Silver XI Heat Pump

Silver XI Heat Pump

A reliable, energy efficient heat pump for quiet home comfort.

  • Solid efficiency
  • Consistent comfort through single-stage heating and cooling
  • Peace of mind that's easy on your wallet


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  • Saves up to 47 percent on your heating and cooling energy usage while reducing greenhouse gas emissions* by significantly surpassing government efficiency standards
  • An economical option for efficient and reliable single-stage heating and cooling
  • Rust-resistant coating, screws and basepan protect the single-stage heat pump system from the elements

*Potential energy use comparing an 8-SEER system to a 14-SEER high-efficiency system. Actual energy savings will vary.

Product Information

Product Brochure

Model TONNAGE Capacity H W D Shipping Weight (lbs)
4TWB4018 1.5 18000 29 33 30 204
4TWB4024 2 24000 33 33 30 236
4TWB4030 2.5 30000 33 37 34 273
4TWB4036 3 36000 33 37 34 261
4TWB4042 3.5 42000 37 37 34 278
4TWB4049 4 48000 45 37 34 331
4TWB4061 4 60000 45 37 34 332

For information on limited warranty terms for your Silver XI single-stage heat pump, please refer to your owner’s manual or download a copy of our product warranty booklet. Your local dealer can provide a copy of your owner’s manual. 

Beginning May 1, 2009, Registered Limited Warranty terms are available if the product is registered within 60 days of installation. Registration can be completed either online or by calling 800-554-8005. American Standard Heating & Air Conditioning’s Registered Limited Warranty terms on this product include:

  • 10-year limited warranty on compressor
  • 10-year limited warranty on coil
  • 10-year limited warranty on internal functional parts
  • If the product is not registered within 60 days of installation American Standard Heating & Air Conditioning’s Base Limited Warranty terms will apply.
  • An option to purchase transferability of your Registered Limited Warranty is available. Visit our Warranty + Registration page for more information.
  • Optional Extended Warranties available. Extended Warranties can pay for labor and other costs not covered by manufacturer's limited warranty.
  • Ask your dealer for full warranty information at time of purchase. Warranties are for residential use only, some exclusions may apply.

Matched System

Our products are engineered to work together to provide greater efficiency, reliability and comfort.

Silver TEM3 Air Handler Silver TEM3 Air Handler


With an American Standard system, people have saved an average of:


per year with

Savings based on customers who currently have a 10 SEER unit.

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