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SKU: 1330017

Kohler 12kW Home Generator 12RESV

$8,397.00

The Kohler 12RESV 12kW is a great compact, entry level solution to keep the essentials powered when you need them. KOHLER’s PowerBoost technology provides power to start large loads such as central air conditioners without dropping power to other major appliances and electronics.

Kohler 12kw Standby Generator 12RESV-QS8

The Kohler 12RESV Home Standby 12kW Generator delivers reliable whole-home backup power in a compact, modern, and installation-friendly design. Engineered for today’s sensitive electronics, it provides clean, stable power with less than 5% total harmonic distortion – protecting appliances, HVAC systems, computers, and smart-home technology during outages. Featuring Kohler’s bold steel enclosure, quiet performance, and automatic startup within seconds, the RESV is a proven choice for homeowners who want dependable protection and minimal maintenance.
Looking for the 10kW Generator? Click Here for the 10RESV-QS8.

12RESV-QS8 Specifications:

  • Weight: 433 lbs
  • Dimensions: 30.6 × 28 × 32.4 in
  • Item Type: Standby Generator
  • Watts: 12000
  • Fuel: LP / NG
  • Voltage: 120-240 V
  • Included: Remote monitoring
  • RPM: 3600

Canada-Wide Shipping

Small Items

Rates are calculated at checkout based on weight and dimensions. These items are typically shipped directly to your delivery address via national carriers or 3rd-party couriers.

Medium and Large Items

Terminal Pick-up: This option requires you to arrange transportation of the ordered item(s) from one of our partner terminals to your final destination. We’ll provide the pick-up terminal location via email and/or phone before shipping.

Local Delivery: We offer delivery to the shipping address provided at checkout. Your ordered item(s) will be shipped via one of our LTL freight partners, who will contact you to schedule delivery.

View our shipping policy for full details

Return Policy

We offer a hassle-free 7-day return policy. Within the initial 7 days from the purchase date, if you change your mind or find an alternative, we’ll accept returned products and issue a full refund, subject to the Return Product Eligibility criteria outlined in our full Return Policy page.

Product Purchasing FAQs

Wickenheiser Mechanical supplies products to homeowners, DIYers, businesses and contractors. You do not need to be a licensed professional to purchase products from this site, however some or all of an item’s warranty may be voided if the product is not installed and commissioned by a qualified professional. Some types of products must be installed & commissioned exclusively by a qualified professional. It is up to the buyer to understand and adhere to all local laws, building codes, and regulations when installing equipment.

Compatibility depends on your existing equipment, fuel source, sizing, controls, venting, and application requirements. Our experienced team has been helping home owners, DIYers and  service professionals across Canada for decades. If you have specific questions, feel free to contact us if you want help confirming fit before ordering.

We do everything possible to maintain accurate inventory status, however occasionally an item might unknowingly become unavailable. In those instances we will reach out to discuss an alternative product or refund. You can also contact us for the most current availability if you need confirmation before placing an order or if your project is time-sensitive.

Yes. Most boilers, HVAC products, and other related supplies can be shipped within Canada, though a small number of product lines are restricted to certain markets within Canada (noted in the product description). Smaller items are typically delivered directly to your delivery address via standard carriers like Canada Post or Purolator. Larger products are delivered via freight for terminal pickup or local delivery. Shipping times and requirements requirements may vary based on product size, stock status, and delivery location. View our full shipping policy here.

We do everything possible to ensure your purchase ships fast. Shipping timelines vary by manufacturer, stock availability, and destination. Smaller in-stock items may ship more quickly, while larger equipment or special-order products may require additional lead time. 

We offer a hassle-free 7-day return policy. Within the initial 7 days from the purchase date, if you change your mind or find an alternative, we’ll accept returned products and issue a full refund, subject to the Return Product Eligibility criteria outlined on our return policy page.

After the initial 7-day period, we provide an additional 83-day return window for all products with a mandatory 25% restocking fee, contingent upon meeting the Return Product Eligibility criteria.

Please note that some custom solutions are not eligible for return.

Return shipping costs will be arranged on a case-by-case basis. Contact us directly for return assistance and eligibility verification.

We offer a hassle-free 7-day return policy. Within the initial 7 days from the purchase date, if you change your mind or find an alternative, we’ll accept returned products and issue a full refund, subject to the Return Product Eligibility criteria outlined on our return policy page.

After the initial 7-day period, we provide an additional 83-day return window for all products with a mandatory 25% restocking fee, contingent upon meeting the Return Product Eligibility criteria.

Please note that some custom solutions are not eligible for return.

Return shipping costs will be arranged on a case-by-case basis. Contact us directly for return assistance and eligibility verification.

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If you have a question about heating, cooling or air quality matters, just ask our experts. We’re here to help! Please fill the form to ask your question.