About Comfort Systems USA Mid South: Comfort Systems USA Mid South is a leading mechanical services company specializing in heating, ventilation, air conditioning, and plumbing services for commercial, industrial, and institutional clients. With a focus on safety, quality, and innovation, we integrate planning, engineering, and implementation processes to meet the complex needs of our customers. Our team is dedicated to delivering high-performance mechanical systems and services while fostering long-term relationships with our clients through collaborative and cost-effective solutions. Position Summary Comfort Systems USA Mid South is seeking an experienced Commercial HVAC Mechanic to join our construction team. This position is responsible for installing commercial HVAC equipment, refrigerant piping systems, controls, and assisting with equipment startup on a variety of commercial construction projects. The ideal candidate is dependable, safety-conscious, and capable of working independently while maintaining the high standards of quality our customers expect. Essential Responsibilities Install commercial HVAC equipment including split systems, DX units, package air conditioning units, ductless mini-split systems, heat pumps, and other commercial HVAC equipment. Install refrigerant piping, supports, insulation, valves, and accessories according to engineered drawings, equipment schedules, and manufacturer specifications. Read and interpret blueprints, piping schematics, control drawings, and installation details. Install basic HVAC controls including thermostats, humidistats, CO₂ sensors, relays, and motorized dampers. Perform equipment startup and functional testing to verify proper operation. Troubleshoot common HVAC equipment and installation-related issues. Coordinate work with project managers, foremen, electricians, pipefitters, sheet metal mechanics, and controls technicians. Maintain a clean, organized, and safe work environment. Follow all OSHA regulations and Comfort Systems USA Mid South safety standards. Perform other duties as assigned. Qualifications Minimum 3 years of commercial HVAC installation experience. Ability to install commercial HVAC equipment and refrigerant piping systems. Ability to read and interpret blueprints, control schematics, and engineering drawings. Experience installing basic HVAC controls. Working knowledge of commercial HVAC startup procedures. Strong troubleshooting and problem-solving skills. Ability to work a minimum of 40 hours per week, with overtime as project schedules require. Reliable transportation to and from assigned job sites. Valid driver's license with an acceptable driving record. Ability to lift, carry, and move materials weighing up to 50 pounds and work from ladders, lifts, and rooftops. Benefits: Competitive pay and incentives. Medical, Vision, and Dental insurance. Paid holidays and vacation. 401(k) Plan with multiple investment options. Training and Development Programs. Company-paid Employee Assistance Program. Employee discount programs. Company-paid and voluntary life insurance. Company-paid and voluntary accidental death & dismemberment (AD&D). Company-paid short-term disability and voluntary long-term disability. Healthcare reimbursement account and dependent care reimbursement account. Vehicle discount purchase programs. Disclaimer: The above statements are intended to describe the general nature and level of work being performed by employees assigned to this job. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities, and qualifications required of employees assigned to this job. All personnel may be required to perform duties outside of their normal responsibilities from time to time, as needed. Comfort Systems USA, Inc. and all subsidiaries, is an equal opportunity employer in all aspects of employment and prohibits discrimination and harassment of any type to all individuals regardless of race, color, religion, sex, national origin, age, disability, veteran status, genetic information, or any other characteristic protected by federal, state, or local laws. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training. Comfort Systems USA is composed of more than 45 operating companies in over 170 locations across the United States. We are a leading building and service provider for mechanical, electrical and plumbing building systems. We take great pride in knowing that the work we do can improve the lives of those around us. Our national footprint means that we have career opportunities across the USA, ranging from entry-level field and office positions to experienced professionals who support a wide range of projects.

Refrigerant Pipe Installer.

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