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2. Amazon Smart Thermostat Review: A Phenomenally ... - AOL

   www.aol.com/lifestyle/amazon-smart-thermostat...

   Amazon’s Smart Thermostat makes quite a lasting impression. Here’s our full review.

3. Nest smart thermostats rarely go on sale — but they're up to ...

   www.aol.com/lifestyle/nest-smart-thermostats...

   The Nest Thermostat and the Nest Learning Thermostat are rarely on sale, but right now Amazon has a few left that have seen price cuts for the holidays. The standard Nest in a subtle sand shade ...

4. Auto-defrost - Wikipedia

   en.wikipedia.org/wiki/Auto-defrost

   While this technique was originally applied to the refrigerator compartment, it was later used for freezer compartment as well. A combined refrigerator/freezer which applies self-defrosting to the refrigerator compartment only is usually called "partial frost free" or semi-automatic defrost (some brands call these "Auto Defrost" while Frigidaire referred to their semi-automatic models as ...

5. Thermal cutoff - Wikipedia

   en.wikipedia.org/wiki/Thermal_cutoff

   Thermal switches are used in power supplies in case of overload, and also as thermostats, and overheat protection in some heating and cooling systems. They are found in virtually every refrigerator, microwave, clothes dryer, space heater, and many more appliances found throughout the home.

6. Smart thermostat - Wikipedia

   en.wikipedia.org/wiki/Smart_thermostat

   Smart thermostats also record internal/external temperatures, the time the HVAC system has been running and can notify the user if the system's air filter needs to be replaced. This information is typically displayed later on an internet-connected device such as a smartphone.

7. Thermostat - Wikipedia

   en.wikipedia.org/wiki/Thermostat

   A thermostat exerts control by switching heating or cooling devices on or off, or by regulating the flow of a heat transfer fluid as needed, to maintain the correct temperature. A thermostat can often be the main control unit for a heating or cooling system, in applications ranging from ambient air control to automotive coolant control.

8. AOL Mail

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   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

9. Thermal expansion valve - Wikipedia

   en.wikipedia.org/wiki/Thermal_expansion_valve

   A thermal expansion valve is a key element to a heat pump; this is the cycle that makes air conditioning, or air cooling, possible.A basic refrigeration cycle consists of four major elements: a compressor, a condenser, a metering device and an evaporator.