We can diagnose and repair the geothermal unit of any make or model. Sometimes depending on the age of the unit if the compressor, air coil or coax found to be at fault it may be time to consider updating to a new unit. Because of the replacement costs associated with the repairs and no warranty by updating there would be a full 10 year parts and labor warranty also with the new technology the new units are getting more efficient.
The pipe loops that are buried underground are built to last for many years. However, occasionally one may have a leak. The manifold may have to be dug up to see the loops and pressure tested to determine what might have to be done.