Alan Lehman replied to Alan Lehman's discussion Ducted mini split vs ceiling cassettes?
"Thanks for that info. I am a novice with Mini Splits so this is great info. I will shop that unit down to a more appropriate size. Especially in my climate, exceeding the cooling load is a complete waste (at least this year). I am not sure why the m…"
Feb 21, 2019
Alan Lehman replied to Alan Lehman's discussion Ducted mini split vs ceiling cassettes?
"My 5' depth space was due to being able to move the unit in through an interior crawl hole in a closet.

I have decided to forgo the deeper hole and make an exterior crawl opening. It solves some other interior issues that were created when trying t…"
Feb 21, 2019
Alan Lehman posted a discussion
I am just breaking ground on a spec house build and this will be my first project using a mini split system for heat. Breakdown: 1600 s.f. total with about 115o downstairs and 450 upstairs. Climate Zone 3 (coastal California), Zehnder ERV will also…
Feb 20, 2019
Alan Lehman replied to Gary Hall's discussion HERS score with HRV
"Holy dog chasing his tail, Batman."
Jun 7, 2018
Alan Lehman replied to Alan Lehman's discussion Zehnder Comfopipe vs. rigid pipe
"Thanks for your feedback and information. I will be making adjustments in the future when I am running in conditioned space."
Apr 28, 2018
Alan Lehman posted a discussion
Hello All,I have installed few Zehnder systems and I am not sure if my rep is giving me the info I need or the info that helps me buy more foam piping from him. The large ducting (7" Comfopipe) coming off the unit  at the 4 ports for supply (fresh a…
Apr 24, 2018