Portable Climate · All Seasons

Cool your room in three minutes.
Heat it just as fast.

Coolizi is a four-season portable air conditioner built for renters, owners, and anyone who refuses to choose between comfort and convenience. Plug it in, set the temperature, and let it quietly reshape the air around you — no ducts, no drills, no tools.

9 000
BTU Cooling
7 000
BTU Heating
51 m²
Room Coverage
38 dB
Sleep Mode
Coolizi portable air conditioner in a modern Scandinavian living room
Designed for Real Rooms

A single unit that does the job of four appliances.

Cooling, heating, dehumidifying, and circulating — Coolizi consolidates the typical bedroom climate stack into one 24 kg chassis. Inside, a brushless inverter compressor and a ceramic PTC heating cell share the same airflow path, switched silently by software rather than by hand. The outcome is a unit that follows the seasons without ever asking you to swap hardware.

Coolizi unit close-up showing the cool airflow output

Rapid cooling, calibrated to the room.

The dual-hose architecture pulls return air from outside the room, isolating the hot-side heat exchanger from your living space. The result is a steady drop in temperature without the vacuum effect that drags warm, humid air back through door cracks and window frames. A built-in thermometer samples the room every six seconds and adjusts compressor output in 1 Hz increments to hold your set point within half a degree.

  • Cools a 30 m² room from 32°C to 23°C in roughly 9 minutes
  • Six operating modes: Cool, Heat, Fan, Dry, Sleep, Auto
  • 24-hour programmable timer with memory recall across power cycles
  • Infrared remote with backlit display and 6-metre range
The Engineering

Energy bills that make sense again.

Most portable air conditioners cycle a fixed-speed compressor on and off like a refrigerator from 1998. Coolizi's inverter drive modulates the compressor in 1 Hz increments, matching output to demand rather than blasting hard and then idling. Independent lab testing places seasonal energy efficiency at 4.1 CEER — roughly 35% better than the fixed-speed portable category average. For a household running the unit eight hours a day, that gap is a real line item on the utility bill.

Flat-lay of Coolizi with energy efficiency concept props

Built around an R32 refrigerant core.

The refrigeration loop runs on R32, a next-generation refrigerant with 68% lower global-warming potential than the R410A still common in older portables. A reusable washable pre-filter catches dust and lint before it reaches the evaporator, and an activated-carbon secondary filter absorbs cooking odours, pet dander, and the everyday smell of a lived-in room. Both filters slide out from the front grille without tools, so upkeep is a 30-second job once a month.

  • Brushless DC inverter compressor, 900 W cooling / 1 200 W heating
  • R32 refrigerant — 68% lower GWP than R410A
  • Washable pre-filter plus activated-carbon deodorising filter
  • Auto-evaporative condensate system — no manual draining in cool mode
4.1
CEER Rating
120 V
Standard Outlet
24 kg
Unit Weight
2 yr
Full Warranty
Living With It

Quiet enough to forget it's running.

At full cooling output, Coolizi registers 48 dB at one metre — quieter than a domestic refrigerator humming in the next room. Drop the unit into Sleep Mode and the compressor slows to 1 100 rpm, the display switches off entirely, and the sound floor settles to 38 dB, roughly the volume of leaves turning outside an open window. A viscoelastic damping cradle isolates the compressor from the chassis, and the louver motor is mounted on a separate floating sub-frame so that the gentle ticking you hear on cheap portables simply isn't there.

A peaceful bedroom at night with Coolizi running in the corner

Whether you are recording a podcast, taking a video call from your home office, putting a baby down for the night, or just trying to read on a hot afternoon, Coolizi keeps the climate in the background where it belongs. The optional Sleep Curve feature gradually raises the set point by one degree per hour through the night, so the room never gets cold enough to wake you — but the unit never has to work hard to recover, either.

Portability

One unit. Every room. Every season.

Coolizi weighs 24 kg and rides on four medical-grade swivel casters, two of them locking. The recessed side handle is moulded directly into the chassis, so there is nothing to unscrew, fold, or assemble. Lift it over a doorway threshold, wheel it from the living room into the home office, plug it into a standard 120 V outlet, and you have full climate control in under two minutes. Store it in a closet between shoulder seasons — its footprint is 35 × 38 cm, smaller than a carry-on suitcase.

A person wheeling Coolizi between rooms on its swivel casters

The included window kit ships flat-packed inside the product carton, so there is no extra box to find a home for. A single 150 mm adapter fits sliding, casement, and hung windows alike, with foam sealing strips that compress to fill irregular gaps. No drilling, no brackets left behind, no landlord conversations. When you move apartments, Coolizi moves with you — that is the entire point.

We wanted a climate appliance that respects the room it lives in — quietly, electrically, and aesthetically. Coolizi is that appliance.
— The Coolizi Engineering Team
Get in Touch

Talk to a real person, any hour of any day.

Our customer-experience team is staffed 24 hours a day, 7 days a week, across three time zones. Whether you have a question about installation, a warranty enquiry, or simply want advice on sizing a unit for your space, we will reply within 24 hours — usually a good deal faster. We do not outsource support, and we do not use chatbots as a first line of defence.

Customer Service
Mailing Address
384 Harborline Way, Suite 11B, Portsmouth, NH 03801, United States