Honeywell TH1110DV1000/U Pro 1000 Vertical Non-Programmable Thermostat Review: The No-Frills Champion for Simple, Reliable Heating

There’s a certain kind of frustration that feels unique to homeownership. For me, it was the nightly dance with our old, analog thermostat in our workshop. It was a classic beige dial, a relic that seemed to measure the room’s temperature based on its mood rather than actual science. One night it would be a sauna, the next an icebox, despite the dial being set to the exact same position. The constant fiddling, the guessing games, and the wild temperature swings were more than just an annoyance; they resulted in wasted energy and genuine discomfort. We knew we needed an upgrade, but the thought of navigating complex programmable schedules, Wi-Fi setups, and a dozen tiny buttons felt like trading one problem for another. We weren’t looking for a smart home command center; we were searching for simple, reliable, and accurate temperature control. This search is what led us to test the Honeywell TH1110DV1000/U Pro 1000 Vertical Non-Programmable Thermostat, a device that promises to do one thing and do it exceptionally well.

Honeywell TH1100DV1000/U Pro 1000 Vertical Non-Programmable Thermostat
  • 4 11/16 in. High x 2 7/8 in. Wide x 1 1/8 in. Deep
  • Premier white color

What to Consider Before Buying a Non-Programmable Thermostat

A thermostat is more than just an item on your wall; it’s the key solution for maintaining comfort and controlling your HVAC system. In a world increasingly dominated by smart gadgets and complex automation, the non-programmable thermostat holds its ground by championing simplicity and reliability. It addresses the core problem of inaccurate or failing old thermostats without introducing the learning curve or potential connectivity issues of its “smarter” cousins. The main benefit is straightforward, set-it-and-forget-it operation. You choose a temperature, and the thermostat works to maintain it. There are no schedules to program, no apps to download, and no Wi-Fi passwords to enter. It’s pure, unadulterated climate control.

The ideal customer for this type of product is someone who values simplicity and has a relatively consistent daily schedule. This includes landlords who want a tamper-proof, easy-to-use device for their tenants; seniors who may find complex interfaces confusing; and homeowners with workshops, garages, or vacation cabins where a constant temperature is desired without the need for daily adjustments. As many users have found, it’s also a perfect, modern upgrade for RVs and travel trailers. Conversely, it might not be suitable for those with highly variable schedules who want to maximize energy savings by setting back the temperature when they’re away or asleep. For those users, a programmable or Wi-Fi model would be a better investment.

Before investing, consider these crucial points in detail:

  • Dimensions & Space: Not all wall spaces are created equal. The Honeywell TH1110DV1000/U Pro 1000 Vertical Non-Programmable Thermostat features a distinct vertical orientation (4 11/16 in. High x 2 7/8 in. Wide). This is a critical design choice, making it a perfect fit for narrow wall sections between doorways or trim where a standard horizontal thermostat simply won’t fit. Always measure your available space to ensure a clean installation.
  • Compatibility/Performance: This is the most critical factor. This thermostat is designed for simple systems. It works perfectly with standard 2-wire heat-only systems (like furnaces or boilers) and is also compatible with millivolt systems, such as those found in some gas fireplaces. Its digital sensor offers precise temperature control, often within one or two degrees of the set point, which is a massive performance leap from the 5-10 degree swings common with old mercury or bimetallic-strip models.
  • Materials & Durability: The unit is housed in a clean, sturdy plastic casing in a “Premier White” color that blends well with most interiors. While robust for normal household use, it’s important to consider the environment. One user noted that their display’s readability degraded over several years in a very humid, non-air-conditioned brick house, suggesting that in consistently high-humidity environments, the longevity of the LCD screen could be a concern.
  • Ease of Use & Maintenance: The Pro 1000 is the definition of user-friendly. It features a large, backlit digital display and simple up/down buttons for temperature adjustment. Maintenance is minimal; it runs on 2 AAA batteries, and the unit provides a 60-day low-battery warning on the screen, giving you ample time for a replacement without any guesswork.

