Business Details
50+ Years
experience
Your Trusted HVAC Partner in Corona, CA
Founded in 1963 as Lindy Dennis Industries, LDI Mechanical has evolved into a family-owned leader in the HVAC industry with a legacy of innovation spanning over six decades. Under the leadership of owners Lloyd, Robert, and Mike Smith, we have grown from a small operation in Conroe, Texas, to a national full-service heating and air company with over 575 employees. Our commitment to quality is reflected in our use of advanced technologies like AutoCAD, Revit, and BIM, ensuring precise HVAC design and conflict-free installations. We specialize in multi-family, commercial, and sheet metal fabrication services, supported by a 90,000-square-foot fabrication facility in Corona, California. With a focus on employee retention, over 25% of our workforce has been with us for a decade or longer.Our safety-first culture and adherence to Underwriter Laboratory standards guarantee durable, high-quality systems. Operating across the west coast and beyond, we have completed over 1,000,000 units while maintaining a reputation for reliability. Our partnerships with industry leaders like Western National Contractors and Fairfield Residential underscore our ability to deliver projects on time and on budget. As a family-owned business, we prioritize customer satisfaction and employee well-being, ensuring every project meets our rigorous standards. This philosophy has driven our growth from $3 million in annual revenue in 1990 to over $100 million today, solidifying our position as a trusted industry leader.
Services
HVAC Design
Pre-Fabrication
Installation
Multi-Family
Commercial
Sheet Metal Fabrication
Safety Compliance
Details
- Year established: 1963
Highlights and features
- We offer over 60 years of HVAC expertise and innovation.
- Our family-owned business ensures personalized service and accountability.
- We utilize AutoCAD, Revit, and BIM technologies for precision projects.
- Our safety program exceeds industry standards for employee protection.
- 25% of our workforce has served for over a decade, ensuring continuity.
Associations and certifications
- Underwriter Laboratory
What people say
Quality product
On time and on budget
Professional organization
Unmatched expertise
Save time and money
Services
HVAC Design
Our engineering team specializes in HVAC design that adheres to building codes and Title-24 standards. Using AutoCAD, Revit, and BIM technologies, we eliminate field conflicts, ensuring cost-effective, efficient projects. Clients benefit from precise, future-ready systems tailored to their specific needs.
Pre-Fabrication
Our 90,000-square-foot Corona, CA facility produces HVAC components with rapid turnaround. Exceeding Underwriter Laboratory standards, our pre-fabrication process ensures durability and quality. This approach reduces on-site labor costs and accelerates project timelines for clients.
Installation
With a focus on work ethic and professionalism, our supervisors coordinate with engineers to ensure flawless installations. We prioritize first-time accuracy, minimizing delays. Our teams expertise guarantees systems operate efficiently from day one, meeting strict deadlines.
Multi-Family
We specialize in HVAC solutions for multi-family housing across Colorado and California. Our 500+ team members deliver scalable, budget-friendly systems. Clients rely on our ability to handle large volumes while maintaining consistent quality and compliance.
Commercial
Our commercial division manages complex projects like garage exhaust and generator piping. With 60+ employees, we support large-scale developments. Our focus on efficiency and code compliance ensures systems meet the demands of high-traffic commercial spaces.
People
Lloyd Smith
Owner & Chairman
Lloyd Smith founded LDI Mechanical in 1983 after starting as a journeyman. He oversaw design, fabrication, and installation operations, growing the company into a $100M enterprise with over 1,000,000 units installed.
Robert Smith
President & CEO
Robert Smith leads Ldis strategic growth as President and CEO. With decades of HVAC expertise, he ensures the company maintains its reputation for quality and reliability across multi-family and commercial sectors.
Mike Smith
Chief Operating Officer
Mike Smith, COO, leverages his hands-on HVAC experience to optimize operations. He focuses on innovation and efficiency, ensuring LDI Mechanical stays ahead of industry trends while delivering client-centric solutions.
Todd Moser
Chief Financial Officer
Todd Moser manages Ldis financial strategy, ensuring sustainable growth. With a focus on fiscal responsibility, he supports the companys expansion and long-term stability in competitive markets.
Carlos Trujillo
Vice President of Operations
Carlos Trujillo oversees daily operations, ensuring seamless project execution. His leadership ensures adherence to timelines and quality standards, reinforcing Ldis commitment to client satisfaction.
Questions
What HVAC services does LDI Mechanical offer?
We provide HVAC design, pre-fabrication, installation, and maintenance for multi-family, commercial, and sheet metal projects.
Where does LDI Mechanical operate?
We serve clients across California, Colorado, and the west coast, with offices in Corona, Sacramento, Denver, and Livermore.
How does LDI Mechanical ensure project quality?
We use AutoCAD, Revit, and BIM technologies to eliminate conflicts, ensuring precise installations that meet Title-24 and building code standards.
What safety measures does LDI Mechanical prioritize?
Our safety program exceeds industry standards, focusing on employee training and reporting protocols to prevent accidents and ensure a healthy work environment.
What is LDI Mechanical’s experience in the industry?
We have over 60 years of HVAC expertise, with a family-owned legacy dating back to 1963 and $100M+ in annual revenue.
