





Cummins RS20A QuietConnect™ 20kW Whole House Generator
Whole house coverage for homes up to 2,000 square feet; or, managed whole house coverage for homes up to 3,000 square feet
✅ IN STOCK - Ready to Ship
Cummins Air-Cooled Generators - The Quietest Air-Cooled Generators!
Why Choose the RS20A QuietConnect™?
When the power goes out, your family shouldn't have to. The Cummins RS20A QuietConnect™ delivers reliable backup power that keeps your entire home running smoothly, from essential lighting and appliances to your air conditioning system. With whisper-quiet operation and smart technology that manages your home's power automatically, you'll barely notice it's there – until you need it most.
What Makes This Generator Special?
Whisper-Quiet Performance - At just 65 decibels from 23 feet away, the RS20A runs quieter than most dishwashers. Your neighbors will thank you, and you'll enjoy peaceful power backup that won't disrupt your daily life.
Smart Power Management - Never worry about overloading again. The built-in intelligent load management system automatically prioritizes your most important appliances and can seamlessly manage power between two 5-ton air conditioning units, ensuring your home stays comfortable even during extended outages.
All-Weather Reliability - Engineered to start and run in temperatures as low as 0°F right out of the box. The durable aluminum enclosure with galvanized steel interior is built to withstand winds up to 180 mph, protecting your investment through any storm.
Stay Connected from Anywhere - Monitor your generator's status, run diagnostics, and receive alerts directly on your smartphone using the free Cummins app. Connected to your home's WiFi, you'll always know your backup power is ready when you need it.
Perfect Power Coverage for Your Home
The RS20A provides comprehensive whole-house power for homes up to 2,000 square feet, including:
- All lights and electrical outlets
- Refrigerators and freezers
- Heating and cooling systems
- Water heater and well pump
- Home security systems
- Essential appliances and electronics
Powerful Motor Starting Capability: Easily starts and runs a 5-ton air conditioner or intelligently manages loads between two 5-ton AC units.
Flexible Fuel Options
Choose what works best for your home:
- Natural Gas (NG): Connect to your existing gas line for unlimited runtime
- Propane (LP): Use with propane tanks for portable fuel storage
Smart Installation Design
The compact design meets NFPA 37 standards, allowing installation as close as 24 inches from your home's structure. This space-saving feature gives you more flexibility in placement while maintaining safety standards.
Peace of Mind Protection
5-Year/2,000-Hour Warranty – Whichever comes first, with optional extended warranty coverage up to 10 years available.
EPA Emissions Certified & UL 2200 Listed – Meeting the highest environmental and safety standards for residential generators.
Technical Specifications
- Power Output: 20kW
- Noise Level: 65dB(A) at 23 feet
- Operating Temperature: Down to 0°F
- Wind Rating: 180 mph
- Fuel Types: Natural gas or propane
- Load Management: Up to 4 non-essential loads
- Warranty: 5 years or 2,000 hours
What's Included
- Cummins RS20A QuietConnect™ Generator
- Built-in remote monitoring capability
- Generator-mounted display panel
- Self-diagnostic system
- Flexible exercise scheduling
- Free Cummins mobile app
Note: Automatic Transfer Switch sold separately and required for installation.
Ready to Protect Your Home?
The Cummins RS20A QuietConnect™ is in stock and ready to ship. Don't wait for the next power outage to wish you had reliable backup power.
Professional installation recommended and may be required for warranty coverage.
NOTE: Transfer Switch not included. Click here to view the RS20AC bundle which includes a 200-Amp Service Entrance Rated Transfer Switch.
DOWNLOADS:
Brand |
Cummins |
---|---|
Style |
Air-Cooled |
Rated Watts |
20,000 LP, 18,000 NG |
Rated Amps |
75/83.3 @ 60hz |
Engine |
Naturally aspirated V-Twin |
Voltage |
120/240V Single-Phase |
Fuel Type |
Natural Gas or LP |
Dimensions (Inches) |
34.1"L x 36"W x 27.3"H |
Model |
A071Z397 |
Manufacturer |
Cummins |
Rated kW LP |
20,000 |
Rated kW NG |
18,000 |