However , studies have shown that by using daylight harvesting technologies , owners can see an average annual energy savings of 24 % .
The adoption of daylight harvesting technologies has been hampered by high costs and imperfect performance of the technologies .
Studies have shown that by using daylight harvesting technologies , owners can see an average annual energy savings of 24 % .
The adoption of daylight harvesting technologies has been hampered by high costs and imperfect performance of the technologies .