Heat exchangers have been used for indirect heating of domestic hot water systems for many decades. In North America indirect domestic hot water heating has typically been done in apartment/condominium complexes as well as commercial and institutional settings.
Indirect domestic water heating (DHW) has increased in recent years as single dwelling residential systems have adopted hydronic heating from boilers and renewable energy sources.
Plate heat exchangers provide the most energy efficient means of domestic water heating (DHW) as they enable the heat sources (ie, boilers, solar glycol systems) to operate at lower temperatures which maximizes the efficiencies of the appliances used.
Heat Exchangers Online has designed and supplied heat exchangers for DHW systems for over 20 years. Please contact us and ask to speak to one of our technical service representatives.