A standby generator under 15 kW keeps the fridge, freezer, furnace, well or sump pump, lights and outlets running. Paired with an essential-circuits switch or load management, it can also run a small air conditioner, and it costs less to buy and install than a whole-house unit.
Prices were last checked November 1, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Full ranking 8
- Champion 12.5kW Home Standby#1 of 8Full review
For homes that want essentials backed up automatically at a low price and a long parts warranty.
Norwall $4,199$4,19912.5 kW11 kW63 dBA - Champion 14kW aXis#2 of 8Full review
For budget buyers who want a whole-house switch and a long warranty for essentials and a small air conditioner.
Norwall $4,999$4,99914 kW12.5 kW62 dBA - Champion 8.5kW Home Standby#3 of 8Full review
For small homes or cabins that need a few essential circuits backed up automatically on a tight budget.
Norwall $3,299$3,2998.5 kW7.5 kW59.5 dBA - Generac 10kW Standby 7321#4 of 8Full review
For smaller homes that only need the fridge, furnace, well pump and lights during an outage, at a low price.
Amazon $3,896.10$3,896.1010 kW9 kW61 dBA - Generac 14kW Standby 7323#5 of 8Full review
For homes that want essentials and a small air conditioner covered, with Generac’s cellular monitoring.
Amazon $5,255.10$5,255.1014 kW14 kW65 dBA - Cummins Quiet Connect RS13A 13kW#6 of 8Full review
For homes on natural gas that want essentials covered by a quiet, well supported brand with monitoring included.
Norwall $5,384.39$5,384.3913 kW13 kW65 dBA - Briggs & Stratton PowerProtect 13kW#7 of 8Full review
For buyers covering essentials who already have, or will buy, a separate transfer switch and want a long warranty.
Norwall $4,460$4,46013 kW11.5 kW69 dBA - Kohler 14RCAL 14kW#8 of 8Full review
For homes that want essentials plus one air conditioner managed automatically, with a full parts and labor warranty.
Norwall $5,899$5,89914 kW12 kW69 dBA
