Before turning your AC lower, try these 7 cooling tricks, including using a fan

If your air conditioner is struggling this summer, lowering the thermostat a few more degrees probably is not the answer. According to ENERGY STAR, the joint EPA and Department of Energy program, running a ceiling fan creates a wind-chill effect that makes a room feel cooler, and adjusting your thermostat while the fan is on can add further energy and dollar savings a good reminder that airflow, not just colder air, is what actually keeps you comfortable.

Here are seven cooling tricks worth trying first.

Start with the filter: it's doing more than you think
Air conditioning filters are some of the most important components in an AC system because they trap dust, pet hair, and other pollutants from entering the system. A dirty filter can force your unit to use more power without cooling your home more effectively.


The fix is easy: turn off the unit, remove the filter, and check it. If it's reusable, rinse it under water or vacuum off the dust, let it dry fully, and pop it back in. If it's disposable and looking gray or clogged, swap it for a new one. According to the ENERGY STAR resource, you should check your filter monthly, especially during peak summer and winter months, and replace it at least every three months.

Give the condenser coils some attention
The coils help release heat that the air conditioner pulls from inside the home. Over time, this system gets dirty, especially if the exterior part of the system is located near grass, leaves, and a busy street. When this happens, it can no longer release heat effectively.

The best approach is to inspect the coils each season and either rinse them or call an HVAC professional for a thorough cleaning.

Don't let airflow get blocked
Air conditioners rely on drawing in and pushing out air smoothly. If furniture, curtains, or clutter block vents, or if bushes and debris block the outdoor unit, the system has to strain to move air at all. That strain shows up as higher bills, slower cooling, and more wear on the parts.

Walk through your home and make sure nothing's sitting in front of a vent, and keep at least a couple of feet of clearance around your outdoor unit.

Seal up the gaps in your home
Even a perfectly running AC can't win if cool air is leaking out through window gaps, door frames, or attic cracks while hot outside air seeps in. Poor insulation can significantly increase your AC’s workload because it has to keep cooling air that leaks out and is replaced by warm air.

Weatherstripping around doors and windows, and sealing any obvious gaps, is a cheap fix that pays off fast in comfort and lower bills.

Get your thermostat settings right
A smart or programmable thermostat only helps if it's actually set up correctly. Setting it a few degrees higher and using a fan is often more efficient and cheaper than blasting the AC at a lower setting.

Don't skip the yearly tune-up
A once-a-year check from a licensed HVAC technician catches small issues like a loose part, a refrigerant leak, or a dirty coil- before they turn into a full system breakdown. ENERGY STAR recommends scheduling this kind of professional check-up in spring, ahead of peak cooling season, since contractors get busier once the heat hits.

Use a fan to help your AC, not fight it
Here’s the key point: your air conditioner cools the air, while a fan helps circulate it. Running a ceiling or portable fan alongside your AC can help circulate cooled air more evenly through the room. According to the U.S. Department of Energy, a ceiling fan can let you raise your thermostat setting by about 4°F with no drop in comfort because fans cool people through a wind-chill effect rather than actually lowering room temperature.

Bottom line
None of these tricks require a technician on speed dial or a brand-new unit. A clean filter, clear airflow, a sealed-up home, and a fan working with your AC instead of against it can make a real difference before you ever touch that thermostat dial. Try a few of these first; your wallet and your AC will thank you this summer.