New Heat Mirror® Glass with Paarhammer tilt & turn windows for even better energy efficiency

Windows that insulate like Walls - Paarhammer windows are already known for their excellent insulation performance but a new glass technology brings this performance to a completely new level.

Heat Mirror Glass is relatively unknown in the Australian market, but has been used for years overseas.  For example, New York’s Empire State Building was refurbished in 2010, including the use of Heat Mirror glazing throughout – changes which were projected to save US$4.4M per year and 105,000 tonnes CO2 emission in 15 years."Arial">Heat Mirror (HM) insulating glass units (IGU) contain one or more clear, low-emissivity films suspended within the sealed airspace of a dual-pane IGU to create super insulating cavities that buffer against heat loss or heat gain. By combining with high-performance low-emissivity glass and argon or krypton gas fill, Heat Mirror IGUs can be used to tune building envelope performance by either maximizing or minimizing solar heat gain while optimizing daylighting and views. Through their extraordinarily high insulation properties and Solar Heat Gain Coefficient (SHGC) performance matched to the needs of the site and local climate, Heat Mirror IGUs allow significant reductions in energy costs, and maintain a far more uniform air within the building for a more comfortable internal environment year round.

Heat Mirror Empire State Building


Other benefits are 99% block-out of harmful UV rays and 33% weight reduction compared to the equivalent triple glazed unit. Also, a comprehensive Life Cycle Analysis completed by Eastman (Heat Mirror Manufacturer) shows that replacing the third pane of glass with film enables Heat Mirror IGUs to consume 30% less energy Cradle-to-Grave than the equivalent unit using conventional triple glazing. Heat Mirror IGUs have been recognized by Popular Science Magazine as one of the “Top 100 Inventions of the Millennium”.

IGU with 1 Heat Mirror Film achieve effectively triple glazing


Paarhammer sources its Heat Mirror units through Australia’s leading glass manufacturer Viridian Glass, part of Australian Building Products Company, CSR.  Lachlan Austin, Viridian’s General Manager, Marketing adds: “Beyond the obvious insulation benefits, Heat Mirror IGUs bring a number of additional advantages over conventional double glazing.  Acoustically, these units can offer approximately 4db noise reduction over an equivalent unit without the suspended film.  In terms of daylight access, the high selectivity offered by the coatings on the film provides a high  ratio of Light to Radiant Heat  – e.g. Visible Light Transmission (VT)=0.7 with a Solar Heat Gain Coefficient (SHGC) of 0.53  - in essence it lets the light in like clear, but cuts the heat like grey.  The SHGC can be stepped down further by the use of different films, glass and coatings in the make-up. It’s a remarkably flexible product”.

IGU with 2 Heat Mirror Films achieve effectively quadruple glazing


A comparison of U-values of Paarhammer Openable Tilt & Turn Windows*, depending on glass configuration:


With double glazed IGU                                               1.8-2.2


With triple glazed IGU                                                  1.3-1.8


With Heat Mirrors in double glazed IGU                     1.0-1.25


With such performance, windows made with Heat Mirror technology can substantially lower your energy bills, or permit you far greater expanses of windows and doors without diminishing your building’s energy performance.

*Fixed units by Paarhammer have already an exceptionally low WERS rating from 0.8 U-value

#gallery-1 {
margin: auto;
#gallery-1 .gallery-item {
float: left;
margin-top: 10px;
text-align: center;
width: 33%;
#gallery-1 img {
border: 2px solid #cfcfcf;
#gallery-1 .gallery-caption {
margin-left: 0;

600450 New Heat Mirror® Glass with Paarhammer tilt & turn windows for even better energy efficiency
Date: 9 October 2014

See more news about:

Others also read

New Business to Support Company's Growing Presence in East and Central African Markets - H.B. Fuller Company (NYSE: FUL) announced today that it has signed an agreement to purchase Continental Products Limited, a provider of industrial adhesives in East and Central Africa.
"Opportunity in the Indian Glass Market - 2014 : Market size, Market share, Market landscape, Market trend analysis, Growth drivers, Future opportunity, Future forecast" provides an insight into the Indian Glass current market scenario, structure and practices.
Coinciding with the fulfillment of the ARTESUN project´s first year (November), the third Project Meeting took place at Corning headquarters in Avon, France    Funded by the European Comission through its Seventh Framework Programme, ARTESUN Project aims to develop organic photovoltaic solar cells (OPV) through the implementation of three full-scale prototypes.
For overview analysis, the report introduces Fire Glass basic information including definition, classification, application, industry chain structure, industry overview, policy analysis, and news analysis, etc   Browse Full Report With TOC @ international and China market analysis, the report analyzes Fire Glass markets in China and other countries or regions (such as US, Europe, Japan, etc) by presenting research on global products of different types and applications developments and trends of market, technology, and competitive landscape, and leading suppliers and countries’ 2009-2014 capacity, production, cost, price, profit, production value, and gross margin.
Dubai Investments (DI) CEO Khalid Bin Kalban has revealed that the Company seeks to examine several expansion opportunities in 2015.
This report was created for strategic planners, international executives and import/export managers who are concerned with the market for nonwired glass sheets of float glass and surface ground or polished glass.

Add new comment