Build a career at Lee Company!

Lee Company, honored as one of Tennessee’s 2017 Top Work Places, is the largest mechanical contractor in Tennessee with over 1,200 employees. Founded in 1944, this $225 million company provides mechanical contracting, facility solutions and home services to customers throughout the region. Along with a 2017 Top Work Place Award from the Tennessean, Lee Company has also been honored as ACCA’s 2017 Residential Contractor of the Year and recognized as the Associate General Contractors 2015 Subcontractor of the Year ($10M+ category).

Lee Company proudly offers:

• Medical, Dental, and Vision
• FSA, HRA, or HSA
• Basic Life & AD&D Insurance
• Voluntary Life Insurance
• Short- and Long-Term Disability
• Accident & Critical Illness Coverage
• Home & Auto Discounts
• 401(k)
• Paid Time Off (PTO)
• Full-Time Work
• Free NCCER Training and Certification through Lee University

In addition, Lee Company offers an Employee Assistance Program, chaplain services, will preparation services and a wellness and rewards program at no cost.

Lee Company is driven by family values and strives to create an environment where employees can thrive.  We are adding to our family with the following position:

HVAC Technician Level 3 - Industrial/Commercial

Summary: This position is responsible to perform maintenance and service for our commercial HVAC customers, utilize our technology, technical capability, and customer service to provide a great experience to our customer. Primarily responsible for performing installs, repairs and maintenance to a variety of equipment including: refrigeration, air conditioning, electric motors, heating units, heat pumps, hermetic compressors, light commercial furnaces, boilers, burners, intake and exhaust fans, economizers, humidifiers, capacity controls, semi-hermetic compressors, split systems, flame safeguard controls, air compressors, air driers, chillers, and packaged units.

Essential Duties and Responsibilities (include, but are not limited to):

• Fully understands and has mastered the refrigeration cycles to include: identifying components in advanced refrigeration circuits, understanding how each component works, diagnosing and correcting problems in the refrigeration circuit, using manifold gauge set, pressure/temperature chart and temperature measuring devices for routine maintenance and to troubleshoot. Understands refrigeration recovery, evacuation and charging, understands the installation and sizing of refrigerant piping.
• Fully understands and has mastered the heating cycle to include: identifying components in heating system, understanding how each component works, diagnosing problems in the heating system using a gas pressure test and other devices for routine maintenance and to troubleshoot and repair. Fully understands and has mastered the theory of combustion and how it relates to combustible fuels such as gas and oil. Must be able to perform a combustion analysis on all combustible heating systems and analyze its results.
• Fully understands and has mastered electron theory, how electricity travels, AC and DC currents, single phase and three phase circuits, and series and parallel circuits. Ability to read wiring advanced wiring diagrams. Knowledge of Ohms Law. Ability to use multi-meters to read voltage, current and resistance values. Must be able to troubleshoot advanced electrical circuits.
• Fully understands and has mastered the fundamentals of temperature and humidity measurement and control in air conditioning units. Understands the process of treating air so as to simultaneously control its temperature, humidity, cleanliness and distribution. Ability to use a psychometric chart to determine the results of mixing air having various properties.
• Fully understands and has mastered all types of HVAC systems and how each component within the system operates in conjunction with the other components and how that impacts the overall operations of the system as a whole. These systems include but are not limited to air cooled, water cooled, hot water systems, chilled water systems, VAV systems, steam heating systems and building automation control systems.
• Knowledge of Windows operating systems
• Soldering
• Brazing
• Combustion analysis
• Advanced heat load calculations
• Advanced heat loss calculations
• Cooling load calculations
• Advanced navigation thru multiple building automation controls systems

A Technician III must be able to repair, adjust, maintain, retrofit and troubleshoot the following equipment:

• All types and sizes of refrigerant controls
• All types and sizes of compressors
• All types and sizes of heat pumps
• All types and sizes of split systems
• All types and sizes of packaged units
• All types and sizes of ductless splits
• All types and sizes of electric motors and electric motor controls
• All types and sizes of commercial furnaces, boilers, burners and related controls
• All types and sizes of types of water pumps
• All types and sizes of intake and exhaust fans
• All types and sizes of unit heaters (hot water, steam and electric)
• All types and sizes of economizers
• All types and sizes of humidifiers
• All types of capacity controls
• All types of flame safeguard controls
• All types and sizes of air compressors, air driers and related accessories and controls
• All types and sizes of reciprocating chillers and screw chillers
• Must have an understanding of centrifugal chillers
• All types and sizes of boilers and related controls
• All types and sizes of VAV systems and related controls
• All types and sizes of VAV units and VAV terminal boxes
• All types and sizes of cooling towers
• All types of pneumatic controls
• All types and sizes of electronic controls
• Multiple manufacturers building automation control systems
• Various types of variable frequency drives
• All types and sizes of steam generators
• All types of static pressure controls
• All types and sizes of computer room equipment
• All types and sizes of glycol systems
• All types and sizes of heat wheels
• Must be proficient with dial indicators

Education and/or Experience:

• Minimum 8 + years in Commercial HVAC Service or
• Any similar combination of education and experience.
• Must have Universal EPA Certification
• Must have a high school diploma or equivalent GED certificate
• Must have attended factory training over the course of time in the trade and supply certificates
• Multiple seminar certifications

Physical Demands/Working Conditions:

The physical activities described are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions and expectations. Individuals may need to ride or drive in a vehicle for 2 or more hours at a time depending on position. Individuals working at an outside job site may be exposed to varying temperatures including very hot (above 90 degrees F) or very cold (below 32 degrees F) and all weather conditions. Individuals may be exposed to: cramped work spaces, contaminants, extremely bright or inadequate lighting conditions, exposure to sounds and noise levels that are distracting or uncomfortable. Performing this job requires frequent use of hands to handle, control or feel objects, tools or controls. Must be able to sit, talk, hear, and stand frequently throughout the day. Must be able to climb, reach above shoulder height, stoop, kneel, crouch or crawl frequently. The position occasionally may require lifting heavy objects (up to 75 pounds) and performing strenuous physical labor under adverse field conditions. Individuals may occasionally be exposed to hazardous conditions, high places and /or hazardous equipment. May work with or around chemicals that require knowledge of a safety data sheet.

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