COLD STORAGE DOORS ▼

High-Performance Cold Storage Doors

Built for Demanding Environments. Backed by Decades of Expertise.

Veteran-Owned. Family-Operated. Proudly Made in the USA.

At Therm-L-Tec, we don’t just manufacture cold storage doors—we engineer performance. Whether you're managing a high-traffic distribution center or a temperature-controlled facility, our doors are built to handle extreme conditions while maximizing efficiency, safety, and durability.

With over 50 years of experience in cold storage manufacturing, our legacy speaks for itself. Thousands of facilities across the U.S. trust Therm-L-Tec for reliable, high-quality door solutions that stand the test of time.

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Door Types

MANUAL SLIDING DOORS

Ideal for large openings and warehouse access points. Smooth-glide operation with optional track configurations.

ELECTRIC SLIDING DOORS

Automated, efficient, and designed for high-traffic areas. Powered operation minimizes energy loss while boosting productivity.

INFITTING SWING DOORS

Single or double-leaf options with heavy-duty hinges, perfect for walk-ins or employee access zones. Ideal for rooms with space constraints or regulatory requirements.

OVERLAP DOORS

Engineered for tight thermal seals. Panels overlap the frame for superior insulation and minimal air infiltration.

REPLACEMENT DOOR & RETROFIT KIT

Upgrade existing cold storage units without the cost of full replacement. Custom-built to your exact dimensions.

Door Options Available

Series 100

INFITTING

COOLER/FREEZER DOOR

Therm-L-Tec's single and double in-fitting cooler / freezer doors are appropriate in a wide variety of applications. This door is most often used as a pedestrian traffic door for processors, dairies, freezers laboratories, coolers or any controlled environment.

Series 200

INFITTING DOUBLE SWING HINGED COOLER/FREEZER DOOR

Therm-L-Tec's double swing cooler / freezer doors are appropriate in a wide variety of applications. This door is most often used as a pedestrian traffic door for processors, dairies, freezers laboratories, coolers or any controlled environment.

Series 300

FOR OVERLAP

COOLER/FREEZER DOOR

Therm-L-Tec's overlap swing cooler / freezer doors are appropriate in a wide variety of applications. This door is most often used as a pedestrian traffic door for processors, dairies, freezers laboratories, coolers or any controlled environment.

Series 6000

MANUAL SINGLE HORIZONTAL SLIDE COOLER/FREEZER DOOR

Therm-L-Tec's Single Horizontal Slide Door is by far the simplest and most fundamental door in the market. Utilizing the fast opening "state of the art" S.S.T. operator, this single slide door is capable of opening faster then our competitor's door of the same size.

Series 6001

ELECTRIC SINGLE HORIZONTAL SLIDE COOLER/FREEZER DOOR

Therm-L-Tec's Single Horizontal Slide Door is by far the simplest and most fundamental door in the market for the last 50 plus years. When dependability is your primary concern, simple operation is very important.

Series 7000

MANUAL BI-PARTING HORIZONTAL SLIDE COOLER/FREEZER DOOR

Therm-L-Tec's manual bi-parting sliding door has an absolute minimum of moving parts and is by far the simplest and most fundamental door in the market for the last 50 plus years.

Series 7001

ELECTRIC BI-PARTING HORIZONTAL SLIDE COOLER/FREEZER DOOR

Therm-L-Tec's electric bi-parting sliding door has an absolute minimum of moving parts. An eight foot wide door can be programmed to open in 1 second.

Want to Convert Your Door to Power Operated?

The Simplest Add On Power Operator on the Market

Over 20 Years in Service Use

We offer an "Add On" Power Operator for most makes of manual slide doors. Our unit is belt drive for quiet and smooth operation.

OPERATING FUNCTIONS

Pull Cords, Partial Open, Time Delay Close, Floor Loops as Open And/Or Safe, Safety Edge Reverse, and many other sensing devices.

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Why Choose
THERM-L-TEC Doors?

Thermal Integrity You Can Count On
Engineered to prevent heat loss and maintain strict temperature zones for optimal product safety and compliance.

Rugged Durability
Built with commercial-grade hardware and heavy-duty insulated panels designed to withstand daily wear, forklift traffic, and harsh industrial use.

Fast Lead Times, Easy Installation
Designed with contractors and maintenance managers in mind. Precision-built for fast installs and minimal downtime.

Custom Configurations
From manual swing doors to oversized sliding models, we offer door solutions tailored to your space and application.