R-value calculator
Estimate your insulation savings.
Four questions. Instant maths on savings, cost, and payback.
R-value calculator
See the maths before you commit.
Four quick questions. A realistic estimate on heating savings, upgrade cost, and payback. Tuned to typical Melbourne homes and the R-value you pick.
45%
Heat lost via ceiling
3-6y
Typical payback
60s
To run this calc
Step 01Home type
What type of home do you have?
Step 02Current insulation
What's in your ceiling right now?
Step 03Floor area
How big is your home?
Step 04Target R-value
Which R-value do you want to install?
Higher R means thicker batts, more material, and better winter + summer performance. Victorian building regs require minimum R5.0 for new work.
Ready for a quote?
Turn the number into a warmer home.
We'll match your calculator inputs against your actual ceiling, walls and floor, then send a written, itemised quote with fixed prices.
