Victorian Architecture Challenges
High ceilings, single-pane windows, minimal insulation, and multi-story layouts create unique HVAC challenges. Cookie-cutter solutions don't work.
Historical Preservation Considerations
Many San Francisco Victorians have protected status. HVAC modifications must respect historical character—visible ductwork or modern registers may not be allowed.
Mini-Splits: The Victorian Solution
Ductless mini-splits require only small holes for refrigerant lines. Indoor units mount discreetly on walls. They're ideal for homes without existing ductwork.
High-Velocity Small-Duct Systems
Systems like Unico use 2" flexible ducts that snake through wall cavities. This enables central conditioning in homes where traditional ducts can't fit.
Radiator System Upgrades
Many Victorians have hot water radiators. These can be paired with high-efficiency boilers and smart thermostats for improved comfort and efficiency.
Insulation and Air Sealing
Before investing in new HVAC, address insulation. Many Victorians leak air excessively. Sealing reduces heating demands and improves comfort.