Fast, reliable HVAC repair and maintenance for San Antonio homes and businesses. LG Mechanical provides expert air conditioning service, heating repairs, and preventive maintenance backed by our Master HVAC Contractor license and 30+ years of diagnostic expertise. When your AC stops cooling during a Texas heatwave or your furnace fails during a cold snap, our […]

Professional HVAC system installation for San Antonio homes and businesses. LG Mechanical installs high-efficiency heating and cooling systems with expert design, precise sizing, and code-compliant installation backed by our Master HVAC Contractor license. Whether you’re replacing an aging system, building new construction, or upgrading to energy-efficient equipment, our veteran-owned company brings 30+ years of installation […]

Expert commercial kitchen hood fabrication and installation for San Antonio restaurants, food service facilities, and commercial kitchens. LG Mechanical specializes in custom-built ventilation systems including Type I grease hoods, Type II steam hoods, exhaust ductwork, and complete kitchen ventilation solutions. As a Master HVAC Contractor with 30+ years of commercial kitchen experience, we design and […]

Professional ductless mini split installation and service for San Antonio homes and businesses. LG Mechanical installs energy-efficient mini split systems that deliver zone cooling and heating without ductwork—ideal for room additions, garages, older homes without ducts, and commercial spaces requiring individual climate control. As a Master HVAC Contractor and certified Mitsubishi Diamond Contractor, we bring […]

Professional duct circuit design and custom fabrication for residential and commercial properties in San Antonio. LG Mechanical maximizes HVAC efficiency and airflow with expertly engineered ductwork distribution systems. Properly designed and installed ductwork is critical to your heating and cooling performance—even the most efficient HVAC system underperforms with poorly designed ducts. Our Master HVAC Contractor […]

Professional furnace and heating system repair, maintenance, and installation for San Antonio homes and businesses. LG Mechanical keeps your property comfortable during Texas cold snaps with reliable heating solutions from our Master HVAC Contractor team. While San Antonio winters are typically mild, sudden freezes and cold fronts demand a heating system you can trust—our veteran-owned […]

Complete commercial HVAC services for San Antonio businesses. LG Mechanical provides expert system design, installation, repair, and preventive maintenance for offices, retail stores, restaurants, warehouses, and industrial properties. As a Master HVAC Contractor with over 30 years of experience, we understand that commercial downtime costs money—that’s why we deliver fast, reliable service that keeps your […]