Is there a functional or performance or feature difference among Okna's Enviro-Care, Okna's Series 800, and the Himark? Thanks for sharing your expertise.
It's the Okna EnviroStar and its the same as the 800 . The website calls it EnviroStar, I just call it the 800. Tremendous window based on every metric.
Thanks for the correction and prompt response!
Okna Envirostar = HiMark 800
Okna Insultec = HiMark 500
Okna Precision Weld = HiMark 400
THX! I wish Okna would label the brochures just like your explanation.
Me too!! LOL