Tent Camper Winterization: How Long Can It Last?

Winter camping can be fun and exciting, but it also comes with a unique set of challenges. One of the most important considerations is how to keep your tent camper warm and protected from the cold weather. This is where winterization comes in. The length of time a camper can remain winterized depends on the method used and the climate. Generally, a camper can stay winterized for 2 to 3 years, and even longer with proper maintenance and storage. Using RV antifreeze or blowing out the lines with compressed air are the two most common methods for winterizing a camper, each with its own advantages and disadvantages.

Using antifreeze vs. blowing out the lines

There are two main methods for winterizing your RV: using antifreeze or blowing out the lines with compressed air. Both methods aim to prevent your RV's water lines from freezing and causing damage, but they have different advantages and considerations.

Using Antifreeze

The first method involves pumping non-toxic RV antifreeze through your RV's plumbing system. This "pink stuff" keeps seals from drying out or expanding in severe cold, protecting your pipes, toilet, water heater, water pump, and other components. It is also safe for use in systems that supply water for human consumption.

When using antifreeze, it is important to regularly check and maintain your RV. You should also drain the system completely and ensure that all water is removed before adding antifreeze. The amount of antifreeze needed depends on the size of your water system. Additionally, some appliances, such as the water heater, have a bypass valve that allows you to fill the rest of the system without filling the tank.

One disadvantage of using antifreeze is that it can leave a slight taste in your water, and it takes longer to de-winterize as you need to flush the system multiple times. However, it is a good option if you are in a dry climate and want to keep the moving parts of your RV in good condition.

Blowing Out the Lines

The alternative method is to use an air compressor to remove water from the plumbing system. This is a popular option for RV owners in warmer and more humid climates, where damage due to dried-out plumbing parts is less likely. It is also preferred by those who want to avoid using antifreeze for environmental reasons.

When blowing out the lines, it is crucial to use the proper tools and ensure that the air pressure is not too high, as it can damage your plumbing system. You will need an air compressor, a blowout plug or adapter, an RV winterization kit, and tools for removing RV caps.

Even with this method, it is recommended to use a small amount of RV antifreeze in your sewage systems and some appliance water lines to protect the seals and keep the ball joint lubricated.

Both methods can effectively winterize your RV, but the choice depends on your specific needs and climate conditions. Antifreeze is generally suitable for dry and cold climates, while blowing out the lines is preferred in warmer and more humid regions. Regular maintenance and inspections are crucial during the winter months, regardless of the method chosen.

How long can antifreeze last?

The length of time antifreeze lasts depends on several factors, including the type of antifreeze, how it is stored, and whether it has been mixed with water.

RV Antifreeze

RV antifreeze, typically made from propylene glycol, is designed to be non-toxic and safe for use in systems that supply water for human consumption. It is used to prepare RVs for extreme winter cold by replacing the water in the plumbing system. This prevents the pipes, water tanks, and other components from freezing and causing damage. RV antifreeze usually has a shelf life of 1 to 4 years if stored properly in a sealed container. It can last a couple of years in an RV if the antifreeze levels are regularly checked and maintained.

Car Antifreeze/Coolant

Car antifreeze, or radiator coolant, is typically made from ethylene glycol or propylene glycol. It is mixed with water in a 50/50 solution to create a liquid that helps cool the engine and prevent the cooling system from freezing. The chemical ingredients in this type of antifreeze are stable and can last indefinitely if stored in a sealed container. When mixed with water, it can last for 3 to 5 years.

In summary, both RV and car antifreeze can last for several years, but regular checks and maintenance are necessary to ensure their effectiveness and longevity.

Preparing your camper for winter storage

Winterizing your camper is essential to protect it from extreme cold and ensure it remains in good condition. Here are some detailed steps to prepare your camper for winter storage:

Drain and protect the plumbing system

• Drain all water from the plumbing system, including the fresh water tank, water heater, and pipes.
• Flush the system with RV antifreeze, which has a reddish-pink colour and is non-toxic. This will prevent the water system from freezing and causing damage.
• Pour a couple of gallons of RV antifreeze down the drains to protect the pipes, toilet, water heater, and water pump.
• Bypass the water heater, and consider using a bypass kit for this.
• If you're unsure, consider getting a local dealer or mobile RV repair service to do this for you.

