When summer temperatures arrive in Arizona, many homeowners immediately lower the thermostat to stay comfortable. While that does provide temporary relief, it often leads to higher utility bills and unnecessary strain on your air conditioning system.
The good news is that there are several ways to keep your home cooler without constantly adjusting the thermostat. By improving your home’s efficiency and reducing heat gain, you can stay comfortable while lowering cooling costs throughout the hottest months of the year.
At Norris Air, we have been helping Arizona homeowners stay comfortable since 1973. Here are some of our best Mesa air conditioning tips for how to keep house cool in Arizona.
Keep Blinds and Curtains Closed During Peak Heat
One of the easiest ways to reduce indoor temperatures is by blocking sunlight before it enters your home.
Arizona sunshine may be beautiful, but it generates a significant amount of heat when it passes through windows. South-facing and west-facing windows are often the biggest contributors to unwanted heat gain.
During the hottest part of the day, keep blinds, shades, or curtains closed to reduce solar heat entering your home. Blackout curtains and solar shades can be especially effective for rooms that receive direct afternoon sun.
This simple step can help your air conditioner work less while maintaining a more comfortable indoor temperature.
Use Ceiling Fans Correctly
Many homeowners underestimate how much ceiling fans can improve comfort.
While fans do not actually lower the temperature in a room, they create a wind-chill effect that helps your body feel cooler. This means you may feel perfectly comfortable at a slightly higher thermostat setting.
During summer, ceiling fans should rotate counterclockwise. This pushes air downward and creates the cooling breeze you feel underneath the fan.
Using ceiling fans throughout occupied rooms can help improve comfort while reducing the workload on your AC system.
Read more about how ceiling fans help in the Arizona heat.
Seal Air Leaks Around Doors and Windows
If cool air is escaping your home, your air conditioner has to work harder to maintain the desired temperature.
Check for gaps around:
- Exterior doors
- Windows
- Sliding glass doors
- Garage entry doors
- Utility penetrations
Adding weatherstripping or caulking can help prevent cooled air from escaping while keeping hot outdoor air from entering.
Even small leaks can have a noticeable impact on energy efficiency during an Arizona summer.
Avoid Generating Extra Heat Indoors
Many everyday household activities create additional heat inside your home.
To reduce indoor temperatures, try to:
- Limit oven use during the afternoon
- Grill outdoors when possible
- Run dishwashers at night
- Do laundry during cooler morning or evening hours
- Turn off unnecessary lights and electronics
Appliances naturally produce heat, and reducing their use during peak temperatures can help your home stay cooler.
Change Your Air Filter Regularly
A dirty air filter restricts airflow and forces your air conditioner to work harder.
When airflow becomes restricted, your system may run longer cooling cycles and consume more energy while delivering less comfort.
Most homeowners should check their filter monthly during summer and replace it as needed.
This is one of the simplest AC efficiency tips that can improve airflow, system performance, and indoor comfort.
Keep Air Vents Open and Unblocked
Closing vents in unused rooms may seem like a good way to save energy, but it can actually create airflow problems throughout your Mesa HVAC system.
Make sure:
- Supply vents remain open
- Return vents are unobstructed
- Furniture is not blocking airflow
- Rugs are not covering floor vents
Proper airflow helps your system distribute cooled air evenly throughout the home.
Add Attic Insulation If Needed
Your attic can reach temperatures well above 130 degrees during an Arizona summer.
Without adequate insulation, that heat transfers into your living spaces and makes your air conditioner work harder.
If your home feels difficult to cool despite having a properly functioning HVAC system, insufficient attic insulation could be part of the problem.
Upgrading insulation can significantly improve comfort while helping reduce cooling costs over time.
Schedule Professional AC Maintenance
Many homeowners wonder how to reduce their AC bill without sacrificing comfort.
One of the best answers is preventative maintenance.
Over time, dust, dirt, and wear can reduce system efficiency. A professional tune-up helps ensure your air conditioner is operating at peak performance before extreme temperatures arrive.
Routine maintenance can help:
- Improve cooling efficiency
- Reduce energy consumption
- Extend equipment lifespan
- Prevent unexpected breakdowns
- Improve airflow and comfort
A well-maintained system simply performs better during Arizona’s toughest weather conditions.
Consider a Smart Thermostat
Smart thermostats can automatically adjust temperatures based on your schedule and daily habits.
Rather than running at full capacity all day, your system can make small adjustments when nobody is home and return to comfortable settings before you arrive.
This helps improve efficiency without sacrificing comfort.
Many Arizona homeowners see noticeable savings after upgrading to a smart thermostat or programmable thermostat.
When Your Home Still Feels Too Warm
If you’ve tried these strategies and your home still struggles to stay comfortable, the issue may be more than just summer heat.
Common problems include:
- Dirty evaporator or condenser coils
- Low refrigerant levels
- Poor airflow
- Duct leakage
- Aging HVAC equipment
- Incorrect system sizing
If your AC seems to run constantly or certain rooms never cool down, it may be time for a professional inspection.
If you’ve been wondering: why is my AC bill so high in Mesa, AZ, check out our weekly blog. We keep it updated with tips and tricks from our HVAC professionals.
How to Keep House Cool in Arizona
If you’re looking for ways to keep your house cool in Arizona without lowering the thermostat, a few simple changes can make a big difference. Improving airflow, reducing indoor heat, sealing air leaks, and keeping your HVAC system properly maintained can all help increase comfort while lowering energy costs.
At Norris Air, we have been helping Mesa homeowners stay cool since 1973. Whether you need seasonal maintenance, AC repairs, or a system evaluation, our experienced team is here to help.
Contact Norris Air today to schedule your air conditioning service and keep your home comfortable all summer long.