sydthebeat
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the HRV sytem is not a heating system, its a ventilation system with an inbuilt 'heat recovery' apparatus... it is not a renewable technology but it is highly energy efficient compared to the alternative.
a HVAC system is a system with in build heating features..
Regarding heating your house by electricity alone.... unless you have very good passive design and a tight building envelope then this can be an expensive and un-ecological method. Remember, with electricity it takes 2.4 kwhr of energy to create 1 kwhr of electricity... highly inefficient...
with wood pellet burners this factor is closer to 1.1...
a HVAC system is a system with in build heating features..
Regarding heating your house by electricity alone.... unless you have very good passive design and a tight building envelope then this can be an expensive and un-ecological method. Remember, with electricity it takes 2.4 kwhr of energy to create 1 kwhr of electricity... highly inefficient...
with wood pellet burners this factor is closer to 1.1...