Best Phone Controlled Space Heaters of 2026: Smart Warmth You Can Command from Anywhere

You’re curled up on the couch, blanket pulled tight, and the room is still cold. The thermostat is down the hall, and the thought of getting up makes you sigh. Or maybe you’re heading home from work and want your office to be warm by the time you walk in. That’s where a phone controlled space heater changes everything.

These aren’t your grandma’s clunky radiators. Modern smart heaters connect to your Wi-Fi, let you set schedules, adjust temperature from an app, and even respond to voice commands. The best part? You can turn them on from bed, from the car, or from a different city entirely. But with so many models out there, choosing the right one takes a bit of know-how.

I’ve tested and compared five top-rated phone controlled space heaters to help you find the one that fits your space, your habits, and your budget. Whether you need something whisper-quiet for a nursery, powerful enough for a large living room, or compact for a dorm, there’s a pick here for you. Let’s break down the specs first.

Here’s a quick look at how these five heaters stack up on the features that matter most.

Features	SereneLife (Gray)	FLANUR (Smart)	MORENTO	SereneLife (White)	FLANUR (Oscillating)
Heating Power	1500W PTC ceramic	1500W PTC ceramic	1500W PTC ceramic	1500W PTC ceramic	1500W PTC ceramic
Smart Control	Wi-Fi + remote	Wi-Fi + voice	Wi-Fi + voice	Wi-Fi + remote	Wi-Fi + remote + voice
Oscillation	No	70°	70°	No	70°
Noise Level	Whisper-quiet	36dB	36dB	Whisper-quiet	23-36dB
Safety Features	Overheat, tip-over, child lock	V0 flame-retardant, overheat, tip-over, child lock	V0 flame-retardant, overheat, tip-over, child lock	Overheat, tip-over, child lock	ETL-certified, V0, child lock, 24h auto-off

SereneLife Smart Space Heater (Gray)

If you want a straightforward smart heater that doesn’t overcomplicate things, the SereneLife in gray is a solid starting point. It’s a compact cube—about 5.9 x 5.9 x 9.5 inches—that fits neatly on a nightstand, desk, or bathroom counter (though not in the bathroom itself). The built-in carry handle makes it easy to move from room to room, which is great if you work from home and shift between a home office and a living room.

What stands out here is the dual control: you get both Wi-Fi app control and a physical remote. That’s rare at this price point. The remote means you don’t even need to pull out your phone if you’re across the room. The brushless DC motor and winglet fan keep noise low, so it won’t disturb a Zoom call or a baby’s nap. The three modes—Power Heat, ECO, and Fan Only—give you flexibility without overwhelming options.

The trade-off? There’s no oscillation. The heater throws heat in one direction, so you’ll want to position it carefully to warm the area you’re in. It’s also not the most powerful for large spaces—it’s best for small to medium rooms up to about 200 square feet. If you need to heat an entire open-concept basement, this isn’t it. But for a bedroom or office, it’s more than adequate.

• 1500W PTC ceramic heating with three modes
• Wi-Fi app and remote control included
• Overheat, tip-over, and child lock protection
• Brushless DC motor for quiet operation
• Built-in carry handle for portability

Best for: Anyone who wants a simple, reliable smart heater with a remote for quick adjustments without pulling out their phone.

FLANUR Space Heaters for Indoor Use

The FLANUR smart heater is a step up in terms of smart features and coverage. It’s designed for people who want voice control and oscillation. You can use the Havaworks app to set schedules, adjust the thermostat, and switch between four modes: 1500W, 1000W, ECO, and Fan Only. It also works with Alexa and Google Assistant, so you can just say, “Alexa, set the heater to 72 degrees.” The 70-degree oscillation is a game-changer for evenly heating a room—no more cold spots in the corner.

Noise is rated at 36dB, which is about as loud as a library whisper. The LED display shows the current temperature, and you can adjust it only in ECO mode (range: 41-95°F). That’s a bit of a quirk—you can’t manually set a target temperature in the high-power modes. If you want precise temperature control, you’ll need to use ECO mode, which automatically adjusts power to maintain the set point.

The safety package is robust: V0 flame-retardant body, overheat protection, anti-tip switch, dual fuses, and a child lock. After you turn it off, the fan runs for 30 seconds to dissipate residual heat—a nice touch. The main limitation is that the temperature adjustment is locked to ECO mode, which might confuse some users. Also, it only supports 2.4GHz Wi-Fi, so if your router is 5GHz-only, you’ll need to adjust settings. But for most homes, that’s not an issue.

