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Commission approves setback variance for HVAC replacement at Sarty House
Summary
The Aspen HPC approved a Historic Preservation minor development and a rear‑yard setback variation to replace failing HVAC equipment at the Sarty House (128 E. Main), citing constrained site conditions and a location that minimizes visibility from the street; staff required decibel compliance and minor edits to the resolution.
The Aspen Historic Preservation Commission voted to approve a Historic Preservation minor development application and a rear‑yard setback variation to replace aging mechanical equipment at the Sarty House (128 East Main).
Jeffrey Barnhill, city planner, and Garrett Larimer of Kramer Land Planning told the commission the existing HVAC equipment is more than 20 years old, no longer serviceable, and uses refrigerant that is no longer available. The applicant proposed two chiller units with a buffer tank and snow guards; the team said they selected the smallest code‑compliant units that meet current energy and noise requirements and would be located behind a recent non‑historic addition to minimize visibility from Main Street.
Staff reviewed site constraints and the 2003 prior approval for similarly sited mechanical equipment, noted the proposed equipment meets city decibel limits measured at the property line, and recommended approval with a minor clarification to the resolution. "The location minimizes the visual impacts of the mechanical equipment and continues to provide the best space on site," staff said in their recommendation.
A nearby neighbor supported the project but asked how the city will ensure the units are operated at the stated decibel levels; staff replied enforcement is handled via neighbor complaints and code enforcement. Following discussion, the commission moved to approve the resolution; a roll call vote recorded the motion passing and staff will finalize the resolution language and monitor compliance.
Why it matters: The vote resolves an immediate equipment and health‑of‑system issue for a designated Aspen historic property while highlighting enforcement limits for noise compliance and ongoing staff work to create clearer administrative pathways for mechanical upgrades on historic properties.
