If there is a period of several months when you will not be using the vacation home, you should periodically inspect the condition of the inside of the building and the outside of the building during that period.
You may do this yourself. If this is difficult, you may outsource the work to a company that operates and manages vacation home properties.
If the air conditioning system is found to be faulty in early summer or early winter, the work on your vacation home may be weeks away because the contractor is busy with work from other clients.