Air source heat pumps work by extracting the heat from the ambient air and they need an ample supply in order to function properly. If you chose to install a heat pump in your garage it would extract all of the warmth from the air surrounding it, this would basically turn your garage into a freezer.Click to see full answer. Considering this, can I put a heat pump in my garage?They require running a Line Set that carries refrigerant into and out of the garage. They also need electrical and control wires to the unit. Installing a heat pump into a garage is done all the time by DIY type individuals.Beside above, can I put a mini split in my garage? Mini-Split Air Conditioners A mini-split air conditioner is another cooling option worth considering. They are appealing as a garage air conditioner because they don’t require ducts and are known to be extremely energy efficient. They are also mounted high up on the wall, allowing your floor space to be preserved. Similarly one may ask, can you put a heat pump inside? Answer: In a northern climate, you should not install a heat pump in a building interior space unless it is isolated from the heated living space and has solar gains – such as in an isolated sunspace, for example.Where should I place my heat pump?The outdoor heat pump component usually weighs 120 pounds or so and should always be placed in a shady location that is outside of direct sunlight. Keep it directly on the side of or behind the home, and don’t place it too close to any shrubbery or vegetation (this can easily create airflow problems).