The main problem with an ESXi home lab running 7/7 is usually one factor – Power consumption as a primary ongoing cost. Especially when you run a lab with a several hosts. Additional factors like cooling or noise can be usually solved by moving the server(s) to the separate room with natural airflow, but the power consumption is something that you have to plan ahead and you’ll be dealing with during the lifetime of the lab. So in this post we’ll look at some possibilities to build an Energy Efficient ESXi Home Lab Host. The post is part of an article series starting here.