A few weeks ago I listened to the embedded podcast from NPR’s Throughline about the history of medical masks. The story featured a woman named Sara Little Turnbull, who became one of the first women to earn acceptance in a male-dominated industry as an industrial.
In the recent past, you may have approached low ambient VRF heating design with a number of backup measures or compromises, such as doghouses, backup electric heat, or oversizing outdoor units.
It was 2005. I didn’t think a whole lot about it, but it was the start of a sea change. For fan powered terminals, there were standard motors and there were new motors. The new “electrically commutated,” or EC motors were a lot more expensive
Don’t tell Armstrong I said so, but Design Envelope is the worst name for an awesome product. I still don’t know where the Envelopes are.
You’re more likely to get the performance that you specify, with any HVAC product, if that product carries a third party certification from AMCA or AHRI.
The return air boot is a real value-add for most tenant finish projects because they increase privacy between offices. Acoustical consultants love them.
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