In May of 99 I got some information regarding Aquastar tankless water heater. I am interested in hearing from anyone that has had anyone installed. Do they like it? What are the pros? What are the cons? Is the installation cost worth it? I have a small (650 sq ft) summer bungalow in Putnam County, NY. It is about 1 hour from NYC so it is not in the extremely colder upstate area. It is about 50 years old with the standard gas hot watter heater. Since space and cost are a priority I am interested in the tankless style water heater. So if anyone has any information or input I would be very interested.