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DOAS air handling unit with heat recovery wheel and passive dehumidification. A dedicated outdoor air system (DOAS) is a type of heating, ventilation and air-conditioning system that consists of two parallel systems: a dedicated system for delivering outdoor air ventilation that handles both the latent and sensible loads of conditioning the ventilation air, and a parallel system to handle the ...
An HVAC component that uses outside air, under suitable climate conditions, to reduce required mechanical cooling. When the outside air’s enthalpy is less than the required supply air during a call for cooling, an economizer allows a building’s mechanical ventilation system to use up to the maximum amount of outside air. enthalpy
Infiltration is the unintentional or accidental introduction of outside air into a building, typically through cracks in the building envelope and through use of doors for passage. [1] Infiltration is sometimes called air leakage. The leakage of room air out of a building, intentionally or not, is called exfiltration. Infiltration is caused by ...
The National Building Code is the model building code that forms the basis for all of the provincial building codes. Some jurisdictions create their own code based on the National Building Code, other jurisdictions have adopted the National Building often with supplementary laws or regulations to the requirements in the National Building Code.
The last edition of the RSO was dated 1990 pursuant to the Statutes Revision Act, 1989, consolidating the statutes in force prior to January 1, 1991. [3] More recently, acts have been consolidated on the e-Laws website, organized by reference to their existing citations in the Statutes of Ontario or Revised Statutes of Ontario. [4]
This is a list of airports in Ontario. It includes all Nav Canada certified and registered water and land airports , aerodromes and heliports in the Canadian province of Ontario . [ 1 ] [ 2 ]
A hot water reset control loop measures the outside air temperature; this information is used to estimate demand or heating load as the outdoor temperature varies. The supply hot water temperature is modulated up and down range in an inverse linear ratio to outside air temperature. The typical range for conventional boilers is to vary the ...
The Ontario Medical Association estimated in 2005 that total air pollution (from all sources) would cause some 5,800 deaths and 17,000 hospital admissions that year. It also estimated that the direct health care costs of air pollution in Ontario were about $507 million, and the total economic cost of air pollution to be about $7.8 billion. [16]
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