AIVC - Air Infiltration and Ventilation Centre

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energy efficiency

Energy and indoor environmental quality in relocatable classrooms

Four relocatable classrooms were designed, constructed and tested in Californian schools to demonstrate technologies that improve energy efficiency and indoor environmental quality. First results such as CO2 and particle concentrations are presented and discussed.

Guide pratique sur la modulation des debits de ventilation. Practical guide for the modulation of ventilation losses.

In order to adapt ventilation losses to the actual use of the premises one must aim to control the energy loads due to air renewal while at the same time ensuring the maintenance of good indoor air quality for comfort and hygiene for the occupants. The principle applications are premises presenting wide variations in occupation: number of occupants, but also effective hours of use. These systems are effective and economic, but they must be designed and installed correctly.

Design strategies for hybrid ventilation.

An innovative and potentially energy efficient approach to ventilating and cooling buildings is represented by hybrid ventilation. Discusses the application of hybrid ventilation strategies to building design in the USA.

AIRLESS: A European project to optimise indoor air quality and energy consumption of HVAC-systems.

The project aimed to conduct research on the reasons for pollution caused by HVAC systems. It was found that the reasons vary widely depending on the type of construction, use and maintenance of the system. Filter and ducts are major sources of pollutants, with humidifiers and rotating heat exchangers coming a close second. Heating and cooling coils are less of a problem, as is the effect of air flow. Puts forward a new maintenance guideline based on the existing VDI 6022.

Clima 2000 Napoli 2001: Proceedings CD

The proceedings of this conference cover the following topics: building design process; commissioning, operation and maintenance; controls and measurement; energy and building; heat pump and panel heating and cooling; HVAC systems and equipment; IAQ and ventilation; indoor air pollution; miscellanea; modelling and simulation; museums and historical buildings; noise control and lighting; passive/evaporative cooling and refrigeration; refrigeration and passive cooling, heat pumps, panel heating and cooling; refrigerant substitution issue; and thermal comfort.

A Building America prototype home packed with HVAC features.

Describes the features of a prototype home designed for a large builder in Michigan, USA, and the results of a series of DOE-2.1E energy simulations performed to assess the impact of various energy efficient aspects. The new features included: improvements to the thermal envelope and mechanical equipment; use of structurally insulated panels (SIPs) for the envelope; high performance, low-E argon-filled windows; a smaller, more efficient boiler; passive cooling design via a central stairwell with operable skylight; a unique mechanical ventilation system that can be scheduled and zoned.

Study on the specification of energy conservation of building external envelopes.

Energy consumption in building accounts for 30 percent of all the energy consumption of external envelope takes an important part. But in China, because of the insufficiency in thermal behaviour of building external envelope, indoor average heating temperature is low, while heating energy consumption per unit area is 2-3 times as much as that in developed countries under the same climate condition. In this paper, according to measurement and analysis on some kinds of walls, windows and roofs, the detail methods in energy saving of these structures are described.

An integrated approach to low energy, thermal comfort and sustainability - low energy, high thermal comfort and high sustainability in one concept.

The new office building of the Ministry of Transport at Terneuzen in the Netherlands is a sustainable and energy efficient building with a good indoor environment. The building is constructed of sustainable materials, well insulated, has a good daylight situation and is equipped with a minimum of building services. Passive and natural sources have been utilised as much as possible. An advanced natural ventilation system provides the fresh air and controls the thermal comfort.

Moving into modular homes.

Compares the energy efficiency of modular and standard homes and finds little difference.

Built-in community. Pleasant Hill cohousing demonstrates innovations in sustainability.

Cohousing communities balance the traditional advantages of home ownership with the benefits of shared common facilities and ongoing connections wit neighbours. The communities consists of private dwellings with their own kitchens, living-dining rooms, and so on. Residents also have common facilities, such as a dining room, a community kitchen, lounges, meeting rooms, a laundry room, recreation facilities, a library, workshops, or a childcare area.