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Summer Cool-Down Secrets: Debunking Thermostat Myths for Homeowners

Wednesday, July 10, 2024

Primary Blog/HVAC/Summer Cool-Down Secrets: Debunking Thermostat Myths for Homeowners

Summer is here, and with it comes the challenge of keeping your home cool without breaking the bank. Many homeowners rely on their thermostats to regulate indoor temperatures, but there are numerous misconceptions about how to use them effectively. Here, we will debunk common thermostat myths, providing you with accurate information and practical tips to help you maintain a comfortable home. By the end, you'll be equipped with the knowledge to optimize your thermostat settings for both comfort and energy savings.

Myth 1: Setting Your Thermostat Lower Cools Your Home Faster

It’s a common belief that lowering your thermostat setting will cool your home more quickly. However, this is not true. Thermostats are designed to regulate temperature, not the speed of cooling. Setting it lower only causes your air conditioner to run longer, not faster, resulting in higher energy bills. Instead, set your thermostat to your desired temperature and wait for it to reach that setting gradually.

How Thermostats Actually Work

Thermostats measure the ambient temperature and signal your HVAC system to turn on or off to maintain the desired temperature. They do not control the speed at which your home cools down. Understanding this can help you set realistic expectations and avoid unnecessary energy consumption.

Efficient Cooling Tips

To cool your home efficiently, keep your thermostat at a consistent setting. Use fans to circulate air, close blinds during the hottest parts of the day, and ensure your home is well-insulated. These practices can help maintain a comfortable temperature without overworking your air conditioning system.

Myth 2: Turning Off the AC When You Leave Saves Energy

Many people believe that turning off the air conditioner when they leave the house will save energy. While it might save some energy, it’s not the most efficient way to manage your home’s temperature. When you return, your system has to work harder to cool down the house, potentially using more energy than if you had just raised the thermostat setting.

The Smart Thermostat Solution

Smart thermostats offer a solution by allowing you to control your home’s temperature remotely. You can adjust settings based on your schedule, ensuring your home is cool when you arrive without wasting energy while you’re away.

Maximizing Efficiency with Zoning

If your home has multiple zones, using a zoning system can optimize cooling. This allows you to cool only the areas you use most, reducing energy consumption and costs.

Myth 3: Fans Lower Room Temperature

Fans are often used to cool rooms, but many people mistakenly believe they lower the room temperature. In reality, fans don’t change the temperature; they create a wind-chill effect that makes you feel cooler by evaporating sweat from your skin.

Using Fans Effectively

To maximize the cooling effect of fans, use them in conjunction with your air conditioner. Ceiling fans should rotate counterclockwise in the summer to push cool air down. Turn off fans when you leave the room to save energy, as they only provide a cooling effect when you’re present.

Placement Matters

Place fans strategically to enhance airflow. Box fans can be placed in windows to draw in cooler air from outside during the evening. Oscillating fans can help circulate air throughout the room, making the space feel more comfortable.

Myth 4: Bigger AC Units Are Better

Some homeowners think that a bigger air conditioning unit will cool their home more effectively. However, an oversized unit can lead to issues such as short cycling, reduced efficiency, and higher energy bills. It’s important to choose the right size unit for your home’s square footage and cooling needs to achieve proper humidity levels and comfort.

Proper Sizing for Efficiency

Consult with a professional HVAC technician to determine the correct size for your air conditioning unit. They will consider factors like the size of your home, insulation, and climate to ensure performance and efficiency.

Regular Maintenance

Regular maintenance of your AC unit, including cleaning filters and checking for leaks, can improve its efficiency and extend its lifespan. Properly maintained units perform better, providing consistent cooling without wasting energy.

Myth 5: Closing Vents in Unused Rooms Saves Energy

Closing vents in unused rooms might seem like a good way to save energy, but it can actually disrupt airflow and put additional strain on your HVAC system. This can lead to increased energy usage and potential damage to your system over time.

Balanced Airflow

Instead of closing vents, consider using dampers to balance the airflow throughout your home. This ensures that your HVAC system operates efficiently and maintains consistent temperatures in all rooms.


Understanding how your thermostat works and debunking common myths can help you maintain a comfortable home while saving energy and money. By setting realistic expectations, using programmable or smart thermostats, and implementing efficient cooling practices, you can optimize your home’s climate control system.

​Don’t fall for these thermostat myths. Instead, educate yourself and make informed decisions to enhance your comfort and reduce your energy bills. If you’re looking for personalized advice on managing your home’s temperature, consider booking a visit with our all-pro team. They’re ready to help you create the perfect indoor environment, no matter the season.

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Hi, I'm Derek Cole

GM, Simmons One Hour Heating and Air

With a career spanning over two decades in the HVAC industry, Derek Cole has climbed his way to becoming General Manager of Simmons One Hour. His impressive journey was recognized by News magazine who awarded him Top 40 under 40 honors, as well as Entrepreneur Magazine's Franchise Player Spotlight feature. Notable networks such as CBS, FOX and NBC have also featured him discussing home comfort tips on their programs while publications like Huffington Post and Bloomberg Business highlight his success story with One Hour Heating & Air Conditioning® .

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