124 Results for

HVAC Jobs in O Fallon, MO

Jobs

New!

St. Louis, MO3 days ago

$40–$50 Per Hour

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. Experience with BAS platforms such as Niagara, Schneider (EcoStruxure), Johnson Controls (Metasys), Siemens (Desigo/Apogee), Honeywell, Distech, Delta Controls, Trane, Carrier i-Vu, or similar.

New!

St. Louis, MO3 days ago

$100,000–$140,000 Per Year

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. You’ll be working with customers, field teams, subcontractors, and internal engineering resources to keep projects moving, solve problems in real time, and ensure systems are delivered the right way.

New!

St. Louis, MO3 days ago

$25–$30 Per Hour

The Field Service Technician is a critical member of the Service Operations team, responsible for delivering high-quality installation, maintenance, and repair services for food processing, production, holding, and serving equipment. 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.

New!

St. Louis, MO3 days ago

Whether you’ve got deep experience in commercial real estate, skilled trades or technology, or you’re looking to apply your relevant experience to a new industry, join our team as we help shape a brighter way forward. At JLL, we are collectively shaping a brighter way for our clients, ourselves, and our fellow employees, and your technical skills will be essential to delivering the reliable, high-quality facility operations our clients depend on.

New!

St. Louis, MO3 days ago

Whether you’ve got deep experience in commercial real estate, skilled trades or technology, or you’re looking to apply your relevant experience to a new industry, join our team as we help shape a brighter way forward. Certifications/Licenses: Valid driver's license; EPA 608 certification for refrigerant handling; basic electrical and plumbing licenses as required by local jurisdiction.

New!

St. Louis, MO2 days ago

The Maintenance Techis responsible for ensuring that the maintenance needs of residential homes are monitored and required maintenance, and repairs are provided in a timely fashion. If you’re ready to embark on a rewarding career where every day brings new opportunities to make a difference, apply online at Benchmarkhs.com/Careers and select Missouri.

Chesterfield, MO30+ days ago

$30–$45 Per Hour

Imagine starting your workday without the hassle of reporting to a central location-just grab your gear, hop in your take-home vehicle, and head straight to your job site. We don't just offer jobs; we create career paths by providing mentorship, education assistance, and growth opportunities that allow our employees to build lasting, rewarding futures with us.

Chesterfield, MO30+ days ago

$30–$45 Per Hour

We don't just offer jobs; we create career paths by providing mentorship, education assistance, and growth opportunities that allow our employees to build lasting, rewarding futures with us. As our Residential HVAC Installer, you head straight from home to the job site, fully prepared to tackle the day's installations and service calls.

St. Louis, MO30+ days ago

Full-time

Prepares for on-site installation and repairs by examining building layout, anticipating difficulties, gathering materials and coordinating on-site work, as necessary. We have a strong in-house group of field technicians that services top U.S. corporations and are supported by top notch managers in our offices.

New!

St. Louis, MO6 days ago

$40–$48.23 Per Hour

We are locally owned and operated and dedicated to continuous process improvement, cutting-edge approach, and the newest leading-edge technologies in facilities management, and delivering comprehensive mechanical solutions. Service Area: Metro St. Louis, southern Illinois, central Illinois, and central Missouri since 1948!

St. Louis, MO23 days ago

$37.50–$42.50 Per Hour

In this role, you'll handle the installation of residential and light commercial systems while also leading projects on-site and mentoring junior installers. AL-DON, "Indoor Air Quality Specialists," has delivered expert HVAC services, including repair, installation, and maintenance throughout the St.

St. Louis, MO23 days ago

AL-DON, "Indoor Air Quality Specialists," has delivered expert HVAC services, including repair, installation, and maintenance throughout the St. With decades of stability and a reputation for quality, we offer a place where you can build a long-term career, not just hold a job.

St. Louis, MO19 days ago

$40–$50 Per Hour

That means decisions are made locally, with a focus on quality work, strong customer relationships, and building a team for the long haul, not chasing short-term returns for outside investors. This person will bring strong field knowledge, journeyman-level credentials, and the ability to lead complex installs with minimal oversight.

St. Louis, MO19 days ago

$22–$26 Per Hour

That means decisions are made locally, with a focus on quality work, strong customer relationships, and building a team for the long haul, not chasing short-term returns for outside investors. Elite Heating and Cooling serves homeowners and businesses across the Wentzville area with heating, cooling, indoor air quality, commercial HVAC, and water heater services.

