Kohler Standby Generator 26KW 120/240V Single Phase with Cold Weather Kit New - 26RCA-QS50
Our most popular generators for backup power provide award-winning reliability and performance. When you lose power during an outage or storm, a hard-working 14/20/26 kW KOHLER generator keeps your appliances working, the heat or AC running and your security system on. Included with a cold weather kit.
KOHLER generators are designed to provide reliable power and are equipped with a heavy-duty, commercial-grade engine that stands up to harsh weather conditions. With the ability to power a 5-ton (60,000 BTU) air conditioner, major appliances, and electronics in just 10 seconds, these premium generators are backed by a 5-year, 2,000-hour warranty and have won awards, including the MVP Award 2010 by Building Products magazine
What our Experts Think
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Reliable whole‑home standby power (26 kW)
Balances strong output for larger homes and critical circuits—keeping HVAC, appliances, and electronics running during outages. 26 kW on LP and 24 kW on NG ensures broad coverage for essential loads.
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Cold weather kit included
Factory‑installed cold weather kit improves cold‑climate starting and reliability, helping the engine start and run smoothly in low temperatures without extra accessories.
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Fast automatic response (~10 sec)
Senses utility failure and restores power quickly, minimizing downtime with fast, seamless transition to backup power.
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PowerBoost™ for heavy loads
Enhanced motor‑starting capacity allows central AC, heat pumps, and other large loads to start without dropping power to other circuits.
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Clean, stable power quality
Premium voltage and frequency regulation with low harmonic distortion protects sensitive electronics and smart home gear.
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Smart monitoring ready
Compatible with remote monitoring systems (OnCue® Plus & app) so you can track status and alerts from your phone or tablet.
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Quiet operation & rugged build
Aluminum sound‑attenuated enclosure meets neighborhood sound standards (~56–67 dB) and is rated for high winds and weather exposure.
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Dual‑fuel flexibility
Works on natural gas or propane, giving you fuel choice and continuity during long outages.
Q&A
Q: What power output does this generator deliver?
A: It provides 26 kW (LP) / 24 kW (NG) continuous standby power at 120/240 V single‑phase, ideal for whole‑home backup and essential loads.
Q: What applications is this generator best for?
A: Designed for residential and light commercial standby power, it can support central HVAC, refrigerators, lighting, pumps, and electronics during outages.
Q: What fuel types can it use?
A: Runs on natural gas or liquid propane (LP) with field‑convertible fuel options.
Q: Does it include a cold weather kit?
A: Yes — included factory‑installed cold weather kit helps ensure dependable starts and operation in low temperatures.
Q: How quickly does it restore power after an outage?
A: Automatically restores power in about 10 seconds with an automatic transfer switch (sold separately).
Q: What engine and performance features does it have?
A: Equipped with a KOHLER Command PRO® V‑2 engine, PowerBoost™ motor‑starting tech, and premium digital voltage/frequency regulation for clean, reliable power that’s safe for sensitive electronics.
Q: Can I monitor it remotely?
A: Yes — compatible with KOHLER Energy Management App for real‑time status and alerts.
Q: How quiet and durable is it?
A: Features a corrosion‑proof aluminum enclosure with sound‑attenuated operation, allowing installation close to structures with low noise impact.
Maintenance Tips
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Oil & Filter Changes: Replace engine oil every 100–200 hours or annually to protect the engine and ensure smooth operation.
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Cold Weather Kit Care: Check block heater and battery heater functionality before winter to ensure reliable cold-start performance.
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Inspect Coolant System: Maintain proper levels and flush periodically to prevent overheating of the liquid-cooled engine.
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Air Filter & Spark Plugs: Clean or replace regularly for efficient combustion, reliable starts, and optimal fuel efficiency.
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Run Weekly Exercise Cycle: Automatic test runs keep internal components lubricated and generator ready for outages.
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Test Under Load: Confirm stable voltage and frequency to protect sensitive electronics and maintain full performance.
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Fuel System Check (NG/LP): Ensure clean lines and stable fuel supply for uninterrupted operation.
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Battery & Electrical Connections: Verify battery charge and terminal condition for reliable automatic startup.
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Enclosure Maintenance: Keep the corrosion-resistant aluminum enclosure clean and properly ventilated to prevent overheating.
