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Trusted Mechanical Contracting Services in Manhattan, KS
As one of the Midwest's premier full-service mechanical contractors, we specialize in heating, ventilation, air conditioning, plumbing, piping, ductwork, and utilities services. With six decades of experience in commercial, government, institutional, and industrial projects, we deliver solutions that meet rigorous quality standards while adhering to tight deadlines and budgets. Our dual-project-manager system ensures seamless execution, with dedicated oversight for HVAC sheet metal and plumbing/HVAC piping components. Our commitment to safety excellence was recognized in 2022 with an EMCOR Group Safety Excellence Award, reflecting our ability to maintain high safety standards even in challenging labor market conditions.

Through in-house prefabrication capabilities and a fleet of fully equipped service vehicles, we optimize project efficiency and customer satisfaction. Our comprehensive service portfolio includes preventive maintenance agreements that reduce emergency service calls by up to 65%, as well as specialized fire and smoke damper testing services compliant with NFPA guidelines. Operating across northeastern Kansas, we provide customized facilities solutions tailored to each client's unique operational requirements and budget constraints.
Services
HVAC Installation Plumbing Services Electrical Contracting Preventive Maintenance Fire Damper Testing Facilities Management Emergency Repairs Prefabrication Tenant Build-Outs Industrial Piping
Highlights and features
  • We offer 60 years of specialized mechanical contracting experience
  • Our team holds LEED Accreditation for sustainable construction practices
  • We received the 2022 EMCOR Group Safety Excellence Award
  • We provide 24/7/365 emergency service availability
  • Our dual-project-manager system ensures specialized oversight for HVAC and plumbing systems
Associations and certifications
  • LEED Accreditation
Services
HVAC Installation
We design and install complete heating, ventilation, and air conditioning systems for commercial and industrial facilities. Our team handles projects from initial design through final commissioning, ensuring optimal system performance and energy efficiency. With specialized expertise in fast-track construction and complex retrofits, we deliver climate control solutions that meet exact client specifications while maintaining strict budget and timeline parameters.
Preventive Maintenance
Our planned maintenance agreements help extend equipment lifespan and prevent emergency breakdowns. Services include scheduled inspections, filter replacements, system testing, and detailed performance reporting. By maintaining HVAC systems according to manufacturer specifications, we help clients achieve up to 30% energy savings and reduce emergency service calls by 65% while ensuring occupant comfort and productivity.
Fire Damper Testing
We perform comprehensive fire and smoke damper inspections meeting NFPA guidelines. Our certified technicians verify damper operation, test fusible links, lubricate moving parts, and document compliance with state and federal regulations. This critical safety service helps maintain building code compliance while protecting occupants and property through properly functioning passive fire protection systems.
Emergency Repairs
Our rapid response team provides around-the-clock emergency repair services for mechanical systems. With fully equipped service vehicles and trained technicians available 24/7/365, we address urgent HVAC, plumbing, and electrical issues to minimize downtime. Our emergency services maintain business continuity while restoring system functionality to meet operational requirements.
Industrial Piping
We design and install specialized piping systems for industrial applications. Our certified welders and pipefitters handle complex process piping requirements, including high-pressure and high-temperature systems. With in-house fabrication capabilities, we deliver precision-engineered solutions for manufacturing facilities, laboratories, and other industrial environments requiring reliable fluid transport systems.
People
John Lonker
President
John Lonker leads Central Mechanical with a focus on practical results and customer satisfaction. He maintains high service standards while overseeing operations across multiple project types and scales.
Questions
What mechanical services do you offer?
We provide HVAC systems, plumbing, electrical contracting, industrial piping, and preventive maintenance services for commercial and industrial clients.
Do you handle emergency repairs?
Yes, we offer 24/7/365 emergency service with rapid response for HVAC, plumbing, and electrical system failures.
Are you certified for safety standards?
We received the 2022 EMCOR Group Safety Excellence Award for maintaining exceptional safety performance on complex projects.
What areas do you serve?
We operate throughout northeastern Kansas, including Manhattan, Topeka, Clay Center, and Emporia.
How do you ensure quality maintenance?
Our preventive maintenance agreements include scheduled inspections, filter replacements, and performance testing to maintain system efficiency and reliability.
Can you handle large-scale projects?
Yes, our dual-project-manager system ensures specialized oversight for HVAC and plumbing systems on complex commercial and industrial projects.