The only home heating that will happen as a result of the e-cat will be through using the press releases as kindling.
You sound like Dr. Focardi. He discovered that this process emits beta particles ~ at sufficient strength to be something we need to worry about ~ so, no, I don’t want one in my basement. Still, we all had color TVs in our homes and you had to have a glass screen in front of the CRT to stop the X-rays, et al.