Printable Room Heat Loss Workbook
This room heat loss workbook is for anyone estimating heating needs one room at a time. It includes fields for climate BTU per sq ft, a sample value of 40, and a room-by-room table with Room, Sq ft, Ceiling ft, Insulation factor, Exposure factor, BTU/h, and kW. Sample rows include Living room, Bedroom 1, and Kitchen, with space to enter your own values and adjust for each room.
Free printable · PDF
- 1 page
- US Letter, landscape — choose “Fit to page” for A4
- PDF, 97 KB
Free for personal, family and classroom use.
Use one row per room and enter the square footage, ceiling height, insulation factor, and exposure factor. The sheet calculates heating load in BTU/h and kW so you can compare rooms and total the demand for a home or addition.
Good for
- Estimate heat loss for each room
- Compare heating loads across rooms
- Plan radiator or heater sizing
Tip: Print landscape so the full room table stays easy to read and fill in.
2 files · XLSX, PDF
Get every sheet: Room-by-Room Heating Load Workbook
This sheet plus 1 more in one download, with the editable Excel files. Estimate heat loss room by room with wall, window and air-leakage inputs, total the house load and compare equipment options.
$5.00 USD, one-time
- Instant download
- 7-day refund
- Secure checkout by Stripe
7-day money-back guarantee. Full refund within 7 days of purchase, even after you download.
Printable Heating Units and Rules of Thumb Card