It can be quite frustrating to realize that while it may not be so difficult moving into and decorating a new home, it can be quite difficult to ensure it is warm during the very cold seasons and cool enough during the hot season thanks to space. My sister found out about this last year in a new house where she had an ill-fitting commercial air conditioning system. With commercial air conditioning there is always a need for complex reliable fittings but with small houses you can always count on a mini split air conditioner designed just for residential homes. The latter is a ductless heat pump and my a/c local contractor says that they are good add-ons to a house that does not have a non-ducted furnace/heater like hydronic heat, space heaters and heated floors. A ductless HVAC can work for you if your home needs room additions and the a/c rep is finding it difficult to extend or install the distribution ductwork.An a/c professional describes the mini splits as having two components; an indoor air-handling unit and an outdoor compressor. The technician will link the two units using a conduit, condensate drain and suction tubing to link the two units. It might not look like a very complicated task but if you need any heat pump repair or energy saving help, call in an a/c repairman. A do-it-yourself furnace/heater repair may end up costing you more in the long run if you are not skilled. I mean, few people even manage to pull it off without basic training skills.