Business Details
50+ Years
experience
Emergency
services
Your Trusted Mechanical Contracting Partner in Des Moines
Founded in 1932, A J Allen Mechanical Contractors has built a legacy of excellence in mechanical contracting through four generations of family ownership. Our team combines decades of experience with a commitment to quality workmanship, serving commercial, industrial, and institutional clients across central Iowa. We specialize in plumbing, HVAC, refrigeration, and preventative maintenance, utilizing a Design/Build approach to streamline projects and reduce costs. With 24/7 emergency service and a focus on client satisfaction, we maintain a reputation for reliability and expertise. Our staff includes certified professionals with deep knowledge of building codes, environmental regulations, and complex mechanical systems.From initial design to final installation, we prioritize efficiency, transparency, and long-term client relationships. Our history of completing high-profile projectsfrom Camp Dodges historic pool to modern industrial facilitiesdemonstrates our adaptability and technical proficiency. We invest in ongoing training and advanced equipment to meet evolving industry standards. As a locally owned business, we emphasize community partnerships and personalized service. Our preventative maintenance programs help clients minimize downtime and extend the lifespan of critical infrastructure. This combination of tradition, innovation, and accountability has made us a trusted partner for over eight decades.
Services
Mechanical Contracting
Plumbing
HVAC
Refrigeration
Preventative Maintenance
Design/Build Projects
Emergency Repairs
Geo-thermal Systems
Process Piping
Underground Utility Installation
Details
- Year established: 1932
Highlights and features
- We offer 80+ years of experience in mechanical contracting for commercial and industrial clients.
- Our family-owned business maintains a legacy of quality workmanship and client satisfaction.
- We provide 24/7 emergency service with certified technicians available around the clock.
- Our preventative maintenance programs reduce downtime and extend equipment lifespan.
- We specialize in complex projects requiring compliance with strict safety and regulatory standards.
Services
Mechanical Contracting
We deliver full-service mechanical contracting for commercial, industrial, and institutional projects. Our expertise includes system design, equipment installation, and code compliance. Clients benefit from our 80+ years of experience and 24/7 emergency support.
Preventative Maintenance
Our preventative maintenance programs reduce equipment failures through scheduled inspections and servicing. Monthly, quarterly, and semi-annual checklists ensure optimal performance for HVAC, plumbing, and refrigeration systems in critical facilities.
Emergency Repairs
We provide rapid-response emergency repair services for plumbing, HVAC, and mechanical systems. Certified technicians are available 24/7 to minimize downtime and restore operations in commercial and industrial settings.
Design/Build Projects
Our Design/Build approach streamlines construction projects from concept to completion. By managing budgets, engineering, and permits in-house, we reduce delays and deliver cost-effective solutions for complex mechanical systems.
Geo-thermal Systems
We install and maintain geo-thermal piping systems for energy-efficient heating and cooling. These systems leverage underground temperatures to reduce energy costs while meeting environmental compliance standards for commercial facilities.
People
Mark W. Allen
President
Mark W. Allen leads A J Allen Mechanical Contractors with over 40 years of industry experience. He oversees operations and strategic growth while maintaining the family-owned businesss commitment to quality and client satisfaction.
Edward J. Allen
Secretary/Treasurer
Edward J. Allen manages financial operations and administrative functions for the company. With decades of hands-on experience in mechanical contracting, he ensures fiscal responsibility and project budget adherence.
Matt Allen
Vice President
Matt Allen serves as Vice President, focusing on project management and client relations. He brings technical expertise and leadership to complex mechanical installations and maintenance programs for industrial clients.
Rich Armintrout
Project Manager
Rich Armintrout coordinates mechanical projects from planning to completion. His expertise in system design and regulatory compliance ensures efficient execution of HVAC, plumbing, and refrigeration systems for commercial facilities.
Jon Thyberg
Project Manager
Jon Thyberg oversees mechanical contracting projects with a focus on client communication and technical precision. He specializes in integrating complex systems while adhering to strict safety and quality standards.
Questions
What types of clients do you serve?
We specialize in commercial, industrial, and institutional projects, including schools, healthcare facilities, and manufacturing plants.
Do you offer emergency repair services?
Yes, we provide 24/7 emergency service with certified technicians available for urgent plumbing, HVAC, and mechanical repairs.
What areas do you serve?
We primarily serve central Iowa, including Des Moines, Grinnell, Ottumwa, and Marshalltown for mechanical contracting and maintenance.
How do preventative maintenance programs benefit clients?
Our programs reduce unexpected breakdowns, extend equipment lifespan, and improve system efficiency through scheduled inspections and servicing.
Can you handle large-scale construction projects?
Yes, our Design/Build approach streamlines large projects by managing design, budgeting, and installation under one contract for faster, cost-effective results.
Are your technicians certified?
All technicians undergo rigorous training and hold certifications in plumbing, HVAC, refrigeration, and safety compliance standards.
