Dewlora 4 In 1 CO Detector Customer Reviews

If you’re considering purchasing our Dewlora 4 In 1 CO Detector, we encourage you to take a moment to listen to what our customers have to say.

We greatly value your feedback and would love to hear your own stories and experiences after using our Dewlora 4 In 1 CO Detector.

Customer reviews

4.95
Based on 269 reviews
5
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With images (0) Verified (269)
All stars (269)
Conan Jo
We live in an older house with a gas stove and a gas water heater, so I was nervous about invisible leaks. Dewlora has been fantastic. The live readout lets me check the air quality anytime, and the alarm is loud enough to wake everyone up. Setup was as simple as plugging it in. After a week of watching the numbers stay stable, I feel much more relaxed at home.
Helpful? 0 0
Haley Lily
I bought this after reading about carbon monoxide incidents in the news. What sold me was the early‑warning feature and the fact that it shows real PPM numbers. I tested it near the garage when the car was running briefly and could see the CO number climb before it even got close to dangerous. That kind of visibility is exactly what I wanted for my family.
Helpful? 0 0
Reva
As a parent of two young kids, I don’t take chances with safety. Dewlora alarms at lower CO levels than our old detector, which means we get warned sooner. The digital display is a huge upgrade; now I can tell at a glance if the air is safe. I’ve recommended it to every parent in our WhatsApp group.
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BadBart
We rent an apartment with gas heating, and the landlord only provided a basic smoke alarm. I got Dewlora for extra protection and I’m so glad I did. It’s compact, looks clean on the wall, and the display is easy to read even at night. Knowing it’s monitoring CO, gas, temperature, and humidity makes me feel like I’ve taken real control of our safety.
Helpful? 0 0
GLENN R
I travel a lot for work and stay in different rentals and hotels. I started carrying Dewlora with me because I can plug it in anywhere and immediately have professional‑grade monitoring. It’s small enough to pack, but the display and alarm feel like serious equipment. It’s become part of my travel safety kit along with my first aid supplies.
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krager5
Our old CO detector was over 8 years old and only had a single light. We upgraded to Dewlora and the difference is night and day. The live numbers are reassuring, and the fact that it also tracks temperature and humidity is a nice bonus. We keep one in the main living area and can finally see what our indoor air quality actually looks like.
Helpful? 0 0
Greg
I’m quite technical and like to understand what’s going on. Dewlora’s electrochemical CO sensor and real‑time PPM readout give me confidence that it’s not just a “beep when it’s already bad” device. I’ve compared the temperature and humidity readings with a separate thermometer and they’re very close. For the price, this is excellent engineering.
Helpful? 0 0
Szoo
We have a gas fireplace that we use in winter, and I always worried about CO buildup. With Dewlora, I can watch the CO level while the fireplace is on and make sure it stays low. If I ever see it creeping up, I know to open a window or turn it off. That kind of early visibility is exactly what a modern safety device should do.
Helpful? 0 0
felix
I was skeptical about another “smart” safety gadget, but Dewlora won me over by keeping things simple. No app, no complicated setup, just plug it in and read the screen. The early‑warning alarm and clear numbers are all I need. It feels like a professional tool made for everyday families.
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JShay
We live in a humid climate and mold is always a concern. While I bought Dewlora mainly for CO and gas safety, the humidity readout has been surprisingly useful. I can now see when humidity spikes and run the dehumidifier before it gets out of hand. It’s like getting a safety device and a basic environmental monitor in one.
Helpful? 0 0
Bryn
Our previous detector only beeped when CO was already at a high level. Dewlora’s lower alarm threshold gives us a real head start. I tested it with a small CO source (safely, outdoors) and it responded quickly and accurately. Knowing it would alert us early if something went wrong at home has reduced my anxiety a lot.
Helpful? 0 0
Nick
I run a small guesthouse and guest safety is my top priority. I installed Dewlora in each room with gas heaters and in the common areas. Guests often comment on the clear display and say it makes them feel safer. It’s also easy for me to do quick checks between bookings to ensure everything is within safe ranges.
Helpful? 0 0
CVuPlay
As someone who’s had a gas leak scare before, I’m very sensitive to the smell of gas and any hint of CO. Dewlora has become my first line of defense. The combustible gas monitoring gives me an extra layer of protection beyond just CO. The display is bright, the alarm is loud, and the whole unit feels well built.
Helpful? 0 0
Avid reader and shopper
After a neighbor had a CO scare last year, I decided to upgrade our whole home. We now have three Dewlora units: one outside the bedrooms, one near the kitchen, and one by the boiler. The consistent display across all of them makes it easy to check every room. The 85 dB alarm is definitely loud enough to wake us up.
Helpful? 0 0
Michael P. Palya Sr.
We recently moved into a new build with a modern gas boiler, but I still didn’t trust a single cheap alarm. Dewlora’s professional‑grade sensors and early alarm logic convinced me. I like that I can see the exact CO level instead of guessing. It’s now the first thing I check when we come back from a trip.
Helpful? 0 0
D. Burnham
I bought this for my elderly parents who live alone and have a gas stove. They find the display easy to read and the concept simple: if it beeps, get out and call for help. I feel much better knowing they have an early‑warning system that doesn’t rely on them noticing a faint smell or feeling slightly unwell.
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R. Schmidt
The build quality is better than I expected for the price. The plug is solid, the casing feels durable, and the screen is clear from across the room. We’ve had it running 24/7 for months with no issues. It’s reassuring to have a device that looks and feels like it’s designed to last.
Helpful? 0 0
Steve RJ
I work in facilities management and I’m used to seeing industrial gas detectors. Dewlora brings a similar level of visibility into a home format. The electrochemical CO sensor and catalytic gas sensing are the right technologies for this job. For anyone serious about home safety, this is a no‑brainer upgrade.
Helpful? 0 0
R. Prosser
We had a minor gas smell in the kitchen last month and I immediately checked the Dewlora display. The gas reading was slightly elevated, so I opened windows and called the gas company. They found a small leak at the stove connection and fixed it. Without Dewlora, I might have ignored it until it became serious.
Helpful? 0 0
lmv
Our kids’ school did a safety talk on carbon monoxide, and my children came home very concerned. We bought Dewlora the same day and showed them how the display works. Now they understand what CO is and feel safer knowing we have a detector that shows numbers and alarms early. It turned a scary topic into a practical safety lesson.
Helpful? 0 0
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Buy Dewlora 4 In 1 CO Detector

Plug it in near the spaces that matter most, check the display with confidence, and know that a powerful alarm is ready to help alert you to potential carbon monoxide and fuel-gas concerns.

Sale!

Dewlora 4 In 1 CO Detector (Official Retailer) 2026

Original price was: US$99.95.Current price is: US$55.75.