Our experienced team offers services for both residential and commercial properties.With over 30 years of experience in the industry, we boast all of the knowledge and expertise in repairing.
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 company delivers expert furnace service, heat pump installations, and emergency heating repairs when you need them most.
Whether your furnace won’t ignite, your heat pump isn’t producing warm air, or you need a complete heating system replacement, our certified technicians diagnose and repair all makes and models of heating equipment. We specialize in gas furnaces, electric heating systems, heat pumps, and dual fuel systems for both residential and commercial properties throughout San Antonio. Our 30+ years of experience means we understand the unique heating challenges of Texas climate—from occasional hard freezes to the need for efficient systems that don’t run constantly during our short heating season.
LG Mechanical provides comprehensive heating services including pre-winter system tune-ups, emergency furnace repairs, energy-efficient heating installations, and preventive maintenance programs. Our transparent pricing, military-grade reliability, and Master HVAC Contractor expertise ensure your San Antonio property stays warm and comfortable all winter long. We offer same-day service for heating emergencies because we know that losing heat during a Texas freeze isn’t just uncomfortable—it can damage pipes and create safety hazards for your family or business.
Protect your heating investment with professional pre-winter maintenance from LG Mechanical. Our comprehensive furnace tune-ups and heating system inspections ensure your equipment operates safely and efficiently when cold weather arrives. Regular heating maintenance prevents mid-winter breakdowns, improves energy efficiency, extends equipment lifespan, and identifies potential safety issues before they become emergencies.
Furnace Safety Inspections & Carbon Monoxide Testing
Heat Exchanger Examination & Burner Cleaning
Thermostat Calibration & Air Filter Replacement
LG Mechanical’s Master HVAC Contractor certification guarantees professional heating service on every furnace repair and installation. Our veteran-owned commitment to excellence and 30+ years of San Antonio heating experience means your system receives expert attention from certified technicians who understand both modern high-efficiency equipment and older heating systems.
We stand behind our heating repairs and installations with comprehensive warranties and guaranteed customer satisfaction. As a licensed, insured Master HVAC Contractor, LG Mechanical provides transparent pricing, quality parts, and professional workmanship that keeps your San Antonio property warm and safe throughout the heating season.
LG Mechanical’s Master HVAC Contractor license represents the highest level of heating and cooling certification in Texas. Owner Geno Anguiano brings 30+ years of specialized heating expertise to every furnace repair and installation in San Antonio. This advanced credential requires extensive technical knowledge, proven field experience, and the ability to diagnose and repair complex heating systems that general contractors cannot service. Our veteran-owned company combines military precision with professional heating expertise to deliver reliable solutions for gas furnaces, electric heating, heat pumps, and dual fuel systems throughout San Antonio’s residential and commercial properties.
We service and install all types of heating systems for San Antonio properties including natural gas furnaces, electric furnaces, heat pumps, dual fuel systems, and ductless mini split heating. Our comprehensive heating expertise covers all major brands including Carrier, Trane, Lennox, Rheem, Goodman, York, and Daikin. Whether you need emergency furnace repair on a freezing night, a pre-winter heating tune-up, or a complete system replacement with modern high-efficiency equipment, LG Mechanical’s certified technicians deliver professional heating solutions. We also specialize in heat pump service—ideal for San Antonio’s mild winters where heat pumps provide energy-efficient heating and cooling in one system.
When your furnace stops working during a San Antonio cold snap, LG Mechanical responds quickly with professional emergency heating repair. We understand that Texas homeowners and businesses aren’t accustomed to extended cold weather, and losing heat during a freeze creates safety concerns and potential pipe damage. Our experienced technicians arrive prepared with fully-stocked service vehicles to diagnose and repair most heating problems on the first visit. We offer same-day service for heating emergencies and prioritize furnace repairs during cold weather events. From ignition failures and thermostat malfunctions to blower motor problems and heat exchanger issues, we restore your heating system quickly and safely.
Reduce heating costs with high-efficiency furnace and heat pump installations from LG Mechanical. Modern heating systems offer significant energy savings compared to older equipment—especially important for San Antonio properties where heating efficiency matters even during our relatively short winter season. We provide expert heating system design including proper sizing calculations, ductwork evaluation, and equipment selection matched to your property’s specific needs. Our heating installations include high-efficiency gas furnaces (up to 98% AFUE), variable-speed heat pumps, dual fuel systems that optimize gas and electric heating, and programmable thermostat integration for maximum comfort and efficiency. Every installation meets San Antonio building codes and manufacturer specifications for optimal performance and warranty protection.
Prevent mid-winter heating emergencies with professional pre-season furnace maintenance from LG Mechanical. Our comprehensive heating tune-ups include complete system inspection, burner cleaning and adjustment, heat exchanger examination, blower motor lubrication, thermostat calibration, air filter replacement, and safety testing including carbon monoxide checks. Regular heating maintenance improves energy efficiency, extends equipment lifespan, prevents unexpected breakdowns, and ensures your furnace operates safely. San Antonio homeowners and businesses trust our preventive maintenance programs to keep heating systems ready for those unpredictable Texas cold fronts. We offer flexible maintenance scheduling and remind you when your annual heating tune-up is due.
