feat: Adds outro tape, not included in presentation

.gitattributes

@@ -1,3 +0,0 @@
-*.png filter=lfs diff=lfs merge=lfs -text
-*.gif filter=lfs diff=lfs merge=lfs -text
-*.jpg filter=lfs diff=lfs merge=lfs -text

Presentation.md

@@ -2,17 +2,35 @@ autoscale: true
 footer: ![house](./img/SketchupHouse.png) **_2025 Symposium_**
 slidenumbers: false
 build-lists: false
-theme: symposium
+theme: MacbookPro_Symposium.1
 
-# Are Chillers the Future
+## Are Chillers the Future
 
-2025 Symposium
+### in Residential
 
 ---
 [.footer:]
 
 ![intro](./img/gif/intro.gif)
 
+^ Hello, I'm Michael Housh a contractor from the Cincinnati, Ohio area.  Today
+we're here to talk about the viability of chillers in the residential market.
+This is a topic that I've been thinking about for the past 7 years.  Disclaimer:
+All these are my thoughts and opinions, I do not have an inside scoop, I do not
+have a relationship with any manufacturer or distributor, I am just a dude from
+Ohio.
+
+---
+[.footer:]
+
+### It's not just because I like the art of piping systems
+<br/>
+
+![inline 120%](./img/gif/sus.gif)
+
+^ There's one primary reason that I believe that chillers are going to be the
+future in residential, can anyone guess that reason?
+
 ---
 [.footer:]
 
@@ -24,24 +42,35 @@ theme: symposium
 
 [^1]: Projected to change refrigerants again in the next 10-15 years.
 
----
+^ This is just based on rumor, so timeline may vary.
-[.footer:]
-
-### It's not just because I like the art of piping systems
-<br/>
-
-![inline 120%](./img/gif/sus.gif)
 
 ---
 [.footer:]
 
 ![](./img/gif/reasons.gif)
 
+^ The goal of this talk is to introduce you to the concepts of chillers in
+general and to start to think through the pros and cons of such systems in the
+residential market here in the US.
+
+---
+
+### `https://app.mhoush.com`
+![inline](./img/app.qr.png)
+
+^ I created a web app for this talk for you to document _YOUR_ pros and cons
+throughout the talk, and hopefully we have time at the end to pick a few at
+random to discuss.
+
 ---
 [.footer:]
 
 ![](./img/gif/history.gif)
 
+^ Like any person who's never given a presentation before, I decided to ask
+Chat-GPT some questions.  (move quickly through these next few slides).
+We'll start with the history of hydronic systems.
+
 ---
 [.text: #ffffff, .text-scale(0.8)]
 
@@ -53,15 +82,16 @@ theme: symposium
  - 20<sup>th</sup> century, introduction of pumps, energy efficiency, zone controls
  - Popular choice for contemporary HVAC Systems
 
----
+ ^ I find it interesting that hydronic systems / heating in general dates back to the Romans.
-
-# Definitions
 
 ---
+
 [.footer:]
 
 ![](./img/gif/chillers.gif)
 
+^ Next, I asked Chat-GPT to define what a chiller is and how they're used.
+
 ---
 
 # Define Chillers
@@ -88,14 +118,19 @@ to remove heat from a liquid via a vapor-compression or absorption refrigeration
 
 # What do we do?
 
-^ Ask the audience to answer.
+^ Next, let's define what we do as HVAC technicians, designers, installers? Ask the audience to answer.
 
 ---
 
 # What do we do?
 
-- Provide healthy, safe, and comfortable environment.
+**Provide healthy, safe, and comfortable environment.**
-- We move heat from one place to another, generally through refrigerant and air circulation...
+
+---
+
+# What do we do?
+
+- **_We move heat from one place to another, generally through refrigerant and air circulation._**
 - Water _IS_ a refrigerant (R-718).
 
 ^ Second one is important to remember for later in the talk.
@@ -114,7 +149,8 @@ to remove heat from a liquid via a vapor-compression or absorption refrigeration
 
 `https://hvacrschool.com/sensible-heat-in-air-and-water`
 
-^ Can anyone tell me why this matters?
+^ As a fun fact, I stole this from an article I wrote for HVAC School named sensible-heat-in-air-and-water.
+Can anyone tell me why this matters?
 
