pic06 floorgirl2

Climate Zone 03

Based on install 170 watts per square metre Two on-off periods – 5 hours total.

No Insul-Board
15 hours
Heat up
x 500 watts
= 7.50kW
 
3.5 hours (70%)
Maintain Set Point
x 500 watts
= 1.75kW
 
 
Total kW
 
= 9.25kW
         
Warmfloor Insul-Board
3 hours
Heat up
x 500 watts
= 3.50kW
 
2.5 hours (50%)
Maintain Set Point
x 500 watts
= 1.25kW
 
 
Total kW
 
= 4.75kW

Cost of heating per day (approx)

No Insul-Board
= 9.25kW x 0.24 cents
= $2.31
Warmfloor Insul-Board
= 4.75kW x 0.24 cents
= $1.14


Savings per year using WARMFLOOR Insul-Board (based on 200 days of heating) = $234.00 per year


We also tested Zone 3 with spacings of 60mm centres - 210 watts per square metres and achieved the following results and savings.

Climate Zone 3 - Install 210 watts per square metres Two on-off periods - 5 hours total.

No Insul-Board
7 hours
Heat up
x 660 watts
= 4.62kW
 
2.65 hours (53%)
Maintain Set Point
x 660 watts
= 1.75kW
 
 
Total kW
 
= 6.37kW
 
 
 
 
 
Warmfloor Insul-Board
2 hours
Heat up
x 660 watts
= 1.32kW
 
1.5 hours (30%)
Maintain Set Point
x 660 watts
= 1.00kW
 
 
Total kW
 
= 2.32kW

Cost of heating per day (approx)

No Insul-Board
= 6.37kW x 0.24 cents
= $1.53
Warmfloor Insul-Board
= 2.5kW x 0.24 cents
= $0.55


Savings per year using WARMFLOOR Insul-Board (based on 200 days of heating) = $196.00 per year


Recommendation:

These costs are based on a bathroom situation requiring a floor to be at temperature for 5 hours per day. From the above test results different costs can be estimated for other time periods

For Concrete Floors
Climate Zone 3 – install 210 watts per square metre
Approximate Cost per day per square metre:
No Insul-Board - $0.52 cents
Warmfloor Insul-Board (recommended option) - $0.18 cents
 
For Wooden Floors covered with tile & slate overlay
Climate Zone 3 – install 170 watts per square metre
Approximate Cost per day per square metre:
No Insulation Board required - $0.14 cents