Can you replace a manual thermostat with a digital one?

Replacing your analog thermostat with a digital one is a great way to save on your heating bill since digital thermostats are able to control heat more precisely. GNH can provide you with everything you need for installing a digital thermostat!

Can I replace my thermostat with any thermostat?





Purchase a replacement thermostat that will work with your system. Review the compatibilities listed on the packaging of the replacement thermostat. Most replacement thermostats are compatible with all common systems. However, if your system is unique, finding a replacement thermostat may be difficult.

Can I switch to a programmable thermostat?

Your thermostat should be compatible with your system.



This also means that programmable thermostats are not “one-size-fits-all.” When you choose a new thermostat, make sure that it’s compatible not only with your furnace and air conditioner, but also with any extra features included in your system.

Can I replace a mercury thermostat with a digital?

Sometimes you have to flip the switch on the back of the thermostats depending on which type of system you have. If you’re going from mercury to a modern age digital thermostat the process can be simple if you just watch what you’re doing to pay attention.

How do I change my thermostat from analog to digital?

How to Replace an Analog Thermostat

  1. Step 1: Carefully Select New Thermostat. …
  2. Step 2: Shut Off Power to The Furnace. …
  3. Step 3: Remove the Faceplate From the Current Thermostat. …
  4. Step 4: Label the Wires. …
  5. Step 5: Disconnect the Wires and Remove the Wall Plate. …
  6. Step 6: Mounting the New Thermostat. …
  7. Step 7: Rewiring.

Are digital thermostats better than analog?





Digital thermostats are much better than analog or mechanical thermostats. Analog thermostats not only use more energy, but also maintain a higher temperature than their setting. On the other hand, a digital thermostat is more accurate and offers more control, resulting in energy savings.

Can you change a thermostat without shutting off power?

The short answer is no, it’s not OK – you increased your risk of electrocution and that’s never a good thing specially for a DIYer.

How much does it cost to install thermostat?

For a standard, 2,000-square-foot home, the cost of installing or replacing a thermostat averages between $113 and $254, including the price of the unit and professional installation. The national average cost is $175. The thermostat will run between $15 and $300, depending on the type and its features.

What happens if you wire a thermostat wrong?

Potential consequences of improper installation could include: Electric shock. Blowing a circuit breaker. Damaging the thermostat unit, the electrical system or even the AC/furnace unit itself.

Are mercury thermostats illegal?



Law prohibits the installation of thermostats that contain mercury in commercial and residential buildings effective January 1, 2006. Prohibits the sale and restricting the disposal of mercury thermostats; and prescribes penalties.

What states are mercury thermostats illegal?

The following IMERC-member states currently have restrictions on the sale and/or distribution of mercury-containing thermostats: Connecticut, Louisiana, Maine, Massachusetts, Michigan, Minnesota, New Hampshire, New York, Rhode Island, Vermont, and Washington.

When did they stop putting mercury in thermostats?

Mercury thermostats were the standard for nearly 200 years, however they haven’t been made since the early 2000s. New digital thermostats and programmable thermostats are designed to work without mercury.

Do modern thermostats use mercury?



Are thermostats dangerous? Many thermostats use mercury switches, but as long as a thermostat is intact, it isn’t dangerous. Electronic and magnetic snap switch thermostats don’t contain any mercury. To identify whether a thermostat contains mercury, remove the front plate.

Are mercury thermometers still available?

Mercury Thermometers Are Going Extinct.

Why do thermostats have mercury?

Mercury Components in Thermostats



Mercury thermostats use mercury switches to sense and control room temperature through communication with heating, ventilating, and air conditioning (HVAC) equipment. Mercury thermostats contain bimetal coils that contract and expand with room temperature.

Should you replace mercury thermostats?

Myth:Mercury-bulb thermostats should be replaced because they are inaccurate. Fact:Mercury bulb thermostats are among the most accurate for temperature control within the HVAC industry. Cheap electronic thermostats provide inferior temperature control.

Are old thermostats accurate?



The older thermostats are not efficient, and the digital models do a much better job of controlling the room temperature. When you decide to replace it, make sure you buy a thermostat that is compatible with your HVAC system. It is best to replace your thermostat after an AC repair or replacement.

What made mercury thermostat a problem?

This mercury becomes a serious problem when the old thermostats are replaced and then discarded. If the glass ampoule containing the mercury is broken or crushed during waste handling or disposal, the mercury will be released into the environment since mercury is volatile at room temperature.

How do I know if my mercury thermostat is bad?

There should be an open circuit when the mercury is not contacting the wire contacts and a closed connection when it is. If the thermostat fails either of these simple checks, it is defective. The easiest way to check thermostat function is to jump across the terminal screws with a jumper wire.

What to do if you broke a thermometer?

Place all materials used with the cleanup, including gloves, in a trash bag. Place all mercury beads and objects into the trash bag. Place the trash bag outside in a secured area and label it as directed by your local health or fire department.