NewHVAC Technician JobotHVAC TechnicianCharlotte, NC$25–$55 / hourInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. An MWBE-certified company, we maintain a core team of highly trained engineers, project managers, superintendents, and technicians who can satisfy your most complex specifications.
NewHVAC Estimator JobotHVAC EstimatorCharlotte, NC$60,000–$130,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. An MWBE-certified company, we maintain a core team of highly trained engineers, project managers, superintendents, and technicians who can satisfy your most complex specifications.
NewHVAC Superintendent JobotHVAC SuperintendentCharlotte, NC$100,000–$140,000 / yearThe PM will be responsible to know and fully understand each project they are assigned while providing any and all required information and direction to the Project Superintendent, Project Foreman and field crew to complete the projects HVAC System’s installation as required by the associated contract documents. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.
NewCommercial HVAC Sales Representative JobotCommercial HVAC Sales RepresentativeCharlotte, NC$75,000–$90,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. 2. Building and maintaining strong relationships with existing clients, ensuring their HVAC needs are met and exceeding their service expectations.
NewHVAC Technician 3 Sunbelt RentalsHVAC Technician 3Charlotte, NC$24.05–$34.56 / hourAdditionally, this role repairs the most complex Climate Control equipment, provides training and guidance to other Technicians, checks in and repairs equipment, performs general shop duties and delivers/installs CC equipment as needed. Position Objective: The HVAC Technician 3 demonstrates a level of professionalism through positive communication and appearance and provides an exemplary level of service to our customers.
NewHVAC Technician 2 Sunbelt RentalsHVAC Technician 2Charlotte, NC$21.38–$30.72 / hourPosition Objective: The HVAC Technician 2 demonstrates a level of professionalism through positive communication and appearance and provides an exemplary level of service to our customers. Sunbelt offers team members the following paid time off from work, subject to Sunbelt's policies (unless specified in a collective bargaining agreement): 12-25 vacation days depending on years of service.
HVAC Installer - Residential Replacement Brothers Heating, Cooling, PlumbingHVAC Installer - Residential ReplacementCharlotte, NC$80,000–$100,000p style="margin:0px">Brothers Heating, Cooling & Plumbing, in partnership with American Residential Services, is part of the nation’s largest provider of residential HVAC, heating, air conditioning, plumbing, and electrical services with 7,000+ team members and over 45 years of experience. We are hiring experienced HVAC Installers and HVAC Lead Installers to install residential heating and air conditioning systems including furnaces, heat pumps, air conditioners, and complete HVAC systems for homeowners.
HVAC Technician - Climate Control Sunbelt RentalsHVAC Technician - Climate ControlCharlotte, NC$18.99–$27.30 / hourAdditionally, this role works primarily in the shop to keep it organized, clean and safe and learns how to check in, clean and prepare equipment for rental support other tech staff on large jobs. Position Objective: The HVAC Technician 1 demonstrates a level of professionalism through positive communication and appearance and provides an exemplary level of service to our customers.
NewMechanical Mission Critical HVAC Service Technician UpchurchMechanical Mission Critical HVAC Service TechnicianCharlotte, NCp style="min-height:1.5em">Through our Data Center Mission Critical (DC|MC) business unit, Upchurch provides specialized operations and maintenance services focused on uptime, reliability, and lifecycle performance of data center infrastructure. This role supports colocation, hyperscale, enterprise, and edge data centers by executing disciplined preventive, corrective, and condition-based maintenance on mission-critical cooling and mechanical systems.
Senior HVAC Chiller Technician ABM IndustriesSenior HVAC Chiller TechnicianCharlotte, NC$30–$40For information about ABM’s benefits, visit ABM Employee Benefits | Front Line Team Members. This position also supports the project management function with budgeted cost, contracted scope and completed execution of services on-time; it does not carry full project financial ownership or P&L responsibility but is focused on quality and execution, rather than administrative project management.
