150 N KEATS AVE Mechanical Permit: HVAC Replacement - R22 to R454B

Blackburn & Davis Inc. is swapping out the HVAC in Apt. 3 at 150 N Keats Ave for owners Catherine M. and Jerry G. Warner, replacing the old R‑22 system with a newer R‑454B air conditioner and condenser (unit serial CTF30135ACS1). The work—an electric 2.5‑ton replacement with line set and wiring extended to the new attic air handler and a ground‑level condenser—is estimated at $7,146.40 and the permit has been issued.