Custom Engineering, LLC Heating & Cooling for Residential and Commercial
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TWE-E Air Handlerline graphic

TWE-E Air Handler Benefits

  • Peace and Quiet Comfort
  • Optimum Humidity Control
  • Cleaner Air
  • Even Temperature Throughout 
  • Lower Energy Costs
  • Models for R22 and R410A Refrigerants 
  • Five-Year Limited Warranty on internal functional parts on units installed after October 1, 2001, and manufactured after January 1, 2000. Earlier installations have One-Year Parts Warranty. 
  • Optional Extended Warranties available. Extended Warranties cover labor, refrigerant, and other costs not covered by manufacturer limited warranty, so you are covered for all parts and labor for the lifetime of the warranties. 
  • If you have an Air Handler installed at the same time as a XL or XLi outdoor condensing unit, those units will be covered for 10 years on internal functional parts as part of the Outdoor Unit System Warranty when installed after October 1, 2001. Earlier installations have Two-Year Parts Warranty. 
  • Ask your dealer for full warranty information at time of purchase 
Plus, Comfort-R™ Benefits
  • Optimum Comfort
  • Increased Dehumidification in Cooling
  • Warm Air Heating
  • Selectable Airflow


Model (BTUH) Height Width Depth
TWE031E13F 31,000 43 21.5 21
TWE037E13F 37,000 45 23.5 21
TWE040E13F 40,000 52 26 21
TWE049E13F 49,000 58 26 21
TWE065E13F 65,000 63 26 21
TWE062E13F 64,000 63 26 21

(Uses R410A Refrigerant)

Model (BTUH) Height Width Depth
4TEP3F18A 18,000 43 22 21
4TEP3F24A 24,000 43 22 21
4TEP3F30A 30,000 43 22 21
4TEP3F36A 36,000 45 22 21
4TEP3F42A 42,000 52 24 21
4TEP3F48A 48,000 57 26 21
4TEP3F60A 60,000 63 26 21


The Home Comfort Pop Quizline graphic

  1. Do you hear your system “kick on”?
  2. When it does, do you feel a blast of air?
  3. Does the fan noise drown out your voice during a phone call?
  4. Does the temperature in your home go up and down like a roller coaster?
  5. Does your home feel damp inside?
  6. Do your cooling bills make you break out in a sweat?


If you answered “yes” to at least two of these questions, then you should investigate a Trane variable speed air handler.line graphic

 Why? Because it offers your family a superior level of comfort. Once you’ve experienced it, you’ll wonder how you lived without it for so long. 

So what’s the difference? Inside your air handler is an electric motor that drives the indoor blower. In most standard systems, it runs at only one speed—full capacity—and is either on or off. Trane’s variable speed motor, however, is smarter than that. It automatically varies its speed based on your home’s heating and cooling requirements. It ramps up to maximum speed slowly instead of coming on full capacity all at once. This means there’s no sudden blast of air—just a gentler, more even airflow. And because it runs at a lower speed most of the time, there’s less noise. 

The Air-Tite™ Featuresline graphic

 Trane’s variable speed air handler is specifically designed for unconditioned spaces. It maximizes efficiency because of its exclusive “air-tite” construction. Its special insulation, door gaskets and thermal seals make that much difference in effectively sealing in conditioned air. And, of course, increased efficiency means operating cost savings to you. 

Wait, There’s More Good Newsline graphic

 You know how miserable humidity can make you feel. Well, with a Trane variable speed air handler you can reduce the humidity in your home, giving you and your family a more comfortable environment. 

In fact, you’d probably be amazed to find out just how much moisture is in your home. Consider this: a Trane variable speed air handler can remove up to 24 gallons a day in some climates. 

That’s the beauty of variable speed technology—and when matched with any of Trane’s XL or XLi series outdoor units, it gives you a level of comfort you’ve never experienced, and saves you money in the process.

Potential energy savings may vary depending on your personal lifestyle, system settings, equipment maintenance, local climate, actual construction, and installation of equipment and duct system.

As part of our continuous product improvement, Trane reserves the right to change specifications and design without notice. Read important energy cost and efficiency information available from your dealer.
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Custom Engineering, LLC - 990 S. Huron Rd. Linwood, Michigan 48634
(989) 697-3444 -- 800-732-6343
Updated - June, 2019- Web site designed and maintained by