NewHVAC/Boiler Tech Duke HealthHVAC/Boiler TechMooresville, NCli style="margin:0in 0in 8pt 0px;line-height:115%;font-size:12pt;font-family:'aptos' , sans-serif">Experience: Work requires 3 years of broad-based experience in: changing small refrigeration appliances; changing compressors, belts and valves; and adjusting and calibrating temperature and humidity controls. Essential Physical Job Functions: Certain jobs at Duke University and Duke University Health System may include essential job functions that require specific physical and/or mental abilities.
NewSr. Controls Technician – Building Automation JobotSr. Controls Technician – Building AutomationCharlotte, NC$35–$45 / hourInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Established mechanical contractor based in North Carolina that provides HVAC construction, service, and building systems solutions for commercial and industrial facilities.
NewOutside Sales Rep - Power & HVAC United RentalsOutside Sales Rep - Power & HVACRock Hill, SCul>Increase revenue for the branch through quality customer service and a strong understanding of specialty engineered rental products to include silenced diesel generators, air-cooled chillers, air-conditioning, electric heat, desiccant dehumidification, load banks and electrical distribution. Ability to properly size, quote, install and maintain small less complex, and moderately complex projects; that may range from industrial process cooling, construction and water damage drying, multi-level power distribution at various voltages and large scale climate control projects.
Director, Power & HVAC Product Line Management Sunbelt RentalsDirector, Power & HVAC Product Line ManagementFort Mill, SC$146,880–$201,960 / yearDemonstrated ability to lead through both direct and indirect structures, including influencing teams without formal authority, developing talent and organizational capability, and showing readiness to scale into formal people leadership as the function grows. Some Sunbelt jobs may require driving for long periods of time, loading and unloading heavy equipment, performing work in extreme weather conditions including rain, wind, or excessive temperatures and/or night and weekend work.
Strategic Customer Support Representative - Power & HVAC Sunbelt RentalsStrategic Customer Support Representative - Power & HVACFort Mill, SC$17.75–$23.72 / hourRelated experience may include: Customer Service Associate (CSA), Customer Service Representative (CSR), Leasing Consultant, Rental Agent, Sales Clerk, Account Manager, Account Representative, Call Center Representative, Client Services Representative, Customer Care Representative (CCR), Customer Service Agent, Customer Service Representative (Customer Service Rep), Customer Service Specialist, Member Services Representative, Sales Facilitator. The Strategic Customer Support Representative - Pump and Power serves as the first point of contact for many of our customers, whose purpose is to understand the customers' needs, provide equipment solutions, negotiate and close the deal (rental or sale) and process the customer's contract.
Experienced Residential HVAC Installer Horne Heating & Air ConditioningExperienced Residential HVAC InstallerCharlotte, NC$80,000–$110,000 / yearIf you are ready to grow your HVAC installation career with a company that values your expertise, supports your development, and rewards outstanding performance, Horne Heating and Air Conditioning offers the stability, resources, and opportunities to help you build a successful future. You will install furnaces, air conditioners, heat pumps, air handlers, and related HVAC equipment, complete system start-ups and testing, maintain organized and safe job sites, and communicate professionally with homeowners throughout the installation process.
Experienced Residential HVAC Installer Horne Heating and Air Conditioning IncExperienced Residential HVAC InstallerCharlotte, NC$80,000–$110,000 / yearIf you are ready to grow your HVAC installation career with a company that values your expertise, supports your development, and rewards outstanding performance, Horne Heating & Air Conditioning offers the stability, resources, and opportunities to help you build a successful future. You will install furnaces, air conditioners, heat pumps, air handlers, and related HVAC equipment, complete system start-ups and testing, maintain organized and safe job sites, and communicate professionally with homeowners throughout the installation process.
Experienced Residential HVAC Installer - Charlotte Morris-JenkinsExperienced Residential HVAC Installer - CharlotteCharlotte, North CarolinaWe proudly serve the following cities: Ballantyne, Belmont, Charlotte, Clover, Concord, Cornelius, Davidson, Denver, Fort Mill, Gastonia, Huntersville, Indian Trail, Kannapolis, Lake Norman, Matthews, Mint Hill, Monroe, Mooresville, Mount Holly, Pineville, Rock Hill, and Waxhaw. Charlotte is located in Mecklenburg County, but Morris-Jenkins also services Gaston county, Cabarrus county, Rowan county, Union county, Iredell county, and York county (South Carolina).
