HVAC Service Technician – Residential | $80K–$250K+ Earning Potential

On Time Experts | Formerly Hosack Plumbing, Heating & Cooling

Location: Greater St. Louis, MO
Office: 635 Trade Center Blvd, Chesterfield, MO 63005
Compensation: $80,000–$250,000+ annually, based on performance
Employment Type: Full-Time | Year-Round | Stay BUSY all year long!!!!!!! 

3+ Years of Residential HVAC Service Experience Required

A New Name. The Same Local Roots. An Exciting Future!

Hosack Plumbing, Heating & Cooling is entering an exciting new chapter as On Time Experts, formerly Hosack Plumbing, Heating & Cooling!

We're growing, investing in our technicians, and looking for experienced Residential HVAC Service Technicians who want more than just another HVAC job.

Are you an experienced HVAC technician who knows how to diagnose problems, build trust with homeowners, confidently present solutions, and deliver an exceptional customer experience?

If so, we want to talk to you!

We're looking for motivated, technically skilled professionals who take pride in their work, enjoy helping homeowners, and want the opportunity to earn at a high level.

This is an opportunity to build a long-term career with strong earning potential, year-round work, ongoing training, and a team committed to your success.

Why Technicians Choose On Time Experts

High Earning Potential. Year-Round Work. The Tools to Succeed.

We believe great technicians deserve the opportunity to earn great money while having the support they need to deliver exceptional service.

Compensation & Benefits

• $80,000–$250,000+ annual earning potential, based on individual performance.

• Full-time, year-round work.

• Health insurance, including a 100% company-paid option.

• Dental and vision insurance.

• 401(k) with company match.

• Paid Time Off (PTO).

• 6 paid holidays plus 1 floating birthday holiday.

• Company-provided service vehicle and gas card.

• Company-paid cell phone and tablet.

• Life insurance.

• Ongoing technical training and professional development.

• Leadership support and career advancement opportunities.

• A team environment focused on accountability, professionalism, and results.

What You'll Do

Diagnose, Repair & Deliver Quality Service

• Diagnose, troubleshoot, maintain, and repair residential heating and air conditioning systems.

• Perform HVAC service calls, preventative maintenance, and system repairs.

• Identify mechanical, electrical, airflow, and system performance issues.

• Troubleshoot furnaces, air conditioners, heat pumps, and other residential HVAC equipment.

• Perform system enhancements and recommend improvements to comfort, efficiency, and reliability.

• Maintain high standards for workmanship, safety, and professionalism.

• Complete accurate service documentation and maintain company tools, equipment, and vehicles.

Educate Homeowners & Present Solutions

We're looking for technicians who do more than fix equipment. We want professionals who can confidently explain what's happening, educate homeowners, and help them make informed decisions.

• Clearly explain system findings and recommended repairs to homeowners.

• Present appropriate repair, maintenance, and replacement options based on customer needs.

• Identify opportunities for indoor air quality improvements, system upgrades, and preventative maintenance.

• Communicate pricing, service options, and the value of recommended solutions.

• Build trust through honest recommendations and a customer-first approach.

• Confidently ask for the opportunity to complete recommended work.

• Follow through on customer concerns and ensure a positive service experience.

Take Ownership of Your Performance

• Manage service calls efficiently while maintaining quality workmanship.

• Maintain strong customer satisfaction and service performance standards.

• Identify legitimate service opportunities and communicate recommendations clearly.

• Work closely with Dispatchers, Service Managers, and Install teams.

• Maintain accurate customer records, service notes, and recommendations in company systems.

• Participate in ongoing technical and customer-service training.

• Support warranty and emergency service calls as needed.

What We're Looking For

We're looking for experienced residential HVAC Service Technicians who are technically strong, customer-focused, and motivated to succeed.

Required Qualifications

• 3+ years of hands-on residential HVAC service experience.

• Strong diagnostic and troubleshooting skills with residential heating and cooling systems.

• Experience performing HVAC maintenance, repairs, and service calls independently.

• Ability to confidently communicate repair and replacement recommendations to homeowners.

• Strong customer-service and communication skills.

• Ability to explain technical issues in a way homeowners can understand.

• EPA certification.

• Valid driver's license with an acceptable driving record.

• Basic HVAC hand tools.

• Ability to work independently and manage service calls efficiently.

• Willingness to participate in rotating on-call and weekend schedules.

• Ability to successfully complete required pre-employment background and drug screening, consistent with applicable law.

Preferred Qualifications

• Service Titan experience.

• NATE certification.

• Heat pump and inverter-system experience.

• Experience with indoor air quality products and system enhancements.

• Strong history of customer satisfaction and service performance.

• Experience presenting repair versus replacement options.

• Experience working in a performance-driven residential service environment.

The Type of Technician Who Thrives Here

You'll be a great fit if you:

• Take pride in being a skilled HVAC professional.

• Enjoy diagnosing challenging problems and finding solutions.

• Understand the importance of building trust with homeowners.

• Are comfortable presenting options and asking for the business.

• Want to be rewarded for strong performance.

• Value honesty, professionalism, and quality workmanship.

• Are dependable, motivated, and take ownership of your work.

• Want to continue learning and advancing your career.

• Enjoy working with a team that values results and supports one another.

We want technicians who know how to take care of the customer, do the job right, and recognize opportunities to provide additional value.

Schedule & Work Environment

• Full-time, year-round employment.

• Monday–Friday schedule.

• Rotating weekends and on-call responsibilities.

• Residential service calls throughout the Greater St. Louis / O'Fallon area.

• Company-provided service vehicle for work-related travel.

We stay busy year-round and are looking for technicians who want consistent opportunities to work and grow.

Why Join On Time Experts?

A New Name. A Strong Foundation. A Bigger Opportunity.

As we transition from Hosack Plumbing, Heating & Cooling to On Time Experts, we're focused on building a high-performing team and continuing to deliver exceptional service to homeowners throughout the Greater St. Louis area.

We're committed to providing our technicians with the training, tools, support, and opportunities they need to build successful careers.

We believe in recognizing strong performance, investing in our people, and creating opportunities for professional and financial growth.

Whether your goal is to become a top-producing Service Technician, strengthen your technical expertise, or eventually move into leadership, we want to help you build a career you're proud of.

Ready to Take Your HVAC Career to the Next Level?

If you're an experienced residential HVAC Service Technician who knows how to diagnose, communicate, educate, and deliver results, we want to meet you!

Join a team where your skills matter, your performance creates opportunity, and your career can continue to grow.

Apply today to join On Time Experts — formerly Hosack Plumbing, Heating & Cooling!

Office Location: 635 Trade Center Blvd, Chesterfield, MO 63005

Additional Employment Information

Applicants must be authorized to work for any employer in the United States. We are unable to sponsor or take over sponsorship of an employment visa at this time.

On Time Experts is an Equal Opportunity Employer. Employment decisions are based on qualifications, merit, and business needs without regard to any status protected by applicable federal, state, or local law.

#MOTRADES