High Performance SIP Passive House Kansas City MO

Location: Kansas City, MO

Project Information

Project Type:	Residential, < 3,000 sq. ft.
Manufacturer:	Energy Panel Structures
Builder:	Kala
Design Professional:	Hoke-Ley
Year Built:	2022

Performance

High Performance:	Yes
HERS/EUI Index Score:	32
ACH50 - Blower Test Results:	0.36
kBtu/sq.ft./year:	14.11
CO2 lbs./sq.ft./year:

Awards/Certifications: Building Excellence Awards, Other Awards, DOE Zero Energy Ready Home, ENERGY STAR Certified, EPA Indoor AirPLUS, Passive House

BEA: 2022 Runner-Up High Performance Homes Under 3,000 sq. ft.
Phius CORE 2021 Passive House Certified

The homeowners were deeply concerned with health and durability. Building an airtight high performance envelope with SIP panels really resonated with them from the beginning of the sales process.

Wall thickness: EPS Foam (5 1/2") Full Panel Thickness 6 1/2"

HERS: 32
ACH50: 0.36
kBtu/ft2: 14.11

Innovative elements:
- 22' Tall panels at stairwell
- Cantilever floor truss for south porch roof
- SIP captures rim to keep continuous insulation via SIP
- Plenum truss for mechanical and electrical chase on top floor
- Open stair system with steel screen support

HVAC system:
Custom mechanical system designed by Positive Energy out of Austin, Texas (see attached document with details). Using Zehnder ERV, Santa Fe humidification, High efficiency heat pump and air handler.

U-values:
Operable windows: .14 u-factor
Fixed windows: .13 u-factor

Certifications:
Phius CORE 2021 Passive House Certified
Zero Energy Ready
EPA Indoor airPLUS
Energy Star Certified Home

Energy-efficient products:
All LED lighting
Heat pump water heater
Induction stove

Sustainable materials or design features:
To qualify for Phius CORE certification, all materials in the home had to meet/exceed WaterSense, IAQ+, and Zero Energy Ready.
Natural hardwood floors with no chemical finish.

Documents