Temperature-Controlled Storage in Seguin, TX: What Texas Heat Does to Your Stuff

725 Self Storage
October 1st, 2026

Anyone who has spent a July afternoon in Seguin knows what Central Texas heat feels like outside. Fewer people think about what that same heat does inside a closed garage, a backyard shed, or a standard storage space, where the air has nowhere to go and the temperature keeps climbing long after sunset. That is why 725 Self Storage offers temperature-controlled units, so the things that cannot take the heat come back out in the same condition they went in.This guide covers what heat actually does to common household items, which belongings need temperature control and which do not, and how to pack a unit so nothing gets damaged over a long stay.

Why Seguin Weather Is Hard on Stored Belongings

Summer highs in Guadalupe County sit in the upper 90s for weeks at a time and regularly push past 100 degrees. The heat does not stop in August either. September and October often stay hot, and the swing from a warm afternoon to a cool night puts stress on anything sitting in an enclosed space. Then winter brings the occasional hard freeze, the kind Seguin residents still remember from February 2021.A garage or shed rides every one of those swings. Wood expands and contracts, glue and finishes soften, fabric fades, and anything with a battery or a circuit board takes a beating. A temperature-controlled unit removes the swings, and for the right belongings that is the difference between storing them and replacing them.

What Heat Does to Common Household Items

Wood furniture

Dressers, tables, and antiques are the most common items people regret storing in a hot space. Heat dries out wood, which leads to cracking, warped drawers that no longer slide, and joints that loosen as the glue gives way. Painted and lacquered finishes can turn sticky or bubble. Family heirlooms and solid wood pieces belong in temperature-controlled storage.

Leather and upholstered furniture

Leather sofas and chairs dry out and crack in sustained heat. Upholstered pieces fade, and the foam inside cushions breaks down faster. Mattresses stored in a hot space can develop odors that never fully leave.

Clothing, linens, and fabrics

Seasonal wardrobes, wedding dresses, quilts, and bedding all hold up far better at a steady temperature. Heat speeds up yellowing and weakens fibers, and fabrics packed tightly in a hot space are more prone to mildew odors.

Photos, documents, and books

Printed photographs curl, stick together, and fade in heat. Paper records turn brittle, and book bindings loosen as adhesive softens. Business records, tax files, and family albums are small items with a big replacement cost.

Electronics and appliances

Televisions, computers, gaming systems, and small appliances contain batteries, screens, and circuit boards that do not tolerate extreme heat well. Batteries in particular should never sit through a Texas summer in an unconditioned space.

Artwork, instruments, and collectibles

Paintings, framed prints, guitars, pianos, vinyl records, and collectibles are all sensitive to temperature swings. Canvas and wood shift, adhesives fail, and records can warp beyond repair. Anything with sentimental or resale value is worth protecting.

Holiday decorations

Candles melt, ornaments with glue come apart, and artificial trees and wreaths can deform. Holiday bins are one of the most common things people store, and one of the easiest to ruin in a hot garage.

What Does Not Need Temperature Control

Not everything needs a temperature-controlled unit, and paying for one when it is not needed is money better spent elsewhere. Items built to live outdoors or in a garage usually do fine in a standard unit:

Lawn mowers, yard tools, and garden equipment (drain the fuel first)
Patio furniture made of metal, plastic, or resin
Bicycles and sports equipment
Hand tools and toolboxes
Plastic storage bins of seasonal items that are not heat-sensitive

A simple rule: if it already lives in the garage year-round without trouble, it can probably go in a standard unit. If it lives inside the house, it probably belongs in a temperature-controlled one. Many renters split the difference, putting furniture, clothing, and keepsakes in temperature-controlled space and leaving the tools and outdoor gear for a standard unit.

How to Pack a Unit for a Long Stay

Use plastic bins with lids for clothing, linens, photos, and paper. They keep dust out and stack cleanly.
Keep furniture off the floor with pallets or a plastic sheet underneath, and cover pieces with cotton sheets or furniture blankets rather than plastic wrap, which traps moisture against the surface.
Remove batteries from electronics, remotes, and toys before storing them.
Leave a walkway down the middle of the unit so items in the back can be reached without unloading everything.
Label every box on at least two sides.
Skip anything perishable or flammable. Food, plants, propane, gasoline, paint thinner, and other hazardous materials are not allowed in storage.

Not sure how much space all of that takes? The storage unit size guide for Seguin walks through what fits in each unit, from a 10x10 up to a 10x20.

Temperature-Controlled Storage at 725 Self Storage

725 Self Storage offers 10x10, 10x12, 10x15, and 10x20 units, with temperature-controlled units available. The rates page shows which units are temperature-controlled and what is open right now. Rates run from $115 to $140 per month depending on size, and new move-ins get the first month free with a six-month stay. Six-month and twelve-month pre-pay discounts are available as well.The property is fenced and gated with keypad entry and video cameras throughout. The gate is open 24 hours a day, 365 days a year, so belongings can be dropped off before work or picked up after dark. Move-in and payments are handled fully online, and a 24-hour call center along with local managers nearby are available if anything comes up.The facility sits at 150 Naumann Rd, just off FM 725, minutes from FM 775 and US 90 and an easy drive from Highway 46 and Interstate 10. It is close to Texas Lutheran University and Vogel Elementary, and convenient for renters in McQueeney, Santa Clara, and New Berlin as well as Seguin itself.See current availability on the rates page, call (210) 899-2122, or send a message through the contact page.

Frequently Asked Questions

Do I need a temperature-controlled storage unit in Seguin, TX?

For anything made of wood, leather, fabric, or paper, or anything with electronics, yes. Seguin summers regularly reach the upper 90s and above, and those temperatures damage furniture, clothing, photos, and electronics stored in an unconditioned space. Tools, yard equipment, and outdoor furniture usually do fine in a standard unit.

Does 725 Self Storage have temperature-controlled units?

Yes. 725 Self Storage offers temperature-controlled units in Seguin. The rates page shows which units are temperature-controlled and which sizes are available.

How much does a storage unit cost in Seguin at 725 Self Storage?

Units run from $115 to $140 per month depending on size, with the first month free for new move-ins on a six-month stay.

What should not go in a storage unit?

Perishable food, plants, animals, flammable or hazardous materials such as gasoline and propane, liquids, and stolen or illegal goods are not allowed.

Can I get to my unit any time?

Yes. The gate at 725 Self Storage is open 24/7, 365 days a year, with keypad entry.

Is it safe to store electronics in a storage unit?

In a temperature-controlled unit, yes. Remove batteries first, keep items in their original boxes or padded bins, and keep them off the floor.