Signs That Thermostat Replacement is Needed
A functioning thermostat is crucial for maintaining comfort and energy efficiency in the home. However, like any device, thermostats don’t last forever. Over time, they may show signs of wear that could compromise heating and cooling systems, resulting in higher utility bills or an uncomfortable indoor climate.
Knowing the warning signs that a thermostat may need replacing can help prevent these issues and ensure the HVAC system works efficiently. Here are some common indicators that it might be time for a thermostat upgrade.
Higher Energy Bills
HVAC systems are large and integrated, so it can be difficult to pinpoint one single problem. However, the thermostat brings all of the systems together and controls them with simple button presses. Often, the thermostat is the first thing that technicians check when they are called to investigate problems.
One major indicator of thermostat failure is higher energy bills. Higher energy bills indicate the system is working too hard and running too long. Track utility bills using a spreadsheet or tracking app so it is easier to notice trends in monthly bill costs.
Incorrect Temperature Readings
A thermostat may seem complicated, but it’s only an on/off switch for the AC and heater. When the indoor temperature rises or drops below the setting, the system cycles until the thermostat senses the temperature has risen or dropped correspondingly to the range set.
A thermostat reading the temperature incorrectly can cause a problem in the heating or cooling process. If the thermostat’s thermometer is off by even a few degrees, the home will be uncomfortable, and the system could become damaged.
Digital thermostats, which are common in most homes, are prone to this problem. When the internal components lose calibration, they can cause the thermostat to read erratically.
To keep track of a thermostat's calibration, simply use another thermometer held near the thermostat. The readings should be the same; if they are not, the thermostat will have to be replaced since recalibrating or repairs are cost-prohibitive.
Long or Short Cycling
When an HVAC system is designed for installation, one of the contractors' goals is to size the system appropriately. A system that is too small will run for too long, and one that is too small will run many short cycles throughout the day.
The goal is to engineer a system that runs for 15-20 minutes at a time. This maximizes the system's efficiency while reducing unnecessary wear and tear caused by repeated startup.
While this sign may be hard to notice, owners should pay attention to it. If they start to notice that their heating or cooling system deviates from its normal schedule, it could be a sign of a faulty thermostat since thermostats dictate when the system cycles.
Calling a professional to look into the problem can help reduce damage to the system, lower bills, and improve comfort. Often, this is as simple as thermostat replacement.
About Morrow Mechanical
Morrow Mechanical offers upfront pricing on services like thermostat installation. Its professionals have more than 20 years of experience repairing and installing HVAC systems. Call today for experienced thermostat service in Spring, TX.
