Advantages of using mechanical ventilation (hvac)
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Advantages of HVAC
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Advantages of using mechanical ventilation (hvac)
- 1. Advantages of using mechanical ventilation (HVAC) in Heritage Building ~ Good indoor climate is guaranteed A computer control HVAC system maintains 70° temperature/50% humidity +- （2%）
- 2. Type of Object %RH Degrees in Farenheit Furniture 45 - 55% 68 - 72° Paintings and Paper Textiles Objects Ideal RH levels and temperature condition for the musuem’s collection
- 3. Three different forms of deterioration caused by humidity: ~Dimensional Change ~Chemical Reaction ~Mold growth
- 4. ~ Mechanical ventilation with heat recovery maximum energy efficiency of building can be achieved 2014 Visitor Numbers set at Canterbury Museum ~684 000 / 365 = 1873 one day
- 5. Disadvantages of using mechanical ventilation (HVAC) in Heritage Building ~ High initial cost of building and maintaining the system. Cost effectiveness is hard to assess.
- 6. >Monthly operating expenses >Preventive maintenance >Repair >Supplies
- 7. ~ Wrong planning of HVAC installation may cause the system to make unwanted noise. Heritage building was not design with AHU room, System Control room etc Therefore, a well planning is required to prevent noise produced by rotating machinery and air moving devices.
- 8. ~ Complicated to retrofit into historically valuable building while complying with heritage restrictions.
- 9. Well planning is required for efficient ventilation