Air Conditioner for Old Homes

Tips for Air Conditioner Units in Old Homes

Old houses have such charm…the woodwork, the architecture, the history. They also AC Unit for Old Homesusually have a few headaches. If you live in an old house, you’ve probably suffered through a hot-spell with little relief from an air conditioning system, but there are ways to cool down. Here are some tips for making a decision on a new air conditioning system in an older home.


A central air conditioner can be easily installed by an HVAC professional into an older home, provided the home has ductwork. No ductwork? It can be added into an older home if you’re willing to spend the extra time and money to have it installed properly. Many times homeowners add the ductwork during a major remodel project, while some floors and walls are exposed.

The idea of installing an entirely new HVAC system in an older home puts some homeowners on edge because older homes are generally limited in space, and the prospect of installing bulky ductwork is overwhelming.  If you’re not up for that kind of home improvement project, there are retrofit system options for all types of older homes.


A mini-split, or ductless system, places individual units in each room, connected by a thin refrigerant and power line that leads to an outdoor air conditioning compressor and fan. The mini units can be pretty inconspicuous because they are:

  • Mounted on a ceiling
  • Flush-mounted in a drop ceiling, like recessed lighting
  • Hung on a wall

No venting is required for these units and because each unit has its own thermostat, a mini split air conditioning system is perfect for houses where some rooms aren’t used very much. A mini split system is also flexible. The installer can supply as many evaporator coil/fan boxes as a homeowner needs and can easily add more as time goes on.


A high-velocity system uses two-inch insulated air-supply tubing that snakes through existing walls and ceilings to provide cool air where needed. The system also has thermostat control and a quiet blower. The tubing doesn’t take up much space. It can easily make its way around corners and walls and it provides great whole-house cooling without the mess of metal ductwork installation.

Though the mini-split and high velocity systems themselves come at a slightly higher price, they are cheaper in the long run due to less carpentry and finishing costs.  Getting a system that is Energy Star rated will also promote increased energy efficiency and save you money on your energy bills.

When deciding on an air conditioning system for an old home, make sure you take a look at the overall health of your house in terms of insulation and air leaks. You don’t want any of that precious cool air you just paid for lost through leaky doors, windows or the attic! Consider your options carefully and you can enjoy the charm of your old house along with the comfort you deserve.

Carrier Products

For more energy saving and home comfort tips, visit! Stay Comfy, Minnesota is your Minnesota resource for air conditioning repair, furnace repair and HVAC tips and advice.

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