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Trane WPHF Heat Pump

#21 of 22 Trane Heat Pumps

Updated: Mar 11, 2013

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Overview of the WPHF

Trane’s WPHF is a discontinued, extra high efficiency water-source heat pump designed for installation in new or old construction. At the time of manufacturing, this model was Energy Star approved.

Ranging from 1 ¾- to 4 ¾-ton capacities, this model came in three different sizes and was promoted for its quiet, smooth operation. Each model was equipped with an insulated partition between components and a muffled compressor to minimize noise and vibration.

Additional components include an easily accessible unit control box for quick service and diagnostics, sturdy metal cabinet with corrosion-resistant exterior finish, high efficiency compressor, removable drain pan, filter drier and easily replaceable filters.

Trane also offered a full line of accessories for the WPHF heat pump, including a variety of thermostats, pump module hose kit, water regulating valve assembly and pump module.

Consumer Reviews of the Trane WPHF

  • Very Satisfied
  • Somewhat Satisfied
  • Neutral
  • Somewhat Unsatisfied
  • Very Unsatisfied

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Date created: 2012-09-11 Name: Ebro
Location: South Carolina

Satisfaction Rating:

1 of 5 stars Very Unsatisfied

"XL14i = problems"
We average hundreds of dollars per year to keep our unit running. Have had several freon leaks. The lineset has been replaced. Freon has been charged several times in the short 5 years we've had the unit in our "new" house. It was installed in our brand new house and has been nothing but problems every year. Few repairs were covered under the extended warranty. (Freon and linesets are not covered under warranty) Contacted Trane home office and local distributor but they all claimed that the problem was not due to factory issues. Even after paying about $750 for new lineset the freon still leaks out of unit. We are just going to charge it each year or so for about $200 till it crookes. We will never buy Trane again and have suggested to all of our friends that they stay away from Trane.

Date created: 2012-05-06 Name: James. Mittino
Location: Warsaw, MO
Years owned: 3

Satisfaction Rating:

1 of 5 stars Very Unsatisfied

"Noisy, inefficient and unreliable"
After less than 3 years, I hired a Carrier HVAC contractor to remove the TRANE. Obviously, he did so very willingly. I think he was tired of working on it, frankly!!! (After the warranty had expired, I called in a different contractor to maintain the unit, HOPING he could solve my problems) Higher utility bills and unreliable performance were my major problems with the Trane unit. I had to cancel my son's birthday party because the A/C broke on an August afternoon (the unit was less than 5 months old!!!!). Twice, the compressor leaked PURON. After the warranty had expired, I decided to bite the dust and change out the unit. I am very pleased with my new Carrier unit.

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Other WPHF Reviews

Trane’s WPHF heat pump was first manufactured in 1999, and since then has had very little presence on the web. Trane, however, is generally considered to be a reputable HVAC manufacturer. According to, Trane offers a wide selection of reliable and durable heat pumps. Contractors on also note they have seen Trane heat pump last as long as 20 years.

Trane WPHF Model Numbers

The WPHF is available in different models which vary in efficiency and capacity.

Model Number SEER / HSPF BTUs per Hour
WPHF021 0 / 0 20900
WPHF027 0 / 0 27100
WPHF035 0 / 0 35900
WPHF040 0 / 0 38900
WPHF057 0 / 0 56400

WPHF Warranty

The WPHF carried a 12-month parts-only warranty. The warranty could not exceed 18-months from the shipment date. An optional extended warranty was also available for the second through fifth years.

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