Best Carbon Monoxide Alarms for RVs and Campers

Author: Reece Thompson | Updated on September 10, 2020

Getting a reliable CO detector for your camper, RV or caravan is definitely worth the investment. Why take the risk?

Carbon Monoxide exists, and “Center of Disease Control and Prevention” has evaluated its threat. They claim that Carbon Monoxide poisoning is the number one cause for death by poison. We like to travel and camp in Recreational Vehicles in different beautiful destinations.

Before heading toward your next destination, check your CO alarm. If you don’t have one installed, you should grab one. There are various kinds, but MTI industries are one of the leading to produce these.

When you buy one, you should know the standard of the product and also should check the producer. For RVs and Campers, a CO alarm is a must.

There are many models and dimensions of this kind of alarm with more or less similar features. We have picked the best for you so that you can choose for your motorhome or caravan.

1. MTI Industries 65-541-P-WT

MTI Industries 65-541-P-WT
Our Rating: 4/5


MTI Industries 65-541 crawls to our top of the list. This alerting system produces red flashing light when for a moderate danger level. When the danger level is high, it indicates a solid red light.

This alarm is ideal for a rough recreational vehicle environment. It's suitable for travel trailers, trucks, Class A motorhomes, and folding campers.

Most also come with a mute button like other MTI industries products.

When silenced, the alarm resets and also reactivates when there is danger. Thanks to its quick recovery sensor. It features 12 Volt installation systems.

This alarm will help to wake up everyone with its 85 DB loud alarm. The replacement period of this unit is 60 months


  • Includes CSA STD 6.19-01 (R2006) certification
  • Meets the standard of NFPA/RVIA
  • Durable


  • Very units may show fault in the alarm

2. MTI Industries 35-742-WT

MTI Industries 35-742-WT
Our Rating: 4/5


This alarm for propane and carbon monoxide from MTI industries gives a warning if the voltage is low. The durable and rigid design makes it suitable for a rough RV/Camper environment. This is best suited for trucks, travel trailers, Class A motorhomes, Class B Vans and campers.

This unit also includes the “alarm mute” button to make the alarm silent. For an alerting level of CO and propane, this alarm has quick recovery sensors. It includes a 12 Volt installation process.

It has separate visual indicators for CO and propane. The replacement time span is 60 months.


  • Fulfills the standard of NFPA/RVIA
  • Thin design
  • Reliable


  • Time-sensitive

3. Safe-T-Alert 35-742-BL LP/CO Alarm

Safe-T-Alert Dual LP/CO Alarm
Our Rating: 4/5


Safe-T-Alert introduces its double-duty alarm provides an alert system for Carbon monoxide/propane. This alarm is able to detect CO and gas leaks at a time. It comes with a test/mute button.

These alarms are durable and work in a rough RV environment. Don’t worry about the quality as these alarms fulfil NFPA/RVIA conditions. Like most, this alarm also should replace after 60 months from the date of its retail sale.

This dual LP/CO alarm is in the category of UL 1484 RV and UL 2034 RV list. This model is lightweight and easy to install. After the retail sale, the lifespan of this alarm is 60 months and should replace when it meets the time.


  • Thin design
  • Includes both CO and LP visual indicators
  • Durable


  • Time-sensitive

4. MTI Industries 35-742-BR

MTI Industries 35-742-BR
Our Rating: 4/5


The Safe T Alert 35 series also comes with advanced technology. When the RV's ventilated, you can silence the alarm with the help of the “Alarm Mute” button. This LP/CO alert system is ideal for a rugged RV environment.

This device is also suitable for travel trailers, trucks, and folding campers. It comes with an effective and quick recovery sensor. If the alerting level of CO or propane remains in the vehicle, the sensor helps to reactivate the system.

So during an emergency state, both sensors continue to work. It provides a 12 Volt installation. If the voltage is low, it gives an early power warning.

Operating temperature of Safe T Alert 35 Series' -40° F to +158° F. You should replace it 60 months from its retail sale.


