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How to protect your belongings from extreme temperatures in storage

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Published: Apr 21. 2025

Storing items in Colorado means dealing with hot summers, cold winters, and very dry air. These conditions can damage furniture, electronics, artwork, and more if they’re not packed and stored the right way. To protect your belongings from extreme temperatures in storage, it’s important to think beyond just putting boxes in a unit. Professionals like Spyder Moving and Storage CO also suggest using climate-controlled storage and the right packing materials to reduce the risk of cracking, warping, or moisture damage. Whether you’re storing items for a few months or longer, a little planning now can save you from big problems later.

Know which items are most at risk

Some items can handle storage better than others, but many things can get damaged by Colorado’s weather. Wood furniture, electronics, leather, musical instruments, photos, artwork, and vinyl records are some of the most at risk. These items can crack, fade, or stop working if they get too hot, too cold, or too dry. Lots of professional movers in Denver CO recommend putting these items in climate-controlled storage to help avoid damage. Not all storage units are the same. Some just keep things out of the rain, but they don’t protect against heat, cold, or dry air that can ruin your stuff.

Electronic items on a table
The first thing you need to do when trying to protect your belongings from extreme temperatures in storage is figure out which items need to be protected from temperature changes the most.

Understand the impact of Colorado’s dry air

Dry air is a common problem when storing things in Colorado. The low humidity can make wood crack or split. Leather items can dry out and get stiff or brittle. Glue in books, frames, or other items can stop working and fall apart. Paper and photos can also get warped or faded over time. Experienced residential movers from Denver usually suggest thinking about how dry the air will be inside your storage unit. Some items need a little moisture to stay in good shape. Using the right storage setup can help keep your things from getting damaged by dry air.

Watch out for temperature swings

Colorado’s weather can change fast, especially from day to night. These quick temperature swings can be hard on certain items. Electronics can get moisture inside when warm air cools down too fast, which can lead to damage. Glass and ceramic items might crack or weaken as they expand and shrink. Glue and finishes on furniture or decorations can also start to break down over time. That’s why professional local movers from Denver CO often advise their clients to use storage that keeps a steady temperature. It helps protect sensitive items and keeps things from getting ruined by the changing weather.

Choose a climate-controlled storage unit

A climate-controlled storage unit helps keep your stuff safe from heat, cold, and dry air. It keeps the temperature steady, usually between 55 and 85 degrees. These units are often indoors and use heating and cooling systems to control the air. This type of storage is a good choice for things like wood furniture, electronics, leather, or anything else that can get damaged by weather. Experienced furniture movers from Denver often highlight how useful climate control can be in Colorado, where the weather can be really hot in the summer and very cold in the winter. It’s worth the extra cost.

A hallway at a facility where you need to protect your belongings from extreme temperatures in storage
Renting out a climate-controlled storage unit is the best way to protect your belongings from extreme temperatures in storage.

Don’t confuse temperature control with humidity control

Climate-controlled storage units help with temperature, but they don’t always control humidity. That’s something many people don’t realize. Some units may stay cool or warm, but the air inside can still be too dry. In Colorado, dry air is a real problem. It can hurt wood, leather, and other materials. That’s why it’s important to ask the storage company if their units manage humidity, not just temperature. Some places may have humidifiers or other systems to help. If you’re storing things that can dry out or crack, make sure the unit doesn’t just stay warm—it also needs the right moisture.

Use proper packing materials

Using the right packing supplies helps protect your things from heat, cold, and dry air. Furniture should be covered with cotton sheets or other breathable fabric. Avoid plastic wrap because it can trap moisture and cause damage. For breakable items, bubble wrap and foam padding work well. Strong plastic bins with lids are better than cardboard boxes for long-term storage. Electronics should be packed in their original boxes or anti-static bags to avoid static damage. A professional packing service in Denver can make it easier to get the right materials and pack everything the right way for storage in any weather.

Avoid cardboard for long-term storage

Cardboard boxes are easy to use, but they aren’t the best choice if you plan to store things for a long time. In Colorado’s dry climate, cardboard can weaken, fall apart, or get damaged by changes in temperature. It can also soak up any moisture that gets into the storage unit, which may lead to mold or mildew. Cardboard doesn’t keep out pests either. To better protect your belongings from extreme temperatures in storage, it’s a good idea to use strong plastic bins with tight lids. These bins hold up better and help keep your items in good shape over time.

A cardboard box you can use to protect your belongings from extreme temperatures in storage
While cardboard boxes are an easy and efficient choice for moving or short-term storage, you shouldn’t use them if you’re planning to store things for a long time.

Seal boxes and containers properly

Sealing your boxes the right way helps keep your things safe while in storage. It keeps out dust, bugs, and moisture. If any of those get in, your stuff can get damaged over time. Use boxes or bins with lids that fit well. Make sure the lids aren’t bent or broken. Tape up all the seams so nothing can sneak in. Plastic bins should snap shut without leaving any gaps. You can also put silica gel packs or other moisture-absorbing products inside the box. Experienced furniture movers from Aurora CO often remind their clients to seal everything tightly before storing it.

