Specialists in Class 1 and Class 2 hazardous location cooling. Our equipment is installed at virtually every major oil refinery in the United States.
(844) 925-5668Quotes in 24–48 hours · Any brand · Any classification
Explosion-proof air conditioning is one of the most specialized fields in industrial HVAC. There are only a handful of operations in the United States qualified to do it correctly. We are one of them.
Explosion-proof HVAC is not a sideline. It's all we do. Faster answers, accurate quoting, no learning curve on complex applications.
We have been modifying and supplying explosion-proof HVAC for over a decade. Our equipment is installed across the entire US refinery system.
Most quotes come back in 24–48 hours. We don't make you wait two weeks to find out if a project is feasible.
We most commonly modify Bard wall-mount units, but we can work with virtually any brand to meet your exact classification requirements.
One large consolidator has acquired most explosion-proof HVAC modifiers in the United States. We remain independent — which means faster decisions, direct access to our engineering team, and no corporate layers between you and your quote. When you call us, you talk to the people doing the work.
Read Our Complete Guide to Explosion Proof Air Conditioning →
From Gulf Coast refineries to pharmaceutical clean rooms, we've worked across the full range of hazardous location environments.
Every explosion-proof air conditioner is specified to a Class, Division, and Group. Start here if you're not sure what you need.
Flammable gas or vapor present under normal conditions. Most demanding Class 1 specification.
Flammable gas or vapor present only under abnormal conditions. Standard for most refineries and chemical plants.
Combustible dust present in suspension under normal conditions. Grain elevators, certain pharma and mining operations.
Combustible dust accumulation only. Less stringent than Division 1 but still requires rated equipment.
Every unit is custom. These are typical starting points — call us for an exact quote.
Class 1, Div 2, Group C&D. Indoor head + outdoor condenser. The budget-friendly option.
Both sections within classified area. Most common refinery configuration.
Purge & pressurization for large enclosures and critical applications.
Wall-mount, through-wall, split system, window, pad mount, rooftop, and over/under configurations — whatever your installation requires.
Technical guides written by the people who actually build and install this equipment.
The complete guide — classifications, how it works, pricing, real installations, and common misconceptions explained in plain English.
Step-by-step buyer's guide — determine your classification, size the unit, decide inside-only vs. full modification, and get a quote.
Pricing breakdown for every configuration — window units from $6,700 to pressurized systems over $50,000. What drives the cost.
Quick answers to the most common questions about explosion-proof air conditioning — lead times, brands, Division 1 vs. 2, and more.
