Heat loss surveys in minutes, not days.
No spreadsheets. No long forms. No faff.
7 Menai Ville LL59 5ES
Excellent heating system fit
Emitter capacity, generator sizing, and modulation all look well matched to the building.
Key metrics
7.50kW
Design heat load
16.2kW
Emitter output
+8.70kW
Heat margin
Heatworx is a guided heat loss survey app for UK heating engineers and installers. It helps you capture each room, estimate heat loss, review radiator sizing, and produce a simple customer report from your phone — without building a spreadsheet or learning complex design software.
What you get
Answer simple prompts for each room. Heatworx keeps track of what's done and what's left.
Pick from sensible defaults. Override anything. No spreadsheet setup, no complex inputs.
Room-by-room heat loss calculated as you go. See kW totals, radiator checks, and system sizing.
Know which rooms need attention, where radiators fall short, and what the system needs.
Step by step
Add the address, set the basics, and start working through each room.
Room dimensions, windows, doors, construction. Use LiDAR or enter manually.
Heat loss, radiator output, system sizing. Results update as you go.
See which rooms are fine, where radiators fall short, and what the system needs.
Generate a clear PDF report on your phone and share it with the customer. Each report records the survey status it was generated from.
Built for how you work
Design heat loss per room, not vague whole-house estimates.
See which radiators meet the demand and which fall short.
A clear PDF you can share with the homeowner or keep on file.
No signal? No problem. Everything works without an internet connection.
Designed for one-handed use on site. LiDAR capture or manual entry.
See every input. Override anything. No hidden black-box numbers.
Simple pricing
For trying Heatworx on real surveys.
£0/mo
For engineers using Heatworx every week.
£19/mo
Room-by-room heat loss surveys from your phone. Try Heatworx free.