HVAC Installer Chad Love ServicesHVAC InstallerConcord, North CarolinaWith generations of experience delivering the highest quality service available to over 100,000 customers, Chad Love Services provides Heating, Cooling, Duct Cleaning AND SO MUCH MORE and is fully dedicated to maintaining its position as Concord’s #1 rated service company on Google at over 1300 5 Star Reviews! The essential functions of the Lead Install Technician are to serve the customers of the company by installing heating and air conditioning systems with an emphasis on quality installations performed efficiently and following all applicable local and national codes.
Residential HVAC Installer One Hour Heating & Air Conditioning Franchising SPE LLCResidential HVAC InstallerPineville, NCp>All Installation Technicians are expected to have a clean neat appearance appropriate tools a valid drivers license with a clean driving record the ability to pass a pre-employment and random drug screen as well as undergo a thorough background check. Our training programs include Technical Training Virtual technical training communications sales and more If you are serious about your career and want to learn from the best in the industry apply today.
HVAC Installer Harmony Heating & AirHVAC InstallerRock Hill, SCThis role requires a solid understanding of HVAC components, ductwork, and system layout, along with the ability to deliver high-quality workmanship under deadlines. The ideal candidate will have hands-on experience in installing heating, ventilation, and air conditioning systems in both residential and commercial settings.
HVAC Installer Experienced (Residential) GSM ServicesHVAC Installer Experienced (Residential)Gastonia, NCKey Responsibilities: Ductwork & Vent Installation: Independently install ductwork, piping, flex systems, and vent systems for furnaces, water heaters, bath vents, kitchen hoods, downdraft appliances, and more. Start/Test Tasks: Handle all start and test duties with no supervision, including setting up drain lines, thermostats, refrigerant piping, TXV's, zoning systems, variable capacity systems, and Bluetooth systems.
HVAC Install Helper Allied Aire, Inc.HVAC Install HelperCornelius, NC$18–$21 / hourYou will assist lead installers with the installation of residential HVAC systems while learning the trade through hands-on training. Assist with installation of residential HVAC equipment, including heat pumps, air conditioners, furnaces, and air handlers.
Residential HVAC Installer One Hour Heating & Air Conditioning of Charlotte, NCResidential HVAC InstallerCharlotte, NCAll Installation Technicians are expected to have a clean, neat appearance, appropriate tools, a valid driver's license with a clean driving record, the ability to pass a pre-employment and random drug screen, as well as undergo a thorough background check. One Hour offers all of these things, along with a competitive pay structure and a solid benefits package: · Pay is a range of $18/hr (Helper) to $25/hr (very experienced) and will commensurate with experience.
Lead HVAC Installer Integrity Heating & CoolingLead HVAC InstallerCharlotte, North CarolinaWe invest in our people through training, teamwork, and long-term career growth—and we’re looking for a strong leader to help drive our installation team forward. Integrity Heating & Cooling has proudly served the Greater Charlotte area for over 21 years, delivering expert HVAC solutions with a focus on professionalism, reliability, and customer satisfaction.
HVAC Technician CBRE Group IncHVAC TechnicianConcord, NCp>About the Role: As a CBRE HVAC Technician, you will be responsible for maintaining mechanical and electrical equipment for commercial HVAC systems at facilities by conducting proactive performance testing and ongoing scheduled maintenance. Meet the physical requirements of this role including stooping, standing, walking, climbing stairs/ladders, and the ability to lift/carry heavy loads of 50 lbs.
HVAC Technician II, Commercial ABM Industries IncHVAC Technician II, CommercialCharlotte, NCWith over $8 billion in annual revenue and a blue-chip client base, ABM delivers innovative technologies and sustainable solutions that enhance facilities and empower clients to achieve their goals. The HVAC Technician II is responsible for the maintenance, troubleshooting, repair, and installation of commercial HVAC, refrigeration, and mechanical systems across assigned client sites.
