Crown Street by Haynes Construction

"It's even more rewarding when you know every tenant is realizing significant energy savings, increased indoor air quality,
and a sense of security in a high-performance home."

Builder

Key Features

• Walls: 2x6, 16" o.c., R-40 total: advanced framed, R-21 fiberglass batts in cavity, coated OSB sheathing taped, 4" R-20 XPS, extensive air sealing.
• Roof: Truss gabled roof: hot roof, architectural shingles, Cool Roof certified; extensive air sealing at demising walls between townhomes including attic demising walls.
• Attic: Unvented, 10.5: R-60 closed-cell spray foam under roof deck, 12" raised heel trusses.
• Foundation: Slab on grade: walk-out basement walls have closed-cell spray foam in wall cavities; garage-to-living space walls insulated with R-10 XPS and fully air sealed; floors of living space over garages separated with 14" truss joist filled with open-cell spray foam.
• Windows: Triple-pane, argon-filled, low-e, vinyl frame, hopper style, U=0.18, SHGC=0.40.
• Air Sealing: 0.5 to 1 ACH50; taped coated OSB sheathing, closed- or open-cell spray foam in floor joists, closed cell in attics; aerosol whole-house sealant used in apartments.
• Ventilation: ERVs; MERV 13 filter in ERVs, MERV 10 filter in air source heat pumps.
• HVAC: Ducted mini-split heat pump, 9.4 HSPF, 15.2 SEER.
• Hot Water: Gas tankless, 96 EF.
• Lighting: 99% LED, 1% CFL, motion sensors.
• Appliances: ENERGY STAR clothes washer and dryer, refrigerator, dishwashers.
• Solar: Solar installed for community spaces and outdoor electrical use.
• Water Conservation: Low-flow fixtures, drip irrigation, stormwater management.
• Energy Management System: N/A
• Other: EV charging; low/no-VOC flooring, paint, sealants, paneling; no smoking allowed.