Glenuig Ground Source Heat Pump Case Study 

 

Technology Installed:

Ground source heat pump with integrated thermal solar panels.

IDM Energie Heat Pump, Terra type 26s and Tisun FM-S solar panels

IMG_2176

Generating Capacity (kW): 

26.6 kW, 400v, 3 phase heat pump

10 kW solar panels

 

IMG_2180

 

IMG_2175

 

 

Property Type and Size 

Large detached house (circa 300 sq m) built from SIPs (structural insulated panels) with harled block outer skin.

 

Installation Date: 

2008/2009

 

What is it replacing?

New build

 

Who installed it? 

Designed by Invisible Heating Systems, Ullapool (firm in liquidation)

Installed by Corries (firm in liquidation)

Ground works by MacGillivray Ritchie Ltd., Acharacle

 

Installation Cost

Materials (heat pump, heat store, solar panels, circulating pumps, under-floor heating pipes, ground-loop pipes, control systems, thermostats and so on – BUT not installation as this was part of the new build. £18,000

 

Grant/Funding Received/Will Receive (FiTs /RHI etc.):

£4,000 grant from Scottish Community and Householder Renewables Initiative.

 

Any issues encountered?

The control system is complex and not easy to operate.

Room thermostats are naff

Thermal solar panels are excellent

This model heat pump is not an efficient way of heating domestic hot water

 

Time from planning to installation? 

Several years

 

General Advice for those interested: 

Get expert advice

And

Talk to owners who have a system installed

 

Would you recommend the technology?

Thermal solar panels a definite yes

Ground source heat pump – possibly yes