Goodman TTW

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Through-The-Wall (TTW) air conditioners and heat pumps offer a permanent, flush-mount climate control solution that preserves your window views and maintains architectural security. Engineered to slide directly into a dedicated wall sleeve, a premium TTW unit completely seals the building envelope while delivering powerful, localized thermal comfort. Whether you are replacing an aging hotel chassis, retrofitting a multi-family apartment, or introducing zoning to a home addition, this self-contained hardware provides a compact footprint with exceptional operational resilience.

At South Mini Splits, we supply a comprehensive inventory of heavy-duty through-the-wall systems built to endure years of continuous operation. Our curated catalog features industry-leading engineering from ACiQ, innovative plug-and-play designs from MRCOOL, and high-efficiency platforms from Perfect Aire and OLMO. Explore everything from simple cooling-only units to advanced mini-PTHP heat pumps that conquer both summer humidity and winter chills without a bulky outdoor condenser.

💡 Why Source Your Goodman TTW Systems From Us?

Understanding Goodman TTW

Our dedicated support specialists guide contractors, property managers, and homeowners to select TTW and specialized cooling configurations perfectly optimized for regional environmental macroclimates across the United States:

The Frozen Northeast & New England: Providing robust through-the-wall electric heat assemblies and mini-PTHPs designed to add reliable supplemental warmth in New York City, NY, Buffalo, NY, Yonkers, NY, Rochester, NY, Syracuse, NY, Albany, NY, Boston, MA, Worcester, MA, Springfield, MA, Cambridge, MA, Lowell, MA, Manchester, NH, Hartford, CT, New Haven, CT, Newark, NJ, Jersey City, NJ, and Baltimore, MD.

  • The High-Demand Midwest & Plains: Supplying heavy-duty sleeve units capable of transitioning seamlessly from intense summer mugginess to deep autumn chills across Chicago, IL, Aurora, IL, Joliet, IL, Naperville, IL, Rockford, IL, Springfield, IL, Detroit, MI, Grand Rapids, MI, Minneapolis, MN, St. Paul, MN, Indianapolis, IN, Fort Wayne, IN, Des_moines, IA, Wichita, KS, Kansas City, MO, St. Louis, MO, Omaha, NE, and Lincoln, NE.

  • The Sun-Drenched West Coast & Pacific Northwest: Offering energy-efficient, low-GWP options designed to fulfill local building mandates while keeping coastal or inland spaces perfectly balanced in Los Angeles, CA, San Diego, CA, San Francisco, CA, Sacramento, CA, San_jose, CA, Fresno, CA, Seattle, WA, Spokane, WA, Tacoma, WA, Portland, OR, Eugene, OR, Boise, ID, Denver, CO, and Colorado Springs, CO.

  • The Arid Southwest & Texas Interior: Providing robust localized cooling systems that thrive under high-ambient heat loads to protect properties throughout Phoenix, AZ, Tucson, AZ, Las Vegas, NV, Reno, NV, Albuquerque, NM, Santa Fe, NM, Houston, TX, Dallas, TX, Fort Worth, TX, Austin, TX, San Antonio, TX, Colleyville, TX, and Little Rock, AR.

  • The Humid Deep South & Coastal Boundaries: Providing units optimized for relentless latent heat extraction and reliable humidity control for homes, offices, and multi-family units in Miami, FL, Tampa, FL, Orlando, FL, St. Petersburg, FL, Jacksonville, FL, Atlanta, GA, Savannah, GA, Birmingham, AL, Montgomery, AL, Jackson, MS, New Orleans, LA, Baton Rouge, LA, and Wilmington, DE.

  • Remote Territories & Diverse Terrains: Ensuring specialized climate hardware functions beautifully under demanding operational parameters in Louisville, KY, Lexington, KY, Billings, MT, Portland, ME, Anchorage, AK, and Honolulu, HI.

    • Explore Our Specialized Through-The-Wall Lineup

    Achieving optimal indoor comfort requires matching the right chassis configurations to your specific zone. We carry a comprehensive range of specialized through-the-wall units designed to fit industry-standard dimensions:

    TTW Cooling-Only and Eco-Conscious Comfort

    For spaces that already feature central or hydronic baseline heating, cooling-only TTW units provide focused, cost-effective relief. Check out the value-packed perfect aire 8 000 btu thru the wall air conditioner 115v r32 doe or the highly requested perfect aire 10 000 btu thru the wall air conditioner 115v r32 doe. For spaces with higher voltage accessibility, browse the perfect aire 10 000 btu thru the wall air conditioner 230v r32 doe, the perfect aire 12 000 btu thru the wall air conditioner 115v r32 doe, or the perfect aire 12 000 btu thru the wall air conditioner 230v r32 doe. If you need maximum airflow for broader floor plans up to 700 square feet, the perfect aire 14 000 btu 230v through the wall air conditioner with remote control for spaces up to 700 sq ft offers unmatched output.

    From OLMO, we proudly stock dependable architectures like the olmo ttw air 8kbtu and the flexible of olmo ttwac 12k115v setup to fulfill standard wall-cutout applications effortlessly.

