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Unmatched HVAC Belt Performance

Experience reliability and efficiency with our high-performance HVAC belts designed for today's demanding commercial environments. Our belts keep your systems running smoothly, reducing downtime and boosting productivity.

As the 2025 Transmission Belt Manufacturer of the Year, we stock 18 months of inventory, 98% of orders ship same day,  our customer  service is top notch, and our belts last! 

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Your Partner in Reliable HVAC Solutions

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Belts That Are Always Available

Our proactive inventory management ensures your belts are always in stock, ready for immediate deployment.

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Cost Effective HVAC Belt Solutions

With transparent pricing and integrated production, we offer competitive costs without sacrificing quality.
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Superior Quality

Crafted with high-grade EPDM and tested for durability, our belts deliver consistent performance even under extreme conditions.

Our Performance by the Numbers

98%

of orders ship the same day,
ensuring minimal downtime.

34.7%

outlasted the competition by almost 35% in third-party, independent testing.

100%

vertically integrated manufacturing for unmatched quality control.

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Independent Testing Proves D&D Belts Are Best!

In independent testing conducted by the Akron Rubber Development Laboratory, Inc.*, D&D belts outperformed Gates and Browning belts in break force strength by an average of 17% - 34.7%, and within an average of 1.16% - 3% in elongation.

This clearly shows our belts not only match but often exceed the quality of those from an industry leader and are offered at a more competitive price.
It’s a win-win for our partners and their customers.

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Our Belts Don't Stink

... because they're made with 100% pure rubber.

Consistency and Durability: Pure rubber offers more consistent material properties, such as uniform tensile strength and elasticity. 

Performance in Demanding Conditions: Pure rubber belts perform better under extreme conditions such as high temperatures, heavy loads, and constant wear, because of its unaltered chemical and physical structure. 

Flexibility and Resilience: Pure rubber retains superior flexibility and resilience, allowing it to better handle shock loads and resist cracking over time. 

Chemical Resistance: Pure rubber is typically formulated to provide excellent resistance to chemicals, oils, and other environmental factors. 

 

 

No Cheap Fillers at D&D 

We don’t use recycled materials, clay, talc, or hazardous compounds in our belts.

This means low odor, superior durability, and cleaner air quality.

Many competitors rely on cheap fillers that release toxic VOCs, leading to air pollution, respiratory issues, and faster belt degradation.

With D&D, you get safe, high-performance belts built to last.

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READY TO ELEVATE YOUR HVAC PERFORMANCE?

Partner with D&D
for Reliable,
High-Performance HVAC Belts

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