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Air handling unit PAC 3500
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  4. Comfort air conditioners of the PAC series
  5. PAC 3500

PAC 3500 local air conditioner

Immediately creates pleasant feel-good climate, whenever and wherever you want!

Just switch it on and enjoy the refreshing breeze!

This powerful air handling unit in compact monobloc design unites reliable air-conditioning technology and convenient equipment features with a remarkable value-for-money ratio.

Thanks to 3.5 kW cooling capacity, automatic temperature control via a digital thermostat and energy efficiency category A, the air handling unit PAC 3500 is ideally suited for cost-efficient air conditioning in workshops, hotel rooms, offices, server rooms or in exhibition stand construction and many other fields of application.

With this air conditioner you can directly enter the desired temperature value instead of using unreferenced adjustment levels between minimum and maximum operation. An integrated thermostat implements this target fully automatically and adjusts the performance of the PAC 3500.

However, this air handling unit not only cools the room air, if required it also works as powerful dehumidifier. Hence, damp walls, musty smells, rust, condensation water and mould formation is prevented.

With this model warm air can be discharged directly through the window, suspended ceilings or other ducts to the open air via a hose of 1.2 m length.

Monobloc units such as the PAC 3500 are ideal spot coolers. All of the technology is accommodated in one compact housing. The sucked-in air is filtered and fed back to the room after dehumidification.

The warmth is led outside through a flexible exhaust air hose. The window or door only needs to be opened by a tiny crack. The humidity is collected in a collecting tank in form of condensate.

Product brochure Guide to practical knowledge of room cooling


Enjoy pleasant refreshment! You can also find all the relevant information about our comfort air conditioning units in the product brochure. Download the PDF directly here.

To the PDF document

Environmentally friendly refrigerant R290

Propane (R290) as environmentally friendly refrigerant in air conditioning systems

Every year, several million tons of harmful CO2 emissions (greenhouse gas) are emitted to the atmosphere due to synthetic refrigerants. For this reason, the utilization of alternative refrigerants has become one of our key objectives. By using propane (R290) as refrigerant this air conditioner makes a valuable contribution to protecting our climate.

The natural refrigerant propane (R290) is an organic compound belonging to the group of hydrocarbons. Unlike synthetic refrigerants the environmentally friendly propane (R290) comes with neither ozone depletion potential (ODP = 0) nor a noteworthy greenhouse effect (GWP = 3).

Additional bonus for the environment: Owing to its excellent thermodynamic properties, propane (R290) is a particularly energy-efficient refrigerant thereby additionally reducing your energy costs. 

Convenient and cool – high performance for large rooms

Comfortably control the PAC 3500 air conditioner from your seat. All functions and settings cannot only be made via the LCD display on the device but also by means of the remote control – without even leaving your seat.

Timer function

An individual feel-good climate straight to the point: Use the 24-hour timer to programme the switch-on or switch-off time of the PAC 3500 in a way that coincides with your daily rhythm. For instance, you can start into your work day with agreeable temperatures. Or use the timer to ban the heat that has built up during the day from your bedroom in time before retiring to bed for a good night's rest. The device is equipped with recessed handles and low-friction rollers permitting the quick and easy transportation into other rooms equally in need of a fresh breeze.  

Air filter for animal hair, fluff and dust

The air filter integrated on the rear reliably removes animal hair, fluff and dust that is raised from the room air. This makes especially allergy sufferers and people with a sensitive respiratory tract breathe freely and deeply. The removable filter can be easily cleaned by just wiping or rinsing it. If you like to position the air conditioner in another room, it can be conveniently moved from one location to another thanks to its smooth-running wheels.

Design and functional diversity

Every room design is different. The simple and modern air conditioner blends in beautifully with nearly any kind of interior design. Whether as fan, dehumidifier or for powerful cooling – the comfort air conditioner PAC 3500 allows you to enjoy a pleasant, in-style feel-good climate throughout the year!

Calculation of the required cooling capacity

Quick calculation of the required cooling capacity for living and office spaces

Find out how to easily calculate the cooling capacity required for your living and office spaces.

How much power is required to cool a room? The rule of thumb: Every cubic metre of room volume requires a cooling capacity of 30 watts (1 m3 = 30 W).

Using this blanket value the required cooling capacity can be determined quickly and easily for every room size. Example: Assuming a room with 46 m² of floor space and a room height of 2.5 m.
The resulting calculation reads as follows:

Room volume calculation:
45 m² of floor space x 2.5 m ceiling height = a room volume of 115 m³

Calculation of the cooling capacity required for the room volume:
115 m³ cubature x 30 watts of cooling capacity = required cooling capacity of 3,450 watts

Conversion from watt to kilowatt:
3,450 W = 3.5 kW

Result: In a room with 45 m2 of floor space and a height of 2.5 m you need an air conditioner with a cooling capacity of 3.5 kW – such as the PAC 3500.

