Why Size Matters: Don’t Fall for Improper AC Sizing

Repairman in uniform installing the outside unit of air conditioner close up

Why Size Matters: Don’t Fall for Improper AC Sizing

When installing an air conditioning system, one crucial factor that often gets overlooked is the size of the unit. Proper AC sizing is vital for achieving optimal performance, energy efficiency, and overall comfort in your home or office. Unfortunately, many homeowners and even some professionals neglect this aspect, leading to many problems down the line. Learn the warning signs of improper AC sizing and why size matters during installation.

Understanding AC Sizing

AC sizing refers to determining the appropriate cooling capacity required for a given space. It involves assessing factors such as the size of the area, insulation levels, climate conditions, and more. The cooling capacity is typically measured in British Thermal Units per hour or tons.

Inadequate Cooling

One of the most evident signs of improper AC sizing is inadequate cooling. If your AC unit is too small for the space it’s intended to cool, it will struggle to meet the demand. You may notice that certain rooms or areas remain uncomfortably warm while the AC runs continuously. When an AC unit is undersized, it’s unable to cool a space effectively, resulting in discomfort for occupants.

Frequent Cycling

On the other hand, an oversized AC unit can lead to frequent cycling. When the unit is too large for the space, it cools the area rapidly, causing it to reach the desired temperature quickly. As a result, the unit turns off prematurely, and then cycles back on when the temperature rises again. This frequent cycling increases energy consumption and places unnecessary stress on the equipment, potentially leading to premature wear and tear.

Excessive Humidity

Proper AC sizing is crucial for maintaining an optimal indoor humidity level. An undersized unit may struggle to remove excess moisture from the air, leading to high humidity levels and a damp environment. On the other hand, an oversized unit cools the area rapidly without sufficient time for proper dehumidification. As a result, you may experience clammy or sticky conditions indoors.

Noisy Operation

Inefficient AC sizing can also contribute to excessive noise levels. An undersized unit will operate at maximum capacity, producing a constant loud hum as it struggles to cool the space adequately. An oversized unit may cause a different noise issue, as frequent on-off cycling can generate disruptive sounds. Proper AC sizing ensures that the unit operates optimally, reducing noise disturbances.

The Importance of Professional AC Sizing

To avoid these warning signs and ensure a well-functioning AC system, it’s crucial to consult a professional HVAC technician for proper AC sizing during installation. A technician will conduct a detailed assessment of your space, considering various factors such as insulation, climate, and cooling requirements. By accurately sizing the AC unit, they’ll help you to achieve optimal performance, energy efficiency, and indoor comfort.

In conclusion, proper AC sizing is essential for successful installation and long-term air conditioning system performance. Be aware of the warning signs of improper sizing, such as inadequate cooling, frequent cycling, high energy bills, excessive humidity, and noisy operation. Contact Upland Services in Joplin, MO for seamless AC installation services.