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Keystone Manuals & User Guides

A diverse brand name encompassing home comfort appliances (ACs, dehumidifiers), recreational vehicles (Keystone RV), and lighting technologies.

Tip: include the full model number printed on your Keystone label for the best match.

About Keystone manuals on Manuals.plus

Keystone is a brand name shared by several distinct manufacturers across different industries. Most commonly for consumer support, Keystone Home Comfort refers to a line of residential air conditioners, portable ACs, and dehumidifiers distributed by Almo Corporation, known for reliable and affordable climate control solutions.

This category also includes documents for Keystone RV Company, a leading manufacturer of towable recreational vehicles such as travel trailers and fifth wheels. Additionally, Keystone Technologies produces lighting components, and Keystone Industries manufactures dental products. Please identify your specific product type to use the contact information below correctly.

Keystone manuals

Latest manuals from manuals+ curated for this brand.

KEYSTONE RV Inverter 3000W Pure Sine Hybrid User Guide

September 24, 2025
KEYSTONE RV Inverter 3000W Pure Sine Hybrid Specifications Manufacturer: Keystone RV Company Divisions: Dutchmen, CrossRoads/Redwood Warranty Coverage: Limited Base Warranty, Structural Warranty Warranty Period: One-Year (Two-Year for Redwood Brand) Product…

Keystone kstat102e_1 Air Conditioner User Manual

April 10, 2025
kstat102e_1 Air Conditioner Specifications Model: Remote Control Rated Voltage: Standard Signal Receiving Range: Standard Environment: Indoor Product Usage Instructions Handling the Remote Control Inserting and Replacing Batteries Your air conditioning…

Keystone KSTAP051PA Air Conditioner User Manual

January 21, 2025
Keystone KSTAP051PA Air Conditioner User Manual IMPORTANT NOTE Before using your air conditioner, please read this manual carefully and keep it for future reference. Safety Precautions Read Safety Precautions Before…

Keystone KSTAT08-1D Room Air Conditioner User Manual

January 20, 2025
Keystone KSTAT08-1D Room Air Conditioner User Manual Introduction The Keystone KSTAT08-1D is a powerful and reliable window-mounted air conditioning unit designed to provide efficient cooling for rooms up to 350…

Keystone Remote Control User Manual

User Manual
Comprehensive user manual for the Keystone remote control, detailing specifications, functions, basic and advanced operations, and compliance information for air conditioning units.

Keystone OEM Guide: LED Lighting Components & Fixtures

OEM Guide
Comprehensive OEM guide from Keystone featuring a wide range of LED lighting components, including LED light engines, drivers, modules, tubes, and fixtures. Explore specifications, compatibility, and product details for OEM…

Keystone manuals from online retailers

Keystone 50-Pint Portable Dehumidifier User Manual

KSTAD504E • August 19, 2025
Comprehensive user manual for the Keystone 50-Pint Portable Dehumidifier (Model KSTAD504E), covering setup, operation, maintenance, troubleshooting, and specifications for optimal moisture control in large rooms.

Keystone 50-Pint Portable Dehumidifier User Manual

KSTAD504F • August 19, 2025
This manual provides instructions for the Keystone 50-Pint Portable Dehumidifier, model KSTAD504F, designed to effectively remove moisture from large spaces up to 4,500 sq.ft. It features a convenient…

Keystone support FAQ

Common questions about manuals, registration, and support for this brand.

  • Who do I contact for Keystone legacy air conditioner support?

    For Keystone Home Comfort appliances (ACs and Dehumidifiers), please contact customer support at 1-800-849-1112 or email keystonecs@keystone-products.com.

  • Where can I find Keystone RV owner's manuals?

    Keystone RV manuals are available on the official Keystone RV website under the Owners section, or browse the files available on this page.

  • Is Keystone a single company?

    No. 'Keystone' is a name used by multiple separate entities, including Keystone RV (Recreational Vehicles), Keystone Technologies (Lighting), and Keystone Appliances (Home Comfort). Check your product label to confirm the manufacturer.