【How-to】How to Replace a Thermostat

Can I replace my thermostat myself?

It is possible to save some money by installing or replacing your thermostat yourself, but you will need: Basic electrical knowledge. A general understanding of the type of equipment being used.

Is replacing a thermostat easy?

Upgrading to a thermostat that automatically changes the indoor temperature setting is fairly easy, and it can trim about $180 off your annual heating and cooling costs, according to the EPA. Simple models that only control heat are sold at home centers for around $25.

Can I replace my thermostat with any thermostat?

Replacing a Thermostat in Your Home. Purchase a replacement thermostat that will work with your system. Most replacement thermostats are compatible with all common systems. However, if your system is unique, finding a replacement thermostat may be difficult.

Do I need an electrician to replace a thermostat?

DIY. Ideally, you should hire an electrician or HVAC service technician to replace or install a new thermostat. However, you can do it yourself. First, turn off the HVAC system.

How do you know a thermostat is bad?

7 Signs You Need to Replace Your Thermostat

1. Your HVAC Keeps Turning On or Off.
2. Faulty Thermostat Readings.
3. Suspiciously High Energy Bills.
4. Constant Temperature Shifts.
5. Thermostat Is Too Old.
6. Thermostat Fails to Respond to Changed Settings.
7. Your HVAC System Short Cycles.

When should I replace my thermostat?

In most cases, the thermostat will produce a small clicking sound when the changes are made, then the heating or cooling equipment will start. If this clicking sound doesn’t occur, or if the system doesn’t come on shortly after the changes are made, the thermostat may need replacing.

How difficult is it to change a thermostat?

But after a bit of research, I discovered that replacing a thermostat is pretty stinking easy. Granted, each heating and air conditioning system will have unique requirements for connecting a new thermostat, but the general process is pretty much the same. Consider this your big picture guide through the process.

How do I fix an unresponsive thermostat?

If the thermostat is still unresponsive, make sure the breaker is shut off and remove the cover. If it looks dirty inside, use canned air or a soft artist brush to clean away accumulated grime that may be affecting its functionality. Then look for issues like loose wiring or terminal screws and tighten them up.

How much does a thermostat cost to replace?

For a standard, 2,000-square-foot home, the cost of installing or replacing a thermostat averages between $112 and $255, including the price of the unit and professional installation. The national average cost is $174. The thermostat will run between $15 and $300, depending on the type and its features.

What to do after replacing a thermostat?

After replacing the thermostat, refill antifreeze. Leave the radiator cap off, and start the vehicle. Wait five minutes to allow all of the antifreeze to circulate throughout the engine. Turn off the engine, and allow the engine to cool.

How do I replace an old thermostat?

Is it safe to drive without a thermostat?

What causes a thermostat to fail?

Most automobile mechanics will tell you it is not a good idea to drive your car without a thermostat installed. If your thermostat becomes stuck in the closed position, though, this will cause your engine to overheat and make driving your car impossible.

Is it good to remove the thermostat?

How long can you drive without a thermostat?

Once the coolant engine reaches proper operating temperature, typically 180 to 200 degrees, the thermostat opens up and allows the coolant to flow through the engine. Sometimes the thermostat fails and must be replaced; there are four main reasons for failure: overheating, sludge, defect and age.

How long can you drive with a broken thermostat?

Its work is to block the flow of coolant to the radiator until the engine has warmed up to optimum temperature, after which the thermostat then opens up to allow free flow of coolant. Removing the thermostat from any car is NOT a good idea. It simply complicates issues and makes things worse for your car.

Can you drive with thermostat stuck closed?

The car will run fine without it. If you take out the thermostat then the coolant will just flow 100% (i.e. 100% of its capacity unrestricted by the thermostat) by the water pump.