HVAC Technician - Industrial Commercial - 8hr. Day Shift Cbre ValuationHVAC Technician - Industrial Commercial - 8hr. Day ShiftConcord, NCp>CBRE Global Workplace Solutions (GWS) propose des prestations multi techniques et multi services afin d'assurer une gestion efficace et pérenne des services généraux de nos clients. CBRE GWS France traite ainsi toutes les facettes de la gestion des installations, en utilisant un modèle intégré qui combine des services directs et des sous-traitants spécialisés.
Supermarket Rack Refrigeration Hvac Technician WalmartSupermarket Rack Refrigeration Hvac TechnicianFort Mill, SCFull timeAs a Supermarket Rack Refrigeration HVAC Technician at our local retail store, your role will support and oversee repair within the Walmart facilities Refrigeration HVAC equipment team and assets by utilizing commercial HVAC and Refrigeration skills and using hand tools, digital tools, power tools, and other equipment to complete jobs. Maintain and repair Walmart facility's Refrigeration HVAC equipment and assets by utilizing commercial HVAC and Refrigeration skills and using hand tools, digital tools, power tools, and other equipment to complete jobs.
Senior Supermarket Rack Refrigeration Hvac Technician WalmartSenior Supermarket Rack Refrigeration Hvac TechnicianLocust, NCFull timeAs a Senior Supermarket Rack Refrigeration HVAC Technician at our local retail store, your role will support and oversee repair within the Walmart facilities Refrigeration HVAC equipment team and assets by utilizing commercial HVAC and Refrigeration skills and using hand tools, digital tools, power tools, and other equipment to complete jobs. Maintain and repair Walmart facility's Refrigeration HVAC equipment and assets by utilizing commercial HVAC and Refrigeration skills and using hand tools, digital tools, power tools, and other equipment to complete jobs.
NewSupermarket Rack Refrigeration HVAC Technician IntellisourceSupermarket Rack Refrigeration HVAC TechnicianRock Hill, SC$56,160–$106,080 / yearAs a Supermarket Rack Refrigeration HVAC Technician at our local retail store, your role will support and oversee repair within the Walmartfacilities Refrigeration HVAC equipment team and assets by utilizing commercial HVAC and Refrigeration skills and using hand tools, digital tools, power tools, and other equipment to complete jobs. Maintain and repair Walmart facility's Refrigeration HVAC equipment and assets by utilizing commercial HVAC and Refrigeration skills and using hand tools, digital tools, power tools, and other equipment to complete jobs.
Field HVAC Technician ABM IndustriesField HVAC TechnicianCharlotte, NC$36–$38 / hourFull timeFounded in 1909, ABM serves over 20,000 clients, with annualized revenue approaching $8 billion and more than 100,000 team members in 350+ offices throughout the United States, United Kingdom, Republic of Ireland, and other international locations. From curbside to rooftop, ABM’s comprehensive services include janitorial, engineering, parking, electrical and lighting, energy and electric vehicle charging infrastructure, HVAC and mechanical, landscape and turf, and mission critical solutions.
HVAC Technician II and III Distinctive Staffing SolutionsHVAC Technician II and IIICharlotte, NCYour expertise will contribute to ensuring the optimal performance and reliability of a wide range of HVAC equipment, including chillers, boilers, and various types of air conditioning units. Diagnose and repair defective HVAC components, wiring issues, and equipment malfunctions, focusing on fan coils, chillers, and other related systems.
HVAC Service Technician Allied Aire, Inc.HVAC Service TechnicianCornelius, NC$25–$40 / hourAllied Aire, Inc. is hiring experienced HVAC Service Technicians / Lead Installers who are ready to earn more, work with a strong team, and take their career to the next level. Candidates will be required to pass a background check and drug test upon being given a conditional offer of employment.
HVAC Installer - Residential GSM ServicesHVAC Installer - ResidentialGastonia, NCp>Key Responsibilities: Ductwork & Vent Installation: Independently install ductwork, piping, flex systems, and vent systems for furnaces, water heaters, bath vents, kitchen hoods, downdraft appliances, and more. Start/Test Tasks: Handle all start and test duties with no supervision, including setting up drain lines, thermostats, refrigerant piping, TXV's, zoning systems, variable capacity systems, and Bluetooth systems.
