| 29th July 2010 | |
Please install the latest Flash player
| WARNING | |
| This company's information has not been checked and verified. Do you wish to continue? | |
  |
|
| WARNING | |
| This company's information has been checked and verified, but some details have lapsed. Do you wish to continue? | |
| | |
| This feature is available to registered users only. Please press OK to Register or Cancel to continue. |
||
  |
| Before you select vendors you need to create a Project and a Package then from the Action box click select Vendors. | ||
|
 The red button signifies that the company has not disclosed information for checking by the Building Register. |
||
|
 The red/amber button signifies that the company has disclosed information to the Building Register, but one or more items have lapsed. |
||
|
 The amber button signifies that the company is in the disclosure process, but as yet this is not complete. |
||
|
 The green button signifies that the company has disclosed its company information to the Building Register. |
||
|
 The green light PLUS signifies that the company has disclosed its information and has passed an independent UKAS Fire,Risk and Health & Safety assessment |
||
|
| This function is not available, Please contact your admin. | ||
|
 The blue button signifies that the company is in the disclosure process, but as yet this is not complete. |
||
|
 |
 This company has NOT disclosed its information although they have passed an independent Fire, Risk and Health & Safety Assessment. |
||
|
 This company is in the process of disclosing its information although they have passed an independent Fire, Risk and Health & Safety Assessment. |
||
|
| Passed UKAS Fire, Risk and Health & Safety assessment |
Completed Building Register Pre Qualification assessment |
|
|
 |
|
|
 |
|
|
|
Pending |
|
|
Pending |
|
|
|
|
|
|
|
|
||
|
||||||||
| |
||||||||
| Trade information |
The purpose of refrigeration is to lower the temperature of an enclosed area or space and maintain that lowered temperature. The term cooling refers generally to any natural or artificial process by which heat is dissipated.
Commonly used forms of refrigeration include air-conditioning of private homes and public buildings. and the refrigeration
of food and drinks in homes. restaurants and large storage warehouses.In commerce and manufacturing. there are many uses for refrigeration. In compressed air purification. it is used to condense water vapour to reduce its moisture content. Metal workers use refrigeration to temper steel and cutlery. In transporting foodstuffs which must remain a certain temperature and other maerials by trucks. trains. aeroplane and ships.
Methods of refrigeration can be classified as non-cyclic. cyclic and thermoelectric.
Non-cyclic refrigeration
In these methods. cooling can be accomplished by melting ice. These methods are used for small-scale refrigeration such as in laboratories and workshops. or in portable coolers.
Cyclic refrigeration
This consists of a refrigeration cycle. where heat is removed from a low-temperature space or source and rejected to a high-temperature sink with the help of external work. and its thermodynamic power cycle.
Sub classifications of the REFRIGERATION trade classification are Maintenance, Equipment, Leak Detection, Installation, Electrical
