Water conditioning advice from a neighbor, not a franchise. I had appliance guys over to re-do my dryer vent and they were in and out got the problem solved quickly and very clean! An engineer will need to check. Fill out our form below to get in touch with our team! In general boilers are on all the time, so that you have warm water day and night with the help of a timer, you decide when the water is to be heated, for instance.