Lankford PassivHaus Special Features

Southwest Elevation

Certified Passive House by PHIUS – first one in Virginia.

Air leakage of <= .6 air exchanges/hour (normal houses have 5-10/hour)

Airtight construction with whole house Energy Recovery Ventilation (ERV)

Super energy-efficient 9”-thick double-stud walls achieve R-40 insulation

Super insulation – filled the 9” wall cavity completely with polyurethane foam.  Hybrid open-cell polyurethane foam and high-density cellulose insulation.

Reduced thermal bridging with “Advanced Framing” structural strategy

3-pane, suspended film SERIOUS© windows with insulated frames 

Full-light SERIOUS© triple glazed doors

Integrated 1100-gallon rainwater harvesting system – buried in crawl to keep cool.  Not hooked up yet, but plumbed to be used to flush, clean, water gardens, etc.

Trees harvested from lot (cherry & locust) used in building the house

Regionally-sourced red-oak floors with water-based, low VOC finish

Stones kept from the old retaining wall on site were used to craft the terrace

Sustainably harvested studs were used.  Double studs with structural insulated sheathing (SIS).  Structural sheathing used as an air barrier, seams taped.

FSC (Forest Stewardship Council) certified framing lumber and plywood

Locally sourced slate on window sills and west terrace from Buckingham Slate

No interior bearing walls – flexible space could be shifted around for endless possibilities

Spray poly foam (SPF) roof, painted white, counter-flashed with copper.  Lifetime roof if it stays painted (every 10-15 years).

Solar-ready: mounts for solar thermal already in roof.  1” stainless steel tubing to support solar panels.  

Western red cedar siding on traditional section, fiberglass mesh (instead of expanded steel mesh) for stucco section.  Makes it more elastic and less likely to crack.  3 coats, lifetime finish (with pigment).  Can be power-washed.

Super-efficient Japanese mini-split, ductless heat pump with 2 zones (roughed-in for 2 more if future owners wanted a separate zone in each bedroom).

State-of-the-art, high performance heat-pump water heater – more efficient than tankless

All appliances are Energy Star® or beyond:  Bosch EcosSense™ dishwasher, VestFrost refrigerator from Denmark, Schott Ceran® glass-ceramic cooktop.

Gourmet kitchen with European-style cabinets and silent-shut drawers.

Marketed by Eve Hesselroth, Realtor
Frank Hardy Inc.
Licensed to sell real estate in Virginia.
(434) 825-1878