Questions and Answers for LUX/GEO 7-Day Wi-Fi Programmable Thermostat in White

A:  It's adjustable.

A:  I have no idea what you're asking? Differential settings? Please define. It is adjustable - but what types of adjustments are you looking for?

A:  Yes the LUX Geo does the have an adjustable temperature swing feature from swing #1; .25 degrees F to swing #9; 2.25 degrees F. Which will widen or shorten your cycles and can be adjusted whenever you desire. LUX Technical Support

A:  yes if they have a thermostat now. however you may need a 24v transformer if the existing thermostat does not have a functioning 24v wire.

A:  No.

A:  The Lux Geo will not work with electric baseboard heating because most of those systems are Line voltage. (240/120 volts) The Lux Geo is a low voltage (24v) thermostat.

A:  Yes it will work with baseboard heating systems. Each zone will needs its own thermostat.

A:  if you have a thermostat for each zone now then yes one for one replacement. there is probably a way to make it just use 1 thermostat. but you need a professional to figure it out.

A:  You will require a thermostat for each zone. In this case, a Geo for each.

A:  Yes, it is a one/one replacement

A:  Yes, our propane heating furnace has only 2 wire and works perfectly with the GEO. You must use the batteries to control the console. No Alexa compatibility.

A:  This thermostat is compatible with a two wire heat only system and will require you to use batteries as the power source.

A:  Yes

A:  it will work but you need to buy a transformer to have the batteries last. without the transformer the battery life is too short

A:  Not sure regarding this - but their website is very good, including schematics. I've never personally seen a two-wire system - but hope you get the answers you're looking for on their site. All the best

A:  Yes. You can set both low and high temperature alarm settings. An alarm message can be sent via an email.

A:  Yes, you can set up an alarm in the app.

A:  Yes there is a High and Low temperature alarm which will be sent to your phone or tablet. LUX Technical Support

A:  The Cadet Soft Heat Hydronic baseboard heater requires a line voltage thermostat (120 volt a.c. - 240 volts a.c.). The Lux Geo is a low voltage thermostat 24 to 30 volts maximum and is therefore incompatible. LUX Technical Support

A:  If the existing system has a standard household thermostat now then yes.

A:  The backlight goes on when you touch the disc, for about 3 seconds. The display goes off at night entirely. Also, there are 3 settings for the display behavior to optimize battery life.

A:  The backlight goes dark a few second after any adjustments to the settings.

A:  it goes out after a short time

A:  You can fix it so it does either way. Your option. Easy.

A:  If you are using batteries the screen will fade to preserve battery life. If you are using system power or USB you can set the back-light to be always on.

A:  Your LUX Geo display temperature will be shown continuously if you have a 24 volt "C" common wire attached to the C terminal. If powered by batteries alone the display will go to sleep during your temperature setback periods to conserve battery power. To see the room temperature press the blue triangle symbol to illuminate the display. LUX Technical Support

A:  My unit is battery operated (no c wire) and only the room temperature is shown. It is shown in very large and easy-to-see numbers. When I touch the dial, the remaining information appears on the screen. This additional information is what you see on the picture of the thermostat. The back light that comes on makes this additional information easily readible.

A:  The screen is always on but you have to touch it for back light.

A:  At this time the Lux Geo is only compatible with Amazon Alexa.

A:  This thermostat works purely through the LUX server so that it will not communicate with your smart home hub but only through the LUX app and even then it is an appliance to server communication. Also, ECHO compatability is not available at this writing.

A:  Your thermostat's connection is password protected. When you set up your internet connection the thermostat will display a password which you will use to connect your phone/table to the thermostat.

A:  Yes, all appliances are individually, separately connect to the LUX server.

A:  NO connect to your personal home router only which will be password protected; then connect to your phone or tablet. LUX Technical Support

A:  No, connection to public internet is not required for Wifi.

A:  You only have to connect it to your own personal Internet/router. Then you can connect with your phone or tablet to ser temp. Etc.