Densel Company

A Leader in Commercial HVAC Solutions

Densel Company specializes in providing HVAC solutions for commercial properties, universities, hospitals, religious institutions, and high-rise buildings. Our team understands the complexities of large-scale HVAC systems and offers tailored solutions that ensure efficiency, reliability, and cost-effectiveness.

Why Choose Densel Company?

When it comes to commercial HVAC solutions, businesses in the Washington, DC metropolitan area need a company that delivers quality, reliability, and expertise. Densel Company has been a trusted name in the industry since 1970, providing top-tier HVAC installation, maintenance, and repair services tailored to meet the needs of commercial properties, hospitals, universities, and high-rise buildings.

Decades of Experience & Industry Expertise

With over 50 years of experience, Densel Company has built a reputation for excellence. Our team consists of highly trained professionals who stay ahead of the latest HVAC technologies and industry standards. We handle everything from custom system designs to complex mechanical equipment assessments, ensuring our clients get the best solutions available.

Long-Term Client Relationships

At Densel Company, we don’t just complete projects—we build lasting partnerships. Many of our clients have worked with us for decades, trusting our expertise and commitment to their HVAC needs. We believe in detailed, high-quality work and personalized service, which is why our long-term contracts often extend 40+ years.

Skilled & Loyal Workforce

Our employees are the backbone of our success. Many of our team members have been with Densel Company for over 20 years, and we invest heavily in their ongoing training and professional development. From apprenticeship programs to manufacturer-led certifications, our technicians stay at the cutting edge of HVAC advancements, ensuring top-tier service for every client.

Who Is The Densel Company?

Densel Company has been a trusted leader in commercial HVAC solutions since 1970. Founded by two experienced professionals Harry Densel and Bobby Gilman, the company was built on a foundation of quality service, technical expertise, and customer satisfaction. We are a union contractor of Steamfitters Local 602 and Sheetmetal Local 100. Over the years, Densel Company has grown into a respected name in commercial HVAC installation, maintenance, and repair, serving businesses across the Washington, DC metropolitan area.

Our Services

Densel Company provides a full range of commercial HVAC services, ensuring that businesses in Washington, DC, Maryland, and Virginia receive top-quality solutions tailored to their specific needs.

What Is Commercial HVAC?

Commercial HVAC systems are designed to provide climate control and air quality management for large-scale buildings such as offices, hospitals, schools, and industrial facilities. Unlike residential HVAC systems, commercial units are larger, more complex, and require specialized expertise to install, maintain, and repair.

Densel Company excels in handling commercial HVAC challenges, offering tailored solutions that improve efficiency, comfort, and long-term reliability. With the latest technology and a skilled team, Densel ensures that businesses receive optimal climate control solutions.

Comprehensive HVAC Solutions

Unlike companies that focus on just one aspect of HVAC, Densel Company offers a full range of commercial HVAC services to meet the diverse needs of businesses. From installation to maintenance and repair, we provide customized solutions that ensure efficiency, reliability, and long-term performance.

Commercial HVAC Installation & Repair

Proper HVAC installation is the foundation of a reliable and efficient system. At Densel Company, we use state-of-the-art equipment and industry best practices to ensure that every system is installed with precision. Whether it’s a new commercial building, renovation, or system upgrade, our team delivers high-performance HVAC solutions tailored to your needs.

When breakdowns occur, our 24/7 emergency repair services provide businesses with fast response times to minimize downtime and restore comfort. We service all major brands and can troubleshoot complex system failures with ease.

Preventative Maintenance Programs

Regular maintenance is the key to preventing costly repairs and extending the lifespan of HVAC systems. Our customized preventative maintenance plans include:

  • Routine system inspections
  • Filter replacementsPerformance checks
  • Energy efficiency optimization
  • Early detection of potential issues

With our proactive approach, businesses can reduce unexpected breakdowns and keep their HVAC systems running at peak efficiency year-round.

Energy-Efficient HVAC Designs

Energy costs are a significant concern for commercial properties. Densel Company specializes in implementing energy-efficient HVAC systems that help businesses:

  • Lower operating costs
  • Reduce their carbon footprint
  • Improve indoor air quality

We incorporate the latest smart controls, zoning systems, and high-efficiency equipment to maximize savings and enhance performance.

Custom Sheet Metal Fabrication

Proper ductwork is essential for optimal airflow and system efficiency. Our sheet metal fabrication team produces custom ductwork and fittings, ensuring a perfect fit and seamless installation. With precision craftsmanship and durable materials, we enhance system performance while minimizing air leaks and inefficiencies.

Mechanical Equipment Assessments

Aging HVAC systems can lead to rising energy costs and decreased reliability. Our team conducts comprehensive mechanical equipment assessments, helping businesses:

  • Identify inefficiencies
  • Determine repair or replacement needs
  • Optimize performance for cost savings

With our expert evaluations, businesses can make informed decisions about their HVAC investments.

Advanced Control System Services

Modern HVAC systems rely on intelligent controls to optimize performance and reduce energy waste. Densel Company installs and services Johnson control systems, including:

  • Smart thermostats
  • Building automation systems (BAS)

These technologies provide businesses with real-time data and insights, allowing for better energy management and reduced operational costs.

We provide turnkey solutions that ensure your building’s HVAC systems are efficient, cost-effective, and built to last.

Densel Company Reviews

At Densel Company, our reputation is built on our clients’ satisfaction and trust. Here’s what some of our valued clients have to say about our services:

Densel Company has been our go-to HVAC partner for over 30 years. Their expertise, reliability, and attention to detail are unmatched.
Michael R., Facility Manager,
Commercial Office Building
We operate a large university campus, and Densel Company has played a crucial role in keeping our HVAC systems running efficiently. Their maintenance programs have saved us thousands in repairs.
Dr. Susan L.,
University Operations Director
As a hospital, we cannot afford HVAC failures. Densel Company has been instrumental in ensuring our heating and cooling systems function without disruption.
James T.,
Hospital Facilities Coordinator

Join The Densel Company

Densel Company is always looking for skilled professionals passionate about HVAC technology and committed to excellence. The company provides hands-on training, apprenticeship programs, and manufacturer-led certifications, ensuring that every team member stays at the forefront of HVAC advancements.

By joining Densel Company, technicians have the opportunity to work on a variety of commercial projects, from high-rise buildings to university campuses. The company takes pride in its long-term employee retention, offering a supportive and growth-focused environment.

Interested in joining?

Densel Company Gallery

Contact The Densel Company

For reliable, professional commercial HVAC solutions, trust Densel Company. Whether you need a new installation, system repair, or preventative maintenance, our expert team is ready to help.

Get in Touch