WINDOWS filled with water could save companies a fortune by cutting their use
of heating and air-conditioning systems, says a British engineer.
Keeping offices at a comfortable temperature all year round is an expensive
business. “The bulk of the cost is from air conditioning to cool offices in the
summer,” says Frederick McKee, the Essex-based engineer who invented the new
windows.
McKee says his windows could slash the cost of keeping offices warm in winter
and cool in summer. The system is based on double-glazed windows, but instead of
having an air cavity between the panes, McKee pumps water through…
