Specifications include, but are not limited to: The intent of this Proposal Invitation is to solicit sealed Proposals to establish a contract for various types of HVAC Equipment, Supplies, and Installation of HVAC Equipment that may be procured by Cooperative members. Because individual members require different equipment, supplies, and/or services, this Proposal Invitation is a request for a discount off of catalog or price list for supplies, materials, and equipment and a not-to-exceed hourly labor rate and/or a coefficient to be applied to the RSMeans unit price book for installation and repair services. Purchases can be made by a Cooperative member at any time during the Contract term. Except as provided in section E.4 of the General Terms and Conditions or otherwise in this Proposal Invitation, Vendor shall hold its Awarded Pricing firm during the Contract term. In the event of price decreases, such price decreases shall be allowed for all products.