Upgrading from a 2-ton air conditioner to a 3-ton air conditioner may potentially help cool your house better, depending on various factors. The appropriate size of an air conditioner is determined by the cooling load requirements of the space it needs to cool. It's important to note that the cooling load depends on factors such as the size of the house, insulation, number of windows, ceiling height, and climate conditions.
If your current 2-ton air conditioner is struggling to adequately cool your house, upgrading to a 3-ton unit could provide additional cooling capacity. The increased tonnage can help cool the space more effectively, especially if you live in a particularly hot or humid climate or if your house has a higher cooling load due to factors like large windows or poor insulation.
However, it's crucial to ensure that the new 3-ton air conditioner is appropriately sized for your house. An air conditioner that is too large for the cooling load can lead to short cycling, where the unit frequently turns on and off, resulting in inefficient operation, increased energy consumption, and potential issues with humidity control.
To determine the ideal size of the air conditioner for your house, it's recommended to consult with a professional HVAC technician or contractor. They can assess your specific needs, consider factors like insulation and house layout, and perform a load calculation to determine the appropriate size of the air conditioner required to cool your house efficiently and effectively.