Why the need for optimization? What is PDT-Passivhaus? How best to use it? Optimizing Passive House Design Introducing PDT-Passivhaus passivhaus.protolife.com
PowerPoint Presentation
Why the need for optimization?What is PDT-Passivhaus?How best to use it?Optimizing Passive House Design Introducing PDT-Passivhaus
passivhaus.protolife.com
The PHPP spreadsheet is intimidatingVariable exploration requires tedious manual labor or complex macro programming skillsNo current habit of optimization existsOpportunities to meet the Passive House Standard are being missedWhy the need for Optimization?
passivhaus.protolife.com
PDT-Passivhaus offers a user-friendly, affordable and graphic service to Passive House consultants, using Predictive Design Technology.
It allows users to explore thousands of variables to easily optimize their Passive House Building to maximize design, price and performance. This increases your consulting value.What is PDT-Passivhaus?
passivhaus.protolife.com
User-Friendly Features
Weve already identified the key design and performance variables for you. All you need to do is define their parameters.
Our service eliminates the need for advanced Excel programing. Our service will not modify or corrupt your original PHPP workbook, but allows users to choose their own solutions from the solutions offered by PDT-Passivhaus.Curated Options
For Beginner or Advanced Users
Affordable & Fast
A fifteen minute full-optimization run of PDT-Passivhaus can explore thousands of options available to you or your clients.
This is much faster and more comprehensive than any expert PHPP user even those with specialized Excel programming skills. This will save hours of expensive consulting and design service time.
Fifteen Minutes
Reduces Consulting Time
passivhaus.protolife.com
Graphic Outputs
PDT-Passivhaus generates results in two graphic formats that are more easily interpreted by clients and design professionals.
Outputs are downloadablein visual or numerical formats.
passivhaus.protolife.com
7passivhaus.protolife.com A Demonstration ProjectLets explore a small project in a challenging climate
8
Climate and Location: Saskatoonpassivhaus.protolife.com
9 Initial PHPP Results & Assemblies
The metric PHPP results shown above, and assemblies shown at right are prior to optimization.Assemblies chart: metric in red and IP units in white.
passivhaus.protolife.com
Find the PHPP Energy Balance GraphFind this graph in your PHPP(Usually on the Annual Heating Sheet)
Review to identify which items in your project are losing the most energy?
For this project they are:
WindowsVentilationExterior Wall - Ambient
passivhaus.protolife.com
11 Log in to passivhaus.protolife.com
passivhaus.protolife.com
12 Upload your PHPP File
1- Select Optimize2- Upload your PHPPpassivhaus.protolife.com
13 For our Full Optimize Option:
1- Select the Full Optimize tab2- Select your Target3- Select your Variables
4- Configure
passivhaus.protolife.com
14 Select your ranges:
2- Launch!
1- Adjust sliders to a feasible range
Note: current value for each variable is provided here
passivhaus.protolife.com
The following variables have constant values for all optimizations in this range: Window Area: 12Airtightness: 0.18 Specific Space Heating Demand = 25.022 Review and Analyze your Results:1- Constants are Solid Choices!
2- Review Lowest Outputs next
3- Review other large clusters
Results Range is adjustable!
1- Expand or Contract your Results Range for more info. Re-plot to update the graphpassivhaus.protolife.com
17 Download the Data Table for finer detail:
passivhaus.protolife.com
18 Explore another Target?
1- Try Heating Load2- Try new Variables
3- Configure
passivhaus.protolife.com
19 Select your ranges, But Beware!
2- Launch!1- Adjust sliders to a feasible range
Note: An HRV/ERV will never recover more than 100%!
passivhaus.protolife.com
Modify your PHPP Assemblies:
With your PDT-Passivhaus outputs, use the results to modify your PHPP and select the combination that best suits your project. For this project using fewer, higher performance windows, plus a tighter building envelope, our floor, wall and roof assemblies dont need to be as well insulated. Choose what best reduces costs!
passivhaus.protolife.com
Make your design changes:BEFOREAFTERSouth & East ElevationsNorth & West Elevations(Your window style & placement may vary)
Success!
This project meets the PH Standard via Heating Load
23 Register to start using PDT-Passivhaus!Website:passivhaus.protolife.comTwitter:@PDT_Passivhaus
Thank you for your Attention
Contact us at:[email protected](415) 689 1169passivhaus.protolife.com