When it’s time for a new AC installation in Joliet, IL, one of the most important factors to consider is choosing the correct size system for your home. Many homeowners assume bigger is better when it comes to air conditioning, but in truth, both undersized and oversized systems can cause serious problems. That’s why working with a qualified HVAC team is essential—not just for the installation itself, but for selecting the perfect size unit to keep your home comfortable and energy-efficient.