Best Mini in 2026

Engine Coolant Thermostat

11 53 7 534 521 (Mini)

11 53 8 699 290 (Mini)

Save up to 23% annually on heating and cooling costs (compared to a hold of 72°F)

Control from anywhere using your Android or iOS device

Add SmartSensor to manage hot or cold spots and deliver enhanced comfort to the rooms that matter most

PRIVACY PROTECTION*: Sensi won’t sell your personal information to third parties

EASY DIY INSTALLATION: Use the built-in level, illuminated easy-click terminals and step-by-step app instructions for a quick installation; Works with the HVAC equipment found in most homes. Common wire (c-wire) is required

SAVE ABOUT 23% ON HVAC ENERGY*: The ENERGY STAR-certified Sensi smart thermostat can help you save energy with features like flexible scheduling, remote access and usage reports

No more programming: With Auto-Schedule, the Google Nest Learning Thermostat learns from you and programs itself..Product note: You can also check your system’s compatibility before purchasing a Nest thermostat with our online Nest Compatibility Checker on the Google Nest support page

Home/Away Assist: don't heat or cool an empty home. Home/Away Assist adjusts the temperature after you leave.

Remote control: Control your thermostat from anywhere using the Nest app.

PRIVACY PROTECTION*: Sensi won’t sell your personal information to third parties

SAVE ABOUT 23% ON HVAC ENERGY*: The ENERGY STAR-certified Sensi smart thermostat can help you save energy with features like flexible scheduling, remote access, and usage reports

EASY DIY INSTALLATION: Use the built-in level and step-by-step app instructions for a quick installation. Works with HVAC equipment found in most homes. Common wire (c-wire) is not required in most applications

All MAHLE Original gaskets meet or exceed the original equipment specifications providing the finest sealing products available

MAHLE Original gaskets utilizes OE equivalent or better materials in all our gaskets

MAHLE Original gaskets is the leader in Domestic, Asian and European applications

COMFORT COMES IN YOUR COLOR. Personalize your Wi-Fi Smart Color Programmable Thermostat to fit your décor. The Honeywell Wi-Fi Smart Thermostat does have an auto changeover feature in which the thermostat automatically selects heating or cooling depending on the indoor temperature. Heat and cool settings must be at least 3 degrees apart. The thermostat will automatically adjust settings to maintain this 3-degree separation.

SAVE ENERGY AND GET REWARDED by checking with your energy provider about available rebates. Plus, eligible customers can enroll in their local Utility's "DEMAND RESPONSE PROGRAM" which can reward you for allowing the utility to slightly adjust your AC or furnace temperature settings when there is high energy demand.

YOUR SCHEDULE. YOUR WAY. Flexible programming options for your schedule or utility company’s peak rate pricing.

ENERGY STAR certified to help save energy, track your heating and cooling and send personalized tips on reducing energy use.

SAVE ENERGY AND GET REWARDED by checking with your energy provider about available energy savings rebates to save on your purchase. Plus, eligible customers can enroll in their local Utility's "DEMAND RESPONSE PROGRAM" which can reward you for allowing the utility to slightly adjust your AC or furnace temperature settings when there is high energy demand.

CONTROL FROM ANYWHERE by using the app or compatible smart home partners including AMAZON ALEXA, GOOGLE ASSISTANT, MICROSOFT CORTANA, and more. Flexible programming options are also available if you'd rather set it and forget it but still benefit from energy savings.

ENERGY STAR certified smart thermostat for home that helps you save energy and stay comfortable.Product note: You can also check your system’s compatibility before purchasing a Nest thermostat with our online Nest Compatibility Checker on the Google Nest support page

The Nest Thermostat is designed to work without a C wire in most homes, but for some systems, including heating only, cooling only, zone controlled, and heat pump systems, you’ll need a C wire or other compatible power accessory. Lock feature: No

Nest Thermostat turns itself down when you leave, so you don’t waste energy heating or cooling an empty home; easily program an energy efficient schedule in the Google home app on your Android or iPhone

ENERGY STAR certified. Help save energy, track your heating and cooling with monthly energy reports and get personalized tips on reducing energy use.

SAVE ENERGY AND GET REWARDED by checking with your energy provider about available energy savings rebates to save on your purchase (rebate finder link above). Plus, eligible customers can enroll in their local Utility's "DEMAND RESPONSE PROGRAM" which can reward you for allowing the utility to slightly adjust your AC or furnace temperature settings when there is high energy demand.

C-WIRE POWER ADAPTER REQUIRED: Before purchasing, check to see if this thermostat is compatible with your home and to determine if your home needs a C-wire power adapter.

Smart upgrade - Amazon Smart Thermostat is an easy way to switch from a traditional thermostat and help reduce energy usage.

Save money - After purchase, Amazon will send you an email with details about rebates that may be available from energy providers in your area. Explore rebates above.

Save energy - According to EPA estimates, ENERGY STAR certified thermostats save an average of $50 on yearly energy bills.