This is only a rough calculation formula for living and office spaces with modern insulation (passive house standard), though. The required cooling capacity further depends on the room's "thermal load": For selecting an appropriate air conditioner, the factors of insolation, insulation, window dimensions, the number of persons as well as the heat sources play an equally important role.

You would like to find out more? Our info page "Practical knowledge concerning air conditioning" contains all the important information. By reading it you will quickly become an air conditioning expert.

AirLock window and door seals

ACCESSORY TIP: AirLock window seals prevent warm air from streaming back into the room you are trying to cool. 

The warm air is discharged through an air conditioner's exhaust air hose and thus through a window into the open air. In order to keep the warm air from streaming right back into the room through the window gap we recommend using AirLock window or door seals.

AirLock 100 window seal

Suitable for windows with a maximum perimeter of up to 4 metres is the window seal AirLock 100. The hose can be attached to any type of window (casement, bottom-hung or skylight windows). With the Velcro® tape mounting between window and frame only takes a few steps. This ensures an optimal cooling efficiency in the room and substantially reduces the consumption costs of your air conditioner.

AirLock 1000 door and window seal

Also perfect for floor-to-ceiling windows or balcony and patio doors.

The convenient door and window seal AirLock 1000 was specifically designed for sealing floor-to-ceiling windows or balcony and patio doors – it is the only window seal on the market that has a perimeter of up to 5.6 metres. The AirLock 1000 can be used for both one- or two-hose devices. Further information on all available AirLock versions is provided here.

PAC 3500 – compact dimensions
Focus on performance and comfort: The elegant white air conditioner blends in perfectly with any living or working environment. The compact dimensions and the cooling capacity of 3.5 kW / 12,000 Btu/h provide feelgood freshness for rooms up to 45 m² or 115 m³.
PAC 3500 – energy label
The energy consumption of an air conditioner is an important factor. With energy efficiency category A you can be on the safe side that your electricity costs will keep within reasonable bounds. With functions for condensate recycling and thermostat-controlled switch-on/off, the device itself permits a rather efficient and economical cooling operation.
PAC 3500 – adjustable fins
The air current can be regulated in 3 speed levels. In a way that is most agreeable for you.
PAC 3500 – air filter
The integrated air filter cleans the room air from pieces of dust, fluff and animal hair. This does not only make life easier for people suffering from allergies. The filter can be easily removed to be wiped or cleaned under running water.
PAC 3500 – operating panel
The neatly arranged control panel reveals all important setting options at one glance and so offers a very intuitive operation. Depending on the setting, the LED display indicates the desired target temperature or the number of hours until the pre-programmed automatic switch-on or -off.
PAC 3500 – remote control
All functions and settings can also be carried out via infrared remote control. Whether at home or in the office – this allows you to adjust the air conditioner conveniently from your seat, according to your individual requirements.
PAC 3500 E – recessed handles and wheels
The device comes equipped with smooth-running wheels. Thanks to the recessed handles at the side the air conditioner can quickly and easily be moved from one room to the next, hence you can enjoy cooling wherever you want.
PAC 3500 E – condensate drain
In dehumidification mode the condensate produced within the device is reused for cooling, which means that there is hardly any residual water. In case of a high humidity level or continuous cooling operation, the accumulating condensate can be collected in the residual water tank. Draining the container can be easily carried out by connecting a condensation drain hose.

Cooling for any room

Cooling in the office
Keep your head cool on hot working days: The local air conditioner PAC 3500 is the optimal cooling solution on hot days for office rooms up to 45 m². The classic white housing optimally fits into any kind of room interior.
Cooling for bedrooms
Whether as air conditioner, fan or dehumidifier: The multifunctional air conditioner PAC 3500 can be used in your flat any day of the year.
Comfort air conditioners of the PAC series

All Comfort air conditioners of the PAC series in direct comparison:

To find the Comfort air conditioners of the PAC series which exactly meets your requirements, please consult the concise overview of all Comfort air conditioners of the PAC series from Trotec, which we’re providing to you here so that you can compare them directly to each other.

Models which you do not wish to include in your comparison can be easily dismissed with only one click.

