When temperatures climb into the 90s for several days in a row, your air conditioner works overtime and so does your energy bill. Whether you're a homeowner in the Tri-Cities or anywhere experiencing a summer heat wave, these simple strategies can help keep your home cooler, reduce strain on your HVAC system, and save money.

1. Keep Blinds and Curtains Closed

Up to 30% of unwanted heat comes through your windows. During the hottest part of the day, keep blinds, curtains, or shades closed especially on south and west facing windows. Blackout curtains can make an even bigger difference.

2. Set Your Thermostat and Leave It Alone

Avoid constantly adjusting the thermostat. Set it to a comfortable temperature (typically 72-76°F when you're home) and let your system maintain it. Frequent changes force your HVAC system to work harder. Some like it cooler...the main idea is to set it and not mess with it all day long.

3. Change Your Air Filter

A dirty air filter restricts airflow, making your air conditioner less efficient. If you haven't changed it in the last 1-3 months, now is a great time.

Pro Tip: During wildfire season or extended heat waves, filters may need replacing more frequently.

4. Use Ceiling Fans Correctly

Ceiling fans don't actually cool the air, they cool you by circulating it.

• Set fans to rotate counterclockwise during summer.
• Turn them off when leaving a room since they don't lower the room's temperature.

5. Avoid Creating Extra Heat Indoors

Try to limit activities that generate heat during the afternoon:

• Use the microwave, slow cooker, or grill instead of the oven.
• Run the dishwasher and washing machine after sunset.
• Dry clothes in the evening if possible.

6. Seal Air Leaks

Small gaps around doors and windows allow cool air to escape and hot air to enter.

Check for:

• Worn weather stripping
• Gaps around exterior doors
• Cracks near windows
• Open fireplace dampers

7. Give Your HVAC Unit Room to Breathe

If you have an outdoor condenser:

• Remove weeds and debris.
• Trim bushes back at least 2 feet.
• Gently rinse dust off the coils with a garden hose (with the power off).

Better airflow helps your system run more efficiently.

8. Open Windows at Night

If overnight temperatures drop into the 60s or low 70s, open windows after sunset to flush out built-up heat. Close them again early the next morning before temperatures rise.

9. Keep Interior Doors Open

Allow air to circulate throughout your home. Closing off rooms can sometimes create pressure imbalances that reduce HVAC efficiency.

10. Reduce Humidity

Humidity makes your home feel warmer than it actually is.

Simple ways to reduce indoor humidity:

• Use bathroom exhaust fans after showers.
• Run kitchen exhaust fans while cooking.
• Fix plumbing leaks promptly.

11. Stay on Top of HVAC Maintenance

If your air conditioner is struggling, making unusual noises, or running continuously without cooling the home, it may be time for a professional inspection. Catching a small issue early can prevent an expensive breakdown during the hottest week of the summer. If you would like a local Tri-Cities HVAC referral, I can share a few wonderfule companies with you.

Bonus: Protect Your Home from the Sun

If you're planning future home improvements, consider:

• Solar window screens
• Exterior shade trees
• Pergolas or patio covers
• Reflective roofing materials
• Additional attic insulation

These upgrades can make a noticeable difference during every summer.

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Common Mistakes to Avoid

• Turning the thermostat way down hoping the house cools faster (it won't).
• Blocking air vents with furniture.
• Forgetting to replace air filters.
• Ignoring strange HVAC noises.
• Leaving blinds open all afternoon.

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Final Thoughts

A week of  90s temperatures doesn't have to mean an uncomfortable home or a sky-high electric bill. A few simple habits can keep your home cooler, reduce wear on your HVAC system, and help you stay comfortable all summer long.

If you're thinking about buying or selling a home in the Tri-Cities, remember that energy efficiency is becoming more important to buyers every year. Features like newer HVAC systems, quality insulation, energy-efficient windows, and covered outdoor living spaces can make a home more comfortable—and more valuable.

Looking for more homeowner tips or curious what your home is worth in today's market? I'd be happy to help. Reach out anytime for local advice and a free home value assessment.