Performance™ Commercial Ductless Highwall Heat Pump System

Quality Products Installed Professionally

Texas Air Mechanical has more than four decades of experience as boiler and HVAC installers. We guarantee the work we do, so you can benefit not only from our warranty, but the full manufacturer’s warranty too. If you know you need a new system for your home or business, call us today to request an estimate.


Brands You Know & Trust

Quality really does make a difference in how a unit operates and lasts. That’s why we’ve carefully chosen the brands of boilers and HVAC systems we sell and install. Our manufacturer partners include:

  • Rheem
  • Carrier
  • Trane
  • Lennox
  • York
  • Pacific Steam Boilers
  • SUSSMan Boilers
  • Reimers Boilers
  • Goodman

These names offer exceptional quality and stand behind their products with industry-leading warranties.




Why Choose Texas Air Mechanical as Your Boiler & HVAC Installers

We know there are many companies in the DFW Metro area that are boiler and HVAC installers, but few have the expertise of Texas Air Mechanical. All our technicians are licensed and factory-certified. Before we provide you with a quote for a new unit, we’ll evaluate your home or facility to determine the right type and size system. We’ll then provide you several options based on your preference, needs and budget.

You’ll find that when you choose us as your HVAC installers, all work is done in accordance with not only the manufacturer’s instructions, but also local and state code. We want to ensure that your new system is properly installed so you benefit from the full factory warranty in addition to our installation guarantee.

Because we’re locally owned and operated, we truly care about our reputation. Texas Air Mechanical is A+ rated by the Better Business Bureau, and we also have countless five-star reviews from our residential and commercial customers.


Get in Touch Today

If you’d like to request a quote, call Texas Air Mechanical to schedule your appointment. We accept most major credit cards and offer several convenient financing options for residential services. Contact us today by calling (972) 284-0584 or filling out our contact form. Se habla español.


Performance™ Commercial Ductless Highwall Heat Pump System


Model: 38QRF/40QNQ

Commercial Hvac Companies Keller Tx Gas Ductless Logo 18

  • Category Price: $$
  • Product Line: Ductless – Perfomance Commercial Series
  • Cooling Efficiency: 13.0 SEER
  • Heating Efficiency: 7.7 HSPF
  • Comfort Features: Better
  • Efficiency: 13.0 SEER/7.7 HSPF
  • Application: Commercial
  • Purpose: Heating and cooling
  • Type: Single room
  • Mount: High Wall
  • Cooling SEER: 13
  • ENERGY STAR® Qualified: Not ENERGY STAR® qualified



  • Number of indoor fan speeds: 3
  • Summer Dehumidification: True
  • Sound Level: 38 decibels
  • Sound Level Range: 55 decibels
  • Wireless Remote: True
  • Compressor Type: Single-stage scroll
  • Proposition 65 Product Warnings: 343824 – 2 Lead and Lead Compounds

Performance series models offer the perfect balance of features versus price. With line lengths of up to 200′, this wall-mounted, heat pump system can go just about anywhere.

It’s designed for dependable temperature control year round with options to extend cooling through the dead of winter if needed. Use it to cool interior hot spaces like computer rooms when temperatures outside are above 55°F or add the extended range cooling kit and you can use this unit to cool even in extreme outdoor temps down to -20°F.

As a heat pump, you can use it to provide warmth when outdoor temperatures range from 17 to 75°F. Its single-stage scroll compressor is a proven workhorse for delivering dependable cooling year after year.


  • 13 SEER cooling efficiency
  • 7.7 HSPF heating efficiency
  • Line lengths up to 200′
  • Single-stage scroll compressor
  • 3 indoor unit fan speeds
  • Motorized louver allows fixed or oscillating motion
  • Specific temperature setting adjustments from 62-84°F
  • Auto restart after power failure
  • Indoor sound: as low as 38 decibels1
  • Dehumidification mode
  • Washable filters
  • System diagnostics
  • 5-year parts limited and 7-year compressor limited warranties2



  • Wireless remote control standard
  • Sleep mode
  • Up to 24-hour start/stop timer



  • Extended range cooling kit


Quietest size within each model group during low fan-speed operation

To the original owner, 5-year parts and 7-year compressor limited warranties are available when product is used in an owner-occupied residence. For other applications a 1-year parts and 5-year compressor limited warranties apply. See warranty certificate for details.


  • 13 SEER
  • Up to 11.7 EER
  • 7.7 HSPF



  • 3 indoor fan speeds
  • Indoor sound: as low as 38 decibels1
  • Outdoor sound: as low as 55 decibels2
  • Auto restart after power failure



  • Cooling mode Min-Max DB: 55-125°F (-20°F Min with extended range cooling kit)
  • Heating mode Min-Max DB: 17-75°F



  • Up to 200′



  • Single-stage scroll compressor
  • System protecting high pressure and loss of charge switches
  • Current protection
  • Sound reduction: isolated compressor
  • Diagnostics intelligence
  • Recommended controls: wireless remote (included) or optional wired control 33MC-URC



  • 1.5-3 ton



  • 1.5-3 ton 208-230 V (outdoor unit)
  • 3 ton unit 460 V (outdoor unit)
  • 208-230 V (indoor unit)



  • Heavy-gauge, galvanized steel construction (outdoor unit)
  • Primed and coated with a 100% coverage, baked-enamel finish in gray (outdoor unit)
  • Modern, flat panel indoor unit in white COMPARE TO OTHER MODELS

Quietest size within each model group during low fan-speed operation.

Quietest size within each model group during most common cooling operating condition.