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5 Essential Tips to Boost Your AC Efficiency This Summer

  • Writer: Matthew Lucas
    Matthew Lucas
  • Apr 23
  • 2 min read

Updated: Apr 24

Summer heat can push your air conditioner to its limits, leading to higher energy bills and less comfort. Improving your AC’s efficiency not only saves money but also extends the life of your unit. Here are five practical tips to help your air conditioner work smarter and keep your home cool all season long.


Eye-level view of a modern air conditioning unit installed outside a house
Condensing units can get birds nesting which could damage your system

Keep Your Air Filters Clean and Replace Them Regularly


Dirty air filters block airflow, forcing your AC to work harder. This reduces efficiency and can cause wear on the system. Check your filters every month during heavy use and replace them at least every three months. If you have pets or live in a dusty area, consider changing filters more often.


A clean filter improves air quality and helps maintain consistent cooling. For example, a study by the UK Government found that replacing a dirty filter can reduce energy consumption by up to 15%.


Seal and Insulate Your Home Properly


Cool air escapes through gaps around windows, doors, and ducts, making your AC run longer. Use weather stripping or silicon to seal leaks. Adding insulation in your attic and walls keeps your home cooler naturally.


Sealing leaks can reduce cooling costs by 10 to 20%. For instance, sealing ductwork in unconditioned spaces prevents up to 30% of cooled air from escaping, according to the Environmental Protection Agency.


Use a Programmable Thermostat to Manage Temperature


A programmable thermostat lets you set your AC to run less when you’re away or asleep. Lowering the temperature by just 3 to 4 degrees for eight hours a day can save up to 10% on cooling costs annually.


Set your thermostat to 25.5°C when you’re home and higher when you’re not. This simple adjustment reduces unnecessary energy use without sacrificing comfort.


Maintain Your Outdoor Unit and Keep It Shaded


The outdoor condenser unit needs good airflow to work efficiently. Clear away leaves, dirt, and debris regularly. Trim plants or bushes to keep at least two feet of clearance around the unit.


Placing the unit in a shaded spot lowers its temperature, helping it cool more effectively. A shaded unit can improve efficiency by up to 10%, according to energy experts.


Close-up view of an outdoor air conditioning unit surrounded by trimmed bushes
Outdoor AC units need clear space to allow airflow so keep bushes and plants safe distance away

Schedule Professional Maintenance Annually


Even with regular DIY care, a professional tune-up is essential. A technician will check refrigerant levels, clean coils, inspect electrical components, and ensure everything runs smoothly.


Annual maintenance can improve efficiency by 5 to 15% and prevent costly breakdowns. Many HVAC companies offer spring tune-ups, so schedule yours before the hottest months arrive.



 
 
 

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