Frequently Asked Questions

What is portable air conditioning?

Portable air conditioners are the easiest route to true air conditioning in the office or home. They can be installed easily, connecting into a 13amp socket and are ready to use immediately. Mobile air conditioning units work by taking heat from a room and expelling it to the outside. The air inside the room is chilled and re-circulated. There are two main types of Portable units. Single unit (Monobloc) and split systems.

Single Units (Monobloc)
These are instantly recognised by their exhaust hose, which is used to expel the hot and humid air to the outside of the room. Single units can cope with a wide range of standard room requirements.

Spilt Systems
For larger rooms that have bigger heat loads split systems are normally required. They are easily recognised by the separate (condenser) box that needs to be placed outside of the room.

What are air purifiers?

Air purifiers simply do as the name suggests. These machines purify the air we breathe. In today’s well built, insulated and sealed buildings, tobacco smoke, odours, pollen, spores, germs and other air-born impurities are becoming an ever-increasing problem. The lack of controlled ventilation adds to this problem. The energy efficient homes of today are so tightly sealed against the elements that we breathe the same air over and over again. Air Purifiers are designed to remove smoke, pollen, dust, bacteria, and other irritating allergens from the air helping people breathe more easily. An air purifier can be a healthy addition to any home or office environment.

What are fans?

A fan does not actually lower the temperature of a room, it simply creates wind chill. The spinning blades of a fan create a breeze. The air moves across the skin and evaporates moisture from the skin’s surface, making you feel cooler. Safeair will occasionally recommend the use of a fan in conjunction with a portable air conditioner to increase the 'throw' of treated air.

What are evaporative coolers?

When water evaporates, ie. changes from a liquid to vapour, an endothermic reaction takes place meaning that heat is drawn from its surroundings. This process explains why you feel colder when wet and is also the principle on which evaporative cooling is based. These machines use evaporating cold water to create a cool air flow. These units require that doors and windows be left open to ensure that a good fresh airflow from the outside can enter the room. The units do not drop room temperature and a person must be in the airflow to benefits from them. It must be noted that they do increase humidity, hence the need for a lot of outside air to circulate into the area to prevent excessive humidity.

What are De-humidifiers?

Most people are familiar with the principle of condensation. When air is chilled below its dewpoint temperature, moisture condenses on the nearest surface. The process of cooling and condensation dehumidifies the air. Excess moisture and condensation can be a big problem but there is, however, a simple and effective solution in a good quality dehumidifier.

Dehumidifiers use a refrigeration circuit to create a series of chilled plates onto which moisture condenses before being collected in a container or running to a drain. The resulting drier air flow then passes over the warm side of the circuit for re-heating before being returned to the room.

What are Humidifiers?

Two main factors, the temperature and the relative humidity of the air influence indoor air quality. A relative humidity of 45% - 55% is considered pleasant and healthy. Heating systems and dry winter air often combine to reduce indoor humidity levels to below 25%. Dry throat, sore lips, and other uncomfortable symptoms are often the result of low humidity.

What are the costs involved ?

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