Why your new AC is struggling to keep your house cool

Article excerpt

Your new air conditioner might be failing to cool because of common installation mistakes, poor ductwork design, or mismatched unit sizing for your home's square footage. The article walks through troubleshooting steps: checking thermostat settings, inspecting air filters for clogs, verifying that vents aren't blocked, and ensuring the outdoor unit has adequate clearance. If those basics check out, a technician may need to assess refrigerant levels or diagnose electrical problems. Improper maintenance or undersized systems account for most cooling complaints in new installations.