat exchanger systems. Monika Ignatowicz (PhD candidate, KTH)

13:45 - 14:45 - Panel: Differences and oportunities between USA and Sweden. John Turley (IGSHPA), Prof. Jeffrey Spitler (OSU), Tony Jernström (Skånska Energi and HP borrningar), Martin Forsén (EHPA and NIBE), Prof Marco Fossa (UNIGE), Dr. Hatef Madani (KTH)

14:45 - 15:30 - Technical introduction to Akademiska Hus BTES at Stockholm University, 130 boreholes - Johan Tjernström (energy strategist at Akademiska Hus), Jonas Jansson (Stures Brunnsborrningar), Dr. Alberto Lazzarotto, PhD candidate Patricia Monzó (KTH), Mikael Nygren (Tyréns), Åke Annsberg (energy system operator at Akademiska Hus)

15:30 - 16:15 - Coffee break and visit to KTHs laboratory of Applied Thermodynamics and Refrigeration

16:15 - 17:45 -  Transport by bus and Study visit to Akademiska Hus BTES at Stockholm University, 130 boreholes

18:00 -  Transport by bus from study visit to common dinner for those who have bought the dinner option at  Wenngarn Castle   (fully booked). Hotell check-in at the castle for those attending the EXPO on day 2.

19:30 - (FULLY BOOKED) Ground source heat pump and groundwater dinner with Swedish drillers

Day 2 at the Wenngarn Castle

For information about the EXPO and seminars on day 2 please visit