Quick answer: Get your air conditioner ready for summer by cleaning or replacing air filters, clearing debris from the outdoor unit, checking thermostat settings, and inspecting drain lines. Schedule a professional tune-up with Howell HVAC to catch refrigerant leaks, electrical issues, and worn parts before the heat hits.
Few things are worse than a broken air conditioner during the first heatwave of the year. The good news? Most summer breakdowns are preventable with a little planning. A neglected AC unit doesn’t just risk failing when you need it most—it also runs less efficiently, drives up your energy bills, and shortens the life of an expensive appliance.
This guide walks you through everything you need to know to get your air conditioner ready for summer. You’ll learn the best time to start, which checks you can handle yourself, when to bring in Howell HVAC, and how to keep your system running efficiently all season long. A few hours of prep now can save you from sweating through a costly emergency repair later.
When Should You Start Preparing Your AC for Summer?
The best time to prepare your air conditioner is in early spring, well before temperatures climb. Aim to complete your checks at least a few weeks before you expect to rely on cooling regularly.
Early preparation matters for a few reasons. First, HVAC technicians get booked up fast once the heat arrives, so scheduling a tune-up in spring means shorter wait times and more flexible appointments. Second, catching a problem early gives you time to order parts or budget for repairs without melting in the meantime. Finally, testing your system on a mild day lets you spot issues calmly, rather than discovering them during a 95-degree afternoon.
DIY AC Maintenance Checks You Can Do Yourself
Many basic maintenance tasks require no special tools or training. Always turn off the power to your unit at the breaker before working on it.
Clean or Replace the Air Filters
A dirty air filter is the most common cause of poor AC performance. Clogged filters restrict airflow, force the system to work harder, and reduce indoor air quality. Check your filter monthly during heavy use, and replace disposable filters every 1 to 3 months. Reusable filters can be vacuumed or rinsed and left to dry fully before reinstalling.
Clear Debris From the Outdoor Unit
Your outdoor condenser unit needs room to breathe. Over the winter, leaves, dirt, and stray branches can pile up around it. Clear away any debris and trim back plants so there’s at least two feet of open space on all sides. Gently rinse the unit’s fins with a garden hose to remove built-up grime.
Check Thermostat Settings and Batteries
Test your thermostat by switching it to cooling mode and lowering the temperature a few degrees. Listen for the system to kick on within a minute or two. If your thermostat runs on batteries, replace them now to avoid mid-summer surprises.
Inspect Drain Lines for Clogs
Your AC removes humidity from the air, and that moisture drains through a condensate line. A clogged line can cause water damage or shut your system down entirely. Look for a PVC pipe near the indoor unit and check that water flows freely. Flushing the line with a mix of warm water and vinegar can clear minor blockages.
Do a Visual Inspection for Damage
Take a few minutes to look over the whole system. Check for frayed wires, visible leaks, rust, or damaged insulation on refrigerant lines. Spotting these warning signs early can prevent a small problem from becoming a major repair.
When Should You Call a Professional for AC Service?
Call Howell HVAC if you notice strange noises, weak airflow, inconsistent cooling, warm air, or unusual odors coming from your system. These symptoms often point to problems that go beyond basic maintenance.
A licensed Greer HVAC technician brings training, specialized tools, and safety expertise that DIY checks can’t match. Professional servicing keeps your warranty valid, improves efficiency, and extends the life of your equipment. Many manufacturers actually require annual professional maintenance to honor their warranties.
A typical professional tune-up includes:
- Checking refrigerant levels and testing for leaks
- Inspecting and tightening electrical connections
- Cleaning the evaporator and condenser coils
- Lubricating moving parts
- Testing the thermostat and overall system performance
- Examining the blower motor and belts
Choose a professional service over DIY if your system is more than a few years old, hasn’t been serviced in over a year, or shows any of the warning signs above. The cost of a tune-up is usually far lower than an emergency repair or full replacement.
How Can You Maximize AC Efficiency During Summer?
Once your system is ready, a few simple habits will keep it running efficiently and your bills in check.
Set smart thermostat temperatures. The U.S. Department of Energy recommends setting your thermostat to 78°F when you’re home and higher when you’re away. Each degree lower can noticeably increase your cooling costs.
Install a smart thermostat. A programmable or smart thermostat adjusts the temperature automatically based on your schedule, so you’re not cooling an empty house. Many models also track energy use and suggest savings.
Seal leaks and improve insulation. Gaps around windows, doors, and ductwork let cool air escape. Sealing these leaks and adding insulation where needed helps your AC maintain temperature with less effort.
Use ceiling fans alongside your AC. Fans circulate cool air, letting you raise the thermostat a few degrees without losing comfort. Just remember to turn fans off when you leave the room, since they cool people, not spaces.
Common AC Problems to Watch Out For
Even a well-maintained system can run into trouble. Knowing the warning signs helps you act before a small issue turns into a breakdown.
- Refrigerant leaks: Low refrigerant reduces cooling power and can damage the compressor. Signs include warm air, ice on the lines, or a hissing sound.
- Compressor issues: The compressor is the heart of your system. If it fails, your AC won’t cool at all. Hard starts, tripped breakers, and loud noises can signal trouble.
- Electrical control failures: Frequent cycling can wear out the contacts and relays that control your compressor and fan motors, preventing the system from turning on.
- Sensor problems: A misplaced thermostat sensor can cause your AC to cycle erratically or behave unpredictably. A technician can reposition it quickly.
Stay Cool All Summer Long
A little preparation goes a long way toward a comfortable, worry-free summer. By cleaning your filters, clearing your outdoor unit, testing your thermostat, and scheduling a professional tune-up, you’ll set your air conditioner up to handle whatever the season throws at it.
Don’t wait for the first heatwave to find out something’s wrong. If your system is showing warning signs or it’s been more than a year since its last service, schedule service today. Your future self—cool, comfortable, and stress-free—will thank you.
Frequently Asked Questions
How often should I service my air conditioner?
You should have your air conditioner professionally serviced once a year, ideally in spring before summer. In addition, check and clean or replace your air filters every 1 to 3 months during heavy use.
Can I prepare my air conditioner for summer myself?
Yes. You can clean or replace filters, clear debris from the outdoor unit, test your thermostat, and flush the drain line on your own. However, tasks involving refrigerant, electrical components, or coil cleaning are best left to a licensed HVAC technician.
What temperature should I set my thermostat to in summer?
The U.S. Department of Energy recommends 78°F when you’re home and a higher setting when you’re away. Pairing this with ceiling fans helps you stay comfortable while keeping energy costs down.
What are the signs my AC needs professional repair?
Watch for weak airflow, warm air, strange noises, unusual odors, inconsistent cooling, or frequent cycling. Any of these symptoms suggest a problem that requires a professional diagnosis.
Contact Howell HVAC Today
Don’t wait until the summer heat becomes unbearable. Contact Howell HVAC today to get your air conditioner ready for summer. Our experienced technicians are here to ensure your cooling system is running efficiently and reliably, keeping your home comfortable all season long. Call us now or visit our website to book an appointment!
