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Honeywell RTH9585WF1004/W Wi-Fi Smart Color Programmable Thermostat, V. 2.0,"C Wire Required

Honeywell RTH9585WF1004/W Wi-Fi Smart Color Programmable Thermostat, V. 2.0,"C Wire Required

Q: What is the difference between this model and older rth9580wf?

I contacted Honeywell about this. This is their response: "RTH9585 is a newly launched model with a slightly different user interface than RTH9580WF. Also, RTH9585WF has an additional feature of temporary schedule changes wherein you can adjust the Wake, Leave, Return or Sleep periods based on special requirements such as when you wish to activate return period earlier than usual or when you wish to delay the sleep period."

Q: does this thermostat requires "C" wire?

In an HVAC system there is a step-down transformer that takes the 240VAC or 120VAC and steps it down to 24VAC. The primary side of the 24VAC is what has always been connected the R terminal of a thermostat. The secondary side of the 24VAC transformer was not. It is this secondary side of the 24VAC that is needed by newer thermostats. In fact the newer thermostats are powered by the 24VAC. That secondary side is what is connected to the C terminal. If your cable has a spare unconnected wire. It could be connected to the secondary of the transformer and then to the C terminal. To see if it is there but but not connected, us a VOM and set for AC Voltage, put one lead on the R terminal, and the second lead to each unconnected wire(s), one at a time. if it shows 24VAC +/- 4VAC, you found the secondary side. All other wires will show OC or open. That secondary side wire is the C wire

Q: Does this thermostat have a screen lock to prevent guest from tampering with the settings?

Yes, upper and lower limits can be set. Couldn't find anything online to see how to adjust. Chatted with customer service. The thermostat needs to be unlocked. Then press settings in the upper right of the main screen, Scroll down to preferences, and choose advanced preferences. Press next until the temperature limits screen. Adjust. Limits apply to all three modes unlocked, partially, and fully locked.

Q: How does this sense the outside temp and humidity?

It displays outside temp and humidity, but these are local weather conditions from the internet, not sensors at your house.

4.3/5

Product ID: 256537298

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Details

Brand
Honeywell
Controller Type
Push Button
Special Feature
Programmable
Colour
Grey
Specific Uses For Product
Home Heating
Temperature Control Type
Heating

🎨Vibrant color touchscreen display

📶Wi-Fi connectivity for remote control

🌡️Precise heating & cooling management

Frequently Bought Together

Honeywell Home RTH9585WF Wi-Fi Smart Color Thermostat, 7 Day Programmable, Touch Screen, Energy Star, Alexa Ready, C-Wire Required, Not Compatible with Line Volt Heating Gray

Thermostat Wall Plate Replacement for Honeywell - THP2400A1027W Wall Thermostat White Covers Assembly, Suitable for RTH9585WF RTH8560D TH9320wf5003 WiFi Smart Thermostat Back Plate

Description

🌡️ Stay cool, stay warm, stay connected — the future of home comfort is in your hands!

SMART WI FI CONTROL - Manage your home climate from anywhere with seamless app integration.
ENERGY STAR CERTIFIED - Optimize energy use and reduce bills while staying eco-conscious.
PROGRAMMABLE SCHEDULING - Customize your heating and cooling to fit your lifestyle and save energy.
SLEEK WALL MOUNT DESIGN - Modern matte finish and compact rectangular shape complement any home décor.
COLOR TOUCHSCREEN DISPLAY - Intuitive, modern interface that makes programming effortless and stylish.

The Honeywell RTH9585WF1004/W is a Wi-Fi enabled, programmable thermostat featuring a vibrant color touchscreen and Energy Star certification. Designed for precise heating and cooling control, it requires a C-wire and offers remote management via app, combining modern aesthetics with smart home convenience.

Specifications

Brand	Honeywell
Controller Type	Push Button
Special Feature	Programmable
Colour	Grey
Specific Uses For Product	Home Heating, Home Cooling
Temperature Control Type	Heating, Cooling
Connectivity Technology	Wi-Fi
Power Source	Corded Electric
Item Weight	204 g
Voltage	120 Volts
Shape	Rectangular
Display Type	color
Finish Type	Matte
Control Method	Touch
Connectivity Protocol	Wi-Fi
Mounting Type	Wall Mount
Style	Modern
Backlight	No
Specification Met	Energy Star
UPC	085267911313
Global Trade Identification Number	00085267911313
Control Type	Button Control
Country of Origin	China
Item model number	RTH9585WF1004/W
ASIN	B075BF6V58

Have a Question? See What Others Asked

What is the difference between this model and older rth9580wf?

does this thermostat requires "C" wire?

Does this thermostat have a screen lock to prevent guest from tampering with the settings?

How does this sense the outside temp and humidity?

Common Questions

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The delivery time was excellent, and the packaging was secure.

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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