Chesterfield, MO30+ days ago

$48–$50 Per Hour

You close your day knowing you solved real problems for real people-and that tomorrow, there's another opportunity to build your expertise with mentors, continuing education, and growth opportunities backing you up. Later, a troubleshooting ticket calls for your diagnostic instincts; you trace the root cause, explain it clearly, and complete the repair with pride.

Florissant, Missouri30+ days ago

$20–$45 Per Hour

B&B is looking for a self-motivated individual with a positive attitude to join our growing and dedicated HVAC Technician Team. Maintaining accurate documentation on all jobs and communication with clients.

Warrenton, MO30+ days ago

Full-time

As 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.

Saint Louis, MO30+ days ago

Full-time

As 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.

St. Louis, MO10 days ago

$30–$50 Per Hour

Vitt Heating & Cooling is a multi-generational, family-owned and operated business focused on long-term employees and steady residential service work. We take pride in our team filled with authentic, honest, and caring individuals who work with great integrity to service our valued clients.

Chesterfield, MO30+ days ago

We don't just offer jobs; we create career paths by providing mentorship, education assistance, and growth opportunities that allow our employees to build lasting, rewarding futures with us. You'll primarily focus on essential HVAC preventative maintenance, meticulously changing filters to improve air quality and expertly cleaning coils to optimize system performance.

St. Louis, Missouri30+ days ago

$25–$45 Per Hour

Responsibilities: The HVAC/R Technician role is primarily responsible for performing repairs and maintenance to a variety of HVAC and Refrigeration equipment including air conditioning, electric motors, heating units, heat pumps, hermetic compressors, commercial furnaces, boilers, burners, intake and exhaust fans, economizers and humidifiers, RTUs, remote condensing units, ice machines, walk-in coolers & freezers, and upright refrigerators & freezers. Sr, senior, Service Tech, refridgeration, HVAC, refrigeration, HVAC-R, HVAC/R, diagnostic, commercial, service, install, mechanical, mechanic, apprentice, AC, field service, chiller, specialist, HVACR, supermarket, rack systems.

St. Louis, MO30+ days ago

$30–$40 Per Hour

Pearce provides technical maintenance, repair, operations, and engineering services for uninterruptible power supply (UPS) systems, backup power generators, battery energy storage systems (BESS), critical cooling systems, and other electrical and mechanical infrastructure across end markets such as renewable energy, telecom, and data centers. Founded in 1998, Pearce has more than 4,000 employees and 28 locations across the U.S. Pearce is a wholly owned subsidiary of CBRE Group, Inc., the world's largest commercial real estate services and investment firm.

St. Louis, Missouri8 days ago

The Engineer IV performs a variety of advanced journey level, lead and/or specialized trade tasks which could include upholstery, electrical, plumbing, HVAC, carpentry kitchen equipment and general maintenance; may act as a lead worker for assigned shift and ensure assignments are distributed and completed; performs duties with minimum or no supervision; provides advanced support duties to higher level management staff; and performs related tasks within area of assignment. We’ve grown to become the leading provider of integrated entertainment, sports content, and casino gaming experiences thanks to our 43 destinations across North America, online sports betting and iCasino via theScore Bet Sportsbook and Casino®.

Brentwood, MO30+ days ago

$73,000–$115,000

Louis, MO, you will successfully install air conditioners, furnaces, heat pumps, ductless systems, ductwork, boilers, and accessories (air filter, thermostats etc.) for commercial and residential customers. To adequately perform the duties of this job, the employee is regularly and routinely required to sit, stand, walk, kneel, squat, stoop hands to finger, handle controls; hear, and talk.

St. Louis, MO30+ days ago

$52,000–$125,000

Louis, MO, you will successfully install air conditioners, furnaces, heat pumps, ductless systems, ductwork, boilers, and accessories (air filter, thermostats etc.) for residential customers. Cuts, threads, and bends pipe; assembles and installs a variety of metal and nonmetal pipes, tubes, and fittings, including iron, steel, copper, and plastic.

St. Louis, MO10 days ago

$30–$60 Per Hour

Fenton, MO23 days ago

Ability to safely work with moving mechanical parts, pressurized equipment, open flames, heated or cold surfaces, liquids, and risk of electrical shock in damp, humid, or freezing conditions. Your expertise will ensure optimal performance of HVAC equipment across various across various customer properties and provide reliable climate control solutions that keep environment comfortable and safe.

