InSinkErator’s new Iris (shown) and Melea instant-hot-water dispensers offer users ondemand access to near-boiling, filtered water. The faucets are compatible with InSinkErator’s hot-water tank and filtration system, which is designed to remove impurities. Other features include single-hole installation and a 360-degree swivel spout. Faucet prices range from $300 to $560, depending on finish.