Request for Quotations

National Aeronautics
and Space Administration
NASA Shared Services Center
Stennis Space Center, MS 39529-6000
10/22/2026
SUBJECT: Request for Quotation (RFQ) 80NSSC27946561Q, Two sets of HVAC units or Mobile Ground Control Station
This solicitation includes the following sections:
1. Statement of Work/Bid Schedule – Section 1
2. Instructions to Offerors – Section 2
3. Solicitation Provisions/Representations and Certifications – Section 3 4. Clauses/Terms and Conditions – Section 4
5. Quote Evaluation Criteria – Section 5

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SECTION 1

STATEMENT OF WORK/BID SCHEDULE

This a Brand Name or Equal To requirement.

ENTER SOW/BID SCHEDULE:

MGCS HVAC Requirements
Deliverable: Two sets of HVAC units per the requirements below. Requirements:
1) Each set shall consist of two 5 Ton 3 phase 208 VAC Heat Pumps. 2) Input power for each HVAC shall be three-phase 208VAC 60 Hz. 3) Control Connector for each HVAC shall be Meltric 07-P4061. 4) Control Connector pinout shall be as follows
a. Pin 1: 24 VAC Common (Bl)
b. Pin 2: Spare (Br)
c. Pin 3: Fan (G)
d. Pin 4: 24 VAC Supply (R)
e. Pin 5: Heat (W)
f. Pin 6: Cool (Y)
5) Each HVAC unit shall have a metal frame for the purpose of stacking the set for transportation. 6) Each HVAC frame shall be cable of supporting one HVAC unit and frame on top of the frame 7) The metal frame shall have forklift pockets in the base. 8) The forklift pockets shall measure a minimum 8 inches wide by 4 inches tall 9) The metal frames shall be stackable and secured to each other. 10) The metal frames shall be removable with common hand tools within one hour to allow for maintenance of the HVAC Unit.
11) Each HVAC unit shall have a condensation drain that allows for an external tube connection. 12) Each HVAC Unit shall have an Air Inlet that will accept a 16 in diameter flexible ducting secured with a band clamp
13) Each HVAC Unit shall have an Air Outlet that will accept a 16 In diameter flexible ducting secured with a band clamp.
14) “A” Unit specific requirements
a. The power input connector shall be HBL5100B9W or compatible b. The unit shall have a 100A disconnect panel mounted to the unit. c. The disconnect panel shall have two 50A circuit breakers

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d. Circuit Breaker 1 shall be for the A unit
e. Circuit Breaker 2 shall be connected to the Output connector for B Unit. f. The Output connector for the B unit shall be HBL560R9W or compatible 15) “B” Unit specific Requirements