Honeywell HF09 Wi-Fi
Portable monoblocA

Honeywell

HF09 Wi-Fi

A mainstream smart single-hose portable with app control for everyday medium-room cooling. It vents through a window with the included kit and needs no fitting.

€379

List price

unit only, plug-in, window kit included

No live retailer link for this model right now.

This is a plug-in unit (no installer needed); we just have no live retailer for it right now. Compare it against models you can buy today.

Will it cool your room?

Room size (assumed)25 m² ≈ 269 sq ft
Fits a 25 m² room

This unit's cooling matches a 25 m² room. Set your room size to check the fit for your space.

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At a glance

Best for medium bedrooms and living rooms up to about 25 m2 for users who want app control.

Cooling
2.6 kW
Size
Average
Noise
52 dB
Audible
Install: Plug and playPermission: No permission needed

Performance

Cooling capacity
2.6 kW · 9,000 BTU
Heating capacity
Cooling only
Room coverage
20–25 m²
SEER (cooling)
Not published
SCOP (heating)
Not published
Energy class (cooling)
A
Energy class (heating)
Not published
Annual energy (cooling)
Not published

Noise, size & features

Indoor noise
52 dB(A)about as loud as a refrigerator
Outdoor noise
Not published
Indoor unit
390 x 765 x 390 mm (WxHxD)
Outdoor unit
None
Refrigerant
R290
Wi-Fi / app
Yes
Outdoor unit needed
No

What is good

  • Wi-Fi and app control with 24h timer
  • 3-in-1 cooling, fan and dehumidifier
  • Eco R290 refrigerant
  • Widely stocked and supported across Europe

What to watch

  • Single-hose, so efficiency drops in sealed sunny rooms
  • Louder, up to ~65 dB(A) sound power at full speed
  • Only A energy class

Installation & the rules that apply

This is a portable monobloc. The most regulation-light option by far. No F-gas certified installer is needed because you never break into the refrigerant circuit, no planning permission or permit is triggered since nothing is fixed to the building, and a landlord usually cannot refuse it as there are no permanent alterations. The main constraints are the tenancy or building rules on window-kit appearance and noise nuisance to neighbours.

Installation

Plug and play

Refrigerant

R290

GeneralRenters: get written landlord consent firstReviewed June 2026Often blocks install
GermanyDenkmalschutz: visible changes to listed buildings need approvalReviewed June 2026Permit required
European UnionPortable monobloc units need no refrigerant handlingReviewed June 2026Good to know
European UnionEU energy label and SEER / SCOP for air conditionersReviewed June 2026Good to know
European UnionEnergy classes are moving to a plain A to G scaleReviewed June 2026Good to know
See full rules by region

Common questions about the Honeywell HF09 Wi-Fi

How loud is the Honeywell HF09 Wi-Fi?
52 dB(A) indoors, about as loud as a refrigerator.
How energy-efficient is the Honeywell HF09 Wi-Fi?
Its efficiency rating is A.
What size room does the Honeywell HF09 Wi-Fi cool?
It is rated to cool a room 20–25 m² (2.6 kW · 9,000 BTU).
Do I need a professional to install the Honeywell HF09 Wi-Fi?
No. It is a portable monobloc you can fit yourself, no professional needed. No permission needed.

Is a portable even the right type?

Compare portables against the other types on price, noise, efficiency and install.