Question 1

Does this have a hysteresis, or "swing" temp control?

Accepted Answer

It does not, but here is a work-around: Honeywell *does* have a control that sets the cycles per hour, this is called "Heating Cycle Rate" and is function #0240 on my Honeywell RTH7600D.  The default for this is "5" cycles per hour, I set mine to "1".  This has minimized annoying and inefficient cycling on my gas furnace.  To make sure I knew exactly what was going on, I also turned off "Smart Response Technology", function #0530.  I am not certain that the "Heating Cycle Rate" numbers correspond *exactly* to cycles per hour, but I believe that they are at least proportionate.  Good luck!

Question 2

Does this need a C wire or  does it run on batteries?

Accepted Answer

This does not need a C wire. It uses two AA batteries. Honeywell (and others such as Trane) use a C wire on models that use WiFi or voice recognition or Z-wave so they can have a 24V connection. All thermostats use low voltage from the other connectors and typically use the batteries as a backup when there's no C wire.  For this thermostat, you can take it off the wall, hold it in your hands and program it. You can't do that on models that don't use batteries. However, those other models can be programmed from a computer or phone app so it's less necessary.

Question 3

Does it have a programmable fan?

Accepted Answer

Depends on your definition of 'programmable'.  It can be set one of two ways:  "On" - fan is always on, "Auto" - fan only runs when heat/cool is on.  Those are the only fan settings.

Question 4

Why would you buy this thermostat over the one that costs $26, also from Honeywell?

Accepted Answer

We bought as the same reason as below.  For us, the Honeywell RTkH7600D offered the possibility of setting automatic individual heat/cool cycles or programs for each day of the week.  The $26 one offers program settings for Monday-through-Friday (one set that applies to all of the 5 weekdays) and a second programmable sets for Saturday and Sunday. We wanted to be able to set different programs for EACH day of the week.  I bought two of these and they work great.

ASIN	B001FWZ7IW
Backlight	Yes
Best Sellers Rank	#298,615 in Home Improvement ( See Top 100 in Home Improvement ) #18 in Home Programmable Thermostats
Brand	Honeywell Home
Colour	White
Connectivity Protocol	BACnet MS/TP
Connectivity Technology	Wired
Control Method	Touch
Control Type	Button Control
Controller Type	touch
Country of Origin	China
Customer Reviews	4.3 out of 5 stars 8,822 Reviews
Display Size	15.24 Centimetres
Display Type	Digital
Enclosure Material	Plastic
Global Trade Identification Number	00085267115216
Included Components	Thermostat, Mounting Hardware, Quick Install Guide
Item Dimensions D x W x H	3.2D x 15.2W x 9.5H Centimeters
Item Weight	0.55 Pounds
Manufacturer	Honeywell Home
Model Name	RTH7600D
Model number	RTH7600D
Mounting Type	Wall Mount
Power Source	Battery Powered
Product Dimensions	3.2D x 15.2W x 9.5H Centimeters
Product Features	Programmable
Product Style	Digital
Shape	Rectangular
Special Feature	Programmable
Specific Uses For Product	Furnace
Temperature Control Type	Heating and Cooling
UPC	085267115216
Unit Count	1.00 Count
Voltage	24 Volts

Honeywell Rth7600d1006e 7 Day Touch Screen Digital Programmable Thermostat

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