NewResidential HVAC Service Technician Allied Aire, Inc.Residential HVAC Service TechnicianCornelius, NC$25–$40 / hourAllied Aire, Inc. is seeking an experienced Residential HVAC Service Technician / Lead Installer who is committed to delivering high-quality workmanship and exceptional customer service. At Allied Aire, Inc., we pride ourselves on our strong team culture, commitment to ongoing training, and dedication to delivering an outstanding customer experience.
Service Excellence HVAC/R Lead HVAC Technician (Charlotte, NC) BudderflyService Excellence HVAC/R Lead HVAC Technician (Charlotte, NC)Charlotte, NC$24–$38 / hourdiv class="content-pay-transparency">Compensation$24—$38 USDCompensation is based on factors including level of experience, skillset, qualifications, and location. https://www.youtube.com/watch?v=W5olHTsH5Hc.
Refrigeration / HVAC Service Technician Bahnson Inc.Refrigeration / HVAC Service TechnicianCharlotte, North Carolinaul>Will be working on medium and low-temperature refrigeration systems requiring technical skills, including walk-in freezers and coolers, rooftop HVAC units, heat pumps, DX systems, pneumatic and electrical controls, and commercial/industrial type production and comfort cooling systems. EMCOR Group and its companies list open positions here.
HVAC TECHNICIAN (FULL TIME) Compass Group North AmericaHVAC TECHNICIAN (FULL TIME)Charlotte, NC$18–$52 / hourCleans, lubricates, services, repairs, and diagnoses malfunction of HVAC, electrical, and mechanical building systems, sterilizers, food service equipment, sprinkler and standpipe systems, transport systems, electronic signaling systems, fire alarm systems, and similar plant and specialty equipment items. Headquartered in Dallas/Fort Worth, our team of 125 professionals-including engineers, project managers, certified technicians, and skilled tradespeople-drives our consistent growth and reputation for excellence.
NewRetail HVAC Installer AirtronRetail HVAC InstallerCharlotte, North Carolinali>Must be able to wear required personal protective equipment (PPE) including but not limited to hard hat, safety glasses, ear plugs, masks/respirators, reflective safety vests, gloves and safety toe, construction-grade work boots. Essential Duties/Responsibilities*: Works under general supervision to install heating, air conditioning, ventilation equipment, as well as other products in accordance with company requirements and manufacture specifications.
HVAC Service/Start Up Technician Power DesignHVAC Service/Start Up TechnicianGastonia, North Carolinap/>The Mechanical Service Technician provides support to Power Design projects by performing Mechanical work within a specified region. Provide weekly status updates on warranty calls, small projects and service work, service tickets, labor requirements and material requirements.
HVAC Technician Pool Union County Public SchoolsHVAC Technician PoolMonroe, NCp>Under general supervision, the HVAC Technician will install, maintain, and repair ventilation, air conditioning and environmental control systems. Position Type: Auxiliary Services/HVAC Technician.
HVAC Technician Distinctive Staffing SolutionsHVAC TechnicianCharlotte, NCp style="background-color:rgb( 255 , 255 , 255 );border:0px;color:rgb( 68 , 63 , 59 );font-family:'arial' , 'helvetica neue' , 'helvetica' , sans-serif;font-size:14px;font-style:normal;font-weight:400;letter-spacing:0.28px;line-height:1.4;margin:0px;max-width:none;padding:0px;text-indent:0px;text-transform:none;vertical-align:baseline;white-space:normal;word-spacing:0px">Key Responsibilities:. Join our team and make a significant impact in the HVAC industry while advancing your career in a dynamic and innovative environment.
NewHVAC Technician II (Charlotte, NC Morse) QED NationalHVAC Technician II (Charlotte, NC Morse)Charlotte, NCp>Position Description: Join a dynamic team as an HVAC Technician II in Charlotte, NC, supporting commercial HVAC systems including chillers, water pumps, cooling towers, air handlers, package units, split systems, exhaust fans, and heat pumps. This contract role offers an exciting opportunity to perform preventative and corrective maintenance, troubleshoot electrical, plumbing, and HVAC equipment, and ensure optimal system performance in a fast-paced environment.
