The Ultimate Guide to Selecting the Right Garage Exhaust Removal System for Your Shop

Why You Need an Exhaust Removal System

It's critical to the safety and production of car dealerships, auto body shops and vehicle repair garages to implement an effective garage exhaust removal system. Proper system design and installation are key to making sure that exhaust fumes are properly removed from the garage or working area and extend the life of garage exhaust hoses and associated components.

Health and Safety Risks

Technicians exposed to vehicle exhaust fumes are at risk of carbon monoxide poisoning. Even mild exposure can lead to headaches, nausea, and fatigue. Severe exposure can cause nerve damage or even death. Proper exhaust removal is crucial for mitigating these risks. For more information on the high risks of carbon monoxide poisoning, visit the CDC.

Essential Safety Practices
• Replacing damaged or failed hoses immediately
• Always use a tailpipe adapter and a high-quality ventilation system
• Provide an exhaust hose for each individual service bay
• Use garage exhaust hoses even if door and windows are opened
• Regularly inspect exhaust removal systems / Check powered exhaust systems daily

Crushroof telescoping garage exhaust removal system shown installed in a service and repair garage.

Garage exhaust hoses are one of the most important aspects of an exhaust removal system. The most common exhaust hose is a crushproof hose specifically designed to provide a ground-based, out the door solution for repair facilities. Crushproof is ideal for almost any rear, low-mount exhaust pipes, however, there are also overhead and underfloor systems that may better meet the demands of your specific application.

Types of Exhaust Removal Systems

Garage exhaust system shown in service station.

Out-The-Door - The most cost-effective solution, ideal for small service bays. Reduces the risk of harmful exhaust buildup.

The most affordable and simple way to exhaust fumes from a garage is to install an out-the-door exhaust hose system. These systems can be used to extract vehicle exhaust from gas and diesel-powered cars and light trucks with rear-mounted exhaust pipes.

To ensure adequate airflow and hose performance, don't forget about these two points that will cool air and minimize the risk of pooling and backup air:

Always allow for an air gap of at least 1/2-inch around the tailpipe
Keep the distance from the door to the vehicle under 24-feet

Under-Floor - Ideal for garages with limited overhead space, offering a discreet yet powerful method to remove exhaust.

It's recommended to use a crushproof hose in under-floor systems because they can endure harsher conditions and are less likely to become damaged when compared to metal or plastic.

If you decide to implement an under-floor system, you'll need the following components:

Sealable floor plate	Drainage tile
Crushproof adapter	Sump or dry well
Crushproof hose	Vent to pipe to fan
Crushproof elbow

Understanding Source Capture

Source capture is the most effective way to protect technicians from harmful exhaust fumes. By removing exhaust directly from the vehicle’s tailpipe, it ensures that the air remains clean and breathable, reducing the risks associated with long-term exposure.

This method is central to ensuring your garage or repair shop maintains a safe working environment, as it captures the dangerous fumes at the source and prevents them from lingering in the workspace.

System Design Essentials

To design an effective garage exhaust system, you must have a knowledge of airflow rates, exhaust temperatures, and static pressure restrictions. There are many elements and variations of those elements that go into developing the most efficient exhaust solution for a specific application including:

Garage exhaust hose	Tailpipe Adapter	Y-Connector
Portable Fan	Hose Connector	Y-Assembly
Duct Connector	Door Port	Hose Elbow

Efficient design not only protects workers but also prolongs the life of your system, reduces downtime, and cuts long-term maintenance costs. Focus on airflow rates, exhaust temperatures, and system layout to ensure the system runs smoothly and efficiently.

7 ?'s to Ask When Designing a Garage Exhaust System

1. What is the tailpipe shape?

The proper fitting nozzle is based on the shape of your tailpipe.

2. What is the tailpipe O.D.?

Measure the outside dimension (O.D.) to determine the width of the tailpipe.

3. What is the tailpipe protrusion?

To figure out how the adapter will fit on to the tailpipe it's important to note how the tailpipe or tailpipes protrude from the vehicle.
Older vehicles feature a tailpipe that protrudes from the body and requires a spring-clamp attachment while newer vehicles feature flush tailpipes that require a suction-cup attachment.

4. Do you have dual tailpipes?

Y-connectors are required to connect dual tailpipes.

5. What is the distance to outside?

Starting at the tailpipe, take down an accurate measurement of the distance to the outside.

6. Will your system be passing through a garage door?

If you're exhausting through a garage door you will need a door port to feed the hose through.

7. Need help selecting the perfect exhaust system?

Contact us for expert advice and solutions tailored to your garage.

At Crushproof-Hose, we have everything you need to get started with a basic garage exhaust removal system! Our Service Station Exhaust Kits include parts tailored to manage the small cars/trucks common to a service station bay. Get in touch with our specialists to learn more.

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WARNING: Vehicle Exhaust is extremely dangerous and potentially deadly. We always recommend that any system be properly engineered to meet the specifications of your application. If you are using our Crushproof system, we recommend that you use it with a fan and as an intermittent repair solution only, not to be run for long periods of time. This hose is to be used only with naturally aspirated 4 cycle engines running at an idle and under no load. We recommend keeping any run of hose as short as possible preferably 11' or under and sized to include ambient air to cool the exhaust temperatures. This hose is designed to handle frequent temperatures up to 400° and intermittent temperatures to 600°. When using Crushproof hose for the first time, watch closely to verify that the exhaust is exiting the building as designed. IF YOU SEE ANY EXHAUST COMING BACK INTO THE SPACE, THE HOSE IS NOT BEING USED PROPERLY. TURN THE VEHICLE OFF IMMEDIATELY AND CALL OUR EXPERTS.

Galvanized ducting	Telescoping setup
Ducting T or drop	Fan
Hose, elbow & pulley	Fan exhaust about the building

The Ultimate Guide to Selecting the Right Garage Exhaust Removal System for Your Shop

Why You Need an Exhaust Removal System

Health and Safety Risks

Types of Exhaust Removal Systems

Out-The-Door - The most cost-effective solution, ideal for small service bays. Reduces the risk of harmful exhaust buildup.

Overhead - Great for larger garages with multiple service bays, providing efficient exhaust removal with minimal floor space usage.

Under-Floor - Ideal for garages with limited overhead space, offering a discreet yet powerful method to remove exhaust.

Understanding Source Capture

System Design Essentials

7 ?'s to Ask When Designing a Garage Exhaust System

1. What is the tailpipe shape?

2. What is the tailpipe O.D.?

3. What is the tailpipe protrusion?

4. Do you have dual tailpipes?

5. What is the distance to outside?

6. Will your system be passing through a garage door?

7. Need help selecting the perfect exhaust system?

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