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Goodman DSZC180361

3 Ton, 18 SEER, 2-Stage Heat Pump, ComfortNET Communications System Compatible, R-410A Refrigerant

(2 Reviews)

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  • Liftgate Delivery $25
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  • Pro Installation

The Goodman® brand DSZC18 18 SEER Heat Pump uses the chlorine-free refrigerant R-410A and features energy efficiencies and operating sound levels that are among the best in the heating and cooling industry. The DSZC18 contains the two stage, high efficiency Copeland® UltraTech scroll compressor, which provides improved temperature and humidity control. This unit is designed for the consumer who desires superb comfort and quiet operation.

All Goodman 18 SEER heat pumps must be installed with a bi-flow thermostatic expansion valve. This valve is installed in front of the indoor evaporator coil inline with the line set piping.

This heat pump requires an indoor air handler or evaporator coil as part of a complete system. What tonnage coil or air handler should you use? It depends on two factors about the outside portion of the heat pump system: 1) the tonnage, and 2) the efficiency rating (listed as "SEER"). Usually, high efficiency heat pumps are required to use a larger tonnage evaporator coil than the tonnage of the outside heat pump. (For example, a 2 ton heat pump might be paired with a 3 ton or 3.5 ton evaporator coil.) To find the specific coils or air handlers that are recommended by Goodman for this heat pump, please click on the Accessories tab above. (Also, you can view Goodman's specifications sheets at the Documents tab above).

In order to achieve the 18 SEER efficiency this heat pump must be installed with the manufacturer recommended evaporator coil, a Goodman variable speed furnace, variable speed air handler, or variable speed modular blower and thermostatic expansion valve (TXV). (See the Accessories tab above for most compatible products, or Goodman's spec sheet found under the Documents tab above to verify heat pump efficiency with particular equipment combinations.) An 18 SEER system will reduce your electric bill approximately 12% - 14% more than a 16 SEER system.

Need help putting a complete heat pump system together? Use our easy System Selector and we’ll do it for you!

If you are installing a heat pump with a backup heat source which will be a fuel furnace, you will need to install an electronic all fuel kit.  This kit switches between the two heat sources as needed and prevents both the heat pump and backup heat from running at the same time. Alternatively, you can install the Honeywell VisionPro 8000 (TH8320U1008) thermostat which has the all-fuel kit functionality built into it already, in which case an external all fuel kit would not be needed.

Please note that this heat pump comes pre-charged with R-410A liquid refrigerant and by Federal law cannot be released to the atmosphere. You can purchase this equipment without being EPA certified, and if you are mechanically inclined you may perform about 90% of the equipment installation yourself. However we strongly recommend to have a professional heating/cooling contractor do the final part of the installation including managing the refrigerant. An HVAC contractor has the tools and know-how to do this work. Also, having a contractor perform the final startup and inspection of this heat pump validates your warranty with Alpine.

Standard Features:

  • R-410A chlorine-free refrigerant
  • Two stage Copeland UltraTech scroll compressor
  • High density foam compressor sound blanket
  • Copeland® ComfortAlert diagnostics
  • ComfortNet™ Communications System compatible
  • Low pressure switch
  • Fully charged for 15' line set length
  • Factory installed filter dryer
  • Liquid refrigerant return protection
  • Highly efficient condenser fan motor
  • Copper tube / enhanced aluminum fin coil
  • AHRI Certified; ETL Listed

Cabinet Features:

  • Goodman® sound control top design
  • Wire fan discharge grille
  • Steel louver coil guard
  • Baked on powder-paint finish
  • Rust resistant coated screws
  • Compact footprint
  • Top and side maintenance access
  • Single panel access to controls with space provided for field-installed accessories
  • When properly anchored, meets the 2001 Florida Building Code unit integrity requirements for hurricane-type winds

Cooling Capacity

Not sure what size you need? Feel free to use our easy sizing calculator.

Cooling Capacity
35,000 BTU
Cooling Capacity

Not sure what size you need? Feel free to watch an informational video and use our easy sizing calculator.

