QS Series Walk-In Coolers & Freezers

The QS Series walk-ins offer single compartments with self-contained refrigeration only, and are ready to ship with 10-day lead times. They are matched exclusively with our one-piece Capsule Pak ECO™ self-contained refrigeration systems for ease of installation.

  • Engineered for ease of installation, long-term reliability, and high-insulation efficiency
  • Indoor and outdoor models available
  • Built with modular, 4” thick panels insulated with foamed-in-place polyurethane
  • 26-gauge acrylic-coated stucco galvanized steel on interior/exterior walls and roof
  • Smooth aluminum floor, where applicable
  • 26” wide entry door; optional 30” or 36” widths available
  • Standard heights: 7’4” and 7’7”
  • With-floor (coolers and freezers) and floorless (coolers only) models available
  • Outdoor units include a roof membrane for additional protection against the elements
  • Freezers are equipped with a pressure relief port
  • Deadbolt locking handle for security
  • High-output LED interior light

The Best Standard Walk-In Warranty in the Industry

15 Year Panel Warranty, 18 Month Parts & Labor


Capsule Pak ECO™ industry leading energy efficiency.

The best, most energy efficient panel construction & insulation.

Nationwide installation & service program.

Build Your Indoor or Outdoor Walk-In: 14,000+ Configurations Available

Freezer or Cooler

QS Series walk-ins are available in cooling (+35°F) or freezing (-10°F) applications.

Floor Plan

From a space-saving 6’x6’ footprint to 10’x14’ for optimal capacity. Sizes are actual.

Door Width

For ease of loading and offloading product, choose from 26”, 30”, or 36” door widths.

Door Hinge

The hinges are spring-loaded and field-adjustable, ensuring the door closes fully and fits properly. You can choose between left-hand or right-hand opening.

With or Without Floor

Choose whether to include a smooth aluminum interior floor that supports up to 800 pounds per square foot.

Floor Plans

*10 x 14 freezer models ship with dual Capsule Pak ECO systems.

QS-Series Walk-In Options

  • 30″ high kickplates, installed
  • 30” or 36” wide doors
  • U-shaped shelving system
  • Exterior ramp
  • Strip curtains
  • Door rain hood (outdoor models only)
  • Non-skid floor strips (shipped loose)
  • Leak detector/alarm (may be a requirement in some areas)
  • Additional 5-year compressor warranty

Capsule Pak ECO Refrigeration Systems

QS Series walk-in coolers and freezers feature panels that are matched exclusively with one-piece Capsule Pak ECO plug-and-go refrigeration systems for easy installation. These systems feature a flush-mounted evaporator coil in the ceiling that doesn’t hang down, allowing for 100% usable interior space.

The Capsule Pak ECO system comes pre-charged with efficient and eco-friendly R-290 refrigerant, which offers a significantly reduced Global Warming Potential (GWP) of 3. Learn more about the many benefits of R-290 refrigerant here.

Savings Calculator

Use our savings calculator to see how much you can save with Master-Bilt’s polyurethane-insulated walk-ins.

Save More