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Honeywell electronic thermostat in a store. Heating and cooling losses from a building (or any other container) become greater as the difference in temperature increases. A programmable thermostat allows reduction of these losses by allowing the temperature difference to be reduced at times when the reduced amount of heating or cooling would not be objectionable.
A rotary hand control turns a shaft that is connected within the infinite switch to a cam and follower. At the off position both power line connections are interrupted. At all on positions the manual contacts connect one of the line terminals to the pilot lamp terminal and one of the terminals for the heating element being controlled.
The gas savings for manual thermostat replacements (10% per thermostat) was found to be larger than for programmable thermostat replacements (8% per thermostat). The difference in electricity savings between homes whose prior equipment was a manual thermostat or programmable thermostat was found to be minimal.
Kelly Ripa is unveiling her Christmas tree — and it looks a little different this year! The Live with Kelly and Mark host, 54, revealed the hilarious story behind the installation of her holiday ...
Tyrese Hunter had 23 points, including the go-ahead 3-pointer with 59.3 seconds left in overtime, as Memphis rallied past No. 16 Clemson 87-82 on Saturday. Hunter had seven of Memphis' 12 3s ...
WASHINGTON (Reuters) -U.S. President-elect Donald Trump said on Wednesday he had picked Peter Navarro to be senior counselor for trade and manufacturing. Navarro served as head of a newly created ...
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.
The thermostat controls the fan speed and/or the flow of water or refrigerant to the heat exchanger using a control valve. Due to their simplicity, flexibility, and easy maintenance, fan coil units can be more economical to install than ducted 100% fresh air systems (VAV) or central heating systems with air handling units or chilled beams .
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