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Vento Introduces Range of Sustainable Building Solutions to Australiasian Market

August 5, 2010 · Leave a Comment 

Monodraught Windcatcher by Vento

A new range of innovative environmentally sustainable building products are now available throughout New Zealand and Australia with the formation of Vento, a specialist sales entity created as a partner company to VIM Sustainability. The formation of Vento was necessitated by increasing demand for a number of leading European sustainable building product ranges including Monodraught, [...]

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Vento’s Natural Solutions to Combat Sick Building Syndrome

August 5, 2010 · Leave a Comment 

Bibliothek

An integral yet often overlooked component of a healthy and safe building is the maintenance of a comfortable internal environment with high standards of air quality and optimum oxygen levels. For many years artificial lighting and temperature control through mechanical heating and cooling which provided recycled air, has played the dominant role in maintaining internal [...]

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Natural Efficiency

August 3, 2010 · 4 Comments 

Stellar Diagram

Gas water storage cylinders are often overlooked when looking for a highly efficient means of water heating; the Rheem Stellar reaches 90% efficiency using a `twin pass` heat exchange principle which passes not only through the

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Rated Capacity and Maximum Capacity and Inverter Selection

July 9, 2010 · Leave a Comment 

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Modern inverter heat pumps are able to vary their output according to the heating or cooling requirements at any given time. Inverter heat pumps are able to vary compressor speed, EEV (electronic expansion valve) and outdoor unit fan speed to very accurately control heat pump energy efficiency and output. Heat pumps are measured at a” [...]

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Displacement Ventilation Explained

July 5, 2010 · Leave a Comment 

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Thermal displacement ventilation is based on cool air supply at low level and stratification of room air temperature and contaminants due to the natural buoyancy forces created by the heat sources. The air that rises in the convection currents is replaced at low level by supply air at slightly lower temperature than that of room [...]

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H2 Heat Pump Ratings and Real Winter Heating Performance?

July 5, 2010 · Leave a Comment 

Mitsubishi Electric HyperCore in action in Queenstown

In New Zealand by legislation we are required to rate the heat output performance of domestic unitary heat pumps at an ambient temperature of 7° C. This temperature called H1 condition, is not a real outdoor average winter temperature for many areas of New Zealand and is only used due to the standard being combined [...]

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Natural Solutions the Answer to Rising Energy Consumption

July 4, 2010 · Leave a Comment 

Monodraught Windcatcher

Rising energy costs and increasingly stringent regulations governing carbon emissions has resulted in growing demand for renewable energy and greater efficiency within the commercial built environment. In order to comply with ever changing regulations and ensure a building remains energy efficient and cost effective throughout its lifespan, a forward thinking approach to design and implementation [...]

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Mitsubishi Electric Hot Water Heat Pumps Useful Beyond Pool Heating

July 4, 2010 · Leave a Comment 

Mitsubish Electric

There is much interest in Hot Water Heat Pumps from both the specifying and contracting market.   But what can we use them for?  Almost any application where water heating is required. Simple selection of the appropriate technology will ensure a good result. But what should we be looking for?  To put it simply — [...]

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Rheem Commercial Heat Pump

July 2, 2010 · Leave a Comment 

RHEEM COMMERCIAL HEAT PUMP: a typical installation

Rheem’s Commercial Heat Pump is a truly commercial grade heat pump that delivers high thermal efficiency and hot water at 60°C; something not all heat pumps can boast. Designed with the commercial user in mind and up to a 22kW output means over 6,500 litres of hot water can be produced per day.  Up to [...]

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Balanced Ventilaton, Heating and Insulation Design Essentials

July 2, 2010 · Leave a Comment 

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With domestic homes being designed to tighter fenestration rates and minimised air leakage rates as well as insulation standards increasing, the requirement for balanced mechanical ventilation as part of the design is critical. The tighter the building structure the more moisture that is generated within the home — through respiration — remains in the home and [...]

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