








HVAC Heat Loss Calculator Excel Template | Heat Loss, Radiator Sizing, Heat Pump Check and Quotes
Instant download
For heating engineers and installers sizing and quoting systems. It works out heat loss room by room, sizes radiators and suggests the boiler that fits. A heat pump check gives a first pass view before a full design, and the quote builder turns the numbers into a priced job. A survey checklist helps you capture everything on the first visit.
What it covers
- Room by room heat loss in watts, with radiator and boiler sizing
- Survey checklist for everything to capture on the first visit
- Emitter schedule comparing what is needed with what is fitted
- Heat pump suitability check as a first pass
- Quote builder with lines, labour and VAT
- Boiler vs heat pump options side by side for the customer
Who it is for
Suits heating engineers, plumbers, HVAC installers, heat pump installers and renewable energy firms.
What is inside
- How To Use and Quick Start guides, from download to working in ten minutes
- Heat Loss Calculator
- Survey Checklist
- Emitter Schedule
- Heat Pump Check
- Quote Builder
- System Options
- Notes and Actions, Log and Diary and Monthly Review tabs
How it works
Open the file in Microsoft Excel and read the How To Use tab first, it takes two minutes. White cells are yours to type in and blue tinted cells calculate themselves, so there are no formulas to write. The example rows show every feature working, overtype them with your own figures and the totals and charts update as you go.
What you get
- One editable Excel (.xlsx) workbook with 10 tabs
- Built for Microsoft Excel, no macros and no formulas for you to write
- Example rows included so you can see every feature working
- Commercial licence, use in your own business, not for resale
- Instant digital download, no physical item shipped
Small print
Template only. The names, jobs and figures shown in the product images and in the example rows are examples only, overtype them with your own. A planning and record keeping aid, not professional advice, so check big decisions with the relevant professional.
List the documents, pages and formats included.
Page count, file format and how it is delivered.
Single-business commercial licence. Edit and use these files in your own business for as many jobs and clients as you like, and send the finished documents to your customers.
Strictly not for resale. You may not resell, share, give away or upload the files, edited or unedited, anywhere, or use them to make templates for others. SiteSums keeps the copyright.
Common questions about editing and using the template.
