How much does a 26kW standby generator cost installed?

For the Kohler 26RCA specifically, the recorded turnkey band is $11,500–$15,500 installed (midpoint ~$13,500) — unit, 200A ATS, electrical work, gas plumbing, and site prep. The standby hub's tier bands cover the wider 20–26kW class.

How much is the Kohler 26RCA unit itself?

About $7,400 — a reported range of $7,100–$7,700 — with a unit + 200A ATS bundle at $8,200–$9,000 (dealer listings, low-confidence aggregate).

How much does the Kohler 26RCA Standby Generator cost installed?

Expect roughly $13,500 installed, including the unit, automatic transfer switch, electrical work, gas plumbing, and site prep. Your local quote varies with the length of the gas and electrical runs and any panel upgrades.

Is the Kohler 26RCA Standby Generator enough to power a whole house?

Larger residential air-cooled standby generator, 26 kW class (derates to ~22 kW on some configurations), aluminum enclosure. Whole-house coverage depends on your load calculation; a licensed installer will size it against your panel and largest appliances.

What does the Kohler 26RCA Standby Generator cost to run?

Running cost depends on fuel and load. On natural gas, expect roughly $20–$60 per day of continuous operation for an air-cooled unit, plus a few dollars a month for weekly self-tests and $200–$500 a year for maintenance.

Kohler 26RCA Standby Generator cost & price guide

Updated September 2026

Standby generator installed beside a home

The Kohler 26RCA runs about $7,400 for the unit — a reported range of $7,100–$7,700 — with a unit + 200A ATS bundle at $8,200–$9,000 and a turnkey installed band of $11,500–$15,500 (published midpoint $13,500). It is Kohler's larger residential air-cooled unit: 26 kW rated, derating to ~22 kW on some natural-gas/three-phase configurations, in an aluminum enclosure — and it's also sold as the 26RCA-QS (quiet series).

What you should expect to pay

MSRP: Not published
Unit (est.): $7,400
Installed (est.): ~$13,500
90-day low: —

Unit-only range reported $7,100-$7,700 (midpoint 7,400). Unit + 200A ATS bundle $8,200-$9,000. Turnkey installed $11,500-$15,500.

Confidence: low · Data as of 2026-09-17

MSRP: Not published
Unit (est.): $7,400 (range $7,100–$7,700)
Unit + 200A ATS: $8,200–$9,000
Turnkey installed: $11,500–$15,500 (midpoint $13,500)
90-day low: —
Confidence: low · Data as of 2026-09-17

Cost to install

The dataset records a turnkey installed band for the 26RCA: $11,500–$15,500 (published midpoint ~$13,500), covering the unit, the 200A automatic transfer switch, the electrical work between switch and panel, the gas plumbing run, the concrete pad and site prep, and the municipal permit. Installation typically runs $4,000–$9,000 on top of the unit per the standby hub's cost drivers, and complex installs with panel upgrades or long gas runs can exceed $10,000 — which is exactly where a 26kW unit lands in the turnkey band above.

Reported prices

$7,100 (low) — Unit only, low end.
$13,500 (other) — Turnkey installed midpoint ($11,500-$15,500).

Observation row kohler-26rca (sources: Ferguson Home, Electric Generators Direct, Norwall PowerSystems dealer listings).

Specs

Rated Output Kw: 26
Derated Output Kw: 22
Fuel Options: natural gas, liquid propane
Cooling: air-cooled
Enclosure: aluminum
Transfer Switch A: 200
Typical Home Sqft: 3500+

Where to buy

Electric Generators Direct — Specialist retailer, broad air- and liquid-cooled stock
Home Depot — Generac and other air-cooled models, often in stock
Lowe's — Generac and Briggs & Stratton, in-store pickup
Generac (manufacturer) — Find a certified dealer for installed quotes

Frequently asked questions

How much does a 26kW standby generator cost installed?: For the Kohler 26RCA specifically, the recorded turnkey band is $11,500–$15,500 installed (midpoint ~$13,500) — unit, 200A ATS, electrical work, gas plumbing, and site prep. The standby hub's tier bands cover the wider 20–26kW class.
How much is the Kohler 26RCA unit itself?: About $7,400 — a reported range of $7,100–$7,700 — with a unit + 200A ATS bundle at $8,200–$9,000 (dealer listings, low-confidence aggregate).
How much does the Kohler 26RCA Standby Generator cost installed?: Expect roughly $13,500 installed, including the unit, automatic transfer switch, electrical work, gas plumbing, and site prep. Your local quote varies with the length of the gas and electrical runs and any panel upgrades.
Is the Kohler 26RCA Standby Generator enough to power a whole house?: Larger residential air-cooled standby generator, 26 kW class (derates to ~22 kW on some configurations), aluminum enclosure. Whole-house coverage depends on your load calculation; a licensed installer will size it against your panel and largest appliances.
What does the Kohler 26RCA Standby Generator cost to run?: Running cost depends on fuel and load. On natural gas, expect roughly $20–$60 per day of continuous operation for an air-cooled unit, plus a few dollars a month for weekly self-tests and $200–$500 a year for maintenance.

Related guides

Whole-house standby generator cost — the standby hub: unit and installed cost at a glance, cost drivers, and model-by-model comparisons.
Roof replacement costs — installed cost per square for asphalt, metal, and tile roofs, plus tear-off and pitch.
Roof replacement cost calculator — estimate your own roof by size, material, tear-off layers, pitch, and stories.
Driveway & concrete flatwork costs — asphalt, concrete, and paver pricing per square foot; the same flatwork family as the poured pad your standby unit sits on.

Sources

Ferguson Home - Kohler Power Systems 26RCA (medium reliability)
Electric Generators Direct - Kohler 20-29 kW standby generators (medium reliability)
Norwall PowerSystems - Kohler generators (medium reliability)

About this data

Prices are aggregated from public dealer and retailer listings and are indicative, not quotes. Manufacturers often do not publish MSRP for dealer-installed equipment.

[medium] unverified: 2026-09-25 drift recheck: Ferguson product page (sole source for kohler-26rca unit-only $7,100 and turnkey $11,500-$15,500) returns 403 and no Wayback snapshot exists; Ziller collection page is a JS shell (no prices extractable). Could not re-verify either kohler-26rca price point this pass; treat as unverified until a live retailer capture is obtained.
[low] conflicting: 2026-10-01 recheck (Ferguson no longer blocking the whole row): Kohler 26RCA unit low $7,099 (EGD) exactly matches dataset low $7,100; Norwall lists the 26RCA unit at $8,049-$8,499, extending +10.4% above the dataset band top $7,700. Unit trims span wider than the dataset band; bundle band holds.