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Details on the Trane XR17 Heat Pump

Trane XR17 Heat Pump


The heating and cooling reliability you expect from Trane and the energy efficiency you deserve can be found in our XR17 two-stage electric heat pump. The XR17 offers up to a 17.25 SEER rating when matched with Trane variable speed air handlers, furnaces and Comfort Coils™.

Efficient performance
The XR17’s ratings up to 17.25 SEER and up to 9.6 HSPF make it an energy-efficient choice for home comfort.

Two-stage cooling
Two stages of cooling and heating meet any outdoor climate conditions and prevent interior temperature swings.

Durable and economical
Increased efficiency may substantially lower your home cooling costs. Materials for all components are tested again and again for long-lasting performance and durability.

Cleaner, healthier indoor air
Add Trane CleanEffects™ to your system for advanced air filtration that removes more dust, pollen and other irritants from conditioned air for a cleaner, healthier, more comfortable home.

The Trane XR17 two-stage electric heat pump offers the heating and cooling reliability you expect from Trane and the energy efficiency you deserve. We discuss features, benefits, and costs.


Are you in the market for a new heat pump? Is your unit old, and you’re not sure it can handle the rigors of a new season? Are you tired of seeing HVAC maintenance people work on it and have decided a better investment might be a new one?

At Xtreme Air Services, we have helped thousands of DFW Area homeowners find the HVAC system that best meets their individual needs. When considering heat pumps, we’re often asked if there’s a model that will lower your energy bills, help make you more comfortable, and be more affordable than other high-end heat pumps. The Trane XR17 fits the bill and might be perfect for you.



Features of the Trane XR17 Heat Pump


The heating and cooling reliability you expect from Trane and the energy efficiency you deserve can be found in our XR17 two-stage electric heat pump. The XR17’s ratings up to 17.25 SEER and up to 9.6 HSPF make it an energy-efficient choice for home comfort.


Two stages of cooling and heating meet any outdoor climate conditions and prevent interior temperature swings. If you’re tired of cold spots in the winter or hot spots in the summer, the Trane XR17 can help even out the temperatures in your home.


Match your heat pump with a gas furnace to enjoy the energy-saving benefits of a hybrid system, a.k.a. dual fuel. Your heat pump will be in charge of providing much of the heat for your home; then, your furnace takes over when the weather gets too cold.

How Does a Two-Stage Compressor Provide Greater Comfort?

A two-stage heat pump has a compressor that can operate at two distinct speeds. A one-stage compressor is either on 100% or entirely off. The two-stage compressor has this same 100% setting, but it also has another stage that, while it varies depending on brand and model, is generally around 60% – 70% capacity.

You’re probably familiar with the traditional one-stage model and how it will shut on and off, depending on the temperature.

Say you set your thermostat to 72 degrees. The heat pump might let the home get to 73 before kicking on, then cool it to 72 or 71. Then the cycle repeats.

With a two-stage compressor, the system will work less hard when the inside temperature is close to the thermostat’s setting, thus using less energy and preventing the need to turn on to 100% so often. Also, the less your unit turns on and shuts off, the longer its lifespan.

Two-stage heat pumps will provide more efficiency compared to single-stage heat pumps. They’re an excellent middle ground between low-end and high-end efficiency, and the initial cost will save you on energy costs compared to a single-stage.


A single-stage heat pump will struggle to produce heat when the temperature drops to 40 degrees Fahrenheit or lower. A two-stage will work at 100% efficiency down to 40 degrees and drop down to its slower speed – 60% -70% – when the temperature is lower. That provides more heat than a single stage, and the performance drop-off isn’t as steep as that of a single stage.



How Is Heat Pump Efficiency Rated?


SEER stands for Seasonal Energy Efficiency Ratio. It’s calculated by the ratio of cooling produced by a heat pump divided by its energy usage in watt-hours. This ratio is calculated over the length of a typical cooling season.


SEER ratings in modern heat pumps range from about 13 to 22. Depending on the state you live in, any new air conditioner that’s installed must be at least SEER 14 (in some states, it’s higher).

SEER is often used as shorthand for the efficiency of a system. However, SEER isn’t the final word in an air conditioner’s efficiency. The rating has some limitations that homeowners should be aware of.

  1. SEER ratings should always be read as “up to” that amount. For example, a 20 SEER system is capable of being up to 20 SEER efficiency. It will not always be at that level due to variations in your HVAC system.
  2. A high-SEER system that is poorly installed will often be no more efficient than a lower-SEER system that is correctly installed.
  3. Many older systems are no higher than about 8 SEER. The savings and comfort difference between those and a 13 SEER system is significant. How large the difference is will depend on your previous air conditioner or heat pump, but the comfort increase and cost savings can be eye-opening.
  4. SEER is only as good as the equipment that it’s paired with. Efficiency is determined by the entire HVAC system, including ventilation, ductwork, and your air handler or furnace. Your outdoor condensing unit and your indoor coil work together as a team—a new heat pump’s efficiency will be significantly reduced if paired with an old, existing, or non-Trane coil. An older coil, or a non-Trane coil, may even differ in cooling capacity and performance, leaving you with an unbalanced system and higher-than-necessary utility bills.


HSPF stands for Heating Seasonal Performance Factor. This rating is limited to heat pumps. It’s used to calculate their efficiency when they’re heating a home. (Like air conditioners, when heat pumps cool a home, efficiency is measured in SEER.)

As with SEER, the higher the rating, the more efficient the unit. The numbers used are different, however. Similar to SEER, the rating is calculated by dividing the heating output (measured in British Thermal Units or BTUs) by the energy consumed.

Modern heat pumps must have an HSPF of 7.7, which is, again, an average. As temperatures drop in the winter, the HSFP of a heat pump will decline. The most sophisticated heat pumps can reach 10+ HSPF.

Who’s the Right Fit for the Trane XR17 Heat Pump?

The Trane XR17 is a good fit for homeowners who plan to stay in their home long-term and are looking for a heat pump that will increase their comfort, be efficient, and is less expensive than higher-end models.

Thanks to its two-stage compressor, the XR17 can provide even heating and cooling. If energy savings are a concern, it’s been shown that people who have switched to an XR17 from an older 10 SEER or lower heat pump can save an estimated 50% in their annual energy costs.