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CARRIER MST-64ES Thermostat Monitor 920544

Mst-64es Carrier Part# 920544 Thermostat Monitor New

( Brand: Carrier ), ( Manufacturer Part Number: MST-64ES ), ( Part Type: Thermostat Monitor )

Review CARRIER Part# Thermostat Monitor New

The Carrier MST-64ES 920544 Thermostat Monitor is an essential accessory for homeowners with Carrier Infinity and Performance series heating and cooling systems. This monitor allows users to keep track of their system's performance and temperature settings remotely, ensuring optimal comfort and energy efficiency.

The sleek and compact design of the MST-64ES Thermostat Monitor measures just 5.5 inches wide by 2.75 inches high and 1 inch deep, making it a perfect fit for any wall or tabletop. The monitor features a large, easy-to-read LCD display with adjustable backlighting for clear visibility in low-light conditions.

The monitor is equipped with multiple functions to provide users with valuable system information. It displays the current temperature setting, indoor and outdoor temperature readings, system mode, fan status, and filter replacement indicators. Additionally, it allows users to adjust the temperature setting and fan mode remotely, providing convenience and flexibility.

The Carrier MST-64ES Thermostat Monitor is also Wi-Fi enabled, allowing users to connect it to the Carrier app on their smartphone or tablet. With the app, users can access real-time system information, receive alerts for system issues or filter replacement, and control their system from anywhere.

The monitor is designed to be easy to install, with a simple wiring setup that connects to the existing wires from the thermostat. It is also compatible with most Carrier Infinity and Performance series heating and cooling systems, making it a versatile and practical addition to any home.

With its advanced features, user-friendly design, and convenient remote access capabilities, the Carrier MST-64ES 920544 Thermostat Monitor is an excellent investment for homeowners looking to enhance the performance and functionality of their heating and cooling system.

The Carrier MST-64ES 920544 Thermostat Monitor is a wired remote sensor designed to be used with Carrier's Infinity series thermostats. This monitor allows users to measure and monitor temperature and humidity levels in different areas of their home, which can be useful for maintaining optimal comfort and energy efficiency. Here are some potential pros and cons of purchasing this thermostat monitor:

Pros:

1. Improved Comfort: By measuring temperature and humidity levels in different areas of your home, the Carrier MST-64ES 920544 Thermostat Monitor can help ensure that each room is maintained at the desired temperature and humidity level.

2. Energy Savings: By allowing you to monitor temperature and humidity levels in different areas of your home, this thermostat monitor can help you identify areas where energy is being wasted and make adjustments to improve energy efficiency.

3. Easy Installation: The Carrier MST-64ES 920544 Thermostat Monitor is designed to be easy to install, with a simple wiring system and clear instructions.

4. Accurate Measurements: The thermostat monitor is known for its accuracy in measuring temperature and humidity levels, ensuring that you have reliable data to make informed decisions about your home's comfort and energy usage.

Cons:

1. Limited Compatibility: This thermostat monitor is only compatible with Carrier's Infinity series thermostats.

2. Additional Cost: The Carrier MST-64ES 920544 Thermostat Monitor is an additional expense on top of the cost of the thermostat itself.

3. Requires Wiring: While the wiring process is relatively straightforward, some users may find the process of running wires through their home to be time-consuming and potentially difficult.

In conclusion, the Carrier MST-64ES 920544 Thermostat Monitor can be a valuable investment for homeowners with Infinity series thermostats who want to improve their home's comfort and energy efficiency. By providing accurate measurements of temperature and humidity levels in different areas of the home, this monitor can help users make informed decisions about their heating and cooling system settings. However, it is important to note that this monitor comes with some limitations, including limited compatibility and the additional cost of purchasing and installing it. Ultimately, the decision to purchase the Carrier MST-64ES 920544 Thermostat Monitor should be based on your individual needs and budget. If you are looking to improve the comfort and energy efficiency of your home and have an Infinity series thermostat, then this monitor could be a worthwhile investment. On the other hand, if you are on a tight budget or do not have an Infinity series thermostat, then this monitor may not be the best choice for you.

Details:

Carrier MST-64ES Part# 920544 Thermostat Monitor NEW.

part #: mst64es prices

  • $325.00-$369.99

specifications thermoditto:

  • brand: Carrier
  • mpn: Mst-64es
  • part type: Thermostat Monitor

seller thermoditto:

  • # reviews: 136
  • city: Minneapolis, Minnesota
  • rating: 100.0%

offer thermoditto:

  • availability: In Stock
  • best offers: True
  • quantity: 1
  • sold: 0
  • started: January 21, 2026
  • options: Ship-to-home

returns thermoditto:

  • time: 30 Days
  • policy: Returns Accepted
  • paid by: Seller
  • method: Money back

payments thermoditto:

  • wallet: Google-pay
  • credit card: Diners-club
  • other

shipping thermoditto:

  • transit: 5-7 Days
  • service: UPS Ground Saver
  • Carrier: UPS
  • cost: $8.04
  • class: Economy
  • type: Calculated

general thermoditto:

  • condition: New
  • Heating, Cooling Air > Thermostats > Programmable Thermostats
part type: thermostat monitor,
category: home & garden > heating, cooling air > thermostats > programmable thermostats, sku: 6674545109736721,

Carrier MST-64ES Is Similar To:

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2 offers $325.00–$369.99 USD
  • Offer #1: $325.00 price + $7.94 shipping estimate = $332.94* total. Carrier Part# Thermostat Monitor NEW.+$7.94 shipping
  • Offer #2: $369.99 price + $0.00 shipping estimate = $369.99* total. Carrier Thermostat Monitor or MST64ES. Part#.FREE SHIPPING

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