Cummins RS20A Nat/Lp Gas Air-Cooled Quiet Connect™ Series Residential Home Standby Generator
Cummins home generators are trusted for reliable, durable, and powerful units for your home or small business, providing security and confidence that you can weather any storm without losing critical power.  To see spec sheets for these generators, please click on an application below.
For more on our home standby generators, READ BELOW
Download RS13 - RS 20 Data Sheet
Download Quiet Connect Brochure
Download Residential Buyers Guide
Download Storm Prepare Guide
Why choose a Cummins Home Generator?
Feel the security of having a global power leader in your own backyard with a Cummins whole house generator. Be prepared for outages with pioneering standby power.
Quiet operation
Patented sound attenuation technology makes Cummins generators quiet and neighborhood friendly. 
Reliable backup
When utility power fails, your home backup power starts automatically with ATS technology.
Remote monitoring
Observe and control your standby generator from anywhere with your mobile device.
10-year warranty
Cost-effective extended warranty options allow for full coverage up to 10 years.
Discover what size generator you need for your home
Find the Cummins whole house generator right for your home standby needs. What you’ll need to calculate your generator size:
Home square footage
Home essential units (heating, cooling, garage, pumps)
Family essential units (kitchen appliances, laundry appliances)
Spa units (hot tub, pool, sauna)