Why Your Energy Bills Spike in July (and How to Keep Cooling Costs Under Control)
Summer in Shelby is in full swing, and with temperatures climbing into the 90s and humidity making the air feel even hotter, your air conditioner is working harder than it has all year. It's no surprise that July is often when homeowners notice their highest electric bills. The good news? A few simple adjustments can help your HVAC system run more efficiently while keeping your home comfortable during the hottest weeks of the summer.
Why July Is So Hard on Your Air Conditioner
Unlike the mild temperatures of spring, July brings long stretches of hot, humid weather. Your air conditioner isn't just cooling your home—it's also removing moisture from the air. That extra workload means your system runs longer, uses more energy, and experiences more wear and tear. If your HVAC system isn't operating efficiently, you'll likely notice it on your monthly utility bill.
5 Ways to Lower Cooling Costs This Summer
1. Don't Constantly Adjust the Thermostat
Many homeowners turn the thermostat down several degrees hoping the house will cool faster. Unfortunately, air conditioners don't work that way. Setting the thermostat much lower only causes the system to run longer. A consistent temperature around 76–78 degrees while you're home is usually the best balance between comfort and efficiency.
2. Change Your Air Filter
One of the easiest ways to improve efficiency is replacing a dirty air filter. When airflow is restricted, your system has to work much harder to cool your home. During the summer, check your filter every month and replace it whenever it looks dirty.
3. Keep Heat Out of Your Home
Small changes can make a noticeable difference.
- Close blinds and curtains during the hottest part of the afternoon.
- Avoid using the oven during peak heat whenever possible.
- Use ceiling fans to help circulate cool air. Remember to turn fans off when you leave the room since they cool people—not the room itself.
4. Give Your Outdoor Unit Some Space
Your outdoor condenser needs plenty of airflow to operate efficiently. Grass clippings, weeds, shrubs, and other debris can restrict airflow and force the system to work harder. Keep at least two feet of clearance around the outdoor unit and gently remove leaves or debris that may have accumulated.
5. Schedule Service if Something Doesn't Feel Right
If your home isn't cooling evenly, your system seems to run all day, or your electric bill has increased significantly compared to previous summers, it may be time for a professional inspection. Small issues such as low refrigerant, dirty coils, or airflow restrictions can reduce efficiency long before they cause a complete breakdown.
Don't Ignore the Warning Signs
Your air conditioner may be trying to tell you it needs attention. Call a professional if you notice:
- Warm air coming from your vents
- Weak airflow
- Unusual noises
- Frequent cycling on and off
- Rising utility bills without a clear explanation
Addressing these problems early can often prevent more expensive repairs later in the season.
Stay Comfortable All Summer Long
North Carolina summers are demanding, but your HVAC system doesn't have to struggle through them. A little preventative care can improve comfort, lower energy costs, and help extend the life of your equipment. Since 1983, Bill Shuford Heating & Air has helped homeowners throughout Shelby and Cleveland County stay cool with dependable HVAC maintenance, repairs, and system replacements. Whether your air conditioner needs a quick repair or you're looking for ways to improve efficiency, our experienced technicians are here to help.
Contact Bill Shuford Heating & Air today to schedule your air conditioning service and enjoy reliable comfort for the rest of the summer.