• 4 modes: 1500W, 1000W, ECO, Fan Only
• 70° oscillation for even heat distribution
• Voice control via Alexa and Google Home
• 36dB noise level for quiet operation
• V0 flame-retardant material and dual fuses

Best for: Smart-home enthusiasts who want voice control and even heat coverage in a medium-sized room.

MORENTO Space Heaters for Indoor Use

MORENTO’s offering is nearly identical to the FLANUR in terms of features—same app, same 70° oscillation, same 36dB noise rating, same safety certifications. If you’re comparing the two, the differences come down to minor design details and possibly price. Both use the Havaworks app and support Alexa/Google voice commands. Both have a 12-hour timer and an auto-off after 24 hours. The MORENTO also has a mute function to turn off the LED display and button sounds, which is perfect for light sleepers.

Where MORENTO feels slightly more refined is in the user experience. The app is intuitive, and the heater remembers your last temperature setting when you restart it (as long as it wasn’t shut off by a safety trigger). That’s a small but thoughtful feature. The body is compact and lightweight, so it’s easy to carry between rooms. The 1500W PTC ceramic element heats up in seconds, and the ECO mode adjusts power to save energy.

The trade-off is similar to the FLANUR: temperature control is only available in ECO mode, and the 2.4GHz Wi-Fi requirement might be a hurdle for some. Also, neither heater is recommended for use on soft carpets or in bathrooms, as the safety sensors might trip. If you need a heater for a bedroom or office, this one is a strong contender, especially if you prefer the mute function.

• Wi-Fi and voice control via Havaworks app
• 70° oscillation with 4 modes
• Mute function to disable LED and button sounds
• Temperature memory on normal shutdown
• V0 flame-retardant housing with child lock

Best for: Light sleepers who want a quiet, oscillating smart heater with minimal light and sound disruptions.

SereneLife Smart Space Heater (White)

This white SereneLife model is essentially the same as the gray version, just with a different color to match your decor. If you’re choosing between the two, it comes down to aesthetics. The white finish blends more seamlessly into bright, modern interiors, while the gray has a slightly more industrial look. Both have the same 1500W PTC ceramic heating, three modes, Wi-Fi and remote control, and safety features.

One thing to note: this model doesn’t oscillate, so it’s best for targeted heating—like pointing it at your desk while you work or next to the couch while you read. The carry handle makes it easy to reposition, but you’ll need to adjust it manually if you move around the room. The remote is a nice convenience, especially if you’re sitting under a blanket and don’t want to reach for your phone.

In terms of performance, it heats a small to medium room quickly, and the ECO mode helps keep electricity costs down. The brushless DC motor is quiet, but not as quiet as the FLANUR or MORENTO—it’s more of a soft hum than a whisper. If you’re extremely sensitive to noise, you might prefer one of the oscillating models. But for most people, this is a reliable, no-fuss option that gets the job done.

• 1500W PTC ceramic heating with 3 modes
• Wi-Fi app and remote control
• Overheat, tip-over, and child lock protection
• Compact size with carry handle
• ECO mode for energy savings

Best for: Those who want a clean, white heater that blends into a bright room and prefer simple, direct heating without oscillation.

FLANUR 1500W PTC Ceramic (Oscillating)

This larger FLANUR model is the heavyweight of the group. It’s designed for bigger spaces—up to 300 square feet—and it shows. The 70° oscillation pushes warm air across a wide area, making it ideal for a living room, open office, or large bedroom. It’s also the only one with a 29-inch height, so it stands taller and throws heat higher, which helps distribute warmth more evenly.

The smart features are top-tier: you can control it via the Havaworks app, a physical remote, or voice commands through Alexa and Google Assistant. The built-in memory function restores your last settings, so you don’t have to reconfigure everything each time. The noise level ranges from 23dB on low to 36dB on high—remarkably quiet for a heater of this size. The auto-dimming screen and disableable button sounds mean it won’t disrupt your sleep or focus.

On the downside, it’s bulkier than the others, so it’s not as portable. The carry handle helps, but it’s still a larger unit. Also, the 24-hour auto-shutoff is optional (you have to enable it manually), which is a minor quirk. But if you need serious heating power for a large room, this is the one to get. It’s ETL-certified and built with V0 flame-retardant materials, so safety is solid.

