Maintenance

The amount of bounce that your floor provides can make a big difference to your ability to spend a long time standing on it.

The most important reason to ensure that your home is properly ventilated is to ensure that the quality of the air is not making you sick, and to avoid sick building syndrome.

Solar panels don't need that much maintenance thanks to the fact that they have no moving parts - although they will require a clean now and then, and will need to be professionally replaced if they become damaged.