<i>Baxi&amp;’s Wonderfire Eclipse - one of a new breed of contemporary fireplace designs </i><p></p><p><b>The heating and fireplaces market is changing rapidly, finds Tim Palmer. Housebuilders stand to benefit from the latest high efficiency boilers and underfloor heating systems, while contemporary fireplace styles are keeping younger buyers sweet</b><br><b>Two years ago Housebuilder quoted a manufacturer saying combi boilers were &amp;“still failing to deliver the hot water performance needed to meet peak demands of homes&amp;”. Things have changed. </b><br> Last year Chaffoteaux and Maury (C&amp;&amp;M) launched its Calydra Comfort combi-boiler incorporating a five litre mini-storage cylinder in which water is maintained at a constant temperature by a 3kW re-heating coil. The system can deliver hot water immediately at 17 litres/minute, and eliminates &amp;“warm-up&amp;” time, which conserves gas and water. C&amp;&amp;M marketing manager Neil Mattock says: &amp;“Housebuilders and therefore homebuyers are offered, for a cost close to a combi offering instantaneous hot water, the additional comforts of stored hot water.&amp;”</p><p> Glow-worm&amp;’s new &amp;‘Plus&amp;’ version of its 30ci 30kW fully modulating combi-boiler claims a five-second hot water response time and has vertical, horizontal and twin flue options. And commercial condensing boiler specialist Broag has now entered the domestic arena with its Remeha Selecta combi and …