• 1500W PTC ceramic heating for up to 300 sq. ft.
• 70° oscillation with tall 29-inch design
• Remote, app, and voice control
• Noise level as low as 23dB
• ETL-certified with V0 flame-retardant housing

Best for: People who need to heat a large room or open space and want the flexibility of multiple control options.

How We Chose These Products

I focused on five key criteria when selecting these heaters: smart control reliability, heating performance, safety features, noise level, and real-world usability. Each product had to offer genuine Wi-Fi connectivity—not just a remote—and ideally voice control through Alexa or Google Assistant. I also looked for safety certifications like ETL and V0 flame-retardant materials, because a space heater is a fire risk if it’s poorly built.

I compared specs side by side, but I also thought about how each heater would fit into different lifestyles. A single person in a studio apartment has different needs than a family with a large living room. I considered portability, oscillation, timer options, and whether the app actually makes life easier. The goal was to find heaters that don’t just look smart on paper but work well in practice.

Buying Guide: What Really Matters

Before you hit buy, think about the size of the room you need to heat. A 1500W heater can handle up to about 300 square feet, but only if it has good air circulation—oscillation helps a lot. If your room is smaller, a non-oscillating model might be fine and save you some money. Also, check the noise rating. If you’re a light sleeper, look for something under 40dB and with a mute function for the display.

Smart features vary more than you’d think. Some heaters only allow temperature adjustment in ECO mode, which can be limiting. Others let you set a custom temperature in any mode. Think about how you’ll use the heater: do you want to schedule it to warm up before you wake up? Then a 12-hour timer is essential. Do you want to control it with your voice? Make sure it’s compatible with your smart assistant. And don’t forget the Wi-Fi band—most smart heaters only support 2.4GHz, so your router needs to broadcast that.

Safety should be non-negotiable. Look for overheat protection, tip-over switches, and a child lock if you have kids or pets. The best models use flame-retardant materials and have dual fuses for extra protection. Also, check if the heater has an auto-off timer—some have a 24-hour shutoff, which is great for peace of mind if you forget to turn it off.

Our Top Recommendation

After all that, the FLANUR 1500W PTC Ceramic (Oscillating) takes the top spot. It’s the most versatile, powerful, and feature-rich option in this lineup. It heats large rooms effectively, oscillates to spread warmth, and offers every control method you could want—app, remote, and voice. The low noise and auto-dimming screen make it perfect for bedrooms, and the ETL certification means you can trust its safety. It’s not the most compact, but if you need serious heating, this is the one.

If you’re on a tighter budget or need something smaller, the SereneLife Smart Space Heater (Gray or White) is a fantastic runner-up. It’s simple, reliable, and has a remote—just no oscillation. For a middle-ground pick, the MORENTO offers oscillation and voice control at a slightly lower price than the FLANUR, with the added bonus of a mute function. Choose based on your room size and how much you value voice control.

Frequently Asked Questions

Can I control these heaters when I’m away from home?

Yes, as long as the heater is connected to your home Wi-Fi and the app is linked to your account. You can turn it on or off, adjust the temperature, and set timers from anywhere with an internet connection. Just make sure your phone and the heater are on the same network when you set it up initially.

Do these heaters work with 5GHz Wi-Fi networks?

Most of the models here only support 2.4GHz Wi-Fi. If your router broadcasts both bands, you’ll need to connect the heater to the 2.4GHz network. If your router is 5GHz-only, you might need to enable a 2.4GHz band or use a separate access point.

Are these heaters safe to leave on overnight?

All of the heaters in this list have safety features like overheat protection and tip-over switches, so they’re generally safe to leave on while you sleep. However, the manufacturer’s instructions for the FLANUR and MORENTO models specifically recommend not using them on soft carpets or in bathrooms, as the sensors might trigger a shutdown. For overnight use, set a timer and make sure the heater is on a flat, hard surface.

What’s the difference between ECO mode and the regular heat modes?

ECO mode automatically adjusts the power output to maintain a target temperature, which saves energy. In the FLANUR and MORENTO models, you can set the desired temperature only in ECO mode (range: 41-95°F). The regular heat modes (like 1000W or 1500W) run at a fixed power level until you turn them off, so they use more electricity.