A passive-active dynamic insulation system for all climates

Mohammed Salah-Eldin Imbabi

Research output: Contribution to journalArticle

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Abstract

Common features of Passive House design are thick walls and air tight construction, to minimise heat loss and infiltration respectively. This is due to the use of thick conventional insulation to achieve the very low U-values required for the Passive House Standard, which adds to the overall cost of construction and also potentially contributes to problems such as interstitial condensation. High performance, exotic insulation materials such as silica aerogels and vacuum insulation products could help to reduce thickness but at a cost that is at present prohibitive. In this paper the author introduces the basic concept and some illustrative simulated performance results of a new Void Space Dynamic Insulation (VSDI) technology that couples low cost conventional insulation materials with efficient ventilation to deliver low loss building envelopes and high indoor air quality in thin wall construction. The advantages of VSDI are that it eliminates the risk of interstitial condensation and the risk of over-heating during extreme summer months. Importantly, VSDI can be used as a 100% passive component, without a fan to drive the air flow.
Original languageEnglish
Pages (from-to)247-258
Number of pages12
JournalInternational Journal of Sustainable Built Environment
Volume1
Issue number2
DOIs
Publication statusPublished - Dec 2012

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insulation
interstitial
Insulation
air
climate
costs
void
basic concept
subversion
fan
heat pump
heat
performance
building
condensation
Condensation
cost
present
Costs
Aerogels

Keywords

  • void space dynamic insulation (VSDI)
  • passive-active systems
  • passive house design

Cite this

A passive-active dynamic insulation system for all climates. / Imbabi, Mohammed Salah-Eldin.

In: International Journal of Sustainable Built Environment, Vol. 1, No. 2, 12.2012, p. 247-258.

Research output: Contribution to journalArticle

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