Keeping these factors in mind, the Honeywell TH1110DV1000/U Pro 1000 Vertical Non-Programmable Thermostat stands out in several areas, particularly for its straightforward design and specific application benefits. You can explore its detailed specifications and see if it fits your system.

While the Honeywell TH1110DV1000/U Pro 1000 Vertical Non-Programmable Thermostat is an excellent choice for simplicity, if you’re exploring the world of advanced programmable technology for other areas of your life—like for educational fun with your kids—we have a comprehensive guide you’ll find fascinating.

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Unboxing the Honeywell Pro 1000: A First Look at Simplicity in Design

Our experience with the Honeywell TH1110DV1000/U Pro 1000 Vertical Non-Programmable Thermostat began with a simple, no-fuss unboxing. The unit arrived in a straightforward package containing the thermostat itself, a wall plate, mounting screws and anchors, and a clear instruction manual. While we’ve seen isolated user reports of damaged packaging during shipping, our unit arrived in perfect condition. The first thing we noticed was its incredibly light weight—at under 2 ounces, it feels modern and efficient. The “Premier White” finish is clean and unobtrusive, designed to blend into the background rather than make a statement, which we appreciate for a utility device. Its vertical shape was immediately apparent and a key reason we chose it for testing, knowing it would fit perfectly on the narrow wall stud next to our workshop door.

Compared to the clunky, round dial it was replacing, the Pro 1000 felt like a significant leap forward. The digital screen is large and uncluttered, and the two soft-touch buttons for temperature adjustment have a satisfying, non-clicky feel. Turning it over, the wiring terminals were clearly labeled (R and W for a basic heat system), promising the simple installation we were hoping for. There are no hidden panels, complex dip switches, or confusing settings to configure out of the box. It’s a beautifully simple device that exudes functionality from the very first touch.

Key Benefits

  • Extremely straightforward 2-wire installation, perfect for DIY
  • Vastly improves temperature accuracy and reduces swings
  • Clear, bright, backlit display for easy reading in any light
  • Versatile compatibility, including hard-to-find millivolt system support
  • Slim vertical design fits in narrow installation spaces

Potential Drawbacks

  • Lacks any programmable features for automated energy savings
  • LCD screen may have long-term durability issues in high-humidity environments

Putting the Honeywell TH1110DV1000/U Pro 1000 to the Test

A thermostat’s true worth is proven not on a spec sheet, but on the wall, day after day. We put the Pro 1000 through its paces, focusing on the core areas that matter most to a user seeking simplicity and reliability: installation, performance, usability, and its ability to handle unique heating setups.

Installation: A True DIY-Friendly Upgrade

We can confidently say that installing the Honeywell TH1110DV1000/U Pro 1000 Vertical Non-Programmable Thermostat is one of the easiest home improvement projects you can undertake. Our experience mirrored that of countless users who praise its simplicity. The process began with shutting off the power to our furnace at the breaker—a critical safety step. Removing the old mercury-based thermostat involved just two screws and carefully disconnecting the two wires from its terminals.

The Honeywell Pro 1000’s backplate mounted easily to the wall using the provided screws. The terminals for the two wires (typically ‘R’ for power and ‘W’ for heat) are clearly marked and feature simple screw-down clamps that secure the wires firmly. There was no ambiguity, no need to consult complex wiring diagrams for our basic furnace setup. From start to finish, the physical installation took less than 10 minutes. This ease of installation is a recurring theme among users, with one person noting it was a “super easy replacement” for the stock thermostat in their trailer, and another confirming it was an “exact replacement” for their old 2-wire device. The vertical design was, for us, a problem-solver, fitting perfectly where a wider, horizontal model would have overlapped with door trim. For anyone intimidated by home wiring, this thermostat is the perfect entry point.

