If your air conditioner isn’t operating correctly, the thermostat is the first place to look for problems. The thermostat is the central processing unit of your home’s cooling system. If the thermostat is worn out or not properly set, it might cause problems with the air conditioner that appear to be more serious than they are.
A malfunctioning thermostat or inappropriate A/C system thermostat repair can cause three typical A/C problems. Fortunately, many thermostat problems are simple to identify and repair, so you may be able to return your home’s cooling system to normal functional operation without the need for an expensive service visit. Of course, if you’re not comfortable attempting to solve an issue yourself, you should contact a professional HVAC repair provider.
The air conditioner will not turn on.
If your air conditioner isn’t turning on, consider changing the batteries in the thermostat. Check that the thermostat is set to “cool” mode and that the temperature is low enough to activate the A/C. Look for a blown fuse or a tripped circuit breaker. If you’re confident that the system is receiving electricity, a broken thermostat might be preventing it from coming on.
Older manual thermostats might become clogged or worn out over time. Before you work on the thermostat, turn off the power to your air conditioner. Remove the lid and examine all visible thermostat parts. Clean the dust and grease that has collected on moving components and electrical connections. Look for any cables that are loose or disconnected. If the thermostat includes a mercury switch, ensure that it is level, since a mercury switch may not function correctly if it is not level.
Due to manufacture flaws or age, newer programmable thermostats may have electronic difficulties. If you clean and check the thermostat and are satisfied that all of the wires are connected and the batteries are in excellent working order, you may need to replace it.
The A/C is not keeping the temperature set.
If your air conditioner does not cool uniformly throughout the day, or if rooms near the thermostat do not become as cool as the thermostat setting, you may need to reconsider the thermostat’s placement and consider changing it.
The thermostat should never be installed on the inside of an outside wall because the temperature along the inside of the wall will be impacted by outdoor factors such as intense sunshine, which may prevent it from reliably measuring the temperature within the room.
Thermostats should be installed in the centre of internal walls, where they will be exposed to air passing through the rooms. They should not be installed behind open doors or behind draperies since the air in those areas tends to be stagnant and does not change temperatures fast while the air conditioner works.
A/C cycles on and off too frequently.
Air conditioner short cycling can result in early device failure and poor humidity management. If the air conditioner cycles on and off much more frequently than it should, this might signal an issue with the thermostat rather than more significant technical concerns.
If the anticipator is not configured to provide a significant temperature differential between the shut-off temperature and the temperature that switches the system back on, the thermostat might induce brief cycling. Ideally, your system should shut down at or near the thermostat temperature and then restart when your house warms up by a few degrees. Make tiny tweaks to the anticipator and wait a few hours before making further adjustments.
Thermostat issues can also cause short cycling and inability to maintain specified temperatures. Cleaning and levelling the old manual thermostat may help it operate better. Replacing the old thermostat with a contemporary programmed unit may resolve the A/C operation issues.
Allow Air Conditioning Contractors to Install Your New Thermostat
A/C Contractors can assist you in selecting and installing the appropriate thermostat for your house and HVAC system. With years of industry knowledge and cutting-edge technology, you can rely on A/C Contractors to get the job done correctly. Make an appointment with us now to learn more about our HVAC diagnostic, installation, and A/C system thermostat repair services.
How to Replace an AC Thermostat’s Battery
The thermostat battery in electronic and digital thermostats might influence AC performance if it is dead or damaged. To change the batteries, do the following:
Locate the battery compartment, which is normally situated on the thermostat controller’s rear or bottom.
Remove and lay aside the battery compartment shield. This may necessitate the use of a screwdriver.
Remove the old batteries and dispose of them at a battery-accepting recycling facility.
Examine the battery terminals for leaks, corrosion, rust, or other deterioration that might affect performance. If required, clean the terminals.
Replace the old batteries with a new set from a reputable manufacturer.