Winter is the peak season for natural gas and carbon monoxide incidents.
With windows closed and heating systems running longer, even a small leak can become dangerous faster than expected.
If you're searching for thebest WiFi gas leak detector 2025, this guide compares the top options, explains how they work, and highlights thebest Black Friday dealsyou can grab now.
Top WiFi Gas Detectors at a Glance (2025)
Here’s a quick comparison of the most reliable WiFi-enabled gas detectors for home safety.
Smart Gas Detector Comparison Table — Updated for Black Friday 2025
| Rang | Modèle | Détecte | Connectivité | Idéal pour | Prix | Black Friday Deal |
|---|---|---|---|---|---|---|
| ⭐#1 Best Overall WiFi Gas Leak Detector | Détecteur de gaz naturel WiFi GasNet-S4 | Methane / Natural Gas | 2.4GHz WiFi | Kitchens, stoves, boiler rooms | $32 | Included in 10% OFF Bundle |
| ⭐#2 Best WiFi CO + Gas Combo | GasNet-CM Smart CO & Gas Alarm | CO + Gas | Wi-Fi | Furnace rooms, heaters, basements | $29 | Included in 10% OFF Bundle |
| #3 Best Non-WiFi Backup | CO+Gas Plug-In Alarm | CO + Gas | Aucun | General home use | ~$45 | — |
Editor’s Picks — Best WiFi Gas Leak Detectors for 2025
1. Best Overall WiFi Gas Leak Detector — GasNet-S4
Price：$32
Detects：Methane / LNG / Natural Gas
Connectivity：2.4GHz WiFi (Smart Life/Tuya ecosystem)
Best For：Kitchens, stoves, boiler rooms, basements
Why GasNet-S4 is #1
Most traditional detectors only sound a local alarm.
TheGasNet-S4goes further:
✔ Sends instant alerts to your phone
✔ Loud 85 dB alarm
✔ Real-time gas level monitoring
✔ Simple plug-in installation
✔ Works with yourapplication de détection de gaz
✔ Ideal for gas stove and pipe monitoring
This is the most practical upgrade for homeowners who want real protection, not just a beeping device on the wall.
Black Friday Deal
- Included in the 10% OFF Gas Safety Bundle
- Free shipping over$100
👉Shop GasNet-S4 WiFi Gas Detector
2. Best WiFi CO + Gas Combination Detector — GasNet-CM
Price：$29
Detects：Carbon Monoxide + Gas
Connectivity：WiFi smart alerts
Best For：Furnace rooms, heating systems, basements
Why GasNet-CM is #2
If your home has:
- Gas heating
- A furnace
- A gas water heater
- A fireplace
Then a regular natural gas detector isn’t enough — you needCO protectiontoo.
GasNet-CM combines both into a compact, smart, WiFi-enabled safety unit:
✔ CO + Gas dual sensors
✔ Smartphone alerts
✔ Loud 85 dB alarm
✔ Battery backup
✔ Ideal complement to the S4 in kitchens
Black Friday Deal
- Included in the 10% OFF Gas Safety Bundle
- Best value when paired with S4
👉Shop GasNet-CM WiFi CO & Gas Alarm
3. Best Non-WiFi Backup — CO & Gas Plug-In Alarm
A good secondary device for people who want local alerts only.
Affordable and simple — but no WiFi, no app, and no remote notifications.
Great as a backup, not as your primary safety device.
Black Friday Deals — Lowest Prices of the Year
GasNet-S4 — $32
Détecteur de gaz naturel WiFi
→Kitchen / Stove / Gas Line Monitoring
→ Smart alerts + 85 dB alarm
Black Friday：Included in 10% OFF Bundle
GasNet-CM — $29
WiFi CO + Gas Detector
→Furnace / Heater / Basement Safety
→ Dual detection + smart app alerts
Black Friday：Included in 10% OFF Bundle
Gas Safety Bundle — 10% OFF (Best Value)
Includes：
- GasNet-S4 — $32
- GasNet-CM — $29
Original Price：$61
Black Friday：10% OFF → $54.90
This bundle covers the two most dangerous areas in the home:
- Kitchen → gas leaks
- Furnace area → CO + gas
This is the best price of the year — and your data shows bundles convert extremely well.
👉Shop Gas Safety Bundle — $54.90
How to Choose the Best WiFi Gas Leak Detector
Selecting the correct detector depends on where it will be used and which gases are present.
1. Identify the Gas Type
- Natural Gas / Methane→ choose GasNet-S4
- Carbon Monoxide + Gas→ choose GasNet-CM
- Propane / LPG→ use detectors specifically rated for LPG
2. Consider Placement
Kitchen / Stove Area
- Use a natural gas detector
- Install high on the wall or near the ceiling
Furnace / Heater Room
- Use a CO + gas detector
- Install according to manufacturer guidance, away from vents and windows
Basements or Gas Water Heaters
- Combo units offer safer coverage
3. Look for WiFi Alerts
WiFi gas alarms provide remote notifications, enabling early action even when away from home.
This feature is especially valuable during travel or long working hours.
Selon leU.S. Consumer Product Safety Commission (CPSC), natural gas and CO incidents increase during winter due to poor ventilation.
Source:CPSC Safety Guidelines
4. Check Alarm Volume
Choose a device withat least 85 dBto ensure it’s audible through multiple rooms.
5. Evaluate App Functionality
A reliable gas detector app should provide:
- Instant alerts
- Real-time status
- Clear indication of alarm causes
- Easy multi-device monitoring
If you're noticing unfamiliar smells or suspect a gas-related issue at home, you may also find our guide onwhy a house might smell like gasolinehelpful. It explains how to identify indoor gas odors, what they mean, and when to take action.
FAQ — WiFi Gas Leak Detectors
Do WiFi gas alarms work without internet?
Yes, they still sound a local alarm. WiFi adds the remote-alert capability.
Can one detector cover both CO and gas?
Only combination units like GasNet-CM provide dual detection.
Where should a natural gas detector be installed?
Higher positions — methane rises.
How many detectors does a house need?
A typical setup includes:
1× WiFi natural gas detector near the kitchen
1× WiFi CO + gas detector near the furnace
Final Recommendation
If you want the most reliable, modern home safety setup for 2025:
✔ Best WiFi Gas Leak Detector for Kitchens
GasNet-S4 — $32
✔ Best WiFi CO + Gas Detector for Heating Areas
GasNet-CM — $29
✔ Best Value for Full-Home Coverage
Gas Safety Bundle — $54.90（10% OFF）
Black Friday is the best time of year to upgrade your home’s safety system before winter heating demand peaks.
