Eliminating gas piping and venting will make it easier. I just priced a gas water heater and a heat pump water heater in a commercial setting. $4500 for gas wi

Eliminating gas piping and venting will make it easier. I just priced a gas water heater and a heat pump water heater in a commercial setting. $4500 for gas with all venting and piping requirements included. $2750 for heat pump water heater, which should also have lower operating costs.