S&B 4000

Medium - Portable Evaporative Cooler

Sale price
$2,999.00 USD
$4,939.00
Unit price  per 
S&B 4000

Medium - Portable Evaporative Cooler

Sale price
$2,999.00 USD
$4,939.00
Unit price  per 
IN STOCK – SHIPS NEXT BUSINESS DAY

Working in a hot, unventilated space isn't just uncomfortable — it's a productivity killer. The S&B Medium delivers powerful evaporative cooling for spaces up to 4,000 sq ft. Roll it in, plug it in, and cool down warehouses, auto shops, gyms, hangars, barns, construction sites, and outdoor event spaces — wherever heat is a problem.

Includes: cellulose cooling media, simple control panel, and caster wheels

TECHNICAL SPECIFICATIONS
  • Cooling Capacity: Up to 4,000 sq.ft
  • Airflow: 12,000 CFM
  • Water Reservoir: 65 gal.
  • Motor Speed: 795 rpm
  • Weight: 211 LB
  • Dimensions: 65" Wide x 78" Tall x 32" Deep
OTHER PRODUCT DETAILS
  • Aerodynamically designed 36” inch fan assembly to cool up to 4,000 sq. ft.
  • Easy to Use & Low Maintenance
  • Whisper-Quiet Operation – Our highly efficient motor brings noise down to just 64 dB, delivering cooling comfort without the disruption.
  • Long-Range Cooling – High-velocity performance pushes cool air as far as 40 feet.
  • Smart Water Management – Designed for worry-free operation with built-in water level indicators and a 65-gallon reservoir—10 gallons more than the Portacool 4000.
  • Radically Tough Housing – Our roto-molded design delivers standout durability and a rugged look, built to withstand harsh conditions and extend your cooler’s life.
  • Effortless Refilling – A convenient connection allows for quick refills and seamless hose connections to keep cooling continuous.
  • Plumbing Compatibility – Designed to connect seamlessly with standard plumbing fittings.
  • Best Media Performance: Our proprietary advanced media technology delivers superior cooling, conserves water, and reduces costs.
  • Standard 120V AC plug for easy use with any 120V outlet or extension cord.
Medium - Portable Evaporative Cooler
Sale price
$2,999.00 USD
$4,939.00
Unit price  per 
Sale price
$2,999.00 USD
$4,939.00
Unit price  per 

S&B Medium vs. Competitors

SPECIFICATIONS Price Blade Diameter Water Reservoir Power Weight
S&B Medium $2,999 36" 65 gal. 3/4 HP 211 LB
Apex 4000 $4,939 36" 55 gal. 3/4 HP 220 LB
Cool-Space 400 $4,599 36" 46 gal. 2/3 HP 220 LB
CB-28L $3,695 28" 80 gal. 1/3 HP 275 LB

GET TO KNOW THE S&B MEDIUM EVAPORATIVE COOLER

Water Flow Regulator Valve
Dial in exactly how much water hits the cooling pads and keep them saturated for maximum cooling without wasting water.
Water Level Gauge & Pump Stop
See exactly how much water is left at a glance. And when it runs low, the pump shuts off automatically to protect the unit.
Manual Reservoir Fill
No plumbing hookup needed. Fill the 65-gallon tank directly and get cooling wherever you need it.
Garden Hose Connection
Hook up a standard garden hose for continuous, uninterrupted cooling without stopping to refill the tank.
Easy Access Drain Plug
Empty the tank quickly for cleaning or storage. No tools, no mess, no hassle.
Simple Control Panel
Adjust airflow and cooling intensity on the fly and get back to work. No app, no Wi-Fi, no remote, no hassle.

QUICK SET UP GUIDE

SIZE COMPARISON

At 78 inches tall, the S&B Medium is built to cool large open spaces including warehouses, auto shops, gyms, and outdoor event areas, all without permanent installation.

REPLACEMENT MEDIA

MEDIUM CELLULOSE MEDIA

Keep your S&B Medium running at full efficiency. Replace your cellulose media once every 3 years or sooner if you notice the media is sagging or crumbling, or if cooling performance has noticeably declined.


large, medium and small evaporative cooler in a warehouse large, medium and small evaporative cooler in a warehouse SHOP SMALL
UP TO 1,200 SQ FT
SHOP SMALL
SHOP MEDIUM
UP TO 4,000 SQ FT
SHOP MEDIUM
SHOP LARGE
UP TO 6,000 SQ FT
SHOP LARGE

WHAT OUR CLIENTS SAID

 

Nate, Domestic Diesel

 

Mark, Threshold Aviation

  • THE LARGE UNITS ARE MONSTERS — EMPLOYEES LOVE THEM

    I'm a big fan. Had a few questions about coolers. The team helped me out and answered all of my questions. Was super easy to purchase on the website and shipping was faster than expected. The large S&B Evaps we have are monsters. They really cool in my warehouse and employees love them! Thank you!

    - Aaron P.

  • IT COOLS MY SHOP WITHOUT SPIKING MY POWER BILL

    Recently got the Small cooler, and I'm impressed! Living in a muggy area, it cools my shop without a spike in my power bill. The design looks cool, and it's user-friendly. I'm happy I chose this over other brands. Definitely recommend!

    - Shawn N.

  • COOLS FAST EVEN ON 110°+ DAYS

    The team is thrilled with the Medium Evap! This powerhouse cools fast, even on scorching 110+ degree days. Overall, happy with the performance. A great investment. Effective and efficient cooling. Five stars!

    - Juan R.

CUSTOMER REVIEWS