Good insulation on the underside of energy storage outside of the building has a direct effect on the efficiency of such a solution and reheating time of the building of the free energy of the sun.
Nzuri insulation juu ya uhifadhi wa nishati underside nje ya jengo la ina athari ya moja kwa moja juu ya ufanisi wa ufumbuzi vile na wakati reheating ya ujenzi wa nishati ya jua bure .