Protect electronics with anti-static packaging

Electronics need to be packed and stored carefully, especially in places where it gets really hot or cold. To protect your belongings from extreme temperatures in storage, take out any batteries first so they don’t leak or corrode. If you still have the original boxes, use them. If not, use anti-static bubble wrap and place items in strong containers with padding. Keep electronics off the floor and don’t store them right next to walls, vents, or metal shelves. These spots can get too hot or cold. Careful packing and smart placement can help keep your electronics safe in storage.

Store leather items with conditioner

Leather can get dry and crack in Colorado because the air doesn’t have much moisture. To help stop this, rub leather conditioner on your items before putting them in storage. Don’t place leather right on concrete floors or against cold walls. Keep it raised up and cover it with a cotton sheet or another fabric that lets air through. Don’t use plastic. Also, don’t put anything heavy on top of leather furniture or bags. The pressure can leave marks that won’t go away, especially when the air is dry. A few simple steps can help protect your leather while it’s stored.

Leather bags someone needs to keep in a storage unit
Rubbing leather conditioner on your items before putting them in storage will protect them from drying out and cracking.

Protect artwork and photos

Photos and artwork can get damaged if they get too hot or too dry. To keep them safe in storage, use acid-free folders, sleeves, or special boxes made for storing pictures. If you have framed art, wrap it in acid-free paper and don’t let anything touch the glass. Don’t put photos or artwork directly on the floor. Cold or moisture from the ground can ruin them. Instead, stand them up on shelves or store them in soft containers with padding. Keep them in a dry, cool place where the temperature doesn’t change a lot. That helps them last longer in storage.

Elevate items off the floor

Concrete floors in storage units can get really cold during the winter. They can also stay damp after snow or rain. If your boxes or furniture sit right on the floor, they might get wet or damaged. To stop this, you can use wooden pallets, shelves, or rubber mats to lift your things up. This keeps them away from cold and damp surfaces. It also helps air move around better inside the unit and keeps bugs from getting into your stuff. If you want to protect your belongings from extreme temperatures in storage, keeping them off the floor is a smart move.

Avoid overpacking the unit

Putting too much stuff in a storage unit might seem like a smart way to save space, but it can cause problems. When everything is packed too tight, air can’t move around. This can lead to heat or dry air building up, which might damage your things. Boxes can also get crushed if they’re stacked too high or not balanced right. It’s better to leave a little space between items so air can flow and you can move around safely. You can get professional moving help in Denver to make it easier to pack your storage unit the right way.

People loading boxes into a van
You should make sure you get a big enough storage unit so everything you have fits inside without it being overpacked.

Visit your unit regularly

Even if you packed everything the right way, it’s still smart to check your storage unit every month or two. Look around for any signs of problems. Check for cracks in wooden furniture, wet spots, peeling photos, or anything that smells strange. Look at your boxes to see if they’re sagging or falling apart. Also check for signs of bugs or rodents. If you catch problems early, you can fix them before they get worse. You might need to move things around, add new covers, or repack some boxes. A quick visit every now and then can help prevent damage later.

Label and organize for easy access

When you put things in storage for a long time, it’s easy to forget what’s in each box. Label every box clearly so you don’t have to open everything just to find one item. Group things by type or season to make it easier to rotate them later. Keep the layout neat and stack boxes in a way that lets you reach what you need without digging around too much. Too much movement can break fragile stuff or let in dry air. Being organized helps protect your belongings from extreme temperatures in storage and keeps your things in better shape.

Consider insurance to protect your belongings from extreme temperatures in storage

Even if you pack your things the right way, it’s still smart to have insurance. Some storage places offer insurance, or you can check if your homeowner’s or renter’s policy covers items in storage. Make sure it includes damage from heat, cold, or dryness. Look at how much the policy covers and what it doesn’t. This is important if you’re storing things like electronics, furniture, or anything valuable. Insurance doesn’t stop damage, but it helps you recover if something goes wrong. It’s one more way to protect your stuff and avoid big losses while your things are in storage.

A person handing someone a contract
Getting a comprehensive insurance plan will help you if some of your items end up getting damaged even after you did your best to protect them.

Ask the storage facility the right questions

Before you rent a storage unit, ask how the place handles temperature and humidity. Some units control both, but others only keep the air cool or warm. If you’re storing things like wood or electronics, you’ll want a unit that also controls dryness. Ask if the units are sealed well and if they do anything to keep out bugs or rodents. It’s also good to know if the unit has insulation and good air flow. Find out how often the units are checked. Picking the right place from the start helps avoid damage or problems with your stuff later.

Use these tips to protect your belongings from extreme temperatures in storage

Colorado’s dry air and big temperature changes can cause damage if you’re not careful with storage. To protect your belongings from extreme temperatures in storage, pick a climate-controlled unit. Use good packing supplies like plastic bins, cotton covers, and anti-static bags. Keep things off the floor and leave space between items for air to move. Visit your unit now and then to check for problems. Label everything clearly so you don’t have to dig around. You can also get insurance for extra peace of mind. If you’re not sure how to pack, a local moving company can help you do it right.