American Standard Platinum ZM Allegiance 20 Heat Pump Rating

 

American Standard is one of the most reliable heat pump brands available.  This quality brand doesn’t have the name recognition that Trane or Carrier does, but within the industry it is highly respected for what it offers.  The Platinum ZM Allegiance 20 heat pump is American Standard’s flagship heat pump delivering high efficiency and performance features that contribute to a very comfortable home.

This HVAC ratings post looks at areas like efficiency, features, and reliability.  We offer ratings based on consumer heat pump ratings as well as our own research.  Use our ratings to compare the American Standard Platinum ZM heat pump with other top of the line models like the Carrier Infinity, Bryant Evolution and the Lennox Signature Collection heat pumps.  You’ll find it compares favorably in many ways.

 Operating Cost Efficiency Rating (5/5)

This is one of the most efficient heat pumps you can buy, with 20 SEER air conditioning and 9.0 HSPF for heating .  When it replaces models 12-20 years old (6-12 SEER), you can see that you’ll save up to 50% or more on your heating and air conditioning bills.  This high efficiency comes at a higher price point, so this isn’t a cost-effective solution in mild climates without temperature extremes.  Even in climates where it makes sense, you’ll need 3-5 years to recoup the higher equipment cost through reduced energy bills.  It’s an outstanding heat pump for keeping energy use and costs under control.

Feature Rating (4/5)

The American Standard Platinum ZM Allegiance 20 heat pump features a 2 Duration compressors to ensure quieter operation and more balanced heating.  This is the most important comfort feature  included, although the multi-speed condensing unit fan is also nice.  Here is an overview of the features you’ll want to compare with others under consideration:

• 2 Duration compressors are included.  The first runs on low 70% of the time.  The second compressor starts when you call for a boost in heating or cooling.
• Running on one compressor most of the time enhances humidity reduction when cooling.
• Uses environmentally responsible R-410A refrigerant.
• AccuLink Communicating technology coordinates system components to maximize efficiency and indoor comfort.
• Charge Assist is patented technology that ensures proper refrigerant levels during each cycle.
• Multi-speed fan runs quieter when the compressor is running in low gear.
• Now known as the Platinum ZM heat pump; formerly known as the Allegiance 20 heat pump.

Reliability Rating (5/5)

American Standard has a well-deserved reputation for reliability.  The components used, such as the Duration compressors and the efficient coil, are of the highest quality.  Good design and build is seen throughout this model.  The American Standard Platinum ZM Allegiance 20 heat pump rating for reliability is clearly a 5.

 Manufacturer's Warranty Rating (4/5)

The average warranty for top-quality heat pumps is a 10-year compressor and parts warranty.  The warranty for the ZM heat pump from American Standard is slightly better: A 12-year compressor warranty and a 10-year parts warranty.

Overall Rating (4.5/5)

This is one of the top-rated heat pumps in our research, and homeowners agree, giving it high marks for indoor comfort, dependability and energy savings.  It sells best in warm climates with cool winters that are not extremely cold.  It is also popular with consumers who want the most comfortable indoor climate possible, including balanced temperatures and good humidity control in all seasons.  If you want a top of the line unit from one of the top 3-4 brands on the market, the American Standard Platinum ZM heat pump is hard to beat.

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