    TTW with Supplemental Electric Heat

    When seasonal transitions require a dual-action system, through-the-wall units with integrated electric heat strips provide localized warmth without requiring an external heat pump cycle. Explore elite choices such as the perfect aire 10 000 btu 230v through the wall air conditioner with 10 600 btu electric heater follow me remote control, the versatile perfect aire 12 000 btu 230v through the wall air conditioner with 10 600 btu electric heater follow me remote control, and the heavy-duty perfect aire 14 000 btu 230v through the wall air conditioner with 10 600 btu electric heater follow me remote control.

    Additionally, OLMO’s high-ambient heating series includes the compact 8k btu 115v 60hz ttwhs, the olmo ttwac 12k230vhs, the mid-size ttwac 12k230vwhs, the high-capacity olmo ttwacw hs14k, and the robust ttwachs 14k230v line.

    Advanced Mini-PTHP Through-The-Wall Heat Pumps

    For true, energy-efficient reverse-cycle heating and cooling, mini Packaged Terminal Heat Pumps (PTHPs) deliver significant utility savings compared to standard electric resistance coils. ACiQ leads this category with an exceptional line of true wall-sleeve heat pumps, including the aciq 8 000 btu 115v through the wall mini pthp heat pump unit, the aciq 10 000 btu 208 230v through the wall mini pthp heat pump unit, the highly efficient aciq 12 000 btu 208 230v through the wall mini pthp heat pump unit, and the ultra-powerful aciq 14 000 btu 208 230v through the wall mini pthp heat pump unit.

    Technical Engineering & System Alternates

    If your architectural layout presents complex zoning challenges, explore our alternative, high-efficiency equipment lines built to satisfy diverse structural footprints:

    Pre-Charged Assembly Lines: If you prefer an intuitive, tool-free installation, combine our diy-1 systems with specialized mrcool multi zone accessories, mrcool accessories 1/4-1/3, or mrcool accessories 3/8-5/8 pre-charged linesets to skip complex field vacuums.

     

    Mini Split BTU Sizing & Application Guide

    Use our quick reference chart to match your room size with the ideal system capacity.

    Capacity Sq. Footage Application
    6,000 BTU150–250Small bedrooms & offices
    9,000 BTU250–450Standard bedrooms
    12,000 BTU450–600Kitchens & studios
    18,000 BTU600–1,000Living rooms & garages
    24,000 BTU1,000–1,200Open floor plans
    36,000 BTU1,500–1,700Commercial & fitness
    48,000 BTU1,900–2,100Large warehouses
    60,000 BTU2,400–2,800+Commercial estates

    When to "Size Up"

    High Ceilings (10ft+)

    If your ceilings are 10 feet or higher, you are cooling a larger volume of air. We recommend increasing your BTU choice by 20%.

    Poor Insulation

    For older homes or buildings with single-pane windows, opt for the next size up to ensure the unit can maintain the set temperature.

    Kitchen Environments

    Appliances generate significant heat. If the unit is for a kitchen, add 4,000 BTUs to your square footage calculation.

    Heavy Sun Exposure

    Rooms with large south-facing windows or "sunrooms" act like greenhouses. Increase your BTU capacity by 10-15%

    Occupancy

    If the area regularly hosts more than two people (like a conference room or classroom), add 600 BTUs per additional person..

    Need Help Sizing?

    If you aren't sure which unit is right for your project, use our BTU Calculator or contact our USA-based support team for a custom recommendation.

    Open BTU Calculator

    Frequently Asked Questions

    A: Generally, no. Window air conditioners are designed with side vents to draw in and exhaust air through the sides of the cabinet that protrude outside the window frame. If you slide a window unit into a solid wall sleeve, those side vents will be blocked, causing the compressor to overheat and fail prematurely. True through-the-wall (TTW) units vent entirely through the rear of the chassis, making them completely safe for solid wall sleeves.

    A: Most through-the-wall air conditioners feature a standard width of 24 inches. Before purchasing a replacement chassis, measure the precise inner height, width, and depth of your existing metal sleeve. Many of our premium Perfect Aire and OLMO units include universal trim plates to fill small perimeter gaps and ensure a clean, drafts-free fit inside existing standard sleeves.

    A: TTW units with electric heat use electric resistance strips (similar to a large space heater or toaster) to generate warmth. They are highly reliable and low-cost upfront but consume more energy. A mini-PTHP heat pump utilizes a reversing valve to pull ambient thermal energy from the outdoor air and move it indoors. This reverse refrigeration cycle is drastically more energy-efficient, lowering seasonal utility costs during chilly months.

    A: Most modern through-the-wall units utilize a specialized slinger ring on the outdoor fan blade. This ring picks up the condensation that collects in the base pan and slashes it against the hot condenser coils, evaporating the moisture naturally into the outdoor air. In incredibly humid climates, excess water may drain safely from the rear exterior of the sleeve, meaning no interior condensate line or pump is required.

    A: Yes, but it requires proper structural framing. Installing a TTW sleeve requires cutting through the interior drywall, exterior siding, and structural studs. Just like framing a window, a proper header must be installed above the wall opening to bear the structural load of the wall safely. Always consult with a licensed contractor or builder to ensure structural integrity and proper flashing against rain intrusion.