Duct Cleaning - Maintenance Tech

Join to apply for the Duct Cleaning - Maintenance Tech role at Comfort Systems of Montana

The Duct Cleaning & Maintenance Technician is responsible for cleaning, inspecting, and maintaining ductwork and air distribution systems in residential and light commercial buildings. This role keeps our customers’ homes and businesses safe, comfortable, and efficient by improving air quality, reducing dust, and supporting the performance of HVAC systems.

• Perform full system duct cleaning for residential and light commercial HVAC systems.
• Set up and operate rotary brush systems, air whips, and vacuum equipment.
• Inspect supply and return ducts for debris, microbial growth, damaged sections, disconnected runs, and poor sealing.
• Clean registers, grilles, diffusers, and accessible components of the air distribution system.
• Replace or recommend upgrades to air filters and filter racks.
• Perform basic HVAC maintenance tasks as assigned, such as coil cleaning, drain line clearing, and simple component inspections.
• Follow safety procedures for ladders, confined spaces, electrical panels, and equipment use.
• Protect customer property with drop cloths and proper containment.
• Maintain a clean, organized work area during and after each job.
• Use proper PPE and minimize dust and contaminants released into occupied spaces.
• Greet customers professionally and explain the scope of work before starting the job.
• Walk customers through before and after findings using photos and simple language.
• Communicate any concerns, additional recommended work, or system issues to the customer and the office.
• Complete digital job notes, checklists, and photos in the Service Titan software.
• Track materials, filters, and equipment used and report any shortages or needed repairs.
• Coordinate with dispatch and service managers on scheduling, access needs, and follow up visits.
• Assist installers and service technicians as needed on light maintenance or retrofit work.

• Valid driver’s license with an acceptable driving record.
• Experience in construction, HVAC, janitorial, restoration, or similar hands‑on work.
• Ability to use basic hand tools, shop vacuums, and powered cleaning equipment safely.
• Strong attention to detail and pride in leaving a job cleaner than you found it.
• Comfortable working in attics, crawlspaces, and on ladders.
• Professional communication skills with customers, coworkers, and management.
• Prior duct cleaning, HVAC, or IAQ experience is preferred.
• Familiarity with negative air systems, duct cameras, or NADCA style processes is preferred.
• Basic understanding of how residential forced air systems work is preferred.

• Lift, carry, and maneuver equipment up to approximately 75 lbs.
• Work in hot or cold environments including attics, crawlspaces, and mechanical rooms.
• Sit, stand, bend, kneel, and climb ladders for extended periods.
• Drive company vehicles to and from job sites in varying weather conditions.

• Full‑time position with typical hours Monday through Thursday, with occasional evenings based on workload and customer needs.
• Field‑based role working in occupied homes and businesses throughout the Gallatin Valley and surrounding areas.

• Clear processes, support from experienced service and project management teams, and opportunities to grow into advanced HVAC service or installation roles.
• A company culture that values safety, craftsmanship, and doing right by the customer.

Comfort Systems of Montana is the region’s leading new‑construction HVAC partner, delivering turnkey heating and cooling solutions for both residential and commercial projects. From custom homes in the valley to large‑scale commercial builds, our team handles design, installation, and commissioning with unmatched precision and reliability. We leverage the latest Carrier technology and best‑in‑class controls to ensure every system is optimized for efficiency, comfort, and long‑term performance.

What sets us apart is our people. Many of our technicians and project managers have been with us for 17 years, bringing deep expertise and a commitment to excellence that you simply won’t find elsewhere. As a locally owned and veteran‑founded company, we’re rooted in Montana values of hard work, integrity, and community. Our clients trust us to deliver on time and on budget—because here, your reputation is our reputation.

Let’s build something great together.