Summer is on its way, and now is the time for many Pennsylvania homeowners to upgrade their air conditioners. But getting the most out of a new high-efficiency system isn’t just a matter of picking the most efficient air conditioner on the market. You also need an expert A/C installation to make sure the new cooling system serves you well.

There are four factors a professional should pay close attention to during an A/C installation.

A/C Installation Sizing

Sizing refers to how much cooling your A/C puts out, and while it might seem like more is better, that’s not always the case. An oversized air conditioner will cool your home too rapidly and shut off, leading to noticeable temperature swings. And it won’t cool as efficiently, because it won’t run long enough to take care of humidity issues. On the other hand, an undersized A/C might not ever cool your home completely.

Refrigerant Charge

The air conditioner takes heat from inside your home and moves it outside, leaving your home cooler. Refrigerant carries that heat from place to place. If it’s not charged correctly or the lines are improperly installed, the A/C can’t function efficiently.


The size of your home and the layout of the ducts will determine how much airflow your A/C’s blower fan needs to provide. Your installation professional will ensure the airflow rate is just right for your new system’s specifications and your home’s layout.


If your ducts leak, you’ll lose energy and cooling efficiency. Ducts should be sealed and tested before a new system is installed, and insulating ducts is also a good idea. With insulation, air won’t have a chance to warm up between the air conditioner and your living areas.

Learn more about Sullivan Oil & Propane’s professional A/C installation services on this website, or contact us at (610) 810-3992 to schedule an appointment!

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