Tankless water heater output

I am constantly finding companies (contractors, not manufacturers) who advertise that the tankless water heater they install will give you 7-8 gpm of hot water when heating from 10C to 50C (122F). Sorry, but this should taken with a grain … Continue reading

Solar water heater economics

I have about 20 years in the solar business as well as installing high efficiency boilers and floor heating. In the 90s when there was cheap gas and oil, most people who were in the solar business were true believers, … Continue reading