2026-10-15 · VRF · HVAC · RFQ · Export planning
A practical VRF RFQ checklist for commercial HVAC buyers
Define project scope, equipment requirements and delivery expectations before requesting comparable VRF quotations.
Start with a project brief
A useful request for quotation begins with the building, not a preferred equipment price. Tell the supplier whether you are planning a hotel, office, residential development or another commercial application. Include the destination country, project stage, expected occupancy and target delivery window. State whether the enquiry covers equipment supply only or also design coordination, commissioning support and controls. These details give each bidder the same starting point. Where design information is incomplete, identify the missing items explicitly instead of asking suppliers to assume identical conditions.
Provide loads and zoning information
Share the available cooling and heating load calculations, floor plans and room schedule. A preliminary area estimate is useful for discussion but should not replace a project load calculation. Identify rooms with different operating hours and spaces that may need simultaneous heating and cooling. Note any constraints on outdoor unit locations, access routes and plant space. ASHRAE discusses load profiles, equipment sizing and controls as relevant parts of VRF design. Ask the project engineer to confirm the proposed arrangement against local requirements and the selected manufacturer documentation.
Separate ventilation from comfort cooling
Describe the ventilation scope separately from the indoor unit schedule. A comfort cooling quotation does not automatically establish how outdoor air will be introduced, treated or distributed. List any dedicated ventilation equipment and clarify who will coordinate it. Include humidity expectations where relevant and identify specialist spaces that require a separate engineering review. Avoid describing a standard VRF package as a complete solution for every room. Ask bidders to identify exclusions clearly so that ventilation, controls and installation responsibilities remain visible in the comparison.
Request model specific technical information
Provide the electrical supply characteristics, indoor unit preferences and required control interfaces. Request the proposed outdoor and indoor model numbers, capacity selection conditions and the applicable technical documentation. Manufacturer installation guides define product specific requirements; piping distances, elevation differences, refrigerant provisions and installation clearances should therefore be checked for the actual equipment combination. Ask for a documented compatibility check when mixing controllers or accessories. For replacement parts, include the equipment identification plate, original part number and photographs where available rather than relying on a description alone.
Compare the commercial scope consistently
Request quantities, currency, quotation validity, estimated availability and the proposed delivery term with a named place. Ask what packaging, inland transport, insurance and export documentation are included. Document requirements can vary by destination and transaction, so confirm them with the importer and freight forwarder before dispatch. Ask the supplier to distinguish estimated timing from a confirmed shipment commitment. Payment conditions and any bank requirements should be agreed in the commercial documents for the particular order. This checklist describes information to request; it does not promise stock, credit terms or a specific delivery service.
Build a comparison sheet before ordering
Place the quotations side by side using the same headings: equipment schedule, technical assumptions, accessories, controls, exclusions, warranty scope, delivery basis and payment milestones. Record unresolved questions and ask each bidder to respond in writing. A lower equipment total may represent a different scope rather than better value. Resolve design and compliance questions with the responsible project professionals before placing the order. Keep the final approved schedule attached to the purchase documentation so that the supplier, buyer and logistics team work from the same revision.