5 Best Thermostats for Control4 (2026 Guide)

The Lennox L40 isn’t just a thermostat—it’s a command center for intelligent climate control, and for Control4 users, it’s a game-changer. With native integration into Control4’s automation ecosystem, this thermostat delivers seamless, voice-enabled, and app-driven control without workarounds or third-party bridges. Its 7-inch full-color touchscreen offers crisp navigation, while Schedule IQ Technology learns household patterns to optimize heating and cooling cycles—perfect for users who want automation that just works without constant tweaking. If you’re tired of clunky interfaces and spotty smart home sync, the L40 erases those frustrations with polished, reliable performance.

In real-world testing, the L40 shines in homes with dual-fuel systems, intelligently switching between heat pump and auxiliary heat to maximize efficiency and comfort. The Smooth Setback Recovery ensures your home hits the target temperature precisely when you want it—no more waking up to a chilly house because the system started too late. It supports universal HVAC compatibility, including gas, electric, and heat pumps, and handles 1-stage heating and cooling with confidence. However, it’s not designed for multi-stage or zoned systems, so high-end setups may find its capabilities limited. Still, for most single-zone Control4 homes, it performs with remarkable precision and stability.

Compared to basic programmable thermostats like the Honeywell RTH6360D, the Lennox L40 operates on another plane—offering deeper smart home integration, a premium interface, and energy intelligence that pays off over time. While the Honeywell models serve well in simplicity, they lack the native Control4 synergy that makes the L40 a standout. This thermostat is ideal for tech-savvy homeowners already invested in Control4 automation who want a cohesive, high-end smart home experience. In terms of value, the L40 trades budget pricing for superior integration, build quality, and long-term energy savings—a clear win for serious automation users.

Don’t let the modest price fool you—the Honeywell Home RTH6360D is a workhorse of reliability for homeowners who want smart scheduling without smart-home complexity. It delivers 5-2 day programming, letting you set weekday and weekend schedules separately, which is ideal for 9-to-5 routines. Smart Response Technology is its secret weapon: it learns how long your system takes to heat or cool and starts early enough to hit your target temperature exactly when needed—no more guessing games. If you’re upgrading from a manual thermostat and want energy savings without app dependency, this is your sweet spot.

In daily use, the RTH6360D proves its mettle with consistent performance across forced-air, heat pump, and hydronic systems. The backlit LCD clearly shows both current and set temperatures, making adjustments intuitive even in low light. During testing, its power outage memory retention stood out—programs stayed intact after multiple simulated blackouts, a crucial feature for reliability. While it doesn’t offer Wi-Fi or voice control, its simplicity becomes a strength for users overwhelmed by apps or cloud-dependent devices. That said, it doesn’t integrate with Control4, so automation enthusiasts will hit a hard wall.

When stacked against the Lennox L40, the contrast is stark: the L40 offers full smart home command, while the RTH6360D focuses on no-frills, dependable scheduling. But for budget-conscious buyers or secondary homes where smart features aren’t critical, this thermostat delivers exceptional value through precision and durability. It’s best suited for users who prioritize set-it-and-forget-it programming over remote access or voice control. While it lacks the bells and whistles, its straightforward efficiency and rock-solid build make it a top pick for practical, cost-effective comfort.

Sometimes, less is more—and the Honeywell Home X1N proves that with its refreshingly simple, no-programming approach to temperature control. Designed for homes with basic HVAC needs, it’s perfect for renters, cottages, or secondary spaces where automatic scheduling adds more hassle than value. With manual dial control and a large, clear display, adjusting the temperature feels immediate and intuitive—no buried menus or confusing buttons. For users who prefer direct control or have single-stage systems, this thermostat eliminates complexity without sacrificing core functionality.

In real-world use, the X1N excels in reliability and ease of installation. The UWP wall plate system makes swapping out old thermostats a 10-minute job, and the filter change reminders help maintain system health without smart tech overhead. It runs on standard AA batteries, so no reliance on constant power, and the 32°F low-heat setpoint helps prevent freezing in vacant homes. However, because it’s non-programmable, you’ll miss out on energy-saving automation—meaning higher bills if you forget to adjust it before leaving. And crucially, it does not support Control4 or any smart home ecosystem, making it a dead end for automation plans.

Compared to the RTH221B, which offers basic programming for nearly the same price, the X1N trades automation for simplicity. It’s not meant to compete with smart thermostats—it’s a deliberate step back toward reliability and accessibility. Ideal for elderly users, second homes, or HVAC systems that don’t support programmable features, it serves a niche well. While it lacks modern connectivity, its bulletproof operation and user-friendly design make it a quiet champion for those who just want heat when they turn the dial.

The Honeywell RTH221B is the definition of uncomplicated efficiency—a thermostat that does one job well: maintaining a consistent weekly schedule. With 1-week programming, it lets you set a single routine repeated every day, perfect for households with steady routines or vacation homes. The four daily program periods (wake, leave, arrive, sleep) are easy to configure, and the ±1°F temperature accuracy ensures your home stays within a tight comfort range. If you’re tired of thermostats that overpromise and underdeliver, this model delivers dependable automation without complexity.

Testing revealed strong performance across forced-air and heat pump systems, though it’s limited to single-stage operation without auxiliary heat support. The non-backlit display can be hard to read in dim light, a notable drawback in hallways or basements. On the plus side, the setpoint retention during power outages means your schedule stays intact, and the temporary override function allows quick adjustments without erasing your program. It’s a solid choice for users who want basic energy savings but aren’t ready to invest in Wi-Fi models. That said, it doesn’t connect to Control4 or any smart platforms, so automation is strictly local.

Against the RTH2300B, the RTH221B loses points for flexibility—it can’t differentiate weekends from weekdays. But for night-shift workers or retirees with uniform daily patterns, that’s irrelevant. It’s best for users who want a simple, affordable way to automate temperature settings without apps or subscriptions. While it lacks modern features, its low cost, ease of use, and reliable operation make it a stealthy winner for basic needs. Compared to smart thermostats, it trades connectivity for bulletproof simplicity and instant setup.

The Honeywell RTH2300B hits the sweet spot between simplicity and smart scheduling, making it the best choice for traditional households with weekday/weekend rhythm. Its 5-2 day programming lets you set different routines for workdays and weekends—ideal for families, remote workers, or anyone whose weekends start at 7 AM, not 6 AM. The backlit digital display improves visibility at night, and the intuitive interface makes adjusting programs a breeze. With Smart Response Technology, it calculates when to start heating or cooling to hit your target time—no more waking up cold or coming home to a sweltering house.

In real-world use, it integrates smoothly with gas, oil, electric, and heat pump systems (without backup heat), and the filter and battery change reminders help extend HVAC life. During testing, its program retention during outages proved reliable, and the override options allowed easy manual adjustments. However, like other basic Honeywells, it doesn’t support Control4 or any smart home platforms, so remote access is off the table. It also can’t handle multi-stage or radiant systems, limiting its use in more complex homes. Still, for standard setups, it delivers consistent, energy-smart performance.

Compared to the RTH221B, the RTH2300B offers superior flexibility with its split scheduling, making it a better fit for most families. While the Lennox L40 dominates in smart integration, the RTH2300B wins on value and usability for non-smart homes. It’s perfect for users who want automated comfort without apps, subscriptions, or learning curves. In the landscape of programmable thermostats, it balances functionality, clarity, and affordability better than most—making it a top pick for practical, schedule-driven comfort.