What is a district cooling system?

District cooling is an innovative urban utility service involving the centralised production of chilled water that is piped to commercial buildings for air-conditioning. With attributes similar to public electricity supply, district cooling is an energy and economically efficient urban utility service.

What is the difference between district cooling and chiller?

Unlike district cooling where the tenant pays for the cooling charges, with chiller-free the landlord bears the complete cost of air conditioning instead of the tenant. Tenants of chiller-free flats in Dubai only have to pay for the consumption of electricity within the unit, excluding air-conditioning.

How do district cooling plants work?

District cooling relies on a centralized cooling plant that provides cooling to buildings within its grid. The plant supplies chilled water through a network of underground insulated pipes.

What is district chilled water?

Water chilled outside of a building in a central plant and piped into the building as an energy source for cooling.

Why have a district cooling system?

In cities around the world, district cooling is integral energy infrastructure to reduce strain on the electric grid caused by increasing demands for air conditioning, which typically create 50\%-70\% of peak electricity demand.

Why is district cooling more efficient?

A more efficient way to cool — District cooling The benefits of district cooling include enhanced energy savings, lowered lifecycle costs, and reduced carbon emissions.

Is empower and Dewa same?

Empower was set up as a joint venture between Dubai Electricity and Water Authority (DEWA) and TECOM Group, a member of Dubai Holding. Empower is administered by a set of corporate philosophies, cascaded objectives and KPIs, quality policies and procedures, and effective corporate governance.

Does Central AC mean chiller free?

Chiller-free properties mean that you as a tenant do not have to pay for air conditioning usage. If you are renting in an area with district cooling, chiller-free is still a benefit. This is because it is a choice made by the landlord.

Why is district heating more efficient?

Usually district heating is more energy efficient, due to simultaneous production of heat and electricity in combined heat and power generation plants. This has the added benefit of reducing greenhouse gas emissions. The larger combustion units also have a more advanced flue gas cleaning than single boiler systems.

Why water treatment is maintained in district cooling system?

Purpose of water treatment for cooling tower Remove suspended solids in water to prevent the form of scale which can adversely affect heat transfer efficiency and can cause corrosion. In addition, accumulation of much scale can clog the cooling system.

What is ETS room?

• Transfer heat from district system to building. • Typically located in the Mechanical Room. • Consists of heat exchangers, pumps and valves. • Hydraulic Separation between primary and secondary.

What are chiller fees?

Cost of Chiller charges: The yearly cost to a consumer for using chiller units is between AED 4000 – 5000 which comes out to AED 334-420 monthly. It is almost half of the cost of district cooling. It is around AED 750 per RT/ annually. It is billed quarterly in advance.