Aasen Heating & Cooling - Oconomowoc's Certified HVAC Services

Common signs include unusual noises like banging or rattling, uneven heating throughout your home, a sudden increase in your energy bills, or the furnace frequently cycling on and off. For older systems, recurring repairs often mean a replacement is more cost-effective. Our team can assess your system and provide honest recommendations for repair or a new, efficient installation tailored to your home.

Ice buildup on outdoor units is a common issue in our climate, often caused by low refrigerant levels, dirty air filters, or blocked airflow. Running the unit in this state can cause serious damage. We'll first safely thaw the system, then diagnose the root cause—whether it's a leak needing repair or a maintenance issue like a clogged filter—to restore efficient cooling and prevent future problems.

Being founded in 1949 and run by the Aasen family for decades means we've built our reputation on lasting relationships and trust within the Oconomowoc community. This experience translates into skilled, knowledgeable technicians who understand local homes and weather challenges. You're not just getting a service call; you're getting care from a team invested in the area's comfort for the long term.