 ---
 
@@ -124,7 +160,7 @@ to remove heat from a liquid via a vapor-compression or absorption refrigeration
 
 _Source: **Modern Hydronic Heating**, by: John Siegenthaler, P.E._
 
-^ Add to pros list.
+^ Add to pros list (hint)?
 
 ---
 # A Home is Complex
@@ -136,7 +172,11 @@ _Source: **Modern Hydronic Heating**, by: John Siegenthaler, P.E._
 - HVAC
 - and more...
 
-#### _A home requires harmony between many different mechanical systems._
+**_A home requires harmony between many different mechanical systems._**
+
+^ (move quickly through these). I think it's important to note that a house is a
+complex thing, made up of a bunch of sub-systems that all need to be in harmony
+with each other.
 
 ---
 [.footer-style: #696969, alignment(center)]
@@ -145,11 +185,17 @@ _Source: **Modern Hydronic Heating**, by: John Siegenthaler, P.E._
 
 ![fit](./img/house_detail.jpg)
 
+^ This image shows some of the different sub-systems of a house. I stole this
+from 'What if houses came with manuals' by Sam and Genry, but I created the
+original image, so it was fair game to steal ;)
+
 ---
 [.footer:]
 
 ![](./img/gif/hvac.gif)
 
+^ HVAC itself is also a complex beast.
+
 ---
 
 # HVAC Key Characteristics
@@ -165,6 +211,9 @@ A well-designed HVAC (Heating, Ventilation, and Air Conditioning) system provide
 4. **Zoning Control**:
     - Allows for the creation of different temperature zones in larger buildings, enabling tailored comfort levels in different areas.
 
+^ (move quickly).  For me comfort and IAQ are the biggest ones I care about in this
+list. I feel energy efficiency is a side effect.
+
 ---
 
 # HVAC Key Characteristics
@@ -178,6 +227,8 @@ A well-designed HVAC (Heating, Ventilation, and Air Conditioning) system provide
 8. **Scalability**:
     - Can be designed to accommodate future expansion or changes in usage, making it flexible for evolving needs.
 
+ ^ These are all really important aspects of an HVAC system.
+
 ---
 
 # HVAC Key Characteristics
@@ -191,17 +242,23 @@ A well-designed HVAC (Heating, Ventilation, and Air Conditioning) system provide
 12. **Environmental Responsibility**:
     - Utilizes eco-friendly refrigerants and practices to minimize environmental impact.
 
-_A well-designed HVAC system is essential for providing a comfortable, healthy, and efficient indoor environment._
+#### A well-designed HVAC system is essential for providing a comfortable, healthy, and efficient indoor environment.
 
 ---
 
 ![fit](./img/hvac_system.png)
 
+^ Let's look at a well designed conventional HVAC system. It incorporates all
+the things listed in the previous slides.
+
 ---
 [.footer:]
 
 ![](./img/gif/diff.gif)
 
+^ So, what are some key differences between a conventional HVAC system and one
+that utilizes a chiller?
+
 ---
 
 # Key Differences
@@ -220,6 +277,9 @@ _A well-designed HVAC system is essential for providing a comfortable, healthy,
     - Many chiller systems are water-cooled, which can be more efficient than air-cooled systems, particularly in larger settings. Water has a higher thermal capacity than air, leading to more effective heat exchange.
 
