how much water does it take?.....Can you add ice?....what happens if you fall asleep and it runs out of water,will the pump be damaged?

The unit takes about 4 gallons of water. Yes, I have added ice to the water chamber. There is not an automatic shutoff so I am quite sure you would burn up the pump if you let it run dry. Also, you need to run the unit on fan only for at least 1/2 hour after usage to dry the membrane. Others have complained of their water smelling, but I’m sure it was the membrane from not being properly dried after use. I have mine plugged into a timer so that when I’m finished with it and turn it to fan only, it shuts off automatically after 1/2 hour.

How do you install the casters? Past the tip there’s is a ring that prevents me from inserting them completely. What am I missing?

Place the wheels with the "brake" in the front of the unit. Tap with cloth-covered hammer or rubber mallet to set them into place. Hope that helps!

How to open water door? The tab to pull on is too narrow to grasp.

You don't grasp the tab you push down on it with your thumb. The door will rotate out.

How long will it run before the water runs out?

It depends a bit on the humidity, the lower the humidity in the air you are pulling in the faster water can evaporate. On hot dry 20ish % humidity days with the fan on high I get about 4 hours before the water level reaches the bottom of the water level window (but after this point it has maybe a gallon left in it, I assume to protect the pump from running dry). With the fan on the low setting it will run overnight (7-8 hours) without running out of water.

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MC18M/V

Product ID: 791344283

Details

Air Flow Capacity
1300 cfm
Brand
Hessaire
Color
White
Controls Type
Knob
Floor Area
500
Item Weight
16 pounds

💨1300 CFM powerful airflow

🔋up to 50% energy savings

🛠️lightweight & durable ABS resin

€ 1025.25

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Description

❄️ Stay Cool, Save Green, and Own the Outdoors!

SMART ENERGY SAVER - Cut your electricity bills by up to 50% with high-efficiency evaporative cooling.
PLUG POUR CHILL - Simple setup with a 4.8-gallon tank and garden hose adapter for continuous cooling.
WHISPER QUIET COMFORT - Operates at a peaceful 53.4 dB, perfect for work, play, or relaxation.
EFFORTLESS PORTABILITY - Lightweight 16 lbs design with wheels for seamless indoor/outdoor mobility.
BREATHE LIFE INTO YOUR SPACE - Delivers a robust 1300 CFM airflow, cooling up to 500 sq. ft. with ease.

The Hessaire MC18M Portable Swamp Cooler delivers powerful 1300 CFM evaporative cooling across 500 sq. ft., using a high-density XeL50 media for optimized airflow and up to 50% energy savings. Lightweight and durable with a 4.8-gallon tank, it features quiet operation at 53.4 dB, dual fan speeds, and easy maintenance, making it the ultimate energy-efficient cooling solution for dry, hot climates and outdoor events.

Specifications

ASIN	B078HFGJ3T
Additional Features	Wheels
Air Flow Capacity	1300 cfm
Best Sellers Rank	#69,026 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #18 in Mini Evaporative Coolers
Brand Name	Hessaire
Color	White
Controls Type	Knob
Customer Reviews	4.1 4.1 out of 5 stars (4,533)
Energy Consumption Standard	82 watts
Floor Area	500 square_feet
Form Factor	Personal
Global Trade Identification Number	00818015024061
Included Components	Evaporative Fan
Item Dimensions D x W x H	48"D x 48"W x 48"H
Item Nype Name	Evaporative Cooler
Item Weight	16 pounds
Manufacturer	Hessaire
Manufacturer Part Number	MC18M
Material Type	Polypropylene (PP)
Model Name	MC18M
Model Number	MC18
Mounting Type	Freestanding
Noise	53.4 db
Number of Items	1
Number of Speeds	2
Operation Mode	Manual
Recommended Uses For Product	Residential
Reservoir Capacity	4.8 gallons
Size	1300 CFM
UPC	600186762534 818015024061
Unit Count	1 Count
Voltage	115
Warranty Description	1 year parts, Call Vendor
Wattage	85 watts

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