Honeywell TH2110DV1008 PRO 2000 vs Pro1 T705: Which Digital Thermostat Fits the Job

The Honeywell TH2110DV1008 PRO 2000 and the Pro1 T705 are both single-stage 1H/1C programmable thermostats aimed at the same basic job, so the decision comes down to a few practical differences rather than a long feature list. The Honeywell is the more established, dual-powered option with a backlit vertical display. The Pro1 is the cheaper, simpler buy that is popular with budget-conscious installers.

This comparison reads the two side by side on build, power, programming and price tier so a buyer can settle on one without scrolling through spec sheets.

Honeywell TH2110DV1008 PRO 2000 Vertical Programmable Thermostat

Type: Vertical programmable thermostat
System Compatibility: 1 heat / 1 cool (1H/1C)
Display: Backlit
Power Source: Dual powered
Series: PRO 2000
Mounting Orientation: Vertical

The PRO 2000 is built around the conventional single-stage setup that most gas furnaces, air handlers and basic AC systems use, so it drops into a standard 1H/1C wiring scheme without adapters. The vertical orientation is a deliberate choice for wall placements where a horizontal unit would look off or crowd a door frame. The backlit display keeps the setpoint and schedule readable in a dim hallway or basement.

Dual power is the detail that separates it from the cheaper pick. The thermostat can run from the system’s low-voltage wiring and still hold its settings and clock through an outage, which matters in older homes where a single power path is unreliable. The PRO 2000 name places it in Honeywell’s contractor-oriented line, so the housing and button layout are meant for a professional install that a confident DIYer can follow.

Trade-off: The vertical form factor limits placement, and a homeowner with a horizontal wall cutout or an existing horizontal backing plate will be doing extra patching work before this one goes on.

Check the Honeywell TH2110DV1008 PRO 2000 price on Amazon

Pro1 T705 Programmable 1H/1C Digital Thermostat

Type: Programmable digital thermostat
System Compatibility: 1 heat / 1 cool (1H/1C)
Display: Digital
Series: T705
Programming: Programmable schedule
Power Source: System-powered (wired)

The T705 covers the same 1H/1C territory as the Honeywell, which means it handles the same single-stage furnace-and-AC combinations and the same four-wire-plus wiring most homes already have. The Pro1 name is a familiar one in the trade-supply channel, and the T705 is priced as an everyday replacement rather than an upgrade. The digital display and programmable schedule cover the basics: set a weekday and weekend pattern, then leave it alone.

Where the T705 earns its place is on cost and simplicity. A homeowner replacing a failed thermostat in a rental unit, a garage office or a second property gets the same core function for less money and a straightforward install. The trade-off is that it asks the buyer to give up the extras rather than offering them at a discount.

Trade-off: The T705 is a budget-tier unit, so the build feels lighter in the hand than a contractor-grade model and there is no backlight or dual-power redundancy to fall back on when the wiring side gets temperamental.

Check the Pro1 T705 price on Amazon

Honeywell PRO 2000 vs Pro1 T705 Side by Side

Feature	Honeywell TH2110DV1008 PRO 2000	Pro1 T705
System type	1H/1C single stage	1H/1C single stage
Display	Backlit	Digital
Power	Dual powered	System-powered
Orientation	Vertical	Standard wall mount
Programming	Programmable	Programmable
Series / line	PRO 2000 (contractor line)	T705 (trade line)
Price tier	Mid	Budget
Best for	Backlit readability and power redundancy	Lowest-cost like-for-like replacement

The table shows two thermostats that agree on the fundamentals and split on the details. Both handle a single-stage heat and cool system, both are programmable, and both mount on a standard low-voltage wall plate. The differences sit in the display, the power arrangement, the orientation and the price tier.

Read down the "Display" and "Power" rows first, because those are the two lines that change the day-to-day experience. A backlit screen and dual power are convenience and reliability features, not performance features; neither thermostat will heat or cool a room better than the other. What a buyer is paying for with the Honeywell is the ability to read the setpoint in the dark and to keep the schedule through a power interruption.

The orientation row matters more than it looks. A vertical thermostat needs a vertical opening in the wall, and a buyer replacing a horizontal unit will be filling and repainting before the new one sits flush. That is a real cost in time even when the unit itself is the better product.

The last row is the honest summary: the Pro1 wins on price, the Honeywell wins on features, and the gap is small enough that the right answer depends on the wall and the wiring, not on brand loyalty.

Which Should You Buy?

The decision splits cleanly once the wall and the wiring are known.

Choose the Honeywell TH2110DV1008 PRO 2000 if the wall cutout is already vertical, the existing thermostat has a C-wire or the buyer wants the unit to hold its schedule through outages, and a backlit display is worth paying a little more for. It suits a main-home install where the thermostat is looked at every day.

Choose the Pro1 T705 if the goal is a like-for-like replacement at the lowest cost, the wall plate is already standard orientation, and the extra features on the Honeywell would go unused. It fits rentals, outbuildings and second properties where simple and cheap beats feature-rich.

Buyers who are unsure should check the existing wall opening and count the wires before ordering either one. That five-minute check settles the comparison faster than any spec sheet.

FAQ

1. Are the Honeywell PRO 2000 and Pro1 T705 interchangeable?
   Both are 1H/1C programmable thermostats, so they control the same single-stage systems. The Honeywell is vertical and the Pro1 is a standard mount, so the wall opening and plate are the parts that decide whether a swap is direct.

2. Does the Pro1 T705 need a C-wire?
   The T705 is system-powered, which means it draws from the thermostat wiring. A buyer should confirm the existing wiring provides a consistent power path before installing it.

3. What does dual powered mean on the Honeywell?
   The PRO 2000 can run from the system wiring and still keep its settings and clock through a power interruption, which is the practical benefit of the dual-power design.

4. Is a backlit display worth the extra cost?
   It is a convenience feature. A backlit screen helps in hallways, basements and bedrooms where the thermostat is checked after dark, but it does not change heating or cooling performance.

5. Which one is better for a rental property?
   The Pro1 T705 fits the rental case well because the price is lower and the function is the same. The Honeywell makes more sense when the property’s wall is already set up for a vertical unit.

6. Can either thermostat run a heat pump?
   Both are listed as 1H/1C single-stage units, which is the conventional furnace-and-AC configuration. A heat pump with auxiliary or emergency heat needs a different thermostat.

7. Do both thermostats support a programmable schedule?
   Yes. Both are programmable, so a buyer can set a weekday and weekend pattern on either unit.

Bottom Line

The Honeywell TH2110DV1008 PRO 2000 is the better pick for a main home where the wall is already vertical and the backlit, dual-powered design earns its keep, while the Pro1 T705 is the smarter buy for a straight replacement on a budget. Check the wall opening and the wiring first, then take the Honeywell TH2110DV1008 PRO 2000 if the features matter or the Pro1 T705 if price is the deciding line.