Technical data by comparison

A few practical benefits:

  • High cooling capacity – immediately ready for operation
  • Energy efficiency category A
  • Timer function for switch-on/-off time
  • Thermostat control with real-value temperature selection
  • Adjustable air discharge direction
  • IR remote control
  • Three fan stages
  • Suitable for rooms to a size of 115 m³
  • Control electronics with digital operating display
  • Integrated dehumidifier function
  • Compact design and minimum storage space
  • Removable air filter

All important features at a glance

Cooling capacity
Cooling capacity
With its 3.5 kW the air conditioner provides a pleasantly chilled feel-good climate.
Dehumidification function
Dehumidification function
The humidity level in the room can be reduced even without the cooling function.
3 fan settings
3 fan settings
The room air is circulated even when the cooling function is switched off.
Automatic function
Automatic mode
Controls the cooling level depending on the ambient and target temperature.
Remote control
Remote control
Control your air conditioner conveniently using the infrared remote control.
LED display
LED display
The LED display provides information on all important parameters.
Timer function
Timer function
The air conditioner automatically switches on or off after the desired period.
Room thermostat
Room thermostat
The current room temperature is determined by the integrated thermostat.
Air filter
Air filter
Anti-bacterial, washable filter for air quality improvement.
Condensation water recycling
Condensation water recycling. Reduces energy demand and constant emptying of the container.
Thanks to the low-friction castors the air conditioner can be positioned as needed.
Climate know-how from Trotec

Monobloc or split? One-hose or two-hose technology?

Don't get hosed by competitive statements, we provide the big picture. Before purchase make sure to get an overview of device differences, functional principles and possible applications.

Trotec, your climate expert, has compiled the most important facts in a reader-friendly overview! Direct link to the "Practical knowledge concerning air conditioning" ...

Benefit from the Trotec brand quality guaranteeing high value, safety and functionality. Via the registered GS mark the inspection authority TÜV Rheinland certifies that, if used foreseeably and as intended, the device does not pose a risk to the health and safety of the user.

A boost of freshness: Enjoy maximum refreshment anywhere in the room! 

Do you want to additionally support the effect your air conditioner has? In order to really distribute the cool air into every last corner of the room we recommend using the powerful fan TFH 2000 E with turbo spin technology. The extremely compressed turbulent air flow gushes out of the TFH 2000 E as tornado-like air column that revolves around itself and advances deep into the room. The air current breaks through warm and cold room air zones mixing it all up. The exiting air current encounters the opposite wall or the ceiling and from there is deflected to all sides.

In a constant circulation the air returns to the rear of the fan flowing along the side walls and the ceiling. It is sucked in once more to start a new cycle. This effective turbo spin method ensures maximum circulation and mixing of the room air. The temperature difference between cold air near the ground and warm air just beneath the ceiling is substantially reduced, instead the air temperature in the entire room is noticeably evened out.


Lokales Klimagerät PAC 3500 show in Trotec online shop

Lokales Klimagerät PAC 3500

You save: 49.00 €

428.99 € 379.99 € incl. VAT Show net price (VAT not included)


Daily rent:
14.28 € incl. VAT per day


Technical data

Technical data
General information
  Article number
Cooling capacity
  Max. cooling capacity [kW] 3.5
  Max. cooling capacity [Btu/h] 12,000
Recommended room size
Air flow rate
  Level Max. [m³/h] 440
  stages 3
Dehumidification performance
  Max. dehumidification performance [l/h] 3
Attainable room temperature
  (min.) depending on operating conditions [°C] 16
  (max.) depending on operating conditions [°C] 32
Cooling medium
  Cooling medium Air
Ambient conditions
  Min. temperature range [°C] 16
  Max. temperature range [°C] 35
Electrical values
  Mains connection 220 - 240 V, 50 Hz
  Power input [kW] 1.4
  Nominal current consumption [A] 6.1
  Recommended fusing [A] 10
Electric connection
  Connection plug CEE 7/7
  Cable length [m] 1.5
  Minimum room size [m²] 15
  refrigerant R290
  Amount of refrigerant [g] 300
  GWP factor 3
  CO2 equivalent 0.0009 t
  Pressure suction side [MPa] 1.2
  Pressure outlet side [MPa] 2.4
Sound values
  Noise emission [dB(A)] according to EN ISO 3745:2012 65 dB(A)
  Level 1 - Distance 1 m [dB(A)] 54
  Level 2 - Distance 1 m [dB(A)] 52
  Level 3 - Distance 1 m [dB(A)] 54
Exhaust air
  Total length [m] 1.2
  Diameter [mm] 153
  Length (packaging excluded) [mm] 388
  Width (packaging excluded) [mm] 435
  Height (packaging excluded) [mm] 770
  (packaging excluded) [kg] 33
Equipment, features and functions
Condensate draining
  Exhaust air
  With condensation tray
  With water tank
  With condensate drain
Timer function
  Switch-on time preselectable
  Switch-off time can be preselected
Room thermostat
Room air filter
Additional functions
  Adjustable air discharge direction
  Dehumidification function
  Ventilation function
  Automatic function
  Fan rundown function
  Swing function
Control panel
  Mikroprozessorgesteuerter Betrieb
  Elektronisches Bedientableau
  LED display
  Carry/transport handle(s)
  Plastic wheels
  Rubber-tyred metal wheels
  Swivel casters with parking brakes
  Non-marking full-rubber wheels
  Adjustable bar handle
Housing design

 standard equipment

 optionally available

 not available



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