Ravenscroft New Zealand

Christmas/New Year holiday closure

The office will close for the Christmas and New Year holiday period at 1pm on Thursday, December 22^nd. After this well deserved break Ravenscroft will resume business on Monday, 9^th of January 2012.

Ravenscroft wishes all our customers and partners a festive holiday season and a great start for 2012!

Upcoming trade events

Ravenscroft is happy to announce that we'll be taking part in some exciting industry events in the coming months. Ravenscroft will be at ARBS 2012 in Melbourne in May. We look forward to seeing you there!

The 2011 Ravenscroft newsletter

The latest edition of Ravenscroft newsletter is now out. This issue focuses on low velocity displacement ventilation solutions and Halton kitchen ventilation. Read the Newsletter ...

The Auckland office tower, 21 Queen St, was refurbished with locally manufactures Halton active chilled beams.

PROJECT
The objective was to refurnish an Auckland office tower, 21 Queen St, to become a modern, high quality office building. The client wished create more floor area by removing the existing HVAC solutions and to raise the ceiling height as well as add more energy efficient solution for the building's fresh air requirement.

RESULTS
Installing Halton active chilled beams has proved to be even more energy efficient solution that anticipated with building energy saving in $/m2 being greater than expected. It also allowed the Client to make better use of the building space and create more rentable floor area in the building.

Read the full story here

Several international studies have found that indoor air quality in schools remains poor. This causes an increase in symptoms and illness, shortens attention span, while good air quality can enhance children’s concentration and also teachers’ productivity. The most common indoor climate problems are inadequate ventilation and thermal comfort.

In a recent article on indoor air quality in classrooms Panu Mustakallio and Risto Kosonen compared different air distribution methods and their effects on air quality in the classroom using a fullscale laboratory test to measure their performance. In their article, “Effect of Air Distribution Methods on Classroom Air Quality” originally published at Indoor Air 2011 conference, Mustakallio and Kosonen found that the average indoor air quality in the occupied zone was best with displacement ventilation, which also produced very good thermal conditions. For best results they recommend placing diffusers in all four corners of the classroom.

Displacement ventilation is also incredibly energy efficient, which makes it an excellent choice for ventilation in classrooms.

Read the full article

See how easy and quick it is to install a Ravenscroft Fire Damper compared to the conventional fire damper!