Cooling Capacity
3 Tons
Maximum Heating Output BTU

The amount of heat, rated in British Thermal Units (BTUs), that the unit can deliver into the space. Not sure how many BTUs you need? Try our easy Equipment Sizing Estimator.

Maximum Heating Output BTU
35,000 BTU
SEER

Seasonal Energy Efficiency Ratio (SEER) is a measure of cooling over an entire season. It is determined by comparing the amount of cooling produced in BTUs in relation to the amount of electricity used. A higher SEER means a system is more energy efficient and would provide comfort at a lower utility cost than a lower SEER system.

SEER
18 SEER
Heating Seasonal Performance Factor

A measure of heat pump efficiency while in a heating mode. The higher the number the better the energy efficiency.

Heating Seasonal Performance Factor
9.5 HSPF
Refrigerant

Inside air conditioning systems are liquid/gas refrigerant. There are two types of this refrigerant available for use, R-22 (more commonly known as Freon), and a newer alternative R-410A.

An air conditioning system does not consume refrigerant, but reuses it. As long as there are no leaks in the refrigerant circuit, there is no need to ever add more refrigerant to an air conditioning system.

Although R-22 is an effective refrigerant, if it is released into the atmosphere it can contribute to the depletion of the Earth’s ozone layer. The EPA has mandated the phasing out the use of R-22. It is being replaced by R-410A.

As of 2010, manufacturers are required to make all new air conditioners with R-410A. However, R-22 is still available for sale in existing pre-2010-manufactured equipment, and for use in servicing existing R-22 equipment. By 2020, R-22 will no longer be manufactured, but will still be recycled and available for sale.

Refrigerant
R-410A
Maximum Overcurrent Protection (Breaker)

The maximum capacity breaker in the building's circuit panel that can be used on the dedicated electrical line supplying the equipment.

Maximum Overcurrent Protection (Breaker)
35 Amps
Compressor Type

Reciprocating compressors use a piston to compress the refrigerant.

Rotary compressors utilize a roller rotating eccentrically inside a cylinder and a spring mounted blade always rubbing against the roller. As the eccentric rotates towards the blade, the space is decreased and the refrigerant is compressed. Rotary compressors are very efficient.

Scroll compressors consists of 2 scrolls to pressurize refrigerant. Often 1 scroll is fixed and the other orbits eccentrically compressing the gas between the scrolls. Scroll compressors are quiet, smooth and offer highest efficiency ratio of all compressor types.

Scroll Ultratech™ compressors are advanced scroll compressors which offer more features and better diagnostics.

Compressor Type
Scroll UltraTech™
Low Pressure Safety Switch

A safety switch, that when/if the pressure in the system gets too low, it will turn off the equipment to avoid damaging it.

Low Pressure Safety Switch
Yes
Liquid Line Connection Size

The outside diameter of the liquid line pipe (the inside diameter of the connection on the equipment).

Liquid Line Connection Size
3/8 Inches
Suction Line Connection Size

The outside diameter of the suction line (the inside diameter of the connection on the equipment).

Suction Line Connection Size
7/8 Inches
TXV Required

A TXV is an inline metering device used to regulate the amount of refrigerant entering the evaporator coil. They are frequently used in high efficiency systems.

TXV Required
Yes
Noise Level

The noise produced by the unit rated in decibels. 30dbs is equivalent to a whisper, 60dbs is equivalent to a normal conversation, 90 dbs is equivalent to a lawn mower.

Noise Level
72 Decibels
Pad Size
36x36 Inches
Shipping Weight
285 lbs
Width
35 1/2 Inches
Depth
35 1/2 Inches
Height
38 1/4 Inches
Voltage
208 / 230 Volts
Frequency
60 Hz
Voltage Phase
1
Compressor Warranty
Lifetime With Online Registration
Parts Warranty
10 Years

In 2002 Alpine Home Air Products became the first company to sell heating, air conditioning and indoor air-quality products online. We have proudly served hundreds of thousands of customers, helping them save time and money by buying their products direct.