Friday, 7 May 2021

Sizing Home Mini-Split

Hello!

My fiancé and I just bought a house which currently is heated with electric baseboards (no ducts in the house) and want to install mini-split heat pumps.
We are getting an electrician booked to help us fix some electrical issues as well as wire in the circuits for the HVAC.

Where I have a bit of concern is in terms of designing our HVAC solution. So far we've contacted two local HVAC companies and neither of them asked more questions than "how many sq.ft." or "how many bedrooms".
Looking at several posts here, there seem to be quite a few more factors that should come into consideration when determining the size and placement of the units and I am concerned we might not get the optimal solution...

Our house is a split level with cathedral ceilings in part of the living room, but neither of the companies we talked to seemed to consider that.

I am not sure if I am overthinking this, but I have a 3d model (my.matterport.com/show/?m=wmtkZ6uKJjv&lang=en) of the house and I was wondering if any of who had insights to help us at least start in the right direction.

Both companies recommended a 18k BTU unit on main floor and one on the second floor.

Any insights would be greatly appreciated,
Thank you very much!

Vincent


source https://hvac-talk.com/vbb/threads/2228805-Sizing-Home-Mini-Split?goto=newpost

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