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How Do I Measure the Accuracy of My Thermostat?

A homeowner’s hand presses a button to adjust the temperature of the thermostat in a Plainfield, IN, home.


A good thermostat is a great tool for making sure the temperature in your home remains comfortable without wasting energy, so you should check your thermostat regularly to ensure it is functioning properly. Having an accurate thermostat is essential for maintaining optimal comfort and energy efficiency in your home. A thermostat that is not functioning correctly can lead to temperature discrepancies and wasted energy. To ensure your thermostat is providing accurate readings, it is crucial to measure its accuracy regularly. As experts in the industry, our team at Bassett Services will discuss different methods to measure the accuracy of your thermostat and provide practical tips for homeowners.

Placement of the Thermostat

The placement of your thermostat plays a crucial role in its accuracy. If you feel like the rooms in your home aren’t heating to the right temperature, it may be because your thermostat is getting poor readings due to its placement. You want to put your thermostat in a spot where the readings won’t frequently change because of drafts or other rapid temperature changes. So, where should you put your thermostat? We advise homeowners to make sure it is mounted away from direct sunlight, drafts, and heat sources such as lamps or electronics. These factors can influence the thermostat’s temperature readings, leading to inaccurate adjustments of your HVAC system. Additionally, avoid placing the thermostat near doors or windows, as frequent drafts can affect its performance. Living rooms and dining rooms are both common locations. You’ll want to put your thermostat about five feet above the floor so it gets an accurate temperature reading and is easy to program.

Use a Thermometer

Your thermostat should give a very accurate reading of the room’s temperature—especially if it’s a newer digital thermostat. However, thermostat problems can cause incorrect readings, so sometimes the best way to verify your thermostat accuracy is to compare it to an accurate thermometer. All you need to do is tape a thermometer to the wall right next to the thermostat. After waiting for a minimum of 15 minutes for both devices to stabilize and display a consistent reading, compare the two readings and note any variations. If the temperature readings differ significantly, it may indicate that your thermostat is not accurately reflecting the actual temperature in your home. Keep in mind that this test depends heavily on the accuracy of the thermometer you’re using, so you should buy a new thermometer to make sure you’re getting the right reading.


A thermometer hangs on the wall of a residential home in Plainfield, IN, to get an accurate reading of the indoor temperature.

Check for Airflow

To measure the accuracy of your thermostat, it’s important to check for proper airflow around the device. Make sure there are no obstructions, such as furniture, curtains, or decor blocking the airflow. Good airflow ensures that the thermostat can accurately detect and respond to temperature changes in the room.

Programmable Thermostat Calibration

If you have a programmable thermostat, it’s crucial to ensure that it is properly calibrated. Check the manufacturer’s instructions on how to calibrate your specific model. Calibration ensures that the temperature readings align with the actual temperature in your home, allowing for accurate heating and cooling adjustments. At Bassett Services, we recommend installing a smart thermostat for the best results.

Regular Maintenance and Cleaning

Regular maintenance and cleaning of your thermostat can contribute to its accuracy. Dust and debris can accumulate on the thermostat’s sensors, affecting its performance. Use a soft brush or cloth to clean the device gently. Consult the manufacturer’s guidelines for any specific cleaning instructions.

A professional male technician installs a new thermostat on the wall of a residential home in Plainfield, IN.

Professional Assistance

While the aforementioned methods can provide a general idea of your thermostat’s accuracy, it’s recommended to seek professional assistance for a comprehensive evaluation. HVAC experts have the knowledge and tools to perform detailed diagnostics to ensure your thermostat is functioning correctly. Consider Bassett Services as an exceptional company that can expertly address your needs. Contact our team now!

Call Bassett Services Today!

A thermostat that accurately reflects the temperature in your home is essential for maintaining comfort and energy efficiency. By measuring the accuracy of your thermostat using methods such as comparing readings with a thermometer, considering thermostat placement, checking for proper airflow, calibrating programmable thermostats, and regular maintenance, you can ensure optimal performance. However, for a thorough assessment and professional assistance, it is advisable to contact HVAC specialists like Bassett Services in Plainfield, IL.

Bassett Services has a team of experienced professionals who can evaluate your thermostat’s accuracy and offer expert recommendations. Whether you require a simple adjustment, thermostat replacement, or any other HVAC service, they provide reliable and efficient solutions tailored to your needs. Call Bassett Services today at (317)-644-0970 to ensure your thermostat is accurately controlling the temperature in your home and maximizing energy efficiency. Remember, an accurate thermostat leads to better comfort, lower energy bills, and a more sustainable living environment. Don’t hesitate to seek professional assistance for peace of mind and improved home comfort.

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