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Air Conditioning / Heating Equipment ImageAir Conditioning / Heating Equipment
Air Filters ImageAir Filters
Chemicals, Lubricants ImageChemicals, Lubricants
Compressors ImageCompressors
Controls ImageControls
Electrical Components ImageElectrical Components
Evaporative Cooler Parts ImageEvaporative Cooler Parts
Fans, Blowers, Belts, Bearings, Pulleys ImageFans, Blowers, Belts, Bearings, Pulleys
Hydronic Components ImageHydronic Components
Motors ImageMotors
Pipe,Tubing, Fittings, Insulation ImagePipe,Tubing, Fittings, Insulation
Pneumatic Controls ImagePneumatic Controls
Refrigerants ImageRefrigerants
Refrigeration Equipment ImageRefrigeration Equipment
Refrigeration, AC Parts ImageRefrigeration, AC Parts
Tools, Instruments ImageTools, Instruments
Truck Stock ImageTruck Stock
Water Filtration ImageWater Filtration
Water Pumps ImageWater Pumps
Welding Products ImageWelding Products

Refrigerant Suite

Central clearing house for all refrigerant related information

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Refrigerant Suite

Central clearing house for all refrigerant related information

Learn More

Stores

RSD has grown to include 80 locations covering 10 western states

Find stores in your area

Stores

RSD has grown to include 80 locations covering 10 western states

Find stores in your area
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Events

What's happening at RSD? Find more information about our events and training, like where, when, what and who to contact.
Events & Training
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Cooling Towers

RSD Fiberglass Cooling Towers are both durable and economical, with stock models ranging from 5 to 500 tons.
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Total Control

Total control teams with HVAC contractors to provide building automation systems, products, professional services, training, & support.
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DDC Training

Maximize your training time while minimizing your training expenses by utilizing our Total Control University. Online registration available!
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Regulatory Update 2023 & 2025

Learn information on Regional Efficiency Standards, M1, the 2025 Refrigerant change and TECH Clean California.
Visit Update Page
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RSD Notes

RSD Notes is an application designed to keep your notes organized and stored with you at all times.