In a demanding, high-risk industrial environment, you count on your equipment to produce reliable operations without interruption. Your air conditioning, ventilation and pressurization systems are no exception. Every HVAC system designed, fabricated and installed by DWD International undergoes extensive quality assurance testing to ensure that your system will stay up and running even in extreme conditions. When you need specialized HVAC and pressurization systems that are built to last, call DWD International - where quality comes standard.

Since 1974, DWD International has designed, manufactured, installed and maintained HVAC and pressurization systems that withstand the most challenging conditions. DWD was one of the first companies to offer explosion-proof, corrosion-resistant HVAC equipment, and we continue to lead the industry with innovative designs and quality equipment. In 1990, DWD pioneered a variable frequency drive (VFD) pressurization unit that offers 100% stand-by in a single cabinet, minimizing outside-air loads while still meeting NFPA 496 standards.

Upon approval of the engineering drawings for your system, your project advances to DWD's fabrication and manufacturing shops. Here, we custom-build cabinetry and skids for your HVAC or pressurization system. All work is performed according to a stringent quality control and assurance program that ensures the final product meets your specifications. In addition to our internal quality control, our project-specific Inspection Test Plans incorporate third-party inspection as desired by the client.

Electrical buildings present unique HVAC and pressurization challenges. DWD International has the knowledge and experience to complete highly specialized projects on time and on budget. Browse through the filmstrip below to see some examples of units we've installed in electrical buildings onshore and offshore.

With more than 45 years of experience designing, manufacturing, installing, and maintaining HVAC and pressurization systems, DWD employs the best and most experienced technicians in the industry. We specialize in building HVAC and pressurization systems that can withstand the harsh conditions of offshore platforms and rigs, which means our technicians know how to keep your systems running smoothly - and how to quickly and cost-efficiently diagnose and fix problems when they arise. From prevention to repairs, remotely or on-site, DWD offers the offshore services to keep your operations up and running.

Common sense tells us that in order to produce high-quality results, you need a consistent method from start to finish. That's why DWD completes as much work as possible in-house, under the supervision of our experienced project managers. At DWD, we maintain full control over the design, construction and delivery of your HVAC or pressurization unit. Each project is overseen by a project manager who follows your system as it moves through our on-site shops: engineering, fabrication, coating and mechanical.

At DWD International, we believe that every aspect of our equipment should exceed expectations - even the elements that aren't normally visible. Inside each cabinet you'll find a carefully laid out electrical panel, designed and assembled in house. The meticulous organization and labeling of our wiring isn't just there for aesthetics - our panels are designed with service in mind. The end result is an efficient, consistent product that exemplifies our commitment to quality. Our employees take pride in making sure that the equipment that comes out of our shops exemplifies quality on every level.

Reliable HVAC and pressurization systems start with quality system designs. Our experienced engineers have worked on a range of specialized projects, both onshore and offshore. The process begins as soon as we receive your specifications. One of the primary advantages of working with DWD is our ability to customize each element to meet the specs of your unique project.

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