 #### _Chiller systems offer several advantages over traditional HVAC systems._
+
+^ (move quickly).
+
 ---
 
 # Key Differences
@@ -236,3 +296,142 @@ _A well-designed HVAC system is essential for providing a comfortable, healthy,
     - Chiller systems are generally robust and, if properly maintained, can have a longer lifespan than traditional HVAC units. Their design often allows for easier maintenance and repair.
 10. **Advanced Control Systems**:
     - Chiller systems often incorporate advanced building management systems, enabling better monitoring, automation, and integration with other building systems for improved overall performance.
+
+^ (move quickly). Not sure I agree with space saving and we'll see why in some
+future slides.  Longevity seems interesting.  Once again these are all sort of
+geared / speak towards commercial buildings.
+
+---
+![fit](./img/gif/power.gif)
+
+^ (begin the meat & potatoes of the presentation).  Now let's begin to discuss the super-powers that chillers can
+unlock in the residential market.
+
+---
+
+![](./img/chiller_1.png)
+
+^ Here's an image of an air -> water heat recovery chiller. It should be noted
+that through this talk when I say chiller, I'm generally referring to a heat
+recovery chiller, which is a specialized sub-set that can do simultaneous
+heating and cooling.  These are hard to find in small tonnage chillers, but
+hopefully that changes if more major manufacturer's come around to this idea.
+(Major manufacturer representation is one of the cons).  Note: I like to call
+the equipment that provides the hot or chilled water as the "plant".
+
+---
+
+![](./img/mech_room_tanks.png)
+
+^ Let's look at some of the internal components. I like to call these internal
+components the "infrastructure".  These components should generally have a
+significantly longer life expectancy than the "plant" may have. Also note that
+buffer tanks come in a variety of different sizes depending on the application.
+
+---
+
+![](./img/ahu_labeled.png)
+
+^ The AHU's are similar to traditional ones, however in place of where electric
+heat strips would be, it's replaced with a hot water coil. This opens up the
+door for reheat dehumidification as a standard option.  Note that I believe that
+air circulation is still an important part, although these systems do allow for
+radiant heating / cooling, I personally believe that moving air is generally the
+best choice.  I also think that one  of the downsides of conventional inverter
+systems (which I love don't get me wrong) are that we don't move enough air in a
+home, but that's a topic for another day / talk. ;)
+
+---
+
+![](./img/mini_split.png)
+
+^ Do you like ductless style AHU's, well they've got those too for hydronic
+systems.
+
+---
+
+![](./img/dual_fuel.png)
+
+^ These systems are still highly capable of dual fuel applications.
+
+---
+
+![](./img/wood_boiler.png)
+
+^ In fact, they are highly extensible / scalable to incorporate many different
+"plants".  This shows a wood boiler that can also be incorporated to generate
+heat that the "infrastructure" could then utilize.
+
+---
+
+![](./img/chiller_2.png)
+
+^ Are you in a climate that has significantly higher heating loads?  Or an
+application where redundancy is important?  Incorporate several units (only
+showing 2) to increase the capacity and have "fail over".
+
+---
+
+## Other Capabilities
+
+- Control the water temperature based on outdoor conditions.
+<br>
+- Use off-peak rates to store water in buffer tanks (may dictate buffer tank
+  sizing).
+<br>
+- Dump heat into a pool / spa.
+
+![fill right](./img/mech_room_load_matching.png)
+
+---
+
+## Other Capabilities
+
+- Low latent load?
+- Target supply temperature during reheat.
+- Utilize current controls that are designed for boilers.
+
+![fit right](./img/ahu_low_latent.png)
+
+---
+[.text: #ffffff, text-scale(0.8)]
+
+# Cons
+
+- Higher upfront costs.
+<br>
+- More in-depth design requirements (maybe a pro as well).
+    1. Distribution systems need designed to handle low water temps.
+    1. Not a drop in replacement for existing boiler systems.
+<br>
+- Challenge where pex / copper lines can't be ran.
+
+---
+
+# Cons
+
+- Lack of major brands.
+    1. Chilltrix
+    1. Daikin
+    1. LG
+    1. Multi-Aqua (only heat recovery option I know of, but only 5-Tons)
+    1. Spacepak
+    1. Taco (integrated buffer tank / DHW)
+    1. Viessman (now owned by Carrier).
+
+---
+
+# Your Pros vs. Cons
+
+^ Pull random list of pros vs. cons that the audience has created to highlight a
+few.
+
+---
+
+# Thank You!
+
+- Send me a screenshot of your pros vs. cons
+- Let me know your thoughts.
+<br>
+<br>
+**dontbeapuppy@mhoush.com**

bin/run

@@ -13,7 +13,8 @@ zparseopts -D -E -- \
   -output:=outputFile \
   -show-hvac-characteristics=showhvac \
   -copy-gpt-output:=copygpt \
-  -show-the-diff-yo=showdiff
+  -show-the-diff-yo=showdiff \
+  -outro=outro
 
 ######################### Helpers #########################
 
@@ -83,4 +84,6 @@ elif [ ! -z "$copygpt" ]; then
   echo "$(getGptOutput ${copygpt[-1]})" | pbcopy
 elif [ ! -z "$showdiff" ]; then
   echo "$(parseGpt 'diff.json' '# Key Differences')" | gum format | gum pager
+elif [ ! -z "$outro" ]; then
+  boxed_quote "Thank you!"
 fi

files/MacbookPro_Symposium.1.dstheme

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tapes/outro.tape

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