Lead HVAC Service Technician The Blue Collar RecruiterLead HVAC Service TechnicianCharlotte, North Carolinadiv>We don’t believe in high-pressure sales tactics—our focus is on honest work, real solutions, and long-term customer trust. Leadership Ability: Experience leading jobs or mentoring other techs is a strong plus.HVAC Technician Honesty Mechanical LlcHVAC TechnicianRock Hill, SCRepair or service heating, ventilating, and air conditioning (HVAC) systems to improve efficiency, such as by changing filters, cleaning ducts, or refilling non-toxic refrigerants. In this role, you will install, service, or repair heating and air conditioning systems in residences or commercial establishments.HVAC Service Technician Chad Love ServicesHVAC Service TechnicianConcord, North CarolinaWith generations of experience delivering the highest quality service available to over 10,000 customers, Chad Love Services provides Heating, Cooling, Duct Cleaning AND SO MUCH MORE and is fully dedicated to maintaining its position as Concord’s #1 rated service company. We have built the strongest team and culture you’ve ever seen, where team members are deeply motivated; we care about you and your hobbies and your family and your free time and make sure that can have that balance in your life to enjoy it all; we’re constantly expanding and creating amazing new opportunities for you.Entry-Level HVAC Service Technician Charlotte Heating & AirEntry-Level HVAC Service TechnicianCharlotte, NC$19–$24 / hourPosition Summary: You'll work in the field alongside experienced technicians while actively contributing to service calls, learning the trade through real job-site experience, and building the skills needed to become a full-service HVAC technician. Charlotte Heating & Air is a local, family-owned company that's been earning trust in the greater Charlotte area for over 15 years.Onsite HVAC Technician III V EMCOR Group IncOnsite HVAC Technician III VCharlotte, NCAll skills listed in the Class 3 and Class 4 sections above plus understanding of water-cooled chillers, chilled water systems, large chiller rebuilds, rigging, large boilers, pumps, and assist with technical support to other technicians. All skills listed in the Class 3 category above plus the ability to perform trouble shooting and repairs on all types of air-cooled chillers, pumps, and low-pressure boilers.1234567Resume ResourcesFree Resume TemplatesFree Resume Builder
HVAC Technician Honesty Mechanical LlcHVAC TechnicianRock Hill, SCRepair or service heating, ventilating, and air conditioning (HVAC) systems to improve efficiency, such as by changing filters, cleaning ducts, or refilling non-toxic refrigerants. In this role, you will install, service, or repair heating and air conditioning systems in residences or commercial establishments.
HVAC Service Technician Chad Love ServicesHVAC Service TechnicianConcord, North CarolinaWith generations of experience delivering the highest quality service available to over 10,000 customers, Chad Love Services provides Heating, Cooling, Duct Cleaning AND SO MUCH MORE and is fully dedicated to maintaining its position as Concord’s #1 rated service company. We have built the strongest team and culture you’ve ever seen, where team members are deeply motivated; we care about you and your hobbies and your family and your free time and make sure that can have that balance in your life to enjoy it all; we’re constantly expanding and creating amazing new opportunities for you.
Entry-Level HVAC Service Technician Charlotte Heating & AirEntry-Level HVAC Service TechnicianCharlotte, NC$19–$24 / hourPosition Summary: You'll work in the field alongside experienced technicians while actively contributing to service calls, learning the trade through real job-site experience, and building the skills needed to become a full-service HVAC technician. Charlotte Heating & Air is a local, family-owned company that's been earning trust in the greater Charlotte area for over 15 years.
Onsite HVAC Technician III V EMCOR Group IncOnsite HVAC Technician III VCharlotte, NCAll skills listed in the Class 3 and Class 4 sections above plus understanding of water-cooled chillers, chilled water systems, large chiller rebuilds, rigging, large boilers, pumps, and assist with technical support to other technicians. All skills listed in the Class 3 category above plus the ability to perform trouble shooting and repairs on all types of air-cooled chillers, pumps, and low-pressure boilers.