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Summary of Honeywell Thermostats
(#'s listed refer to the item in the picture above
it)
A programmable thermostat can save you up to 33% off
your energy bill (if used as directed - savings may vary depending on geographic
region and usage)
Programmable

#1 - 7-Day Touchscreen Programmable Thermostat -
Model RTH8500D Buy Now!
 | Extra large touchscreen display |
 | Backlit display |
 | Auto change from heat to cool |
 | Smart Response Technology |
 | Filter change reminder |
 | Precise temperature control of +/- 1°F |
 | Permanent day and time |
 | Daylight saving time option |
 | Optional battery free
installation |
 | Vacation hold |
 | Compatible with heating and
cooling systems plus heat pump systems |
#2 - 7-Day Touchscreen Programmable Thermostat -
Model RTH7600D
Buy Now!
 | Easy to use touchscreen display |
 | Backlit display |
 | Auto change from heat to cool |
 | Smart Response Technology |
 | Filter change reminder |
 | Precise temperature control of +/- 1°F |
 | Permanent day and time |
 | Daylight saving time option |
 | Optional battery free installation |
 | Compatible with heating and cooling systems plus
heat pump systems |
#3 - 7-Day Programmable Thermostat - Model RTH7500D Buy Now!
 | Easy to use |
 | Backlit display |
 | Auto change from heat to cool |
 | Smart Response Technology |
 | Filter change reminder |
 | Precise temperature control of +/- 1°F |
 | Permanent day and time |
 | Daylight saving time option |
 | Optional battery free
installation |
 | Compatible with heating and
cooling systems plus heat pump systems |
#4 - 5-1-1 Day Programmable
Thermostat - Model RTH6400D
Buy Now!
 | Easy to use |
 | Backlit display |
 | Smart Response Technology |
 | Precise temperature
control of +/- 1°F |
 | Auto change from heat to cool |
 | Compatible with heating and
cooling systems plus heat pumps without back-up heat |
#5 - 5-2 Day Programmable
Thermostat - Model RTH2310B
 | Easy to use |
 | Backlit display |
 | Early start function |
 | Filter change reminder |
 | Precise temperature
control of +/- 1°F |
 | Compatible with heating and
cooling systems and millivolt systems |
#6 - 7-Day Programmable Decor
Thermostat - Model RTH2520B Buy Now!
 | Includes changeable faceplates
for customizing appearance (titanium, charcoal, taupe) |
 | Enhance your home's decor |
 | Easy to use |
 | Backlit display |
 | Early start function |
 | Filter change reminder |
 | Precise temperature
control of +/- 1°F |
 | Compatible with heating and
cooling systems and millivolt systems |
#7 - 5-2 Day Programmable
Thermostat - Model RTH4300B Buy Now!
 | 4 programmable periods per day |
 | Programming for weekdays, plus
weekends |
 | Easy-to-read digital display |
 | Precise temperature
control of +/- 1°F |
 | Simple built-in operating
instructions |
 | Compatible with heating and
cooling systems plus heat pumps without back-up heat |
#8 - 5-2 Day Programmable
Thermostat - Model RTH230B
Buy Now!
 | Easy-to-read display |
 | Easy-access battery
compartment |
 | Precise temperature
control of +/- 1°F |
 | Retains memory in the event of
a power outage |
 | Filter change reminder |
 | Compatible with heating and
cooling systems |
#9 - 1-Week Basic Programmable
Thermostat - Model RTH221B
Buy Now!
 | Easy to use |
 | Precise temperature
control of +/- 1°F |
 | Sleek, one-piece design |
 | Compatible with hearing and
cooling systems |
Digital Non-Programmable

#10 - Model RTH5100B Buy Now!
 | Large, backlit digital display |
 | Easy-access battery door |
 | Setpoint is retained in the event of a power outage |
 | Precise temperature control of +/- 1°F |
 | Compatible with heating and
cooling systems plus heat pumps without back-up heat |
#11 - Model RTH110B Buy Now!
 | Easy-to-read display |
 | Set-point is retained in the
event of a power outage |
 | Precise temperature
control of +/- 1°F |
 | Compatible with heating and
cooling systems and millivolt systems |
#12 - Model RTH111B
Buy Now!
 | Sleek, one-piece design |
 | Precise temperature
control of +/- 1°F |
 | Easy to use and install |
 | Compatible with heating and
cooling systems |
Mechanical Non-Programmable

#13 - The RoundTM
- Models CT87K/CT87N
 | World's most popular thermostat |
 | Precise temperature control of +/- 1°F |
 | Available in heat only (CT87K)
and heat/cool models (CT87N) |
 | Easy to install and use |
 | Compatible with heating and
cooling systems |
#14 - Models CT30A (Buy Now!)/CT31A
(Buy Now!)/CT33A
(Buy Now!)
 | Snap action switching |
 | Precise temperature control |
 | Available in heat only
(CT30A), heat/cool (CT31), and 750 millivolt heating systems (CT33) models |
 | Compatible with heating
systems |
#15 - Models CT50K (Buy Now!)/CT51N
(Buy Now!)/CT54K
(Buy Now!)
 | Standard model |
 | Precise temperature control |
 | Available in heat only (CT50K)
and heat/cool (CT51N) models |
 | Also Available in
Fireplace/Floor/Wall Furnace (CT54K) models |
 | Compatible with heating and
cooling systems |
Electric Baseboard Heat (Line Voltage -
120-240V)

#16 - 5-2 Day Programmable for Electric Baseboard
Heat Only - Model RLV4300A
Buy Now!
 | Programming for the weekdays, plus weekends |
 | TRIAC switching for accurate temperature control of
+/- 0.15°C |
 | 3000W max. on 240V |
 | Easy-to-read backlit display |
 | Easy to install and use |
 | 100% silent - no clicking
noise |
 | 2 wire |
 | Compatible with fan-forced
heaters |
 | Compatible with electric
baseboards, convectors and radiant ceilings |
#17 - Electric Baseboard Heat
Only - Model RLV2130A
 | Easy to use manual thermostat |
 | TRIAC switching for
accurate temperature control of +/- 0.15°C |
 | Easy to install and use |
 | 2000W max. on 240V |
 | 100% silent - no clicking
noise |
 | 2 wire |
 | Not compatible with fan-forced
heaters |
 | Compatible with electric
baseboards, convectors and radiant ceilings |
#18 - Electric Baseboard Heat
Only - Models CT410A (Buy Now!)/CT410B
(Buy Now!)
 | Easy to install |
 | Durable long life bi-metal
switch |
 | 5280W max. on 240V |
 | CT410A - 2 wires / single pole |
 | CT410B - 4 wires / single
pole; positive off |
 | Compatible with
resistive-rated fan-forced heaters |
 | Compatible with electric
baseboard heat and convectors |
#19 - Digital Manual - Model
RLV3100A Buy Now!
 | TRIAC silent switching
for accurate temperature control of +/- 0.15°C |
 | Easy-to-read backlit display |
 | 3000W max. on 240V |
 | Easy to install and use |
 | 100% silent - no clicking
noise |
 | 2 wire |
 | Not compatible with fan-forced
heaters |
 | Compatible with electric
baseboards, convectors and radiant ceilings |
#20 - Manual Baseboard Heat -
Model CT60A Buy Now!
 | Easy to install |
 | Durable long life bi-metal
switch |
 | 5280W max. on 240V |
 | Compatible with
resistive-rated fan-forced heaters |
 | Compatible with electric
baseboards and convectors |
* All digital thermostats shown above can display
either °C or °F.
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