Performance and Accuracy: The End of Temperature Swings

This is where the Honeywell TH1110DV1000/U Pro 1000 Vertical Non-Programmable Thermostat truly shines and justifies its existence. The immediate difference in performance was staggering. Our old thermostat subjected us to a frustrating cycle: the workshop would get too cold before the heat kicked on, and then it would run until the space was uncomfortably warm. This is what one user described perfectly when upgrading from their 1950s model, noting the old unit had a “temperature swing was 10 degrees in some rooms.” After installing the new digital Honeywell, they reported that swing was reduced to just one or two degrees. Our results were identical.

The Pro 1000 holds the set temperature with remarkable precision. The heater kicks on gently as the temperature drops just below the set point and shuts off promptly once it’s reached, preventing the over-shooting that wastes energy and causes discomfort. This digital accuracy makes a huge difference in ambient comfort. The interface contributes to this feeling of control. The large, backlit screen is, as one user put it, “on point” for readability, even from across the room or in the middle of the night. The soft, non-clicky buttons are a small but significant detail that adds a touch of quality to every interaction. You’re no longer wrestling with a stiff dial; you’re making precise, one-degree adjustments with a simple touch. The level of consistent comfort and stability we experienced makes this an upgrade we’d recommend without hesitation. You can see for yourself why so many users rave about its accuracy.

Simplicity and Usability: Climate Control Without the Complication

In an age of feature creep, the Pro 1000’s greatest feature is its lack of features. It is proudly, defiantly non-programmable. There is no clock to set, no daily schedules to program, and no app to sync. Its entire operation is handled by two buttons: up and down. This intentional simplicity is its core design philosophy, and it makes the thermostat perfect for its target audience. We found it incredibly refreshing. You set the temperature you want, and you’re done. The screen clearly displays the current room temperature and, when you press a button, shows the set temperature.

This makes it an ideal choice for rental properties, where a complex programmable model can lead to service calls from confused tenants. It’s also perfect for elderly family members who want clear, legible control without navigating menus. The fact that it runs on two AAA batteries is another major plus for older homes, as it doesn’t require a “C-wire” for power, which many older HVAC systems lack. And with the 60-day low-battery warning, you’re never caught by surprise with a dead thermostat on a cold morning. It’s the embodiment of the “keep it simple” principle, and it executes it flawlessly.

Unique Applications: Beyond the Standard Home Furnace

One of the most compelling aspects of the Honeywell TH1110DV1000/U Pro 1000 Vertical Non-Programmable Thermostat, which we discovered through both our testing and user feedback, is its incredible versatility in niche applications. Its popularity among DIYers upgrading their travel trailers, campers, and RVs is a testament to its reliability and simple 2-wire design, which is a common setup in these vehicles. Users consistently report replacing “crappy stock” or “cheap analog” thermostats in their trailers and campers with this model, achieving far more precise temperature control for a more comfortable experience on the road.

Furthermore, and perhaps most importantly for a specific subset of users, is its compatibility with millivolt heating systems. Many digital thermostats require 24V power from the HVAC system to operate, but the battery-powered Pro 1000 can work with the low-power thermopile circuit of a millivolt system. One user detailed their success using it to control an unvented gas log fireplace, allowing them to have thermostatic control while preserving the ability to heat their home during a power outage—something a 24V-powered thermostat could never do. This single feature makes it an invaluable and highly sought-after product for a very specific but critical need.

What Other Users Are Saying

Across the board, user feedback for the Honeywell TH1110DV1000/U Pro 1000 Vertical Non-Programmable Thermostat is overwhelmingly positive, centering on a few key themes. The most frequently praised aspect is its dead-simple installation. Comments like “super easy replacement” and “easy to install” appear constantly. This is closely followed by praise for its accuracy, with one user stating it is “so much more accurate than the old mechanical type thermostats I had.” Another was thrilled that it made a “huge difference” in their trailer, leading to a “happy warm wife.”

The negative feedback is minimal and tends to be quite specific. The most significant concern we found was from a user in a very humid, non-air-conditioned older home who reported that after two years, the “Lighted Panel lost the definition of the numbers.” This suggests that in extreme, sustained humidity, the longevity of the unsealed LCD panel could be a potential issue. Another user mentioned receiving the product in boxes that looked “run over,” which speaks more to a potential shipping and handling issue than a flaw with the product itself, but is worth noting as a possibility.

