Guided room-by-room survey
Answer simple prompts for each room. Heatworx keeps track of what's done and what's left.
Built for busy heating engineers
Heat loss surveys in around 30 minutes.
No spreadsheets. No long forms. No faff. Heatworx guides you room by room, calculates the heat loss, checks radiator output, and gives you clear results you can act on from site.
- Room-by-room results
- Works offline on site
- Simple customer reports
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
A practical survey you can actually finish on site.
No long forms on site
Pick from sensible defaults. Override anything. No spreadsheet setup, no complex inputs.
Automatic heat loss results
Room-by-room heat loss calculated as you go. See kW totals, radiator checks, and system sizing.
Clear next steps
Know which rooms need attention, where radiators fall short, and what the system needs.
Step by step
How a 30-minute survey works
1
Walk the property
Add the address, set the basics, and start working through each room.
2
Capture the basics
Room dimensions, windows, doors, construction. Use LiDAR or enter manually.
3
Let Heatworx calculate
Heat loss, radiator output, system sizing. Results update as you go.
4
Check what needs attention
See which rooms are fine, where radiators fall short, and what the system needs.
5
Share the result
Generate a clear PDF report. Share it with the customer or keep it for your records.
Built for how you work
Practical tools, not complicated software.
Room-by-room heat loss
Design heat loss per room, not vague whole-house estimates.
Radiator output checks
See which radiators meet the demand and which fall short.
Simple customer report
A clear PDF you can share with the homeowner or keep on file.
Works offline on site
No signal? No problem. Everything works without an internet connection.
Built for iPhone
Designed for one-handed use on site. LiDAR capture or manual entry.
Transparent assumptions
See every input. Override anything. No hidden black-box numbers.
Simple pricing
Start free. Upgrade when it saves you time on real jobs.
Free
For trying Heatworx on a few real surveys.
£0/mo
- 2 surveys per month
- Guided heat loss survey
- Room-by-room results
- Basic PDF report
For professionals
Pro
For engineers using Heatworx every week.
£19/mo
- Unlimited surveys
- Sync across devices
- Design scenarios
- Advanced reports
- Pro worksheets
or £179/year (save over 20%)
Start freeBuilt for installers. Designed for the way you work.
Try Heatworx free and see the difference proper heat loss makes.