Heat Thermostat
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 Robertshaw RS 5110 Programmable Thermostat Heat and Cool NEW IN BOX $21.95 Time Remaining: 2h 9m Buy It Now for only: $24.95 |
 HUNTER 7 DAY PROGRAMMABLE MULTI STAGE HEAT PUMP NEW $20.00 Time Remaining: 29d 52m Buy It Now for only: $20.00 |
 WHITE ROGERS 70 SERIES HEAT PUMP TSTAT 1F79 111 $14.99 Time Remaining: 3h 49m Buy It Now for only: $20.00 |
 TH4110D1007 Honeywell Programmable 5 2 T stat Heating Cooling Heat Pump $29.95 Time Remaining: 24d 3h 6m Buy It Now for only: $29.95 |
 Carrier Honeywell Heat Pump Thermostat 2 Zone Non programmable $11.44 Time Remaining: 5h 53m |
 Braeburn 3200 2 Heat 2 Cool Digital Thermostat $25.00 Time Remaining: 6h 51m Buy It Now for only: $28.00 |
 Floor Warming Heating Prog thermostat 500670 $50.00 Time Remaining: 1d 19h 35m Buy It Now for only: $50.00 |
 Honeywell PRO4000 5 2 Programmable thermostat 1Heat 1Cool Conventand Heat Pump $25.00 (1 Bid) Time Remaining: 8h 13m |
 Lux WIN100 Heating Cooling Programmable Outlet Thermostat $47.85 Time Remaining: 22d 9h 13m Buy It Now for only: $47.85 |
 Honeywell CT31A Heat Cool Thermostat $5.00 (1 Bid) Time Remaining: 16h 52m |
 American Standard Heating Air Conditiong $0.99 Time Remaining: 19h 18m |
 Honeywell Digital Non Programmable Thermostat for Electric Baseboard Heating $22.99 Time Remaining: 28d 2h 14m Buy It Now for only: $22.99 |
 SIMPLE COMFORT 1600 NON PROGRAMMABLE HEAT ONLY THERMOSTAT $16.99 Time Remaining: 21h 55m |
 Luxaire Fraser Johnson 6TH13701024 Mercury Bulb Heat Only Thermostat $10.49 Time Remaining: 6d 1h 12m Buy It Now for only: $10.49 |
 HUNTER SETSAVE PROGRAMMABLE THERMOSTAT FOR HEATING COOLING 44155C $9.99 Time Remaining: 1d 54m |
 Lux WIN100 Heating Cooling Programmable Outlet Thermostat $22.52 (2 Bids) Time Remaining: 1d 5h 3m |
 BRAEBURN 500 1 HEAT 1 COOL MECHANICAL THERMOSTAT $14.95 Time Remaining: 28d 16h 55m Buy It Now for only: $14.95 |
 NEW BRAEBURN 3200 2 HEAT 2 COOL THERMOSTAT NICE LOOK $19.99 Time Remaining: 1d 7h 7m |
 Line Voltage Thermostat 120V Heating Cooling $9.99 Time Remaining: 28d 8h 51m Buy It Now for only: $9.99 |
 PSD111 LuxPro Digital Non Programmable Thermostat Single Stage Heat and Cool $19.99 Time Remaining: 1d 7h 51m |
 Carrier TSTATCCNHP01 C Non Programmable Heat Pump 2 heat 1 cool thermostat NEW $79.00 Time Remaining: 1d 15h 47m Buy It Now for only: $94.00 |
 HONEYWELL 1 WEEK PROGRAMMABLE THERMOSTAT RTH221B HEATING COOLING SYSTEM $9.99 Time Remaining: 22d 5h 3m Buy It Now for only: $9.99 |
 THERMOSTAT SC 2000 SIMPLE COMFORT HEAT AND COOL 1 STAGE NON PROGRAMMABLE $6.99 Time Remaining: 1d 17h 18m |
 White Rodgers 1F97 1277 1heat 1cool programmable touch screen $105.00 Time Remaining: 2h 38m Buy It Now for only: $105.00 |
 New Honeywell Manual Thermostat Heating and coolingmodel CT41A $6.00 Time Remaining: 1d 23h 49m |
 Honeywell VisionPRO IAQ 4 heat and 2 cool with outdoor sensor YTH9421C1010 $94.55 (5 Bids) Time Remaining: 1d 23h 57m |
 Carrier TSTATCCPB501 Standard Programmable Residential Thermostat 2 Heat 2 Cool $45.00 Time Remaining: 29d 23h 6m Buy It Now for only: $45.00 |
 Honeywell Non programmable Thermostat CT87N The Round Cool Heat $16.50 (2 Bids) Time Remaining: 2d 1h 39m |
 HEAT PUMP COOL DIGITAL THERMOSTAT BRAEBURN 3200 NON PROGRAMABLE 2 HEAT 2 COOL $19.95 Time Remaining: 12d 5h 17m Buy It Now for only: $19.95 |
 OMNISTAT HAI RC 100B Heat Pump Backlit Thermostat $197.35 Time Remaining: 2d 1h 51m |
 OMNISTAT HAI RC 80B Single Stage Heat Cool Backlit Thermostat $241.20 Time Remaining: 2d 1h 51m |
 LCD Touch Screen Programmable underfloor heating Room Thermostat blue backlight $41.98 Time Remaining: 14d 12h 30m Buy It Now for only: $41.98 |
 250 THERMOSTAT WIRE AIR CONDITIONING HEAT PUMP AC ELECTRIC LOW VOLTAGE 24 VOLT $13.49 (2 Bids) Time Remaining: 2d 1h 52m |
