Preparing Your AC for Summer: Essential Maintenance Tips and Tricks

Summer is the peak time for your AC, and preparing it will help it run effectively and keep your home cool during the three hottest months of the year. In the summer months, your air conditioner is running a lot due to higher temperatures outside, so it is very important that you care for yourself immediately to keep it from breaking down, and appliances have high energy bills. Additionally, air conditioning maintenance will save your unit last longer and will also run more efficiently. Therefore, whether you like the idea of a DIY person or someone who prefers to hire help, below is the ultimate guide for quick tips this summer to keep your AC running.

Check and Set the Thermostat

The thermostat is the brain of your AC. If your thermostat is not working, the entire system will go down. Begin by switching the air conditioner to cooling mode and keep the lower side of your present room temperature. Let your AC start up and see if cold air is coming from the vents. Swap an outdated manual thermostat for a Programable or smart device.

Today’s advanced thermostats, which offer this precision, can be programmed to turn the system down while you’re away, reducing wasted energy and keeping your home more comfortable. If your thermostat has batteries, then they need replacing.

Similarly, you should also dust off your thermostat to allow it to read the required temperature much more accurately. Simple routine checks and maintenance of your thermostat will prevent you from unnecessarily burdening the AC unit and let you easily cope with hot summer days.

Clean or Replace Air Filters

Air filters are an important part of maintaining your AC’s efficiency. If your AC has dirty or clogged filters, it can prevent cool air from reaching your home, forcing the entire system to work harder and longer than it normally would. This could cause energy bills to spike and potentially damage the unit. Double-check those air filters once a month anyway.

If the filters appear dirty or clogged, they need a cleaning or replacement. Rinse the reusable ones with water and a little mild detergent, while the disposable type should be changed when specified by your manufacturer.

Having your air filters clean allows the air to flow correctly, increases indoor air quality, and, in turn, increases performance. It is a simple and routine step that can help prolong the life of your air conditioning and prevent you from costly repairs down the line.

Inspect and Clean the Outdoor Unit

The part of the AC outside your house will accumulate dust and dirt with the natural elements. Around this low-lying part, leaves, dirt, and other debris can gather, hindering its efficiency. To start, you should turn off the power to your AC unit, which is common throughout this process for safety.

Next, take the unit outside with a garden hose and gently scrub away dirt and debris. Avoid vigorous water, as it can harm the fins. Another option is to use a soft brush to clean the fins of any stubborn dirt.

Be sure to remove any plants or debris within a minimum of two feet around the unit. This will support air cooling while avoiding overheating. By cleaning the outdoor unit, you can ensure that your AC will work optimally and remain functional to have a cool home to return to through the summer months.

Ensure Proper Airflow Inside the Home

Clean out the vents of any dirt and debris in the way using either a small vacuum or a damp cloth. Shut all doors and windows after turning ON the AC to prevent cool air from escaping outside and warm air from inside.

Ceiling fans are another great way to help spread cooler temperatures throughout your house. If a single room is noticeably warmer than others, it probably has an airflow problem you must address. Good airflow ensures the best out of your AC, reduces energy consumption, and improves comfort.

Check Refrigerant Levels and Leaks

One key element in your air conditioner that cools your home is refrigerant. When your AC suffers a severe loss of refrigerant, it can no longer cool effectively and may damage the whole unit. Start by inspecting the visible pins for leakage in refrigerant lines.

Messing around with Refrigerant requires special training and tools, so a DIY approach is not very clever. A pro can top off a low refrigerant level to ensure your system works properly. With proper monitoring and immediate response to any leaks in the coolant, the AC would function appropriately for a long time, whereas any failure henceforth would be fixed by Early repair at a nominal cost.

Inspect Electrical Connections and Components

Electric connections and elements are very important for operating your AC. Over time, loose connections or corrosion can develop, causing your system not to operate or even be a safety issue. Start by shutting the breaker or power off your AC unit. Inspect all electrical connections for evidence of deterioration or damage, and look specifically at the electrical connections in the indoor unit, outdoor unit, and thermostat.

Take a look at those connections and replace any failed wires or parts. Check the capacitor, contactor, and all other electrical components for damage. If you’re unsure about the electrical parts, leave the work to a professional. By ensuring all electrical connections and components are functioning correctly, you can avoid unwanted breakdowns that will interfere with your climate control throughout the summer heat.

Test the System’s Overall Performance

After you finish working through each maintenance step, testing your AC system is one of the most important parts. After that, adjust its temperature to a little lower than the normal room temperature and turn its thermostat into cooling mode. Watch the system turn on and begin to cool your home. Listen for any inconsistencies or strange vibrations that may signal a problem.

Check the air temperature from your vents to see if cool air is coming into your home evenly. If you see any irregularities during this test, it is time to investigate further or take the vehicle in for service. After that, testing the system’s overall performance will prove that your AC is all set to take on summer and keep your house a comfortable place to stay.


How Often Should I Schedule Professional AC Maintenance?

Professional AC maintenance should be performed once a year and before the cooling season starts. This ensures that your system is still working as it should and requires the least energy possible to run well while keeping your house comfortable. Proper maintenance will also prevent sudden breakdowns and increase your unit’s longevity.

How Will I Know If I Need AC Repairs?

Conversely, a spike in energy bills or frequent cycling can suggest an issue brewing with your system. The ice around the unit and foul odors are also tell-tale signs. These problems must be tackled as quickly as possible to prevent the aggravating situation from worsening.

Are there any AC maintenance jobs I can do myself?

In theory, we can do the basics, change or clean the air filter, maintain free airflow around the outdoor unit, and keep hoses clear of debris. It is also good to periodically check the system for visible wear or damage. For safety and better use, a professional technician should perform any tasks related to electrical elements, refrigerant levels, or large repairs.


These tips will help you manage your AC systems nicely, and you hopefully will have learned a thing or two from this guide. Perform regular service and inspections as recommended, including system checks for refrigerant lines, electrical connections, condensate drain lines, lids and seals on plenums, changing belts/filters where required or recommended, etc. Annual professional maintenance, changing your air filter, and keeping the unit free of debris will help you avoid any surprise breakdowns and prolong the life of your system. Early signs of repair include unusual noises, reduced airflow, and ice accumulation. Higher efficiency can be attained by melee equipment maintenance, better insulation, duct sealing, and programmable thermostats, thus leading to lower energy bills.

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