COMMERCIAL SERVICE TECHNICIAN (REF/ALS/HVAC)

Hts-Engineering---Heat-Transfer-Solutions; Houston (TX); On-site; USD 42,000 - 72,000; Full time

Job summary

HTS Engineering Ltd. in Houston, TX is seeking a Commercial Service Technician (REF/ALS/HVAC) to diagnose, repair, and maintain a range of commercial HVAC systems on site. The role requires strong problem-solving skills and a collaborative team mindset.

Qualified applicants will have 3–5+ years of service experience, knowledge of chilled water systems and refrigeration, and an EPA Universal Certification. A valid driver's license is required, and experience with ice machines is preferred.

Qualifications

• 3–5+ years of commercial HVAC service experience.
• Knowledge of commercial HVAC equipment, chilled water systems and refrigeration.
• EPA Universal Certification required.
• Valid driver's license with insurable driving record.
• Ice machines and advanced refrigeration systems experience preferred.

Responsibilities

• Diagnose and repair commercial HVAC systems
• Perform preventative maintenance and equipment service
• Troubleshoot refrigeration and mechanical issues
• Maintain accurate service records using company-provided technology
• Communicate professionally with customers and team members
• Deliver reliable, high-quality workmanship on every service call

Skills

HVAC experience

Refrigeration knowledge

Ice machines experience

Education

EPA Universal Certification

Job description

COMMERCIAL SERVICE TECHNICIAN (REF/ALS/HVAC)

Houston, TX, USA

Job Description

Posted Friday, July 31, 2026 at 5:00 AM

HTS Engineering Ltd. is the largest independent commercial HVAC manufacturers’ rep in North America, with 20 locations in the US and Canada. HTS has a vibrant look and brand promise -- one that reflects our company-wide commitment to ensure theindividualsuccess of all those involved in a project’s HVAC system selection, design, purchase, installation and maintenance including our employees, suppliers, customers and end users.

We are looking for a skilled Commercial HVAC Service Technician who can diagnose, repair, and maintain a variety of commercial HVAC systems. This role is ideal for a technician who enjoys solving complex service issues and working with a knowledgeable team that prioritizes quality workmanship.

You will service a variety of commercial equipment, including:

• Chilled water systems
• Ice machines
• Other commercial HVAC equipment

Responsibilities

• Diagnose and repair commercial HVAC systems
• Perform preventative maintenance and equipment service
• Troubleshoot refrigeration and mechanical issues
• Maintain accurate service records using company-provided technology
• Communicate professionally with customers and team members
• Deliver reliable, high-quality workmanship on every service call

Qualifications

• 3-5+ years of commercial HVAC service experience
• Strong knowledge of commercial HVAC equipment, chilled water systems, and refrigeration
• EPA Universal Certification required
• Valid driver's license with an insurable driving record
• Experience with ice machines and advanced refrigeration systems preferred

HTS provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by laws.