How to bid on HVAC replacement and upgrade for Building 462 at Tyndall AFB

What the agency is buying

The Department of Defense is seeking a design-build contractor to replace and upgrade the HVAC system in Building 462 at Tyndall Air Force Base. This is a new requirement for an end-of-life system.

This opportunity is a 100% HUBZone small-business set-aside. The prime contractor must perform at least 25% of the contract cost, excluding materials, with its own employees. The relevant NAICS code is 238220, with a size standard of $19.5 million.

Key dates and deadlines

This solicitation was published on July 29, 2026. All proposals must be submitted by August 07, 2026, at 3:00 PM ET. It is important to submit your response before this deadline.

Who this opportunity suits

This opportunity is specifically for HUBZone small businesses. Firms specializing in HVAC system design and installation, or general construction contractors with strong HVAC capabilities, would be suitable. The project involves highly specialized trade work, so experience in this area is important. The prime contractor must be able to perform a significant portion of the work with its own employees.

How to respond

To access the solicitation, click “View original source” to open the opportunity on the portal. If the first click takes you to the portal’s homepage, click the link again to go directly to the bid. You may need a free account on the portal to view all documents, though this is not always required.

Tips for a competitive response

Ensure your proposal clearly demonstrates your firm's experience with similar HVAC design-build projects. Highlight your capabilities in specialized trade work and your ability to meet the 25% prime contractor performance requirement.

Carefully review Amendment 0002, which includes the government’s responses to requests for information from the pre-proposal site visit. This information can provide valuable insights into the agency's expectations and any specific concerns that were raised.

Double-check all submission requirements and deadlines. Organize your proposal clearly and concisely, addressing all aspects of the solicitation. Pay close attention to the HUBZone small business requirements and ensure your firm meets all criteria.