Customer Reviews For The Honeywell Heat and Cool Portable Air Conditioner with Heating Pump - 14,000 BTU

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How does the heating function work compared to a standard heater?

This unit features a built-in heat pump, which allows it to provide efficient spot heating during the colder months. It is designed to heat rooms up to 500 square feet, making it a perfect year-round solution for staying comfortable. Note that the heat pump works best in rooms with less than 50% humidity and may require more frequent drainage than the cooling mode.

What is the cooling capacity for this model?

The MN4HFS9 provides 14,000 BTU (ASHRAE-128 Standard) / 9,000 BTU (SACC) of cooling power. It is designed to effectively cool large spaces up to 700 square feet, such as living rooms, open-concept dining areas, or larger master suites.

Do I need to empty the water tank in Cooling Mode?

Generally, no. The unit uses an Auto-Evaporation System that automatically exhausts collected moisture through the air outlet hose. This no-bucket, no-drip design works effectively under most conditions. However, in extremely humid environments, you may eventually need to manually drain the internal safety tank.

Can this unit be used as a standalone dehumidifier?

Yes. It includes a dedicated Dehumidifier Mode capable of removing up to 51 pints of moisture per 24 hours. For continuous operation in damp areas like basements, you can connect the included drain tube to a standard garden hose for unattended drainage.

What is included for installation?

The unit comes with a complete window installation kit, featuring an adjustable window bracket and a flexible exhaust hose. The bracket is designed to fit most standard vertical or horizontal sliding windows, and since it requires no permanent installation, you can easily move the unit between rooms using its smooth-gliding caster wheels.

Honeywell Portable Air Conditioner w/ Heating

Stay cool and dry with this MN4HFS9 Honeywell Portable Air Conditioner with Heater. This unit combines 4-in-1 technology in one sleek body, cooling and dehumidifying areas up to 700 sq. ft. and heating areas up to 500 sq. ft. Featuring cooling and heating functions, this portable air conditioner is useful for year round use.The MN4HFS9 features an auto-evaporation system, a reliable dehumidifying function, and a traditional three-speed fan function to deliver optimum cooling, dehumidification, and fresh ventilation.

The full-function remote control allows you to operate each feature from across the room. Unlike a fixed air conditioner, the Honeywell MN4HFS9 Portable Air Conditioner requires no permanent installation. Smooth-gliding wheels make sliding it from room to room a breeze. This portable ac unit comes equipped with everything needed, including a flexible exhaust hose and an easy-to-install window venting kit, which can be removed when the ac unit is not in use.

Air Conditioner Mode

Portable air conditioner cools rooms up to 700 sq. ft
Quiet operation (54 dbA)
R410A environmentally-friendly refrigerant
Auto-Evaporation System: Collected water from cooling is removed automatically. No bucket, no-drip design (this operation depends on the humidity level at your location)

Fan-Only Mode

Gently circulates air even when air conditioner cooling is not needed

Heating Mode

Heats rooms up to 500 ft.
Portable heat pump provides additional spot heating to complement your room's main heat source when needed
Perfect for heating rooms with less than 50% humidity. Requires more frequent drainage than in cooling mode

Dehumidifier Mode

Removes excess moisture from air (Ideal for areas with high humidity like basements)
Dehumidification capacity up to 51 pints per 24 hours
Continuous Drain System: Connect a standard garden hose tube to continuously drain water collected when using in Dehumidifying Mode

Portable Design

Exhaust Hose Length: 12 in. to 47 in.
Exhaust Hose Diameter: 5 in.
Window Bracket Width: Min. 19.7 in. or 38.2 in. to 47.2 in.
Smooth gliding caster wheels easily roll unit from room to room

Additional Features

Multiple Fan Speeds: High, Medium, Low
235 CFM powerful air flow
Washable filter helps catch unwanted dust particles in the air
Digital LED display with feather touch controls
Full function remote control with LCD display
Programmable Timer (Set to turn ON/OFF in advance from 1 to 24 hours)
Quick & Easy Installation - all parts included
1-Year Limited Warranty

What's in the Box

1 MN4HFS9 Honeywell Portable Air Conditioner & Heater with Dehumidifier, Fan - (Black/Silver)
1 Full Set Easy Window Installation Kit
1 Remote Control (batteries included)
1 Owner's Manual & Warranty