7 Best Smart Thermostats for Gas Fireplaces 2026

This budget-friendly smart thermostat delivers essential control without the complexity, making it ideal for users who want to upgrade from a manual switch but aren’t ready to dive into full smart home integration. Its plug-and-play compatibility with millivolt systems is a game-changer—no rewiring or professional installation needed. The large backlit LCD screen and intuitive button layout make adjusting settings from across the room effortless, while the built-in safety lock prevents accidental activation by kids or pets, addressing a real concern for family households.

In real-world use, the remote reliably maintains room temperature within a 65-foot range using its internal sensor, toggling the fireplace on and off in response to ambient shifts. It operates purely as a wireless switch—passing existing millivolt signals—so it won’t work with powered systems over 24V. While it lacks Wi-Fi or app control, its AUTO/ON/OFF modes provide basic automation, keeping your space comfortable without constant manual input. However, users should note that battery life isn’t stellar under heavy winter use, and signal can weaken through thick walls or metal obstructions.

Compared to Wi-Fi-enabled models like the Durablow SH3002D-RH, this unit trades connectivity for simplicity and affordability. It’s best suited for second homes, cabins, or primary residences where occupants prefer tactile, immediate control over cloud-based scheduling. For those seeking core thermostat functionality without subscriptions or apps, the DIGITEN kit offers solid value—delivering reliable performance at a fraction of the cost of smart-connected alternatives.

If you’re looking to bring your gas fireplace into the smart home era, the Durablow SH3002 stands out as a highly functional, Wi-Fi-powered thermostat that bridges the gap between affordability and intelligent control. Its seamless integration with the free Smart Life app allows you to manage your fireplace from anywhere, set custom schedules, and even create scenes that sync with other smart devices—perfect for pre-heating the living room before you get home. With Alexa and Google Assistant support, voice commands make operation effortless, adding a layer of convenience that basic remotes simply can’t match.

During testing, the 6-foot detachable thermostat probe proved invaluable, accurately measuring room temperature away from the heat source for more consistent climate control. The unit connects directly to millivolt valves (TH/TH-TP terminals) and works flawlessly with IPI modules, making it compatible with a wide range of fireplaces. Setup requires a 2.4GHz network only—no 5GHz support—but pairing was quick, and the cUL-listed power adapter ensures safe, continuous operation. That said, it’s not designed for unattended use, and the lack of 5GHz Wi-Fi may frustrate users with congested networks.

When stacked against the DIGITEN model, the SH3002 offers far greater automation and remote access, though it demands a stable internet connection and app familiarity. It’s ideal for tech-savvy homeowners who want energy-saving scheduling and remote control without investing in premium dual-band models. For the price, it delivers exceptional smart functionality, outperforming many higher-end kits in usability and integration.

For users who value rock-solid reliability over smart features, the Durablow TR1003 is a no-nonsense, battery-powered thermostat built for dependable, local control of millivolt gas fireplaces. Its RF-based system operates without Wi-Fi, eliminating connectivity issues and ensuring consistent performance even during power outages—as long as the thermopile generates voltage. The 20-foot non-directional signal holds strong through walls, and the integrated thermostat mode automatically cycles the fireplace based on room temperature swings of 1°F, 2°F, or 3°F, giving you precise comfort tuning.

In practice, the TR1003 excels in cabins, basements, and older homes where internet access is spotty or unnecessary. The LCD screen with clear temperature readout and tactile buttons make adjustments intuitive, while the childproof safety lock adds peace of mind. It installs easily across a wide range of systems, replacing outdated wall switches with minimal effort. However, the shorter range compared to Wi-Fi models and lack of remote access mean you’re confined to local control only—limiting its appeal for larger homes or tech-forward users.

Against the SH3002, the TR1003 wins on simplicity and resilience, trading cloud features for bulletproof RF operation. It’s perfect for users who want hands-off temperature regulation without relying on apps or internet. For those prioritizing dependable, maintenance-free function, this model offers a smarter alternative to basic on/off remotes—delivering automation where it matters, without digital baggage.

The Durablow SH3002D-RH is the undisputed king of smart fireplace control, combining dual-band Wi-Fi (2.4GHz and 5GHz) with full app, voice, and remote handset functionality for a truly seamless experience. Unlike single-band competitors, its 5GHz support reduces lag and interference, ensuring responsive commands even on busy networks—critical for users with multiple smart devices. The Smart Life app unlocks powerful automation: set daily schedules, create scenes (e.g., ‘Movie Night’ dims lights and fires up the fireplace), and share access with family members. With Alexa, Google, and Siri compatibility, control is always within reach.

