115 Volt Single Zone Ductless Systems

Item No. M4THS22
Single-zone ductless systems deliver warm or cool air right where you need it. Whether you want to improve temperature control in specific rooms or to replace inefficient window units and space heaters, a ductless system offers a solution that’s not only flexible—it’s quiet, efficient, economical, and easy to install.
  • Available for installations in all regions
  • Quiet operations (28-36 db)
  • Handheld remote control included
  • Meets Energy Star® Requirements (9000 BTUH system only)
  • 9000 and 12000 BTUH models available


Ductless System
  • Available for installations in all regions (20-22 SEER)
  • 9000 and 12000 BTUH models available
  • Quiet indoor operation (28-36 db)
  • Hand held remote controller included
  • Inverter driven (Variable Speed Compressor)
  • Includes base pan heaters
  • Blue Fin Coastal coating
  • Meets Energy Star® Requirements (9000 BTUH system only)
  • AHRI Certified Systems

Product Specs

115 Volt Single Zone Ductless Systems

Outdoor Indoor SEER HSPF EER Cooling Capacity (BTUH) Heating Capacity (BTUH) Voltage Gas Line Liquid Line Max Overcurrent Protection
M4THS2209A91N* M4MHW2209A9N0* 22 9.8 13.2 9000 9500 115/60/1 3/8" 1/4" 30
M4THS2212A91N M4MHW2212A9N0 20 9.6 12 12000 13000 115/60/1 3/8" 1/4" 30

Energy Star rated system*

SEER, or Seasonal Energy Efficiency Ratio, measures how efficiently a unit can cool your home in the summer. The higher the SEER number, the less energy you'll use.

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RunTru Installation

Installed by a Preferred RunTru Dealer
  • Systems are installed by trained service technicians who know your equipment best.
  • Trained service technicians will also ensure that the installation confirms to local, state and national building codes.
Peace of Mind
  • Prior to installation, your RunTru service technician will perform a thorough evaluation of your home to ensure the perfect system fit.
  • After installation, your service technician will walk you through the features and functions of your new system, and answer any questions you might have.

Warranty Information

Relax. RunTru is backed by a Warranty you can trust.
  • RunTru offers coverage and peace of mind where it counts- with the hardest-working components of the system covered for the long haul.
Limited Parts Warranty
  • Equipment: Base Limited Warranty Period: 5 years Functional parts
  • If you do not register your RunTru system, it will be covered by our Base Limited Parts Warranty.
Registered Limited Parts Warranty
  • Equipment: Registered Limited Warranty Period: Functional Parts - 10 years; Heat Exchanger - 20 years
  • Cased Coils: 10 year Functional Parts Warranty, no registration required
  • Registered Limited Warranty terms are applicable if the products are registered within 60 days of installation.