St. Louis, MO21 days ago

$34–$43 Per Hour

AL-DON, "Indoor Air Quality Specialists," has been providing expert HVAC services, including repair, installation, and maintenance in the St. In this role, you'll diagnose, repair, and maintain residential and light commercial HVAC systems while delivering excellent customer service.

New!

St. Ann, MO4 days ago

$18.99–$27.30 Per Hour

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. Our employees are our greatest asset, and although we present a comprehensive equipment offering, our expertise and service are what truly distinguish us from the competition.

Granite City, IL30+ days ago

$20.41–$30.61 Per Hour

Must have comprehensive Mechanical knowledge of heating ventilation, air conditioning and refrigeration trade with specific knowledge and experience in reading ladder diagrams, installation, repair, and replacement of HVAC system components such as evaporators, condensers, compressors, steam production systems, pumps, chemical treatment systems, and cooling towers. M -Mechanic must have comprehensive knowledge of heating ventilation, air conditioning and refrigeration trade with specific knowledge and experience in reading ladder diagrams, installation, repair, and replacement of HVAC system components such as evaporators, condensers, compressors, steam production systems, pumps, chemical treatment systems, and cooling towers.

Granite City, IL30+ days ago

$20.41–$30.61 Per Hour

St. Louis, MO21 days ago

$19–$24 Per Hour

Perform maintenance of electrical systems (replace light bulbs and sockets, clean and repair circuit breaker panels, etc.). The Maintenance Technician is responsible for responding to maintenance requests as instructed by the Maintenance Coordinator and property staff.

New!

St. Louis, MO1 day ago

As an HVAC Service Technician, you will play a critical role in maintaining our reputation for high-quality service and unparalleled customer satisfaction. Provide exceptional customer service, addressing client inquiries and ensuring their satisfaction with the services provided.

New!

Fenton, MO2 days ago

$27.69–$51.49 Per Hour

Additional Requirements and Environmental Exposure: Must be able to safely and legally operate a vehicle using a seat belt Must be able to wear helmets, safety goggles, fall protection harness and safety boots to safely perform job duties Must be able to twist the trunk of your body 90 degrees in each direction Must be able to squat and touch the floor with both hands Must be able to reach your hands over your head Must be able to stand on concrete surfaces for extended periods, routinely up to 4 hours This position is highly physical and requires regular use of hands, fingers, walking, stooping, kneeling and climbing ladders. or less Must be able to maneuver confined access areas, as small as 30” vertical x 45” horizontal Must be able to comfortably and routinely access rooftops with extension and/or fixed ladders at heights of 15’ to 20’, and occasionally, up to 50 feet This role may be exposed to variable weather conditions, moving mechanical parts, heights, risk of electrical shock, noisy operating equipment and other variable environmental conditions based on location Annual Base Salary Range or Hourly Base Pay Range: $27.69 - $51.49 Compensation Type: Hourly Incentive Eligible: No Sales Commission Eligible: No Disclaimer : We strive to provide competitive compensation for this position, tailored to a variety of factors.

Saint Louis, MO30 days ago

They are seeking a full-time Commercial HVAC Service Technician to support installation and service operations across light commercial and commercial environments. This is a hands-on, field-based role working on a variety of systems for facilities such as schools, churches, and industrial/commercial buildings.

New!

Fenton, MOToday

$23.80–$43.85 Per Hour

Must possess a valid driver’s license for a minimum of 12 months, with no major or frequent traffic violations including, but not limited to: DUI, Hit & Run, License Suspension, Reckless / Careless Driving or multiple smaller infractions or preventable collisions in the previous 3 years. What's in it for you: This role is the primary service and maintenance contact for Trane Technologies customers in a defined market with a diverse commercial base including Healthcare, Process Manufacturing Facilities, Education Institutions, and Office Complexes.

St. Peters, MO30+ days ago

$25–$40 Per Hour

Louis Post-Dispatch Top Workplace, is hiring experienced HVAC Installers to join our high-performing, customer-focused team. We proudly serve residential, commercial, and government clients—and we advocate for autism and special needs awareness with every home we serve.

