(1) Energy-efficient features to consider include weather-stripping doors windows & other openings & roof-radiant barriers installing low-flush toilets, ceiling fans, programmable thermostats, and the planting of low-water-use turf grass and plants (2) Save on electric bill by putting window film on your windows which block out 80% of the sun heat through your windows (3) AC Maintenance - Inspect, clean, or change air filters once a month in your central air conditioner, furnace, and/or heat pump (4) Check all gas (or oil) connections A dirty burner or cracked heat exchanger causes improper burner operation. (5) Clean and adjust blower components Airflow problems can reduce your system's efficiency by up to 15 percent. (6) Check your AC refrigerant level and adjust if necessary. Too much or too little refrigerant will make your system less efficient (7) Clean evaporator & condenser AC coils. Dirty coils reduce the system's ability to cool your home and cause the system to run longer (8) Check your AC Faulty electrical connections can cause unsafe operation of your system and reduce the life of major components (9) Check AC condensate drain A plugged drain can cause water damage in the house and affect indoor humidity levels (10) Check AC & Lubricate all moving parts. Parts that lack lubrication cause friction in motors and increases the amount of electricity you use