Mang Udin leave his job and got a new business. Now he write a blog about tankless water heater reviews. He is an expert on this field, because he is trusted local vendor who serve almost every house in his area. He can install and maintenance many brands of water heater.
He know the system of it, even the product parts have a different name. He can maintenance all from unknown to famous brands. If someone got problem, he is ready to serve 24/7 with his loyal asisstants he drive to your house and fix it in seconds.
People love him because his work and he stand behind his quality job.
You can contact him through his site. If you want to know more about water heater you should visit http://vinitankless.biz/. That was not his site, it is just reference for you to get better product.