Hazelwood, Missouri30+ days ago

$20–$45 Per Hour

Academy Air is looking for a self-motivated individual with a positive attitude to join our growing and dedicated HVAC Technician Team. Run service calls- repair and/or replace parts on equipment as necessary.

New!

Fenton, MOToday

$23.80–$43.85 Per Hour

EPA Certification Additional Requirements and Environmental Exposure: Must be able to safely and legally operate a vehicle using a seat belt Must be able to wear helmets, safety goggles, fall protection harness and safety boots to safely perform job duties Must be able to twist the trunk of your body 90 degrees in each direction Must be able to squat and touch the floor with both hands Must be able to reach your hands over your head Must be able to stand on concrete surfaces for extended periods, routinely up to 4 hours This position is highly physical and requires regular use of hands, fingers, walking, stooping, kneeling and climbing ladders. or less Must be able to maneuver confined access areas, as small as 30” vertical x 45” horizontal Must be able to comfortably and routinely access rooftops with extension and/or fixed ladders at heights of 15’ to 20’, and occasionally, up to 50 feet This role may be exposed to variable weather conditions, moving mechanical parts, heights, risk of electrical shock, noisy operating equipment and other variable environmental conditions based on location Annual Base Salary Range or Hourly Base Pay Range: $23.80 - $43.85 Compensation Type: Hourly Incentive Eligible: No Sales Commission Eligible: No Disclaimer : We strive to provide competitive compensation for this position, tailored to a variety of factors.

St. Louis, Missouri30+ days ago

$25–$45 Per Hour

St Louis, MO30+ days ago

The ideal candidate will possess an excellent work ethic, have great communication skills, always professional, kind and passionate about their work; allowing them to provide outstanding customer service to our clients, who always come first. Unique Heating and Cooling has been an industry leader in the installation and service of heating, air conditioning, humidifying and air filtration systems.

Maryland Heights, Missouri30+ days ago

$33,000–$41,000 Per Year

Who We Are: Lennox National Account Services (NAS), wholly owned by Lennox International, a 120+ year old company and a world leader in the Heating, Ventilation and Air Conditioning (HVAC) industry. This technician performs field activities associated with supporting the installation, maintenance, and servicing of heating, ventilating and air conditioning systems for commercial customers.

St. Peters, MO30+ days ago

$25–$40 Per Hour

Budget Heating, Cooling & Plumbing serves residential, commercial, and government clients and proudly supports autism and special needs awareness with every service we provide. Louis Post-Dispatch Top Workplace, is seeking experienced HVAC Service Technicians to join our high-performing team.

St. Louis, MO19 days ago

$30–$40 Per Hour

Elite Heating and Cooling is a Wentzville-based HVAC company serving the surrounding area with air conditioning, heating, indoor air quality, water heater, and commercial HVAC services. That means decisions are made locally, with a focus on quality work, strong customer relationships, and building a team for the long haul, not chasing short-term returns for outside investors.

Berkeley, MO30+ days ago

Whether you’ve got deep experience in commercial real estate, skilled trades or technology, or you’re looking to apply your relevant experience to a new industry, join our team as we help shape a brighter way forward. Working directly with JLL's experienced HVAC technicians, you'll learn essential technical skills through practical application while supporting our facilities management teams.

Saint Louis, MO30+ days ago

Full-time

Maintain and repair Walmart facilities, equipment, and assets by utilizing multiple craft skills (for example, plumbing, electrical, carpentry, material handling equipment, and food equipment) and using hand tools, power tools, and other equipment to complete jobs . By making Walmart a welcoming place where all people feel like they belong, we're able to engage associates, strengthen our business, improve our ability to serve customers, and support the communities where we operate.

New!

St. Louis, Missouri6 days ago

$25–$25 Per Hour

Company Vehicle: Hit the road in a fully equipped van, gas card includedStart Your Day from Home: Dispatched directly from home for daily convenienceGet Paid for All Your Time: Paid port-to-port travel means no unpaid downtimeTool Allowance: Keep your gear sharp - we've got you coveredProfessional Growth: Paid training, certification support, and education reimbursementOutstanding Benefits: With more than 2,000 team members and growing, we are the largest HVAC/R service provider in the United States and we continue to push the industry forward.

ST LOUIS EAST, Missouri30+ days ago

$39,000–$77,000 Per Year

What Drives Success: This technician performs field activities associated with supporting the installation, maintenance and servicing of heating, ventilating and air conditioning systems for commercial customers. Who We Are: Lennox National Account Services (NAS), wholly owned by Lennox International, a 120+ year old company and a world leader in the Heating, Ventilation and Air Conditioning (HVAC) industry.

