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Search results for:coefficient of performance

Cooling System COP

The Coefficient of Performance is the ratio of useful energy vs the input energy… COP of a cooling system is the ratio of useful heat removed over the work required… A COP of 1 means that all input work is used to remove heat

United Kingdom National Calculation Methodology (NCM) and cove.tool

The cooling set point and mechanical system Coefficient of Performance (COP) values are taken from NCM… The national calculation methodology (NCM) for the Energy Performance of Buildings Directive (EPBD) is… The default envelope values in cove.tool are referenced from 'Table 3 Limiting Fabric Parameters' of

Heating Systems COP

The Coefficient of Performance is the ratio of useful energy vs the input energy… COP of a heating system is the ratio of useful heat supplied over the work required… A COP of 1 means that all input work is converted to heat

VRF Systems

When considering the efficiency and effectiveness of an air-source VRF system, the coefficient of performance… options: VRF Heat Pump: this plant can be selected to model the performance of a 2 pipe VRF system… VRF Performance

How to do a Tenant Improvement or TI Analysis in cove.tool?

Interior architects and designers can analyze the impact of tenant improvements like LPD, HVAC, material selection, and more… inputs for Integrated Part Load Value (IPLV), coefficient of performance (CoP), heat recovery system… of the project

Central Components

Heating COP: The gross rated heating coefficient of performance of the heat pump… Rated Power - The nominal full output power consumption of the unit in watts, exclusive of the blower… Rated Power - The nominal full output power consumption of the unit, exclusive of the blower fan power

Ground Source Heat Pump Systems

Efficiency is given as a coefficient of performance (COP) can reach a range of 4 to 6, meaning that the… devices provide 4 to 6 units of heat for each unit of electricity used… going out of range

Zone Equipment Inputs

Rated Heating COP: The gross rated heating coefficient of performance of the heat pump… Rated Cooling COP: The rated cooling coefficient of performance of the heat pump… Rated COP: The coefficient of performance of the DX cooling coil unit at rated conditions

Facade Thermal Performance

cove.tool calculates the impact of different performance categories for different glazing transitions… Facade thermal Inputs (W/m K): The rating of thermal performance from poor to efficient, based on similar… Balcony Thermal Performance (W/m K): also known as Linear Transmittance, is the Heat flow coefficient

Mechanical Plant Inputs

Reference COP: the chiller’s coefficient of performance at the specified reference temperatures and water… Performance Curve: This connects the chiller to it's corresponding performance curve, defined in performance… When autosized, the field called Coefficient of Performance must be used