MRCOOL Additional Room Sensor for MST07 (MST07-S)

MRCOOLSKU: MST07-S
47 reviews

Price:
Sale price$27.00 Regular price$39.00SAVE 30%
In Stock
Estimated delivery: Sep 18th-27th
Free shipping — delivered to your door by parcel carrier

Free shipping

Included on every order
Ships free by parcel carrier. Your order ships with FedEx, UPS, USPS, or similar.
Tracking lands in your inbox. We email your tracking number as soon as the order leaves our warehouse.
Delivered to your door. Most parcel deliveries don't require a signature, so you don't need to be home.
Something arrives damaged: contact us right away and we'll make it right.

Description

The MRCOOL® Remote Room Sensor is the key to achieving true, balanced comfort throughout your entire home. Designed to work seamlessly as an optional add-on to the MRCOOL® MST07 Smart Thermostat, this sensor allows you to move beyond basic hallway temperature readings to monitor specific areas where you spend the most time. Whether you’re dealing with a drafty bedroom or a sun-drenched living room, these sensors provide the precise, real-time data needed to eliminate hot and cold spots for a more consistent indoor environment. Integration is effortless and entirely DIY-friendly, mirroring the intuitive setup of the MRCOOL® Connect app.

You can expand your system’s intelligence by connecting up to 10 sensors to a single thermostat, creating a comprehensive multi-room monitoring network. By providing your HVAC system with a clearer picture of your home’s climate, these sensors help drive smart automation that reduces unnecessary runtime. The result is a more responsive, energy-efficient home that prioritizes your comfort while actively helping to lower your monthly utility costs.

Monitors:

  • Occupancy
  • Temperature
  • Humidity
GENERAL INFORMATION
Mount Type
Wall
Color
White
Has Batteries
Yes
Contains Electronics
Yes
Base Warranty
1 Year
Shipping
  • Free Shipping on all orders.
  • Large Appliances: Ship via Curbside Delivery — the carrier delivers to your property but not inside your home.
  • Small Items: Ship via standard ground delivery (FedEx or similar), such as small appliances, range hoods, sinks, faucets, and accessories.
Full shipping policy
Returns
  • 30-Day Return Policy: Return requests must be submitted within 30 days of your delivery date. We cannot process returns after this period.
  • Return Requirements: Products must be unused, uninstalled, and in their original packaging (including box and pallet) to qualify.
  • Restocking Fee: A restocking fee may apply and varies by brand.
Full returns policy
Authorized MRCOOL Dealer
Full manufacturer warranty on every MRCOOL product we sell.

Customer Reviews

Based on 47 reviews
87%
(41)
11%
(5)
2%
(1)
0%
(0)
0%
(0)
J
Jim M. (Los Angeles, CA)
Easy to install and working great.

I needed to replace another unit that a previous contractor didn't do any part of that installation correctly, and the condensation line was leaking inside the house, running down the wall since that installation!! The indoor coil was 1-1/2" out of level, the line set wasn't wrapped, the electrical was tapped into the same circuit as the garage light and outlets...it was a mess.

It took me more time to demo the old unit out than to install the one I bought from you.

Thank you.

B
Bill (Philadelphia, PA)
Very pleased.

Very pleased with the price, delivery, ease of installation, and above all during this heatwave it is working excellently.

N
Natalie N. (San Jose, CA)
Perfect for our needs!

I ordered a 2 zone unit for the bedrooms in our home. It took a few months to arrive (manufacturer issue, nothing to do with HOD, and we were contacted on more than one occasion with an order update which was much appreciated!), but when it did arrive was very easy to install. Both the heat and AC function work perfectly, and our family is very happy!

R
Robert W. (Marietta, GA)
Decent Company

I ordered a HVAC system and it arrived in a timely manner and with no apparent issues. I thought the system was defective once installed but it was the installers fault who wired it wrong. My only issue would be the fee (30% I believe) to return a defective item within the 30 day return policy. If it is defective the customer shouldn't have to pay a fee to return an item that is not operating as designed. Other than that this is a good company.

P
Peter K. (Phoenix, AZ)
Pretty Easy Install and Works Great!

Installed my own central HP system. It was a bit of work but nothing beyond a person with basic mechanical and electrical skills. It took me a while because I had to remove the existing electric forced air furnace from a pretty tight place. Some custom sheet metal work and a bit of custom electrical too. Worked perfectly when powered up and I actually like the thermostat provided, although I wish it was clearer how to set up a temperature set-back schedule. Pre-charged refrigerant piping was something new and I liked that too. The best thing is that my electric utility forked out $4,000 and that paid for the unit!

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