36 Table 3.1 Specifications Condition Status Allocation Heating System Yes COP = 0.8 – 0.95 Cooling System No - Humidity Control No - Ventilation Control No Operable windows Fresh Outside Air Yes Operable windows Hybrid Ventilation No Only natural ventilation for spaces Fuel Type Yes Natural gas and electricity Climate Zones Multiple 3-8 Typical Regions Multiple Europe Applicable Building Programs Multiple Offices, schools, residential Table 3.2 System Performance Rating Metric Rating Comments Energy performance Water-based systems have higher energy performance Thermal comfort Limited thermal control, no active cooling Acoustic comfort Hot water radiator does not have any fans so noise is minimal First cost Fewer pieces of equipment in each space Operating cost High fossil-fuel prices penalize system Maintenance Limited maintenance requirements Space requirements Small area requirements for pipes, some large equipment for heating
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