Top 123 Hvac & refrigeration technicians Jobs in O'fallon, Mo

HVAC Chiller Journeyman Technician - Union
Carrier —Maryland Heights, MO
- $38 - $76 an hour
- Full-time
- 5 years
- High school diploma or GED
- Ability to lift 50 pounds
- Fuel card
- Health insurance
Experienced Commercial HVAC Service Technician
Lennox National Account Services —Chesterfield, MO
- $30 - $38 an hour
- Overtime
- Background check
- Clean driving record
- Customer service
- Health savings account
- Paid holidays
Quick Apply
8d
Commercial HVAC/R Service Technician
Helios HVACR Services —Jennings, MO
- Up to $45 an hour
- Weekends as needed
- Background check
- Computer literacy
- Mid-level
- Fuel card
- Paid holidays
Quick Apply
Commercial HVAC/R Service Technician
Helios HVACR Services —Kirkwood, MO
- Up to $45 an hour
- Weekends as needed
- Background check
- Computer literacy
- Mid-level
- Fuel card
- Paid holidays
Quick Apply
Commercial HVAC/R Service Technician
Helios HVACR Services —Florissant, MO
- Up to $45 an hour
- Weekends as needed
- Background check
- Computer literacy
- Mid-level
- Fuel card
- Paid holidays
Quick Apply
Experienced HVAC Technician
INDOOR COMFORT TEAM —St. Louis, MO
- $40 - $70 an hour
- Email
- HVAC
- In-person
- Senior level
- Health insurance
- Paid time off
Quick Apply
HVAC Installer
Style Crest Enterprises Inc —Fenton, MO
- Monday to Friday
- Customer service
- Mid-level
- AD&D insurance
- Paid holidays
Quick Apply
HVAC Installer/Technician
Aire Serv of St Louis —Fenton, MO
- $25 - $60 an hour
- 8 hour shift
- Clean driving record
- Mid-level
- Residential
- Fuel card
- Paid holidays
Quick Apply
Experienced Residential HVAC Specialist
Arco Heating and Cooling —Saint Charles, MO
- $32 - $48 an hour
- Full-time
- Background check
- Clean driving record
- 5 years
- Paid holidays
- Health insurance
Quick Apply
Experienced Master Level HVAC Service Technician
INDOOR COMFORT TEAM —St. Louis, MO
- $40 - $70 an hour
- Email
- HVAC
- In-person
- Senior level
- Health insurance
- Paid time off
Quick Apply
Experienced HVAC Installer
INDOOR COMFORT TEAM —St. Louis, MO
- $40 - $70 an hour
- Email
- HVAC
- In-person
- Senior level
- Health insurance
- Paid time off
Quick Apply
Sr. HVAC Service Field Technician - Fenton, MO
Trane Technologies —Fenton, MO
- $27.69 - $51.49 an hour
- Overtime
- Clean driving record
- Pass drug screening
- Office
HVAC Refrigeration Service Technician
Nextech —Fenton, MO
- $25 - $45 an hour
- Full-time
- Entry level
HVAC Refrigeration Service Technician
Nextech —Town and Country, MO
- $25 - $45 an hour
- Full-time
- Entry level
Refrigeration Service Technician
TRUE MANUFACTURING GROUP —O'Fallon, MO
- $75,000 - $90,000 a year
- Full-time
- Background check
- 5 years
- Writing skills
- Health savings account
- Health insurance
8d
HVAC Service Technician (Sign-On up to $5k)
B&B Heating and Cooling —Saint Charles County, MO
- $20 - $45 an hour
- Full-time
- Sales
- Customer service
- Mid-level
- Paid holidays
- Health insurance
Quick Apply
Maintenance Technician - HVAC
Rockwood School District —Wildwood, MO
- $22.71 an hour
- Weekends as needed
- Background check
- Maintenance
- High school diploma or GED
- Health savings account
- Health insurance
Quick Apply
HVAC Service Technician
Budget Air Conditioning Heating and Plumbing LLC —Saint Peters, MO
- $25 - $40 an hour
- Full-time
- Background check
- Clean driving record
- Pass drug screening
- Fuel card
- Paid holidays
Quick Apply
Commercial HVAC Service Technician
Hoffmann Brothers —St. Louis, MO
- $79,000 - $125,000 a year
- Full-time
- 5 years
- Mid-level
- Residential
- Paid training
- Health insurance
Quick Apply
HVAC Installer
Budget Air Conditioning Heating and Plumbing LLC —Saint Peters, MO
- $25 - $40 an hour
- Full-time
- Background check
- Clean driving record
- Customer service
- Paid training
- Fuel card
Quick Apply

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hvac & refrigeration technicians jobs near o'fallon, mo