How Does the Honeywell Pro 1000 Compare to the Alternatives?

While the Pro 1000 excels at simplicity, it’s wise to understand the alternatives, especially if your needs lean towards more features or automation. The market is full of options, but here’s how it stacks up against other popular models from the same family.

1. Honeywell Home RTH2300B1038 5-2 Day Programmable Thermostat

Sale
Honeywell Home RTH2300B1038 5-2 Day Programmable Thermostat, White
  • 5-2 DAY PROGRAMMING: Separate programs for the weekdays and weekends with 4 program periods per day including wake, leave, arrive and sleep
  • PRECISE TEMPERATURE CONTROL: Precise temperature control of plus/- 1 degree Fahrenheit. Temperature range limits allow you to set minimum cooling and...

This thermostat represents the first step up from the Pro 1000. It introduces basic programmability with a “5-2 day” schedule, meaning you can set one program for weekdays and a separate one for the weekend. This is ideal for someone with a traditional work schedule who wants to automatically lower the temperature while they’re away at work or asleep but doesn’t need the complexity of a 7-day schedule. It maintains a simple interface but provides that extra layer of automation for potential energy savings. If you like the simplicity of the Pro 1000 but wish you had just a bit of scheduling, this is your best alternative.

2. Honeywell T6 Pro Wi-Fi Programmable Thermostat

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Honeywell TH6220WF2006/U Lyric T6 Pro Wi-Fi Programmable Thermostat with Stages Up to 2 Heat/1 Cool...
  • Dimensions: 4-1/16 W x 1-3/32 D x 4-1/16 H in.
  • Hardwired - C-wire required

The T6 Pro Wi-Fi is a leap into the smart home world. It offers full 7-day programmability, but its standout feature is Wi-Fi connectivity. This allows you to control your thermostat from anywhere using a smartphone app, and it integrates with smart home ecosystems. It’s designed for the tech-savvy user who wants remote access, detailed scheduling, and the ability to adjust the temperature on the fly. This is the polar opposite of the Pro 1000’s philosophy; choose this if you prioritize features, connectivity, and maximum energy optimization over simplicity.

3. Honeywell T6 Pro Programmable Thermostat

This model is the middle ground between the basic programmable RTH2300B and the Wi-Fi connected T6. It offers the same robust 7-day, multi-period programmability as its Wi-Fi counterpart but without the internet connectivity. This is the perfect choice for someone who wants granular control over their daily heating and cooling schedule but has no interest in smartphone apps or connecting their thermostat to the internet. It provides maximum on-device scheduling for those who want to “set it and truly forget it” without relying on an external network.

Our Final Verdict: Is the Honeywell TH1110DV1000/U Pro 1000 Worth It?

After extensive testing and review, our verdict is a resounding yes. The Honeywell TH1110DV1000/U Pro 1000 Vertical Non-Programmable Thermostat is not trying to compete with the feature-packed smart thermostats of the world, and that is precisely its greatest strength. It delivers perfectly on its promise of simple, reliable, and accurate temperature control. Its easy installation, clear backlit display, and precise performance make it a phenomenal upgrade from older analog models. Its unique vertical shape and compatibility with millivolt systems make it a critical problem-solver for specific installation challenges and heating systems.

We highly recommend this thermostat to landlords, seniors, and anyone with a consistent schedule who values function over frills. It is, without a doubt, one of the best choices on the market for workshops, vacation homes, and as a modern upgrade for RVs and trailers. If you believe that the best technology is the kind you don’t have to think about, the Pro 1000 is built for you.

If you’ve decided the Honeywell TH1110DV1000/U Pro 1000 Vertical Non-Programmable Thermostat is the right fit for your needs, you can check its current price and purchase it here.

Last update on 2025-10-13 / Affiliate links / Images from Amazon Product Advertising API