Real-world testing confirmed its 6-foot wired thermostat sensor provides accurate ambient readings, avoiding false cycling caused by radiant heat near the unit. The included remote handset adds instant tactile control—perfect when your phone is out of reach. Installation is straightforward for millivolt and IPI systems, though the receiver must stay below 130°F. While it requires constant power via USB adapter, the trade-off is continuous connectivity and reliable automation. One minor drawback: battery corrosion can occur if non-lithium cells are used, so Durablow’s Energizer recommendation should be heeded.

Compared to the SH3002, the SH3002D-RH adds 5GHz Wi-Fi and a more robust remote, justifying its position as the best overall choice. It outclasses budget models in speed, stability, and feature depth, making it ideal for primary living spaces where performance and integration matter most. For users wanting the most advanced, future-proof control, this model sets the gold standard—offering unmatched versatility and responsiveness in one sleek package.

With its sleek blue-backlit touch screen, this thermostat brings a modern, high-end aesthetic to gas fireplace control—standing out in a market dominated by clunky button-based remotes. The capacitive touch interface feels responsive and intuitive, allowing quick access to temperature settings, timer functions, and child lock with just a tap or swipe. Pre-programmed pairing means setup is nearly instant: insert batteries, connect to TH/TH-TP terminals, and you’re ready to go—ideal for DIYers who want a hassle-free upgrade. The 18-inch wiring harness offers flexibility during installation, and compatibility spans major brands like Ambient, Majestic, and Vermont Castings.

In daily use, the LCD clock and temperature display remain highly legible, even in low light, and the 3-second press-to-set clock function simplifies scheduling. Temperature adjustments between Fahrenheit and Celsius are handled via a simple button combo, and the child-proof lock activates with a 5-second button sequence—secure but not overly complex. However, the touch screen can be overly sensitive, occasionally registering accidental touches, and it lacks Wi-Fi or app integration, limiting remote access. Signal range is solid but not exceptional, performing best within line of sight.

Against the DIGITEN model, this kit offers a more premium feel and better visual feedback, though both serve similar basic automation roles. It’s best for users who prioritize design and ease of use over smart features—perfect for modern living rooms where the remote becomes part of the decor. While it doesn’t match the SH3002D-RH in intelligence, it delivers style and functionality in a rare combination for non-WiFi kits.

As the genuine OEM solution for Heat-N-Glo and other Skytech-compatible fireplaces, the Smart Stat II/III offers unmatched authenticity and compatibility—making it the go-to choice for users replacing a lost or broken original remote. Unlike third-party kits, this factory-built system ensures perfect synchronization with your fireplace’s millivolt valve, eliminating guesswork and compatibility risks. It features RF-based operation with over 1 million security codes, ensuring interference-free communication within a 20-foot range. The inclusion of batteries and a wall holder right out of the box adds immediate convenience, a small but meaningful touch.

In real-world use, the Smart Stat performs reliably in thermostat mode, maintaining room temperature by cycling the fireplace on and off based on ambient changes. The manual override allows for instant ON/OFF control, ideal for quick adjustments. However, it lacks modern features like app control, scheduling, or voice integration—functions now expected in smart thermostats. Its non-backlit screen can be hard to read in dim lighting, and the 20-foot range may struggle in larger rooms or through multiple walls.

Compared to the Durablow TR1003, it offers similar functionality but with tighter brand-specific optimization. It’s not the most feature-rich option, but for users who want plug-in confidence and OEM reliability, it’s unmatched. If you own a Skytech-integrated system and want guaranteed compatibility without compatibility charts or adapters, this remote is the safest, most straightforward path to restoration—delivering peace of mind above all.

The Durablow SH3002-RH strikes a brilliant balance between smart features and hands-on control, making it the best value choice for users who want both app-based automation and a physical remote. It runs on 2.4GHz Wi-Fi with Smart Life app support, enabling remote scheduling, voice control via Alexa and Google, and scene creation—all without a hub. The included remote handset ensures you’re never dependent on your phone, offering instant ON/OFF and thermostat adjustments from the couch. This dual-control approach is especially useful during network outages or for less tech-comfortable family members.

During testing, the 6-foot detachable thermostat sensor delivered accurate room readings, preventing overheating by measuring ambient air away from the fireplace’s radiant heat. Setup was smooth, with clear pairing instructions and cUL-certified power supply for safe long-term use. However, like other 2.4GHz-only models, it can struggle on crowded networks, and the lack of 5GHz support may limit performance in dense smart homes. The remote requires separate batteries (not included), which can be an oversight for first-time buyers.

Against the SH3002, the SH3002-RH adds the convenience of a physical remote, justifying its “Best Value” title. While the SH3002D-RH offers superior 5GHz Wi-Fi, this model delivers 90% of the functionality at a lower complexity and likely cost. For users who want smart scheduling and voice control without sacrificing tactile feedback, the SH3002-RH hits the sweet spot—offering versatility, reliability, and ease of use in one well-rounded package.