 Dayton 1UHG1 Digital LCD Heat Thermostat 75 retail 240V In Line Voltage $14.99 Time Remaining: 4d 2m Buy It Now for only: $14.99 |
 HONEYWELL PRO4000 PROGRAMABLE THERMOSTAT AC HEAT PUMP AIR CONDITIONING COOL 24V $0.99 (1 Bid) Time Remaining: 2d 1h 53m |
 HONEYWELL PRO6000 PROGRAMABLE THERMOSTAT AC HEAT PUMP AIR CONDITIONING COOL 24V $20.06 (2 Bids) Time Remaining: 2d 1h 53m |
 MAPLE CHASE 09505 24 VOLT HEAT ONLY NONPROGRAMMABLE THERMOSTAT 18799 $28.00 Time Remaining: 28d 4h 31m Buy It Now for only: $28.00 |
 NEW Manual Thermostat Heat cool Honeywell Model CT51A $14.99 Time Remaining: 2d 3h 20m |
 WIN Portable Plug in Heating Cooling Units Programmable Outlet Thermostat $57.95 Time Remaining: 5d 18h 31m Buy It Now for only: $57.95 |
 Danfoss Programmable Floor Heating Thermostat with GFCI $40.00 Time Remaining: 2d 4h 33m |
 honeywell thermostat th5220d1003 used digital hvac heat pump furnace $5.00 (1 Bid) Time Remaining: 2d 5h |
 Electric Baseboard Heat Programmable Thermostat Line Volt 240v $66.95 Time Remaining: 7d 20h 28m Buy It Now for only: $66.95 |
 HONEYWELL T7300F 2010 SERIES 2000 PROGRAMMABLE COMMERCIAL HEAT PUMP THERMOSTAT $0.99 Time Remaining: 2d 5h 3m |
 NEW Heat cool Digital Thermostat Hunter Fan Ea Standard Thermostats 42999B $39.87 Time Remaining: 29d 11h 23m Buy It Now for only: $39.87 |
 Honeywell visionpro 8000 commercial TB8220U1003 up to 3heat 2cool $77.36 (8 Bids) Time Remaining: 2d 5h 23m |
 Honeywell Programmable 7 Day Heating Cooling Thermostat $2.00 (2 Bids) Time Remaining: 2d 5h 56m |
 NEW HONEYWELL RTH111B HEAT COOLING DIGITAL THERMOSTAT $17.89 Time Remaining: 16d 23h 26m Buy It Now for only: $17.89 |
 Honeywell Non Programmable Heating Cooling Thermostat Easy to Use $0.99 (1 Bid) Time Remaining: 2d 5h 59m |
 Touch Screen floor Heating Programmable Thermostat room temperature controler $42.98 Time Remaining: 7d 6h 29m Buy It Now for only: $42.98 |
 Honeywell AUBE TH106 U Electric Heating Programmable Thermostat 7 Day $10.87 Time Remaining: 2d 6h 58m |
 LOT of 4 Honeywell Manual 4 Wire Standard Heating Thermostat CT410B $2.51 (2 Bids) Time Remaining: 2d 7h 3m |
 NEW Digital Heat cool Thermostat Honeywell Ea Standard Thermostats $41.93 Time Remaining: 28d 11h 34m Buy It Now for only: $41.93 |
 Honeywell Non Programmable Thermostat CT31A Heating and Cooling $5.99 Time Remaining: 2d 8h 40m |
 Digital Programmable underfloor heating Thermostat room temperature controller $32.98 Time Remaining: 27d 12h 24m Buy It Now for only: $32.98 |
 NIP RiteTemp Universal Thermostat Standard Heat Cool W Fan Control Model 6010 $19.99 Time Remaining: 2d 8h 41m |
 NIP RiteTemp Universal Electronic Thermostat Heat Only Model 8045 $6.99 Time Remaining: 2d 9h 14m |
 New Braeburn 1200 Heat Pump 2 Heat 1 Cool Non Programmable $22.95 Time Remaining: 4d 16h 46m Buy It Now for only: $22.95 |
 LCD Touch Screen Programmable underfloor heating Room Thermostat blue backlight $37.98 Time Remaining: 2d 11h Buy It Now for only: $41.98 |
 OnQ On Q HMS Heat Cool Zone Control Themostat 13A06 3 rev C1 ONQ GUARANTEED $27.99 Time Remaining: 6d 16h 37m Buy It Now for only: $27.99 |
 White Rodgers 1A66 641 electric heat thermostat $15.00 Time Remaining: 2d 17h 14m Buy It Now for only: $20.00 |
 Honeywell T8611G 2002 Chronotherm IV Deluxe Programmable Heat Pump Thermostat $27.00 Time Remaining: 2d 18h 4m Buy It Now for only: $30.00 |
 Honeywell Heavy Duty T6051 A1016 Heat Cool Thermostat 120 240V New In Box $20.00 Time Remaining: 14d 3h 37m Buy It Now for only: $20.00 |
 Honeywell T8001C 1019 Heat Cool Programmable Thermostat $5.00 Time Remaining: 2d 19h Buy It Now for only: $25.00 |
 Aube Floor Sensor for radiant floor heating $15.00 Time Remaining: 26d 9h 3m Buy It Now for only: $15.00 |
