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Portable Air Conditioner Awning Window HVAC

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Blog series by DevinT updated 03-29-2021 08:08 PM 7 parts 4419 reads 19 comments total

Part 1: How it started

03-27-2021 01:04 AM by DevinT | 2 comments »

The title of “How It Started” is not-only for this project, but a first-blog entry as to how I started into woodworking. However, before I “go there,” briefly a short history. My great-grandfather bought tools, handed them down to my grandfather, whom taught my father. I mostly do what my mother did, which is work in computers. However, I occasionally showed an interest in wood throughout the years whenever my dad was doing a project. There couldn’t have been ...

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Part 2: We have lift off

03-28-2021 05:13 PM by DevinT | 1 comment »

After 10 years of living without air conditioning and being asked at an increasing rate by the spouse to do something about it, we finally reached a tipping point. In August of 2020, I was given an unlimited budget by the spouse to solve our summer HVAC issues (or lack thereof, I should say). Needless to say, that removing the monetary constraints allowed my mind to soar. While many people told me I should skirt the HOA rules in our condominium association by simply doing a mini-split Air ...

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Part 3: Plans

03-28-2021 06:51 PM by DevinT | 0 comments »

Here are my designs for an HVAC system to redirect and vent the supply/return of a dual-hose portable air-conditioning unit through an awning window. To better understand the concept, I have broken the plans down into 6 separate individual plans to explain each step that is taken to achieve the final concept. (below 2 images) In step 1, nothing has been done to the awning window. First what the actual awning window looks like, and then the mock-up of that window in software. (bel...

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Part 4: Privacy film, corbels, and the shelf

03-28-2021 08:07 PM by DevinT | 6 comments »

The first thing we did was apply privacy film to the window pane below the awning window. This will allow us to place the air conditioner right in front of the window which will in-turn prevent us from having to extend the hoses very far. The longer we extend the hoses, the more surface area there is to transfer heat back into the room. Keeping the hoses as short as possible is optimal for cooling. From a sheet of 3/4” pine plywood, I cut the proto-shelf that would serve as a fun...

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Part 5: Mistakes were made

03-28-2021 11:28 PM by DevinT | 0 comments »

The first shelf I made to sit atop the corbels was not up to the task—it was undersized on purpose but mistakes were also made. It would have to be remade due to a couple errors. The first problem I had was that I didn’t take the kerf of the saw blade into account and that caused the gaps in the dog-ear cutouts I made for the window sill. I think I told myself, that I intentionally undersized it for a test-run, but if I’m being honest, I think that was the real cause of...

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Part 6: Supply/Return

03-29-2021 01:17 AM by DevinT | 7 comments »

The air conditioner that we settled on was a dual-hose kind. That means that there is a separate hose for the supply air and the return air. There are to be 2 holes in the shelf for the ductwork. However, we have a slight problem. If we attach the ductwork to holes created in the shelf, then it will technically be compressed by 3/8” when we swap the 3/4” ply for 1 1/8” walnut. This does not seem like a problem, but it is for the design and function of this system I am bui...

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Part 7: Thermal curtains, Banksy, and Gee Fix

03-29-2021 08:08 PM by DevinT | 3 comments »

Our condo is 3 stories tall. It is a nightmare to cool/heat. Attempting to change the temperature in the middle floor (where we spend most of our time) usually requires altering the temperature of the entire home. It is not ideal. You know those plastic flaps inside walk-in freezers? I contacted stripcurtains dot com and ordered some strips and mounting hardware. Quick-Links to videos found in-order below: https://twitter.com/freebsdfrau/status/1319826995568467968 https://twitter.co...

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