St. Louis, Missouri30+ days ago

$70–$160 Per Hour

Lula is a service designed for property managers to eliminate the hassle of managing and coordinating maintenance, improve the resident experience, and reduce maintenance costs for property owners. Whether you are a mom-and-pop small business or an international corporation, there are many reasons why joining the Lula Network is a good idea for your company.

Saint Louis, MO30+ days ago

Company Vehicle: Hit the road in a fully equipped van, gas card includedStart Your Day from Home: Dispatched directly from home for daily convenienceGet Paid for All Your Time: Paid port-to-port travel means no unpaid downtimeTool Allowance: Keep your gear sharp — we’ve got you coveredProfessional Growth: Paid training, certification support, and education reimbursementOutstanding Benefits: With more than 2,000 team members and growing, we are the largest HVAC/R service provider in the United States and we continue to push the industry forward.

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HVAC Jobs in O Fallon, MO

Jobs

Sr. HVAC Controls TechnicianJobot

Sr. Project Manager - HVAC ControlsJobot

Field Service TechnicianJobot

Building Engineer*US AMR-Jones Lang LaSalle Americas, Inc.

Building Maintenance*US AMR-Jones Lang LaSalle Americas, Inc.

Maintenance TechnicianBenchmark Human Services

Commercial HVAC Service TechQuesTec - St. Louis

Residential HVAC InstallerQuesTec - St. Louis

HVAC Service TechnicianLane Valente Industries

Journeyman HVAC InstallerDoll Services

Senior HVAC InstallerAl-Don Indoor Air Quality Specialists

Residential HVAC InstallerAl-Don Indoor Air Quality Specialists

Journeyman HVAC InstallerElite Mechanical LLC

HVAC InstallerElite Mechanical LLC

HVAC and Refrigeration Service TechQuesTec - St. Louis

HVAC Service TechnicianB&B Heating and Cooling

Supermarket Rack Refrigeration Hvac TechnicianWalmart

Senior Supermarket Rack Refrigeration Hvac TechnicianWalmart

Experienced HVAC InstallerVitt Heating & Air Conditioning

Level 1 HVAC TechnicianQuesTec - St. Louis

HVAC Service Tech 3 - RefrigerationCoolSys

HVAC TechnicianPearce Services

HVAC TechnicianRiver City Casino & Hotel

Commercial HVAC InstallerHoffmann Brothers

HVAC InstallerHoffmann Brothers

Experienced HVAC TechnicianVitt Heating & Air Conditioning

HVAC TechnicianVogel Heating and Cooling

HVAC Service TechnicianAl-Don Indoor Air Quality Specialists

HVAC Technician 1Sunbelt Rentals

Facility Maintenance Tech III- HVAC Tech- DaysGateway Regional Medical Center

Facility Maintenance Tech III- HVAC Tech -NightsGateway Regional Medical Center

Maintenance Technician – HVAC – Sign on Bonus $1,000 ($500 upon hire $500 at 90 days)Vatterott Properties

HVAC TechnicianExpress Employment Professionals

Sr. HVAC Service Field Technician - Fenton, MOTrane Technologies

Commercial HVAC Service Technician - Mechanical Services - Base Salary to 45.00/hour - Saint Louis, MOAllSearch Professional Staffing

HVAC TechnicianTrane Technologies

HVAC InstallerBudget Air Conditioning Heating and Plumbing LLC

HVAC Service TechnicianAcademy Air

HVAC Service Technician - Fenton, MOTrane Technologies

HVAC/R Service Tech 3 - Light CommercialCoolSys

Experienced HVAC Technicians - Company Paid InsuranceUnique Heating & Cooling, Inc.

HVAC Service ApprenticeLennox International

HVAC Service TechnicianBudget Air Conditioning Heating and Plumbing LLC

Residential HVAC Service TechnicianElite Mechanical LLC

HVAC InternshipJones Lang LaSalle Incorporated

Developmental Technicians (r / Hvac)Walmart

HVAC Refrigeration Service TechnicianNextech

HVAC Service TechnicianLennox International

HVAC Pro Needed (St. Louis)Lula

HVAC Refrigeration Service TechnicianCMS Nexttech

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