In addition to the regular safety and operation inspection (please note that we do not provide these inspections), an operator of a boiler or an air-conditioning system is obligated to also perform regular inspection of operation efficiency according to Act no. 314/2012 Coll.
Regular inspection intervals are summarised in the table below.
| Appliance for heat production or heat supply | Regular inspection interval [years] |
| appliance combusting natural gas | 4 |
| appliance combusting solid and/or liquid fuel except natural gas | 3 |
| electrical heater for space heating (resistance-based) | 5 |
| heat pump | 5 |
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