  • The alarm standard meets the requirement of RVIA/NFPA
  • Includes in the list of ULs for CO and propane alarms
  • Easy installation


  • Some may face size issue

5. Safe-T-Alert 30-442 12V Propane Alarm

Safe-T-Alert 30-442 12V Propane Alarm
Our Rating: 4/5


This propane alarm's produced by MTI Industries. This alarm is very much reliable for its 12-volt power system. The design makes this device suitable both for camping and tuff RV environments.

The alarm also includes advanced technology. It has a mute button, which helps to silence the alarm after there is no threat of harmful gas. MTI industries care about the safety of your home and RV environment, and this is for the standard ones.

This alarm includes two signals, red and green. If both signals light up, it means there might be fault or low voltage. Green means it’s on, and red indicates the alarm.

If both the signals show the same light, it indicates the end of the lifespan. After the retail sale, it should replace 60 months.


  • Saves space
  • Built with advanced technology
  • Durable


  • Some units may include a faulty visual signal

How We Decided On Our Winner

We already know the great importance of CO alarms for campers and Caravans. You shouldn't stress about finding the perfect CO alarm as we have already mentioned the best. It’s necessary to be safe and alert about any kind of danger.

Our listed CO alarms will make you feel safe about CO threats if you use them. Place them in your motor homes to get the best output.

FAQ and Buying Guide

What is the danger and nature of Carbon Monoxide?

In the US, every year, almost 500 people lose their lives for CO poisoning. Our heart and brain need continuous oxygen. When an excessive level of CO enters our body, it replaces oxygen molecules from the blood.

So our heart and brain fail to function at a point. For RVs and campers, CO poisoning is sometimes considered to be more harmful than fire as you can't see, smell or taste it.

Camping stoves, lanterns, grills, generator exhaust, and many other things can emit CO. Many appliances that are not functioning or leaking can also be the cause of CO emission. This poisonous gas can raise your blood pressure.

A victim of CO poisoning can suffer from dizziness, nausea, fatigue, and difficulty with breathing. It can also damage the tissue of our body. If not death in the worst cases, CO poisoning damages cells of our brain, which is irreversible.

What should you do to make sure RVs and Caravans are safe from carbon monoxide poisoning?

As we know about the effects, we should always take precautionary measures to remain safe. There are certain ways that we can follow to prevent this gas from entering our body at an alarming rate.

1. Proper ventilation: For staying warm and comfortable, campers and campervans are tightly sealed. This is a good thing, but a proper ventilation system must be there in these motorhomes. You should get some fresh air from time to time if you are not feeling well after spending a big amount of time in caravans.

2. CO alarms: As humans can’t see CO, an alarm like device which can is the only way to detect an alarming level. There are available CO detectors in the market. Modern RV’s comes with this alarm system.

When about the older ones, it is very much necessary to install one. It should be in every section of the sleeping zone, and it also should cover the inside part of the RV. These CO alarms are only for motor homes.

3. Check your alarm: If the alarm alerts you about the CO danger, immediately exit the caravan or motorhome. Get some fresh air, and if you are feeling unwell, consult a physician. Test your alarm from time to time if it’s working.

Every CO alarm has a limited lifespan. You should note down the date of the retail sale and replace it at an appropriate time.

4. Check your RV: We all love camping trips in Recreational Vehicles, but we often forget about the inspection. The ventilation system should not be damaged or blocked. If you have fuel or gas-fed appliances in the RV, check their working state.

If the appliances are working, they are good to go. Also, inspect the gas and fuel line because a linkage in these lines can pose a serious threat. If you have a generator in your RV, you should check the exhaust if it’s working.

It's the best idea to inspect the whole RV or Camper with professional service before going out.

5. Knowing the symptoms: You should know about the basic symptoms of CO poisoning. The symptoms are nausea, rising blood pressure, shortness of breath, and blurred vision.

People can also face flu-like symptoms. For these, contact a physician, but if someone loses their consciousness, call 911.

People who are camping in an RV should know the signs of the CO alarms. They're extended features in some alarms that can distinguish the level of danger. They also include visual indicators that can tell if a CO alarm is working or not.

To read more articles like this one, please visit our Home Alarms page.