Buyers Guides
 

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Buyers Guides

Choosing the correct system:

To help select the right system, use the following chart to select room size and power output required

Power Output   Room Size(up to) (approx)
kW Btu Square metres Square foot
2.00 7000 16 160
2.50 9000 20 200
3.50 12,000 30 300
4.50 15,000 40 400
5.00 18,000 40 400
6.20 21,000 50 500
7.00 24,000 55 545
8.00 27,000 65 645
10.00 34,000 80 800
12.50 43,000 100 990
14.00 48,000 110 1090

 

This is a guide only for residential application, For use in commercial applications, further measurements are required. For further assistance, please call 0800 458 0101

F.A.Q’s

Q = Is Air Conditioning efficient?
A = Yes. When compared with an electric heater, air conditioning is roughly 4 times more efficient than plug in heaters. Most modern systems have a CoP (coefficient of performance) of 4 (roughly). So for every Kilowatt (kW) of energy used, it will produce roughly 4kW output . The Standard, Artcool and Artcool Gallery all have an energy rating of A as a minimum.

Q = What is the life span of a typical system
A = This depends on the amount of usage the system has. For systems used for an average 8 hours per day (cooling in summer and heating in winter) and being maintained correctly, you should expect a minimum of 6 years reliable life. Most systems have a minimum 5 year warranty

Q = Does it require a lot of maintenance?
A =
The system should be serviced annually by an F-Gas registered engineer, which will keep the system running efficiently. Other than the annual service, the indoor unit should be cleaned every    1 – 3 months (depending on usage) and the outdoor unit should be cleaned every 6 – 12 months (again depending on usage) and can be tied into you annual service schedule

Q = Will it do heating and cooling?
A = Yes. Most modern (almost all) systems are known as ‘Heat Pumps’ which will allow the system to produce heating for the colder months and cooling for the warmer months – making Air Conditioning dual purpose

Q = Will it dehumidify?
A = In cooling mode, the system will take the moisture out of the air, so will act like a dehumidifier also. This won’t happen in heating mode though (system effectively works in reverse during heating mode). There is also a ‘Dry’ mode, which will take up to 1lt of water from the air per hour if it detects excessive humidity in the air. It is not designed to be a standalone dehumidifier.

Q = Where can it be positioned?
A = The indoor unit has to be positioned a minimum of 100mm from the ceiling with a 150mm gap from the sides (this aides accessibility for maintenance). The outdoor unit must be positioned with a minimum 1 metre clearance to the front and 500mm at the sides, to aid airflow, maximising efficiency from the system.

Q = Single split system or multi split?
A = This depends on the amount of rooms you wish to supply cooling or heating for.
A single-spilt system is designed for 1 room or location.
Multi-split systems are designed for multiple rooms, running 1 outdoor unit with multiple indoor units (with multi-split systems, all indoor units must be operating in cooling or heating mode simultaneously)

Q = Does the indoor unit leak water?
A = The indoor unit will generate condensate, which is drained off with a condensate pipe to the outside of the building, so the indoor unit shouldn’t ever leak water inside.

Q = Does it need a fresh water supply?
A = No. Air conditioning is a sealed system running refrigerant, so no plumbing for a water supply is required.

Q = Are there any health risks/ benefits?
A = There are rumours that air conditioning has been linked to Legionnaires Disease, but this is a complete myth and very untrue (with regard to sealed systems). As there is no standing water, Legionnaires does not apply to air conditioning.
The internal (cleanable) filters on the indoor unit are designed to filter bacteria in the air, so actually promote good health with cleaner air.

Do I Need Planning Permission For An Air Source Heat Pump?

As of December the 1st 2011 the laws have been relaxed on installation of air source heat pumps in England and Scotland.  This relaxation of the laws has been introduced to make it more appealing to people who want to have air source heat pumps installed and don't want to go through the rigmarole of applying to your local council for planning permission.

This is not an complete list of the regulations required for air source heat pump installations to be 'Permitted Developments'  However it is a very good outline to follow.

England Regulations For Air Source Heat Pump Permitted Developments

Domestic heat pump installation will be classed as a Permitted Development, providing they comply with the following criteria.

  • There is no wind turbine at the property
  • The external is less than 0.6 m3 (This is suprisingly large actually, the largest unit that we sell is roughly half of this)
  • The unit is more than one metre from the edge of the householders property (This means the unit has to be not within 1 meters of your neighbours property)
  • It is not on a pitched roof or near the edge of a flat roof
  • Additional criteria will need to be met if the house is in a World Heritage Site

This list is just an outline guide, you should read the full legislation here.

Scottish Regulations For Air Source Heat Pump Permitted Developments

A domestic installation of an air source heat pump in Scotland will be classed as a Permitted Development, unless:

  • It would result in the presence within the curtilage of a dwelling of more than one air source heat pump
  • The air source heat pump would be situated less than 100 metres from the curtilage of another dwelling
  • The air source heat pump is visible from the road in a conservation area
  • The air source heat pump would be within a World Heritage Site or the curtilage of a listed building


In addition, before beginning the development the developer must apply to the planning authority for:

  • A determination as to whether the prior approval of the authority will be required for the siting and external appearance of the air source heat pump

Other conditions will also apply to ensuring installation of an air source heat pump will be a permitted development in Scotland.  Full legislation details can be read here

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