One System.
Infinite Solutions.
The revolutionary modular capacitor system that replaces hundreds of sizes. Stack, combine, and customize - all from your truck.
Carrying Inventory Is Killing Your Margins
Traditional capacitor replacement means stocking hundreds of SKUs. There's a better way.
✕ The Old Way
- ✕ Stock 200+ capacitor sizes
- ✕ Multiple trips per job
- ✕ Tied-up capital in inventory
- ✕ Obsolete stock waste
- ✕ Heavy truck loads
✓ The Sigma Way
- ✓ One modular system
- ✓ First-trip completion
- ✓ Minimal inventory investment
- ✓ Zero obsolescence
- ✓ Lightweight & portable
Build Any Capacitor In Seconds
Our patented pod system lets you create the exact capacitor you need, on-site.
Calculate
Use our calculator to determine the exact MFD rating needed for your application.
Stack
Combine individual pods to create your custom capacitor configuration.
Install
Secure installation that meets or exceeds OEM specifications. Done.
Stack Pods to Build Any Rating
Each pod adds its MFD rating to the total. Simply stack the combination you need to match or exceed the original capacitor specifications.
Why HVAC Technicians Choose Sigma Cap Pro
Real savings that impact your bottom line every single day
Replace Hundreds of Values
One product covers virtually any capacitor configuration you'll encounter in the field.
Fewer SKUs on the Truck
Streamline your inventory. One kit replaces dozens of individual capacitors.
Faster Job Completion
Build the capacitor on-site in minutes. No waiting, no special orders.
Fewer Callbacks & Supply Runs
Always have what you need. Eliminate return trips for the right capacitor.
Lower Inventory Investment
Stock less, cover more. Reduce capital tied up in capacitor inventory.
Professional-Grade Construction
Every Sigma Cap Pro pod is manufactured with precision engineering to meet the demanding requirements of HVAC service work. Dual 370/440 VAC ratings ensure compatibility across residential and commercial applications.
- Patented modular design - Quick-connect terminals for secure assembly
- Dual voltage rated - 370/440 VAC for universal compatibility
- UL Listed - Meets all safety and quality standards
- Rugged construction - Built to last in harsh conditions
UL Listed
Ready to Simplify Your Capacitor Inventory?
Use our calculator to see exactly which pods you need for any job, or find a distributor near you to get started.