Moving from a 2-ton air conditioner to a 3-ton air conditioner may help cool your house better, but it depends on various factors. The cooling capacity of an air conditioner is measured in tons or BTUs (British Thermal Units) per hour.
Here are some considerations:
Size of the House: If your house is relatively small and the 2-ton air conditioner was appropriately sized for the space, upgrading to a 3-ton unit might lead to overcooling, which can be uncomfortable and inefficient.
Insulation and Energy Efficiency: The effectiveness of any air conditioner depends on the insulation and energy efficiency of your house. If your house has poor insulation, drafts, or air leaks, increasing the cooling capacity may not have a significant impact on cooling performance.
Climate: The climate in your region also plays a role. If you live in a hot and humid climate, a larger air conditioner might be beneficial, whereas in a milder climate, a smaller unit might suffice.
Ductwork: The ductwork in your house needs to be properly sized to accommodate the higher airflow of a 3-ton air conditioner. If the ducts are too small, it can lead to reduced efficiency and uneven cooling.
Energy Consumption: A larger air conditioner typically consumes more electricity. While it may cool the house faster, it can also lead to higher energy bills.
Before making any decisions, it's best to consult with a professional HVAC technician who can perform a load calculation to determine the appropriate size of the air conditioner for your home. The technician will consider factors like the size of your house, the number of windows, insulation, local climate, and other relevant variables to recommend the ideal capacity for efficient and effective cooling.