The system (10) has a heat transfer assembly (30) for transmission of heat in a heat transfer medium to water in a water reservoir (32). The assembly includes a heat exchanger pipe provided with a heat coupling region that is in thermal interaction with th...

The air-conditioning unit, in particular, for rooms of mobile items such as boats and trailers comprises refrigerant circulation components which are held in their working positions by holding elements consisting of a foamed plastic material.

The heating system (1) for a truck to be used when it is at rest, where the driver's cab is also used for sleeping quarters, has a heat pump circuit (2) with a heat transfer unit (3) to take up environmental heat from an ambient air inflow (15) and a secon...

A return air apparatus (10) is provided with a ceiling template (12), which is mounted to an air comfort appliance unit at the ceiling of a recreational vehicle, a down draft diverter (13), a return air cover (14), and a return air grille (17). The ceiling...

The hot water supply system has a hot water boiler (1) with an internal space (2) for reception of the water to be heated, at least partially enclosed by an outer space (5) through which the hot water in a secondary heating circuit (6) flows. A first heat ...

The air humidity regulator for a room has a moisture sensor (3) adjacent to a ventilation blower (1) in an air inlet opening (7). The sensor detects the relative humidity in the room and controls the rotation of the blower in dependence on the moisture lev...

Refrigerant in the first section (A) at pressure p1 is pumped by a compressor (1) into a second section (B) at higher pressure p2. From here it is expanded (6) into a third section (C) at a pressure p3, which is intermediate to p1 and p2. A heater warms th...

The ceiling grille (10) is for directing conditioned air from an air conditioning unit mounted upon the roof of a motor vehicle into a plenum (12) located inside the vehicle. The plenum (12) has front and rear air distributors (16, 19) rotatably mounted th...