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Heat Pump Quote Checklist

Use this checklist when reviewing installer proposals. Tick each line before signing to reduce avoidable project risk and scope disputes.

Download-and-use checklist layout

Print this page or copy it into your project notes and mark each item as Complete, Needs evidence, or Not answered. If a quote cannot clear the core checks below, request revisions before deposit payment.

Installer and scope

  • Who is responsible for full design, commissioning, and handover?
  • Are room-by-room calculations included in writing?
  • Does the quote list all exclusions (electrics, scaffolding, making-good)?

Grant checks

  • Which grant assumptions are included and who submits the application?
  • What evidence is needed if grant approval is delayed or rejected?
  • Is the quoted net price still valid if grant rules change before installation?

Heat-loss survey checks

  • Was a full room-by-room heat-loss survey completed on your actual property?
  • What design temperatures were used for your location?
  • Have infiltration and ventilation assumptions been explained?

Radiator and underfloor checks

  • Which radiators stay, which are upgraded, and at what flow temperature target?
  • If underfloor heating exists, does the quote include mixing and control strategy?
  • Is there evidence the emitter design can meet peak winter demand?

Hot water checks

  • Is cylinder volume sized for household occupancy and usage pattern?
  • Are legionella cycles and hot-water setpoint strategy explained?
  • Are pipe insulation and recirculation losses addressed?

Warranty and aftercare

  • What parts and labor durations apply, and what voids warranty?
  • Who handles first-year optimization visits and control tuning?
  • What are expected maintenance costs and service intervals?

Red flags

  • No written room-by-room heat-loss output.
  • Quoted SCOP or savings without explaining assumptions.
  • Grant amount presented as guaranteed cash rather than conditional support.
  • No clear emitter upgrade scope despite high flow temperature design.
  • No commissioning plan, handover checklist, or aftercare contact.

Methodology and source links

This checklist aligns with the same transparency approach used across HeatWise pages: explicit assumptions, source-linked grant checks, and caution around projected savings.