As we enter the peak of the summer heat, consider green strategies for home cooling:
- Purchase a properly-sized unit. Air conditioners that are too large or small for the area they're meant to cool will run inefficiently, waste energy, and wear out more quickly than a properly-sized one.
- Confirm that the level of refrigerant charge and the airflow across the indoor coil meets the manufacturer’s recommendation. It's estimated that more than 60 percent of central air conditioners are incorrectly charged during installation. Incorrect refrigerant levels can lower efficiency by 5 to 20 percent.
- Change filters to prevent dust and dirt from building up. Check filters monthly and switch them out if they're dirty. At minimum, change them every three months.
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