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ASHP guide

Air source heat pump systems: survey-first installer guide

System design is only as reliable as the survey pack behind it. Clear evidence creates confidence from quote through installation.

15,000+ surveys completed across the UK · Pack and organised photos available in the portal immediately on completion of the visit · EPC by next morning in the standard flow.

System planning inputs teams need early

What strong looks like

Capture standards

  • Evidence around siting, access, and route constraints
  • Room-level demand context tied to design assumptions
  • Clear identification of unresolved decisions
  • Pack structure designed for multi-role team use
Where time is lost

Where teams lose time

  • Late scope adjustments and quote churn
  • Design delays while evidence is chased
  • Install teams arriving with unresolved questions
Why it helps

Why teams use Vertex

  • Clearer packs for office and design review
  • Faster quoting with less chasing
  • Install teams start with clearer site context
  • Portal visibility across teams and roles

Related pages and proof