Exterior maintenance

• Cover your camper and its tires. This will protect them from the elements, including sun exposure, which can cause weather cracking.
• Inspect the seals, roof, and plumbing components for any signs of damage, deterioration, or leaks.

Interior maintenance

• Remove all food and liquid items, especially those that can freeze and crack, such as hand soaps, toothpaste, and shaving cream.
• Clean out the fridge and prop open the fridge and freezer doors to prevent mould and mildew.
• Vacuum and mop all surfaces to keep the camper clean and pest-free.
• Keep bedroom and cabinet doors open to enhance air circulation and prevent odours and moisture buildup.

Battery and pest checks

• Check the charge level of your camper's batteries and top them up if necessary. Cold weather can drain batteries faster.
• Inspect for any signs of pests, such as mice, and take measures to keep them out.

By following these steps, you can ensure your camper is properly winterized and protected during the cold months.

How to prevent damage to your camper

Winterizing your camper is essential to protect it from the elements and prevent damage. Here are some detailed tips to ensure your camper stays in good condition during the cold winter months:

• Use the Right Winterization Method: Depending on your preferences and climate, you can choose between using RV antifreeze or blowing out the lines with compressed air. RV antifreeze typically lasts a couple of years and protects your pipes and tanks from freezing. Blowing out the lines can be a more sustainable option but requires regular maintenance.
• Regular Checks and Maintenance: Conduct regular inspections of your camper during the winter. Check the exterior for any signs of damage, wear, or leaks. Inspect the roof, windows, tires, and plumbing system for any issues. Ensure your batteries are charged and securely connected, as cold weather can drain them faster.
• Insulate Your Camper: Proper insulation is crucial to keep your camper warm and protect its components. Seal your windows and doors, and consider adding window coverings like reflective foil or thick fabric drapes to block cold drafts and reflect heat back inside. Insulate the floor with foam board or heavy rugs/carpets to prevent cold air from seeping in.
• Prevent Moisture and Humidity: Heating systems can add moisture to the air, leading to condensation and potential pipe and engine corrosion. Use dehumidifiers to control moisture levels and prevent mold and mildew growth. Keep your vents open to reduce condensation and ensure proper airflow.
• Protect Plumbing Connections: Winter temperatures can cause pipes and hoses to freeze and crack. Use heat tape on pipes and hoses, and consider adding foam insulation for extra protection. Open cabinet doors to expose pipes to interior heat.
• Use a Space Heater: Place a small space heater near your water tanks and plumbing to prevent freezing. Ensure you follow safety precautions and maintain a safe distance from flammable materials and vents.
• Cover Your Camper: Invest in a quality camper cover to shield your camper from snow, sleet, freezing rain, and strong winds. Look for covers made of durable materials like polypropylene or heavy-duty polyester, which offer ventilation, UV resistance, and water resistance. Ensure the cover fits snugly to avoid wind flapping or potential damage.
• Winterize Appliances: Don't forget to winterize your appliances as well. Empty and defrost refrigerators and freezers, and leave them open to prevent mildew. Drain and winterize your water tanks and pipes to avoid freezing and bursting.
• Maintain the Engine: Check your RV engine and components before your trip. Ensure your motor antidepressant is at the correct concentration, and consider using an engine block heater for additional protection in very cold regions.
• Prepare for the Weather: Stay updated with weather forecasts and prepare adequate insulation for your trip. Pack extra cold-weather clothes, including layers, warm jackets, and winter shoes. Stock up on food, especially ready-to-eat snacks and easy-to-cook meals.

When is it safe to de-winterize your camper?

However, regardless of the method, it's generally recommended that you don't leave your camper winterized for more than two to three years without cleaning and re-winterizing. This is partly because RV antifreeze, which is often used in the process, can leave a pink residue that builds up over time and becomes difficult to remove.

The ideal time to de-winterize your camper is during the spring, typically between April and June, when the weather is consistently warm and the risk of freezing temperatures has passed. It's important to make sure that the temperature doesn't drop below freezing for more than a few hours at a time, as this could cause issues with your pipes and tanks.

If you're planning to take a trip in your camper, it's a good idea to start the de-winterizing process a few weeks in advance. Keep in mind that you can still travel if your camper is only partially de-winterized, but you may need to make some rest stops along the way. Alternatively, you can choose to winterize your camper on your way to your destination, especially if you're travelling to a warm location.

Frequently asked questions