peterjohnson64 said:
Looks good shiner. how does the cost compare to reverse cycle A/C? installation & running costs.
Installation would depend on the particular application ( getting a quote is a good idea)
Cost ( cut n paste )
http://www.radiantfloorheating.com.au/running_costs.htm
Example
So for a 150sqm building heated for a 3 month winter (90 days x 8 hours per day = 720 hours) x 42 watts per sqm per hour - the annual consumption would be 150 sqm x 720 hours x 42 watts = approx 3024 kwh. If the price of a kwh is for example 13 cents then the cost would be $0.13 x 3024 = approx $393 per year!
Note the figures given above are for demonstration purposes, but in our opinion are representative of the typical cost of heating an average sized home in WA, NSW, VIC, SA.
The following tables has been taken from the WA sustainable development office & estimates based on a 60sqm area in WA the annual running costs for an 'on-demand' electric floor heating system would be between $140-$160 whilst for the 150sqm area the cost increases to $350 - $390
The off-peak costs however are much lower at $75 for a 60sqm area & $175 per year based on 150sqm
Whilst these figures may be slightly higher than some of the other forms of heating, the decision about heating systems should not base on running costs alone.
Underfloor heating requires no servicing or maintenance & is controlled digitally by electronic thermostats with timers. Underfloor heating is also considered by many experts to be the most ideal form of heating available for the human body!
Hope this helps
Edited for better information