Emissions control systems for today’s air quality standards
FAQs – Buyers
- Is the emissions control system verified by CARB or the EPA? Has the technology undergone extensive emissions testing?
- Is the emissions control system all-inclusive?
- Will the system require extensive installation and/or labor costs?
- Does the emissions control system operate within the backpressure limits set by the application’s engine manufacturer?
- Is the system constructed of durable materials?
- Does the emissions control system meet sound attenuation requirements for the location and purpose?
- Will the system fit within the available space of my application?
- Is there a system warranty for performance and workmanship?
- Will the system be completed and delivered within the specified time requirement?
- Is there a charge for technical product support?
- 1. Is the emissions control system verified by CARB or the EPA? Has the technology undergone extensive emissions testing?
- If a system is CARB verified it has passed rigorous testing requirements to meet strict California air quality regulations. An EPA verification is similar to a CARB verification, although a more conservative approach is taken to establish verified levels of reduction. If a technology is CARB verified it is also considered EPA verified through a reciprocal agreement whereby EPA and CARB honor each other’s verifications. Many application technologies don’t fall within the emissions criteria or categories set by CARB or EPA, such as selective catalytic reduction catalysts. In this case, results from emissions testing of the control technology should be provided to the buyer to verify the technology has been tested to meet certain levels of emissions reduction.
**The CleanAIR Permit DPF is CARB verified, Level 3+ for prime power and emergency generators. This means it is also EPA verified through the agencies’ reciprocal agreement. CleanAIR’s in-house testing facility provides ongoing testing for all of the company’s emissions control technologies. - 2. Is the emissions control system all-inclusive?
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A buyer should always ask if a complete, installation-ready system is being provided. A low price quote for a system may signify a system that does not include certain parts or the correct packaging necessary to install the technology. If this is the case, the buyer may need to provide packaging or other extras, adding to the initial cost of the system.
**CleanAIR Systems offers complete emissions control systems. A job quote will detail all parts of the system. There are no hidden costs. - 3. Will the system require extensive installation and/or labor costs?
- Emissions control systems can be complicated depending on the application and control technology required. If a product is custom-designed to fit a user’s exact specifications such as space and inlet/outlet locations, the product will be much easier to install. The easier the system is to install, the less it will cost the buyer in labor charges.
**All CleanAIR products are custom designed to end-user application requirements. We strive to make every product fit perfectly. - 4. Does the emissions control system operate within the backpressure limits set by the application’s engine manufacturer?
- A system should be sized to an engine’s full capacity. It’s important to have filters calculated to the appropriate size in order not to increase engine backpressure while the engine is operating at full load.
Be aware that a low price quote may indicate a system that has been undersized for the engine. If a buyer purchases an undersized system, it could result in an increase in engine backpressure, a drop in emissions control efficiency or even damage to the system. An example of an undersized system would be smaller sized filters or fewer filters than required for the size of the application.
**The CleanAIR technical sales staff will make sure your product is properly sized to avoid backpressure issues. - 5. Is the system constructed of durable materials?
- Diesel particulate filters, diesel oxidation catalysts and some selective catalytic reduction catalysts need to be “packaged” within an outer steel shell in order to contain the filters or catalysts and attach the system to the application. There are several grades of stainless steel that can be used for system packaging. The most durable, corrosion-resistant and longest lasting is 304L stainless steel. Make sure to ask what type of steel is being used to manufacture your system.
**All CleanAIR products are manufactured using 304L stainless steel. - 6. Does the emissions control system meet sound attenuation requirements for the location and purpose?
- If you are purchasing a combination product such as a DPF/muffler or DPF/Silencer or scr/DPF/Silencer, make sure the product offers the level of sound attenuation required for the application.
**CleanAIR products offer double-walled construction with full-body insulation and three levels of sound attenuation. Full-body insulation not only reduces exhaust noise, it also helps to contain exhaust heat. - 7. Will the system fit within the available space of my application?
- Many applications are not designed with enough space to retrofit with emissions control products. The available space may be small or non-existent. In these cases, other solutions must be engineered, usually requiring a system to be customized to a buyer’s space limitations. Make sure your emissions control manufacturer is capable of complex engineering and custom fabrication.
**Every CleanAIR product is custom engineered, designed and fabricated to meet application requirements. Analysis is also provided for flow, stress and strain using advanced modeling software. - 8. Is there a system warranty for performance and workmanship?
- Always check with your emissions control provider on what type warranty is included with your system.
**CleanAIR provides warranties for all products, as well as specific CARB verified warranties. - 9. Will the system be completed and delivered within the specified time requirement?
- If you are under-the-gun, trying to meet a regulation deadline, check with the manufacturer on how much up-front time is required to design, fabricate and complete the system. If the system is a custom product, it will require more time than an off-the-shelf or standard product. Also find out if the supplier will guarantee delivery by a specific deadline.
**CleanAIR Systems will do their utmost to work within your deadline parameters. - 10. Is there a charge for technical product support?
- What do you do after the system is installed and you need tech help? Check with your provider to make sure the manufacturer will stand by their product and be available for questions. Be aware that some suppliers charge for this service.
**CleanAIR offers free technical support for their products. Most times, you will be able to speak directly with an engineer to discuss application and product questions.
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