Can adhere to the rate D1 all electric heat pumps, high efficiency, but have not been put into operation before January 1 2008. In addition, these should be used as single generator heating.
Access to testing can be done with heat pumps that use any type of technology: geothermal, air-water, water-water.
The important thing is that the heat pump has the minimum performance requirements already required for the tax deductions 65% (Annex H of the decree 19/02/2007) or meet the criteria for accessing the thermal account.
With heat pumps Rossato Group AIR Inverter Air to Water e Geothermal ACTEA you can ask for the application of rate D1.