COMMERCIAL: Repair and service for all makes and brands... Install and replace HVAC systems - Mini-split systems for server room - Service call $45 - Free estimate for replacement or new installation. RESIDENTIAL: Repair and service for all brands and makes... Zoning installation, Retrofit or replace HVAC systems, New install for custom built homes, Install mini-split system for single room, Service call $35 - Free estimate for replacement or new installation