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Expert HVAC Testing & Balancing Services
Complete Mechanical Balancing has dedicated over 25 years to delivering precision in mechanical balancing solutions. Our team collaborates closely with contractors and engineers to address complex challenges in HVAC systems, ensuring optimal performance from the outset. We specialize exclusively in testing, adjusting, and balancing, maintaining an unwavering commitment to quality and accuracy. Our expertise spans critical applications like lab hoods, clean rooms, and operating rooms, where reliability is paramount. With a legacy of resolving issues proactively, we empower clients to avoid costly delays and system inefficiencies.

Our certified professionals bring decades of combined experience, adhering to the highest industry standards. We prioritize transparency, technical excellence, and long-term partnerships, ensuring every project meets exacting specifications. Our reputation for dependability has made us a trusted partner for major institutions and engineering teams across Colorado. By focusing solely on our core competencies, we deliver unmatched results that stand the test of time. This dedication to mastery defines our approach to every client relationship.
Services
HVAC System Testing Lab Hood Balancing Duct Leak Testing Clean Room Certification Operating Room Airflow Ultrasonic Water Readings
Highlights and features
  • We offer 25+ years of exclusive focus on HVAC balancing expertise
  • Our team holds TABB certifications for rigorous industry standards
  • We implement proactive problem-solving with building engineers
  • We guarantee first-time completion of all balancing projects
  • Our professionals maintain decades of local Colorado experience
Associations and certifications
  • TABB Certification
What people say
Highest standard of work Employees who care Optimize every system Professionalism Preferred balancer for 20 years
Services
HVAC System Testing
Our comprehensive HVAC testing ensures optimal system performance through precise airflow measurements and pressure diagnostics. We identify inefficiencies in commercial HVAC systems, providing data-driven adjustments that reduce energy consumption while maintaining occupant comfort. Our technicians use calibrated instruments to verify compliance with design specifications.
Lab Hood Balancing
Critical safety testing for laboratory environments maintains proper containment of hazardous materials. We measure face velocity, airflow patterns, and pressure differentials to ensure OSHA compliance. Our certification process documents performance metrics and recommends corrective actions for non-compliant units.
Duct Leak Testing
Precision leak testing quantifies air loss in commercial duct systems using calibrated airflow measurement devices. We identify and document leakage points in HVAC distribution systems, providing repair recommendations that improve energy efficiency and system effectiveness.
Clean Room Certification
Our certification process verifies clean room environments meet ISO 14644-1 standards through particle count analysis and airflow visualization. We test HEPA filter integrity, air change rates, and pressure cascades to ensure compliance with pharmaceutical and semiconductor manufacturing requirements.
Operating Room Airflow
Specialized airflow testing for healthcare facilities ensures proper pressurization and particle control in surgical environments. We measure air changes per hour, filter efficiency, and directional airflow patterns to maintain sterile conditions and meet Joint Commission standards.
People
Lowell Catlett
TAB Team Consultant
30+ years of air and hydronics balancing experience in Denver. Former Midwest Engineering employee for 17 years and Complete Mechanical Balancing owner for 14 years. TABB-certified consultant with extensive field expertise.
Carl Catlett
Field Leader & Owner
35+ years in HVAC balancing with Midwest Engineering and Natkin Contracting training. TABB-certified supervisor since 2005. Completed Sheet Metal Workers Local No. 9 apprenticeship program.
Anthony Struble
Field Leader & Owner
27-year company veteran with Sheet Metal Workers Local No. 9 apprenticeship training. TABB-certified supervisor since 2005 and HVAC Fire Life Safety Level 1 technician since 2013.
Jim Catlett
Field Crew
16 years of field experience with Complete Mechanical Balancing. TABB-certified technician specializing in commercial HVAC system balancing and diagnostics.
Michael Struble
Field Crew
14-year company veteran and Sheet Metal Workers Local No. 9 Journeyman. TABB-certified with expertise in complex system balancing and diagnostics.
Questions
What HVAC services do you specialize in?
We focus on testing, adjusting, and balancing HVAC systems for commercial buildings, including lab hoods, clean rooms, and operating rooms.
How long have you served the Denver area?
Our team has provided mechanical balancing solutions for over 25 years across the Denver metropolitan area and surrounding communities.
Are your technicians certified?
All field leaders hold TABB certifications for Testing, Adjusting, and Balancing, with additional HVAC Fire Life Safety Level 1 credentials.
What makes your approach unique?
We proactively identify and resolve system issues during service calls, preventing costly follow-up visits and operational disruptions.
Do you work with building engineers directly?
Yes, we collaborate closely with design and building engineers to ensure optimal system performance from initial installation.