When summer temperatures soar, your air conditioner becomes one of the most important systems in your home. But peak demand also means this is the time when AC units are most likely to break down. If your air conditioning in Janesville, WI is going to fail, it’s probably going to happen during the hottest week of the year—right when you need it most. The good news? There are clear steps you can take now to help prevent a system failure later.

Common Reasons AC Units Fail in Summer
- Lack of Routine Maintenance: The number one reason for mid-summer AC failures is neglecting professional maintenance. Without regular tune-ups, your system can accumulate dust, lose efficiency, and experience increased wear and tear. This leads to overworked components and higher chances of a breakdown. Our team offers comprehensive maintenance services that catch small issues before they become expensive repairs.
- Dirty or Clogged Filters: When filters aren’t changed regularly—ideally every month during heavy-use seasons—they can restrict airflow, strain your system, and compromise your indoor air quality. A clogged filter forces your air conditioner to work harder to push cool air through your home, which not only increases energy consumption but also increases the risk of overheating.
- Dirty Outdoor Units: The outdoor condenser unit plays a critical role in heat exchange. When it’s clogged with leaves, dirt, or debris, it can’t properly release heat from your home. This causes the system to run longer and less efficiently, which leads to overheating and potential system failure. Take time to clear any vegetation or buildup from around the unit and rinse the fins gently with a hose if necessary.
- Overuse Without Breaks: During extreme heat, it’s tempting to run your AC nonstop. However, without giving it a chance to cycle off, the system may overheat and shut down. Reduce strain by using ceiling fans to circulate air and setting your thermostat a few degrees higher when you’re away or asleep.
- Thermostat Issues: Outdated or improperly programmed thermostats can cause your system to work harder than needed. Upgrading to a smart thermostat allows you to optimize cooling cycles, avoid unnecessary operation, and reduce wear on your system.
How to Prevent an AC Breakdown This Summer
- Schedule Routine Maintenance Now: Before the peak heat arrives, schedule your professional AC maintenance with us. We’ll check refrigerant levels, clean coils, tighten connections, test performance, and ensure your system is ready for summer stress.
- Change Filters Monthly: Mark your calendar or set a reminder—changing your filter every month is a small task with big benefits. It keeps airflow steady, protects system components, and helps maintain a consistent indoor temperature.
- Keep the Outdoor Unit Clear: Inspect the area around your condenser and remove grass clippings, leaves, and other debris. Ensure at least two feet of clearance around the unit so it can “breathe” properly and operate at peak efficiency.
- Use Smart Cooling Strategies: Program your thermostat to maintain energy-efficient settings while you’re away, and rely on ceiling fans to help move cooled air through your home. These small steps reduce the burden on your AC and can extend its lifespan.
Don’t let your air conditioner fail you when you need it most. Take proactive steps now and enjoy worry-free comfort all summer long. Call us today to schedule your routine AC maintenance—before the heatwave hits!
You can always count on 24-Hour Home Comfort Services, your heating and cooling specialists.