Notice of Intent to Sole Source ENERGY, DEPARTMENT OF Special Notice: The Department of Energy (DOE), National Energy Technology Laboratory (NETL) intends to negotiate and award a purchase order on a sole source basis to Micropyretics Heaters International (MHI), Inc. for the MHI Airtorch GTA925-8-28(PV) Industrial Air Heater. This notice of intent is not a request for quote/proposal. Any interested party that believes it is capable of meeting the NETL requirement described herein may identify themselves and must provide evidence of their capability to fulfill the requirement being requested by 3:00 PM ET on December 22, 2023.