Summary

August 6th, 4-7pm

Hosted by: TC Legend Homes

Architect: Powerhouse Designs

Green Features:

Solar panels

High performance building envelope using SIGA air barrier system

Exterior insulation using Steico Fiber Wood Product for high R-value wall assemblies

High performance triple-glazed VETTA windows

Zehnder HRV/ERV heat recovery ventilation system

Heat pump hot water system

Photo Gallery

Details

Explore the Lynden Powerhaus by TC Legend Homes. This home will receive the DOE Zero Energy Ready Home, ENERGY STAR, and EPA Indoor airPLUS certifications, and is anticipated to receive Built Green 5-star certification. This thoughtful design can house up to four families and is capable of powering the home completely off the grid for weeks.

To learn more about Built Green certification join us at 5pm to hear Jane Wybenga speak about the certification.

Design

1549sf SFR & 842sf ADU
1123sf unconditioned garage & shop
4 bedroom, 3.5 bath SFR & 1 bedroom, 1 bath ADU
1st floor aging-in-place
Net Zero Energy
Passive solar heating/cooling design

Location

111 Terrace Dr, Lynden, WA 98264

Water Efficiency

WaterSense plumbing fixtures

Energy & Atmosphere

Annual Energy Cost Savings: $3,717
PV: 17.01kW solar array with whole home battery back-up
Insulation: R-29 walls & R-59 ceiling
Air Sealing: 0.45ACH
HERS Index: -24

Materials & Resources

Timber framed entry
Metal roof
Locally made walnut and maple cabinets
Bamboo Floor Score certified flooring
Vanair vented interior doors
Locally made solid fir front door
Silestone and Corian countertops
ENERGYSTAR appliances
LED lighting
No/Low-VOC finishes
Triple pane, Low-E coated, argon-filled vinyl windows

Indoor Air Quality

EPA Indoor airPLUS certification
Ventilation: (3) Fantech Hero 250 with built in HEPA filter. Built-in humidity, temperature, and CO2
Heating/Cooling: Chilltrix CX-50; hydronic radiant floor heating downstairs and (3) fan coil units