Keystone - 12,000 BTU Through the Wall Air Conditioner,EStar,115V, R32Thru-the-Wall - KSTAT12-1D

Keystone - 12,000 BTU Through the Wall Air Conditioner,EStar,115V, R32Thru-the-Wall - KSTAT12-1D

Stay cool and comfortable with Keystone's reliable air conditioning units, designed to provide consistent cooling even on the hottest days. The Keystone 12,000 BTU through-the-wall air conditioner effectively cools rooms up to 550 square feet while removing 2.5 pints of moisture per hour. Perfect for apartments, living rooms, and more, this unit features a unique remote with a built-in thermostat for precise temperature control. Enjoy money-saving features like energy saver mode and sleep mode, all while staying comfortable at a cost-conscious price. 

Features

• Reliable Air Conditioning: Provides consistent cooling for maximum comfort, suitable for medium-sized living spaces.
• Maximum Comfort: Offers 3 cooling modes, 3 fan speeds, and 4-way adjustable air louvers, along with efficient dehumidification.
• Space Saving Design: Wall-mounted installation with easy installation using the included standard universal interior trim kit.
• Smart Remote Control: Remote control with LCD screen displays room temperature and ensures accurate cooling.
• Powerful Cooling on a Budget: Energy-saving features like 'Energy Saver' and 'Sleep' mode help reduce energy consumption while maintaining comfort.
• Lifetime Phone Support: Accessible assistance for the lifetime of the appliance.
• Open 7 Days a Week: Customer service available every day for added convenience.
• Price Match Guarantee: Ensures you get the best deal.

Specifications

Downloads & Manual

• Specification Sheet
• Product Manual
• Installation Guide
• Warranty Guide
• Energy Guide
• CA Prop 65 Warning Label
• CA Prop 65 Retail POP
• Custom Spec Sheet

What our Experts Think

• Efficient Cooling: 12,000 BTU capacity effectively cools medium rooms (~450 sq ft), matching common search queries like “through the wall AC for living room.”

• Energy Star Certified: ENERGY STAR® rating ensures lower energy bills and aligns with “eco-friendly air conditioner” SEO terms.

• R32 Refrigerant: Eco-friendly refrigerant reduces environmental impact, appealing to environmentally conscious buyers.

• 115V Compatibility: Standard U.S. voltage support simplifies installation and reduces returns.

• Space-Saving Design: Through-the-wall installation keeps windows free, ideal for SEO phrases like “space-saving AC unit.”

• Quiet Operation: Reliable, low-noise performance enhances comfort and search relevance for “quiet through-the-wall AC.”

Q&A

Q: What room size is this 12,000 BTU wall air conditioner best for?
A: The Keystone KSTAT12-1D cools rooms up to 550 sq. ft., ideal for living rooms, master bedrooms, and apartments.

Q: What type of installation does it require?
A: This is a through-the-wall air conditioner designed for permanent wall installation (not for window use).

Q: What voltage does it use?
A: It operates on 115V, compatible with most standard household outlets.

Q: What refrigerant does this model use?
A: It uses R32 refrigerant, which offers improved efficiency and lower environmental impact compared to older refrigerants.

Q: Does it include a remote control?
A: Yes. It includes a remote control, programmable timer, multiple cooling modes, and fan speeds for customized comfort.

Q: Is it good for apartments or supplemental cooling?
A: Yes. It’s ideal for apartments, bedrooms, offices, and supplemental cooling, delivering reliable and consistent performance.

Maintenance Tips

• Clean the washable air filter every 30 days to maintain airflow and Energy Star efficiency

• Vacuum condenser and evaporator coils seasonally to improve cooling performance

• Keep the exterior rear grille clear of debris for proper ventilation

• Check wall sleeve fit and insulation to prevent air leaks and energy loss

• Ensure rear drainage openings remain unclogged to avoid water buildup

• Unplug and thoroughly clean the unit before seasonal shutdown to extend lifespan