What’s Wrong with a Too-Powerful Air Conditioner?

When purchasing an AC, one of the most critical steps for heating, ventilation, and air conditioning (HVAC) experts is to measure the available space for the new unit. This pertains to the cooling capacity of the new system. An air conditioner must have the proper cooling capacity to suit the temperature regulation needs of the residence. It cannot be resized, whether smaller or larger.

Consequences of a Too Powerful AC

Greater Damage

Because an oversized air conditioner must run for only a little to meet the thermostat’s setpoint, it must start and stop functioning significantly more frequently. As a result, it will likely require more frequent maintenance and will need to be replaced sooner. The frequency of occurrence is directly proportional to the loss in equipment durability. As a result, you may need to Google for AC maintenance in Arlington TX.

More Short-Cycling

If an AC is too powerful, the thermostat will recognize too early that the task has been completed and shut off the compressor before the job has been completed. This practice is known as short-cycling.

6If you find that the cooling capacity of the air filter replacement in Arlington, TX exceeds the space, it is intended to cool. It will begin to short-cycle. After that, it will turn the light back on after a brief delay. Then it will turn it off again.

Short-cycling is a problem that occurs multiple times within an hour. These repeated starts and stops waste a substantial amount of energy and place a significant amount of wear and strain on the system, resulting in a shorter lifespan for the air conditioner.

Inadequately Sized Air Ducts

When we encounter a vast AC unit, we often discover that it has been installed in the location where a smaller AC unit was previously installed. The dimensions of the ducting were first determined based on the smaller unit. High static pressure is the technical term for this condition, which manifests as an inability to “breathe” for the new unit.

High static pressure is a component killer for air conditioning systems and can cause expensive components like the compressor and indoor fan motors to fail, in addition to comfort difficulties and excessive utility expenditures. High static pressure is a fatal concern for air conditioning systems.

Increased Humidity

If humidity is already a problem where you live, the last thing you want is for your air conditioner to exacerbate the problem by producing additional humidity. When the air conditioner in your home is sized correctly, it will operate long enough to remove the majority of surplus humidity.


Air conditioning serves two purposes. It eliminates moisture from the air and concurrently makes your home’s air seem cooler. It must pass over an evaporator coil, an icy surface, to extract moisture from the air. The air’s temperature may drop by as much as 20 degrees Fahrenheit when it passes over that coil.

When the coil’s temperature goes below the air’s dewpoint, condensation of water vapor will occur on the coil’s surface. Sometimes, it also necessitates searching for heat pump repair in Arlington, TX for a replacement.


If you seek professional and helpful heating and cooling advice, you should speak with Cool Tech Mechanical. We are a highly developed service provider, and we take immense delight in the caliber of our work.