HVAC Chiller Journeyman Technician - Union

Carrier -
Maryland Heights, MO

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Job Details

Full-time
$38 - $76 an hour

Benefits

Fuel card
Health insurance
401(k)
Tuition reimbursement
Union benefits
Safety equipment provided
Tools provided

Qualifications

Customer communication
EPA Refrigeration Certification
Chilled water HVAC systems
Company vehicle operation
High school diploma or GED
Driver's License
EPA 608 Technician Certification

Full Job Description

About Carrier

Carrier Global Corporation, global leader in intelligent climate and energy solutions, is committed to creating solutions that matter for people and our planet for generations to come. From the beginning, we've led in inventing new technologies and entirely new industries. Today, we continue to lead because we have a world-class, diverse workforce that puts the customer at the center of everything we do. For more information, visit corporate.carrier.com or follow Carrier on social media at @Carrier.

About this role

As an HVAC Chiller Technician -with Carrier, you will play a vital role in supporting mission-critical cooling infrastructure. This position requires focus on startup, commissioning, warranty, and service work for complex chiller systems. You’ll be the trusted face of Carrier, applying your technical expertise to installations, repairs, and maintenance while ensuring customers experience confidence and reliability. This is an excellent opportunity for a skilled technician who wants to deepen their knowledge in large commercial and HVAC systems and take their trade to the next level.

We're seeking a reliable and skilled HVAC Chiller Technician - to deliver efficient and dependable cooling solutions in this rapidly evolving sector. Whether you’re an experienced HVAC technician or a journeyman looking to expand your expertise, this position offers a unique opportunity to be part of an industry shift and a pathway for professional development.

What you’ll do

Perform startup, commissioning, warranty, and service work on chillers. Applying expertise to support a state-of-the-art facility.

Perform diagnostic tests, troubleshoot mechanical and electrical malfunctions, and execute regularly scheduled maintenance on heating and cooling units.

Review and interpret regulatory requirements and technical documents, including blueprints and diagrams.

Cultivate strong customer relationships and ensure timely escalation of issues for resolution when necessary.

Prioritize safety by adhering to licensing requirements, operating equipment safely, recognizing HVAC-related hazards, completing safety training, and implementing effective safety measures.

Required Qualifications

High School Diploma or GED.

EPA Refrigerant Certification.

5+ years Commercial HVAC industry experience.

3+ years' experience with Chillers (air cooled/centrifugal)

Ability to push/pull/lift up to 50lbs, climb a ladder and work on rooftops

Ability to stand, crawl, sit, squat of extended period of times

Possess and maintain valid and current Driver’s License and be insurable by the company’s insurance carrier

Valued, but not required

OSHA 10 or 30 Certification

Basic understanding of building automation controls

Excellent communication skills both written and verbal

Knowledge of ServiceMax

What You’ll Gain

Opportunity for 401k

Paid travel time after the first hour and on-call schedule for better work-life balance (rotations every 7-8 weeks in most locations)

Company provided vehicle with gas cards

All necessary tools provided

Key Safety and PPE Benefits include:

Comprehensive Protection: Steel-toed boots, Carrier-branded uniforms with FR protection, HVAC gloves, hard hats, and face shields

Enhanced Eye Safety: Standard safety goggles provided, with an option for prescription eyewear if needed

Advanced Safety Support: Fall protection provided where required, plus respirators and earplugs as needed

You will have autonomy to execute, backed by the camaraderie, continuous support, and resources of a dedicated team within a large, world-renowned company

Benefits

Benefits are provided under applicable union agreements and generally include medical insurance, retirement, tuition reimbursement, vacation, holidays, and other time off. Benefits and eligibility vary by agreement.

Pay Range

The hourly rate for this position is between $38.00 - $76.00 per hour. Factors which may affect pay within this range include, but are not limited to, skills, education, experience, and other unique qualifications of the successful candidate.

Carrier is An Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age or any other federally protected class.

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Refine Your Search

hvac & refrigeration technicians jobs in o'fallon, mo

HVAC Chiller Journeyman Technician - Union

Experienced Commercial HVAC Service Technician

Commercial HVAC/R Service Technician

Commercial HVAC/R Service Technician

Commercial HVAC/R Service Technician

Experienced HVAC Technician

HVAC Installer

HVAC Installer/Technician

Experienced Residential HVAC Specialist

Experienced Master Level HVAC Service Technician

Experienced HVAC Installer

Sr. HVAC Service Field Technician - Fenton, MO

HVAC Refrigeration Service Technician

HVAC Refrigeration Service Technician

Refrigeration Service Technician

HVAC Service Technician (Sign-On up to $5k)

Maintenance Technician - HVAC

HVAC Service Technician

Commercial HVAC Service Technician

HVAC Installer

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