 Heat Pump Programmable Digital Thermostat NIB $39.99 Time Remaining: 2d 20h 5m Buy It Now for only: $49.99 |
 Heat Pump Programmable Digital Thermostat NIB $39.99 Time Remaining: 2d 20h 5m Buy It Now for only: $49.99 |
 New Lennox 51M37 Electronic Programmable Heat Pump Thermostat $100.00 Time Remaining: 29d 9h 17m Buy It Now for only: $100.00 |
 White Rodgers Programable Heat Cool Thermostats 1F72 151 1x3 Bundle $39.99 Time Remaining: 2d 20h 53m Buy It Now for only: $59.99 |
 Lot of Honeywell Filtrete Lux Heating Cooling Thermostats lb10 $99.77 Time Remaining: 9d 1h 12m Buy It Now for only: $99.77 |
 Hunter Electronic Heating and Cooling Thermostat $5.99 Time Remaining: 2d 21h 32m |
 Omnistat HAI RC 112B 3 Stage Heat 2 Stage Cool $75.00 Time Remaining: 2d 23h 58m Buy It Now for only: $90.00 |
 NEW Digital 5 2 Day Program Heating Cooling Thermostat Electric Easy Use HVAC $36.40 Time Remaining: 29d 23h 24m Buy It Now for only: $36.40 |
 Honeywell Model RTH230B AC Heating digital thermostat with filter change Icon $20.00 Time Remaining: 3d 3h 4m |
 Lux Heat Only Thermostat PSM30 $19.69 Time Remaining: 28d 18h 42m Buy It Now for only: $19.69 |
 HONEYWELL CT87K THERMOSTAT THE ROUND HEAT ONLY VERY EASY TO INSTALL $4.99 Time Remaining: 3d 4h 42m |
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Digital thermostat with single rotary encoder switch
Digital thermostat with single rotary encoder switch
A digital thermostat includes a microcontroller and a single rotary encoder switch having an adjusting shaft and a knob connected to the shaft. The shaft of the switch is rotatable by the knob to a plurality of discrete angular positions, each of which enables the switch to provide a unique signal to the microcontroller..
For many years, room thermostat for controlling heating and/or cooling apparatus have incorporated a bi-metal sensitive to room temperature, a switching means carried by the bi-metal, which switching means controls operation of the heating and/or cooling apparatus, and a lever or knob mechanically linked to the bi-metal. Associated with the lever or knob is some type of temperature indexing means.
In recent years, a wide variety of thermostats have been developed which have the capability of being programmed by the user to provide a time-temperature schedule whereby the floor heating thermostat will automatically control room temperature at different set point temperatures during different time periods of the day and week. Many of such programmable thermostats incorporate a microcontroller which provides digital logic. The microcontroller provides a cost-effective means for implementing the desired functions of such thermostats. The microcontroller, primarily because of its digital logic, also enables such thermostats to provide more accurate and reliable control of room temperature than can generally be achieved by the aforementioned bi-metal type.
While such programmable thermostat have been widely accepted in the marketplace, there still remains a segment of homeowners who, while desirous of the accuracy and reliability in controlling room temperature due to the use of a microcontroller in such thermostats, prefer a thermostat in which the set point temperature can be adjusted manually, and in a simple manner, for example, similar to that used in the aforementioned bi-metal types, instead of it being adjusted automatically in accordance with a programmed time-temperature schedule.
Therefore, it would be desirable to provide a digital thermostat utilizing a microcontroller so as to implement the accuracy and reliability provided by the microcontroller, and utilizing a simple, easy-to-understand means for establishing a desired set point temperature.
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digital thermostat programmable thermostat