Recognizing the Need for a New Thermostat
The thermostat is the command center of any HVAC system. It regulates the home’s temperature by signaling the heating or cooling system when to operate. But like any other device, thermostats can wear out or become outdated, leading to HVAC system inefficiencies.
From traditional analog thermostats to programmable models and modern smart thermostats, these devices eventually stop functioning correctly. Identifying a failing thermostat isn’t always obvious, so this article highlights three telltale signs: it’s time to replace it.
1. Sudden Spikes in Energy Costs
A sudden and unexplained increase in energy bills may point to a malfunctioning thermostat. If the thermostat misreads the temperature, it may signal the HVAC system to run more frequently or for longer periods than necessary, wasting energy.
Of course, high utility bills can also result from other HVAC issues, such as clogged air filters, refrigerant leaks, faulty motors, or ductwork problems. Still, the thermostat is often the first place homeowners check. If they notice abnormal energy use, they should contact a trusted HVAC technician to pinpoint the issue and determine whether a thermostat replacement is necessary.
More importantly, this is not an issue that should be ignored. Forcefully forcing the HVAC system to work longer than normal also causes additional wear and tear. This can cut the system's lifespan and increase the possibility of repair issues down the line.
2. Discrepancies Between Room Temperature and Settings
When the thermostat displays one temperature, but the home feels notably warmer or cooler, it strongly indicates that something is off. The thermostat’s internal temperature sensor may be dirty, misaligned, or failing altogether.
An easy way to verify this is to use a separate room thermometer and compare its reading with the thermostat. If the two readings differ by more than a few degrees, the thermostat likely needs attention. While recalibrating the sensor may solve the issue, replacing the thermostat is often a more reliable solution, particularly for older models.
Of course, this is also a chance for some homeowners to spot additional problems, such as air leakage. Damaged seals around windows, insufficient insulation, and pest damage can all allow air to seep out of the home, leading to temperature control issues.
3. The HVAC System Turns On and Off Frequently
Short cycling, when the HVAC system repeatedly starts and stops within a short time, is another sign of a faulty thermostat. This issue causes undue wear and tear on components like compressors and fans, drives up energy costs, and may lead to premature system failures.
Thermostats can cause short cycling due to inaccurate temperature readings, electrical problems, or poor placement in the home. Replacing the thermostat not only resolves this issue but also allows homeowners to upgrade to a more efficient smart thermostat, which can save money and increase comfort.
About Hancock & Son Plumbing, Heating and Air Conditioning
Hancock & Son Plumbing, Heating and Air Conditioning is a trusted HVAC company in Salisbury, MD, that homeowners rely on. With a dedicated team of highly qualified and background-checked technicians, homeowners can feel comfortable getting the necessary heating and cooling solutions. Add in their Preventative Maintenance Assured Plan, and homeowners can add another layer of protection for all their home needs. Call for reliable thermostat services in Salisbury, MD.
