Heat loss
What it’s for
- Inputs for sizing and design decisions
- Clear assumptions (so the result is usable)
- Installer workflow: reduce back‑and‑forth
Explainer
Heat loss vs EPC
What’s different, what each is used for, and what evidence helps.
Installers and homeowners often mix these up. Here’s a clear, practical explanation and where to start if you want fast delivery with minimal follow‑ups.
Delivery: the survey pack and organised photos are available in the portal as soon as the visit is complete. The EPC is delivered by the next morning, and any required heat loss calculation is delivered the following day.