ENERGY STAR certified smart thermostat for home that helps you save energy and stay comfortable.Connectivity : Wi-Fi - 802.11b/g/n 2.4 GHz, 802.11a/n 5 GHz Wi-Fi., Wireless interconnect : Bluetooth Low Energy Please refer to the product description section below for all applicable legal disclaimers.Product note: You can also check your system’s compatibility before purchasing a Nest thermostat with our online Nest Compatibility Checker on the Google Nest support page

The Nest Thermostat is designed to work without a C wire in most homes, but for some systems, including heating only, cooling only, zone controlled, and heat pump systems, you’ll need a C wire or other compatible power accessory

Nest Thermostat turns itself down when you leave, so you don’t waste energy heating or cooling an empty home. Lock feature: No

Control the flow of coolant through the radiator to enable the engine to reach and maintain its normal operating temperature

GM-recommended replacement part for your GM vehicle’s original factory component

Offering the quality, reliability, and durability of GM OE

Package Dimensions: 2.01 L x 5.75 H x 5 W (inches)

Package Weight : 1 pounds

Country of Origin : Japan

Product Type :Auto Part

Package Dimensions :7.874 Cm L X6.858 Cm W X4.318 Cm H

Country Of Origin :China

Easy to replace with common tools. See your owner's manual for removal of non-functioning thermostat and replacement of new thermostat.

160 F degree thermostat. Use only the temperature thermostat listed in your owner's manual or service manual.

Proper engine cooling temperature assures peak performance and highest efficiency.

genuine oem factory part

exact fit

durable

Strong and durable

Easy to install

Maintains operating compression

The Nest Thermostat Trim Kit is designed to cover imperfections on your wall from removing your old thermostat.What's in the box : Trim plate Steel plate Mounting screws Installation card.Product note: You can also check your system’s compatibility before purchasing a Nest thermostat with our online Nest Compatibility Checker on the Google Nest support page

Designed for the Nest Thermostat, the smart thermostat that helps you save energy and stay comfortable

Includes a trim plate for installing your on wall and a steel plate for installing your smart thermostat over an electrical box

【 Before purchasing, please check whether the wiring port matches your device 】 Suuwer S701 Nonprogrammable Electronic Thermostats, Single Stage 1 Heating and 1 Cooling

For use with Central Gas, Oil, or Electric Furnaces Systems（ compatible with 85% of systems ）

Dual Powered by 24VAC Power or 2 AAA Batteries, C-wire is not required. （Shell color; off-white ）

Works with compatible Nest thermostats [1]; the sensor tells the thermostat what the temperature is in the room where it’s placed and the thermostat uses that reading to control when the system turns on or off to keep that room the temperature you like.Compatible with select Nest thermostats. Including Nest Learning Thermostat, 3rd Gen and Nest Thermostat E.Wireless. Bluetooth Low Energy connection.Long battery life - Works on CR2 3V lithium battery (included) with up to 2-year lifetime.Up to 50 feet range. Allows easy placement..Product note: You can also check your system’s compatibility before purchasing a Nest thermostat with our online Nest Compatibility Checker

Put different temperature sensors in different rooms, like the baby’s room or living room

Control your Nest sensor in the Nest app; set a schedule and choose which room to prioritize when [2]

Weekly (5-1-1 day) programmable electronic thermostat with wake, leave, return and sleep time periods. Single stage, 1 heating and 1 cooling, electric or gas/oil configurable.

Not suitable for RV's. Work with single stage heating, cooling and heat pump (without aux) systems. Does not work with multi-stage systems or 120/240-Volt electric baseboard.

Easy-to-read digital 4.5 sq. in. LCD display with large characters and blue backlight. Big separate buttons for easy setting.

Premium Superstat thermostat.

Uses high venturi for maximum cooling capacity during high temperature, high load oepration.

25% larger piston in diameter that delivers 1 1/2 the power of standard thermostats.

Comes with the thermostat and gasket you need to replace the thermostat

GM-recommended replacement part for your GM vehicle’s original factory component

Offering the quality, reliability, and durability of GM OE

Water outlet gasket

Meets or exceeds all original equipment specifications

Application specific design

oe manufactured for exact form, fit and function

contributes to maintaining cooling system performance

critical aspect of the cooling system

Water outlet gasket

Meets or exceeds all original equipment specifications

Application specific design

The RTH6360D offers flexible 5-2-Day or 1-Week programming so you can set your own schedule for comfort and energy conservation.

Backlit LCD display shows current room temperature and set point temperature simultaneously.

Smart Response Technology learns how long it takes to achieve the right temperature at the right time and automatically runs your system to get to your desired temperature when you want it.

Easy-to see and read. large, clear backlit digital display

Standard display size 1.5 square inches

Easy-access battery replacement door

Water outlet thermostat housing made of durable material for a long lasting life.

Thermostat is integrated into housing assembly, simplifying installation.

Stant Engine Coolant Thermostat