The second greatest determiner is ease of use, which earned 19% of the votes, up from 13% last year. Energy efficiency features—such as home temperature control and automated lighting—are the next most commonly cited factors.
In all, 66% of Americans reported they plan to purchase smart home products someday, while 17% plan to do so within the next year. Consumers rated stores like Lowe's and the Home Depot as the their top destination for purchasing smart-home products, citing reliability, knowledgeable staff, and an abundance of available products.
Read more: http://www.builderonline.com/design/technology/lowes-reveals-2015-smart-home-survey-results_o