Trotec PAC 3810 S

Understand this model’s installation, intended use and limitations. Product documentation by Freath, without a laboratory test.

Documented specifications
Comparison pointAvailable information
ConfigurationPortable monoblock with heat exhausted outdoors
Cooling capacity3.8 kW cooling capacity listed
Listed maximum area or volume, conditions apply50 m²
Comparable noise in everyday useNot established by Freath; check the method and manual
Consumption in your roomNot established by Freath; check the method and manual
Sales through FreathNot currently offered

Which rooms are worth assessing for the PAC 3810 S?

The Trotec PAC 3810 S is documented as a portable monoblock providing 3.8 kW of cooling, with advertised coverage up to 50 m². We use it to examine a larger 40 m² lounge and the limits of a 50 m² selection. Heat needs an exhaust route outdoors. In an L-shaped living room, also check how air reaches the distant section: capacity alone does not solve distribution. A heavily exposed room needs a closer assessment before deciding whether this capacity is appropriate. Freath has not tested the appliance in these conditions or established a room-specific temperature result.

The large-room limitation

At 50 m², the room is already at the documented commercial coverage limit. This page does not promise cooling across several bedrooms or a guaranteed temperature during a heatwave. No acoustic figure is presented here as a Freath test result. Before buying, check the exact PAC 3810 S documentation, the measurement conditions and the accessories needed for your actual window type, rather than relying on the model name alone.

Who should consider it?

Consider it for a large single-zone lounge, comparing the listed 3.8 kW with volume and sun exposure. An L-shaped room or several bedrooms also needs an assessment of air distribution.

What may work in its favour

The documented cooling capacity of 3.8 kW is above that of the Freath One 12, about 3.5 kW. That difference may matter depending on estimated demand, but does not establish better efficiency.

The limitation to assess

The listed 50 m² does not guarantee results in an attic, strong sunshine or multiple rooms. Suitable heat exhaust and the manual’s clearances remain necessary.

Compared with FREATH ONE: useful facts

Trotec PAC 3810 S / FREATH ONE
CriterionThis modelFREATH ONE
Listed cooling capacity3.8 kW cooling capacity listed12,000 BTU (about 3.5 kW) or 14,000 BTU · manufacturer’s quotation
Area or volume50 m²No universal floor-area guarantee; assess the room
Noise under comparable conditionsNot established in our evidence; no proven winnerNot established in our evidence; no proven winner
Actual electricity useNot established in our evidence; no proven winnerNot established in our evidence; no proven winner

To estimate costs in CHF, use the exact model’s electrical input, your operating hours and electricity tariff. Do not enter cooling capacity as electricity consumption. We do not publish model-specific running costs without that input.

Estimate electricity costs →

Sources and evidence level

This model’s figures come from the retailer page linked below, observed on the date shown. They are not Freath measurements. Confirm accessories and conditions with the manufacturer documentation for the exact reference before buying. Missing information is not inferred from a marketing name.

Aircenter Suisse ·

Should you consider the Freath alternative?

FREATH ONE may belong on your shortlist if its capacity and installation match your needs. Its two capacities, 12,000 and 14,000 BTU, do not alone demonstrate better comfort, less noise or lower electricity use. The room check exposes covered criteria, unknown data and incompatible requirements.

Check FREATH ONE for my room →

Our choice: FREATH ONE.

Comparison published by Freath, the brand behind FREATH ONE. This third-party model is documented to help you compare.

Explore FREATH ONE Estimate capacity for my room

Use these guides to define your room

Method and limitations

This page draws on commercial information consulted on 2026-09-14. Observations and references are retained in the editorial source files. No in-house test, test score or product photograph presented as test evidence. Follow the exact model’s manual for installation.