Our qualified heat pump engineers will diagnose your heat pump problem quickly and professionally. The fixed price call out charge includes up to 90 minutes including travel time to site. Spare parts and chemicals not included. Additional hours charged at £75.00 + vat. Further necessary work will be quoted and paid for before proceeding. Issues with the closed refrigeration cycle may need to be referred back to the appliance manufacturer or an approved F gas technician to be resolved. The additional cost of this is not included.