Fresh Air, Historic Home: Installing and Balancing an ERV/HRV System in a Philadelphia Rowhome Costs in Philadelphia, PA [2025]
You love your Society Hill rowhome. The historic brick, the irreplaceable character, the feeling of being connected to Philadelphia's very foundation. But let's be honest, you also know the other side of that coin. You know the way cooking smells from last night’s dinner seem to linger until breakfast. You’ve wiped condensation from the inside of your beautiful, historic windows on a cold January morning. And you’ve felt that heavy, stuffy air in the height of an August heatwave, a feeling that no amount of air conditioning can seem to shake. You’ve made your home more energy-efficient with new windows and better insulation, but in sealing up the drafts, you’ve inadvertently created a near-airtight box. This box traps everything inside: allergens, VOCs from new furniture, pet dander, and moisture. The very air you breathe is becoming stale. You’ve heard about modern ventilation systems like ERVs and HRVs, but the thought of cutting into your 150-year-old brick and plaster w...