The International Association of Plumbing and Mechanical Officials has released the hardcopy and digital versions of its 2015 edition of the Uniform Solar Energy and Hydronics Code. Both are viewable on computers, tablets and smartphones, and can be purchased and downloaded via the IAPMO Web store. The 2015 edition was developed using the American National Standards Institute-accredited open consensus process. Additions include: alternative engineering design provisions, condensate waste and control provisions, solar thermal provisions, geothermal energy systems chapter, hydronics chapter and duct systems chapter.