NBC Air conditioning

Air Conditioning Contractors London



We use all the major manufacturers to provide our clients with a wide range and selection of units and offer a quality installation. All systems supplied use Ozone Friendly Refrigerant with a 3 to 5 year warranty including extended warranty options. Operatives are multi disiplined and hold Refrigerant Safe Handling qualifications. NBC is REFCOM Elite and Fgas Registered.

RoSPA Bronze Winner 2012

RoSPA Silver Winner 2013

RoSPA Gold Winner 2014

Energy Inspections

Why air conditioning inspections are required?

Having your air conditioning system inspected by an Energy Assessor is designed to improve efficiency and reduce the electricity consumption,operating costs and carbon emissions for your system. Energy inspections will highlight improvements to the operation of your existing systems or opportunities to replace older, less energy efficient systems or oversized systems with new energy efficient systems. As the replacement of refrigerant is restricted in older systems (as established under other legislation), there is an additional incentive to improve or replace older systems with more modern energy efficient units. Building owners and managers who control air conditioning systems have statutory obligations and duties of care in the operation and maintenance of air conditioning systems. The energy inspections discussed in this guide are in addition to the normal activities associated with the ownership and operation of air conditioning systems. Inspection, maintenance and cleaning programmes maintain the ability of the system to provide healthy and comfortable environments for building occupants, limiting the escape of refrigerant gases and ensuring the safety of equipment.

Systems requiring an air conditioning inspection

Only air conditioning systems with an effective rated output of more than 12kW are affected by these regulations. The effective rated output is the maximum calorific output in kW stated by the manufacturer of the system as deliverable during continuous operation while complying with the useful efficiency indicated by the manufacturer.

One or more air conditioning units within a building controlled by a single person are considered to comprise a single air conditioning system for the purposes of the regulations. The person who controls the operation of the system is the person who controls the technical functioning of the system, not someone who can just alter the temperature. For the purposes of the regulations, a building is defined as “a roofed construction having walls, for which energy is used to condition the indoor climate, and a reference to a building includes a reference to a part of a building which has been designed or altered to be used separately”. A part of a building designed or altered to be used separately is where the accommodation is made or adapted for separate occupation. This could be indicated by the accommodation having its own access, separate provision of heating and ventilation or shared heating and ventilation but with the ability by the occupier to independently control those services. For a non-dwelling the part could be deemed to be separate even if some facilities (e.g. kitchen and toilet facilities) were shared. An air conditioning system refers to any system where refrigeration is usedto provide cooling for the comfort of occupants. This would exclude separate refrigeration provided solely for process applications such as cold stores, pharmaceutical production etc.

F Gas inspections

Fluorinated greenhouse gases are among the Kyoto Protocol groups of gases for which the EU has committed itself to reduce emissions. EC Regulation 842/2006 on certain fluorinated greenhouse gases (the F gas Regulation) is the legal instrument by which emissions reductions are to be delivered. The Regulation requires leakage checks to be carried out, repairs to be completed, gases to be recovered so that they do not escape to the atmosphere, certified personnel and companies to be used, labels to be used on some equipment, information to be reported to the Commission, and bans some F gas products. Further European Community regulations have fleshed out many of these requirements. Article 3 of the F gas Regulation introduces a requirement for operators to use all available measures which are technically feasible and that do not entail disproportionate cost in order to prevent leakage of F gases and to repair any detected leakage (as soon as possible) from the following list of stationary applications: refrigeration, air conditioning and heat pump equipment, including their circuits, and fire protection systems. For the purposes of this requirement “checked for leakage” means that the equipment or system is examined primarily for leakage using direct or indirect measuring methods, focusing on those parts of the equipment most likely to leak. The Regulation also provides a timetable for the checking of leakage of these stationary applications. The operators of these applications have to ensure that they are checked for leakage in line with the timetable set out in the Regulation. The checking for leakage timetable is graduated in line with the amount of F gas contained in the application as follows: • at least once every twelve months for applications containing 3kg or more of F gases (this shall not apply to equipment with hermetically sealed systems, which are labelled as such and contain less than 6kg of F gases) • at least once every six months for applications containing 30kg or more of F gases • at least once every 3 months for applications containing 300kg or more of F gases. These applications must also be checked for leakage within one month after a leak has been repaired to ensure that the repair has been effective.