When it comes to reliable compressed air solutions, Speedaire is a trusted name for workshops, garages, and industrial environments. Known for durable construction and consistent performance, Speedaire compressors are designed to keep tools running efficiently without frequent downtime. But with so many models available, which one is the right fit for your needs?
This guide will break down the best Speedaire compressors, explain what to look for before buying, and provide detailed reviews, a comparison chart, FAQs, and final recommendations.
Quick Picks: Best Speedaire Air Compressors
- Best Overall: Speedaire 3Z355 Reciprocating Air Compressor – Durable cast iron design with reliable CFM output.
- Best Budget: Speedaire 3Z406 Portable Electric Compressor – Compact, affordable, and efficient for light shop use.
- Best Premium: Speedaire 3Z492 Two-Stage Industrial Compressor – High capacity, heavy-duty build for demanding operations.
Buyer’s Guide: What to Know Before Buying a Speedaire
Not all Speedaire compressors are built the same. Here’s what to keep in mind before investing:
- CFM Requirements: Match your compressor’s airflow (CFM) to the total demand of your tools or system.
- Tank Size: Larger tanks (60–120 gallons) provide steady air for continuous use. Smaller tanks suit light-duty jobs.
- Power Type: Portable models run on 120V, while larger stationary compressors require 230V or 460V power.
- Stage: Single-stage units handle lower PSI needs. Two-stage units are built for higher pressure and efficiency.
- Duty Cycle: Industrial Speedaire models are rated for continuous duty—ideal for factories and production lines.
Detailed Product Reviews
1. Speedaire 3Z355 Reciprocating Compressor
Who it’s for: Small to medium workshops needing consistent airflow and durability.
- Key Benefits:
- 5 HP motor
- 60-gallon tank
- Cast iron pump for long service life
- Pros: Affordable for its capacity, reliable build
- Cons: Louder than rotary screw models
Final Verdict: A dependable all-around unit for most shops. Check price
2. Speedaire 3Z492 Two-Stage Compressor
Who it’s for: Industrial buyers needing high PSI and steady air supply.
- Key Benefits:
- 10 HP motor
- Two-stage pump for efficiency
- 120-gallon tank
- Pros: Powerful, excellent for continuous duty
- Cons: Large footprint
Final Verdict: A powerhouse for demanding applications. See offer
3. Speedaire 3Z406 Portable Compressor
Who it’s for: DIYers and small shops needing a budget-friendly portable solution.
- Key Benefits:
- 2 HP electric motor
- 20-gallon tank
- Portable frame design
- Pros: Lightweight, affordable
- Cons: Limited CFM output
Final Verdict: Great for smaller jobs and portable use. View deal
4. Speedaire 3Z494 Industrial Reciprocating Compressor
Who it’s for: Large shops running multiple tools at once.
- Key Benefits:
- 15 HP motor
- Two-stage pump
- High CFM output
- Pros: Heavy-duty, continuous duty rated
- Cons: Higher upfront cost
Final Verdict: Built for serious industrial users. See price
5. Speedaire 3Z490 Vertical Tank Compressor
Who it’s for: Workshops with limited floor space.
- Key Benefits:
- 7.5 HP motor
- 80-gallon vertical tank
- Compact design
- Pros: Space-saving, durable
- Cons: Less capacity than larger units
Final Verdict: Perfect for busy shops needing space efficiency. Check deal
6. Speedaire 3Z493 High-Capacity Compressor
Who it’s for: Factories and production lines requiring non-stop air supply.
- Key Benefits:
- 20 HP motor
- Two-stage system
- Continuous-duty rated
- Pros: Maximum output, built for 24/7 use
- Cons: Premium pricing
Final Verdict: Best choice for industrial heavy-duty applications. View price
Comparison Table
| Model | Type | Tank Size | HP | Price Link |
|---|---|---|---|---|
| 3Z355 | Reciprocating | 60 gal | 5 HP | View Price |
| 3Z492 | Two-Stage | 120 gal | 10 HP | See Offer |
| 3Z406 | Portable | 20 gal | 2 HP | View Deal |
| 3Z494 | Two-Stage | 120 gal | 15 HP | Check Price |
| 3Z490 | Vertical Tank | 80 gal | 7.5 HP | See Price |
| 3Z493 | Two-Stage | 120 gal | 20 HP | View Price |
FAQ
Are Speedaire compressors good quality?
Yes. Speedaire is known for industrial-grade build quality, especially in their cast iron reciprocating and two-stage models.
Who makes Speedaire compressors?
Speedaire is a Grainger-owned brand. Many models are manufactured by top compressor factories in the U.S. and abroad.
What’s the difference between single-stage and two-stage Speedaire compressors?
Single-stage models compress air once, while two-stage models compress twice, achieving higher pressures more efficiently.
Can I run multiple tools on a Speedaire compressor?
Yes, but you need to size the compressor based on combined CFM demand of all tools in use at once.
How long do Speedaire compressors last?
With regular maintenance, most Speedaire units last 20+ years in shop environments.
Conclusion
Speedaire air compressors are a smart investment for anyone who needs reliable compressed air. From small workshops to heavy industrial use, there’s a Speedaire model to match. For most buyers, the 3Z355 is the best balance of affordability and durability. If you need higher capacity, the 3Z492 or 3Z494 deliver outstanding industrial-grade performance.
Don’t settle for underpowered compressors. Shop Speedaire compressors today and power your tools with confidence.