The District of Columbia Department of General Services ("District", "Department" or "DGS") is issuing this Request for Qualifications ("RFQ") to solicit Statements of Qualifications ("SOQs") from those entities ("Offerors") interested in performing heating, ventilation and air conditioning (HVAC) work and upgrades at various facilities within DGS’ real estate portfolio. In general this work includes a range of small, medium and large-sized HVAC-related projects, including but not limited to chiller replacements, replacement of domestic water heaters, installation of new air conditioning units, conversion of heating plants from low pressure steam to hot water, replacement of pumps and boilers, removal of underground fuel oil storage tanks, the retrofit of new filters into air handling units and associated HVAC plumbing, electrical and controls work. It is contemplated that the work required for these projects will be further detailed and released through competitive task orders issued pursuant to Basic Ordering Agreements ("BOA(s)") which will be awarded through this procurement.