As a follow up to his presentation at the 2019 Maine IAQ & Energy Conference, Bill Spohn gives an update on the journey of designing, building, and a modular-built high-performance home. You will learn the paths he went down (and back!) before arriving at the design (and features) he and his wife will enjoy as homeowners.
A mix of technical and consumer topics are covered:
- How can you apply as many "cutting-edge" techniques and systems without overwhelming your builder
- What kind of compromises must be made to integrate with available techniques and experience
- Did the design meet the goals?
Bill is President and co-owner of TruTechTools.com, an award-winning reseller of tools and test instruments.
He holds a BS & MS in Mechanical Engineering and is a Registered Professional Engineer (PE) in Pennsylvania. Over the last 30 years, Bill has built his career on creating, designing, and marketing a wide array of test and measurement products that work for technicians in the field. Bill is all about Science Comfort, health, and energy efficiency. He has worked on BPI, RESNET, GAMA, AHRI, OMA, RSES, NATE, and ACCA Technical Committees, and holds four US patents in instrumentation design. He regularly consults, teaches, and writes on product applications in HVACR, building science, healthy homes, Indoor Air Quality, and weatherization. Bill is smart, a great listener, and speaks with passion and in a language we can all understand. He shares his knowledge in the two podcasts: Building HVAC Science and RESTalk. He and his wife built a modular, high-performance home near Pittsburgh, PA. Keep tabs on the details at www.SpohnHome.com
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Residential energy efficiency putting theories into practice part 2
23. CERV2 Comfort & EE
Conditioning ERV
1/3 Ton heat pump
MERV 13 filters
Both air streams
Its pretty SMART
Assesses air quality
Recirculation 1st
Fresh air brought in
Off when not needed
Mfd by BuildEquinox
24.
25. CERV2 IAQ Data: SpohnHome
Home is not yet occupied
Lots of
painting
Green= Ventilating
Pink= CO2 level
Orange= VOC level
26. CERV2 Temp Data: SpohnHome
Home is not yet occupied
H&AC system most often turned off
AirHandler set to 20% duty cycle in October
27. CERV2 Humidity Data: SpohnHome
Home is not yet occupied
H&AC system most often turned off
Windows opened
33. ENVIRONMENTALLY RESPONSIBLE:
SOLAR POWER
TECHNICAL DETAILS
12 KW: 32 X 375 W TRINA PANELS
2 SMA SUNNYBOY INVERTERS WITH SECUREPOWER
ECONOMIC BENEFIT
NET METERING
SOLAR RENEWABLE ENERGY CREDITS SRECS
MEDIA COVERAGE
WWW.BIT.LY/SPOHNHOME-TRIB
WWW.BIT.LY/SPOHNHOME-TRIB1
WWW.BIT.LY/SPOHNHOME-SOLARTOUR
34. 0
10
20
30
40
50
60
70
80
90
7/13/20 7/20/20 7/27/20 8/3/20 8/10/20 8/17/20 8/24/20 8/31/20 9/7/20 9/14/20 9/21/20 9/28/20 10/5/20 10/12/20
Solar Production: SpohnHome
Net metering (kWh) Consumed
Daily data missing
Average per day used
Inverters not yet reporting
production
Only 1 inverter
reporting
39. REGIONAL WORK in PA
EcoCraft Homes: Pittsburgh
Structural Modular: Strattanville
Energy Doctor: Irwin
Specialty Precast: Prospect
Adams Excavating: Prospect
Ventana Windows: Export
Envinity Solar, State College
Dillan Well Drilling: Darlington
CW Electrical Services, Pittsburgh
Dennis & Sons Plumbing, Pittsbur
Pittsburgh Asphalt, Pittsburgh
Strisna Cement, McDonald
84 Lumber, Mars
more..
40.
41.
42.
43. SPEED BUMP#4
COUNTY HEALTH DEPT PLUMBING INSPECTION
DEMANDED DISHWASHER BE INSTALLED MINOR DELAY
WILL NOT SCHEDULE INSPECTION DUE TO OVERBOOKING
RECENTLY 2 PLUMBING INSPECTORS ARRESTED ON
FELONIES -ACCUSED OF FALSIFYING RECORDS
44. Time Line
Consider a
future
move
JAN -14 OCT-19
Factory
build
Move to
5 Year
House
JUL -14
Looking for
land
JAN -17
Buy land,
Contract
with PH
Architect
APR -18
Visit SMI
Factory
JUN -18
End PH
Contract
SEP -18
Begin
Design w/
EcoCraft
NOV -18
Signed
Builder
Contract
AUG -19
NOV-20
Move in
House set
& on site
finishing
+4 SPEED
BUMPS!
JAN -20
45.
46. All Electric Home:
Ducted Air Source Heat pump
Induction cook top
Heat Pump water heater
Heat pump clothes dryer
Solar power
Performance governed by comfort
<1 ACH50
Energy Model via PHPP & Manual J
Solar shading on windows
Conditioning ERV
Keep track at www.SpohnHome.com
#6: PHIUS conceptsContinuous insulation no thermal bridges, Airtight, High Performance windows, manage solar gain, HRV/ERV, minimal HVAC
Shift away from totally passive
Keeping Passive Windows
Air sealing details & Targets
Insulation levels R-48 roof, R-21 walls
Minimized Thermal Bridging
Going rogue: Heated Bathroom Floor
WATER:Piping Size vs Modern Water Flow
Clearing Volume
Efficiency of Layout
#13: Each panel is a monolithic pour using a consistent batch of 5000psi fiber reinforced concrete.
A 5000psi concrete is used for strength and for watertight characteristics.
The concrete mix exceeds watertight standards determined by the American Concrete Institute. Incorporated into the concrete are multiple layers of 1/2 and 5/8 steel reinforcing rods. Foundation panels weigh between 440 and 512 pounds per linear foot.
Our insulated product consists of 8-1/2 of EPS foam with an R-value exceeding R-30.