Goodman - 1.5 Ton/18,000 BTU Multi-Family Heat Pump Condenser- SEER2 14.3 - Single Stage - R32 - GLZS4MA1810

Goodman - 1.5 Ton/18,000 BTU Multi-Family Heat Pump Condenser- SEER2 14.3 - Single Stage - R32 - GLZS4MA1810

Goodman's GLZS4M heat pump has a nominal SEER rating of 14.3 SEER2 and a minimum HSPF2 of 7.8 to ensure efficient comfort regardless of your application. The GLZS4M's design allows it to be quickly installed and serviced. It includes advanced components that protect the coil and compressor to ensure reliable operations and peace of mind. Order a GLZS4M heat pump today and enjoy efficient comfort from a single piece of equipment through all four seasons.

Features

• High-efficiency scroll compressor
• SmartShift technology to ensure quiet reliable defrost
• Enhanced aluminum fin coil with 5 mm diameter copper tubes in 1.5- to 3.5-ton
• Single-speed PSC condenser fan motor
• Factory-installed bi-flow liquid-line filter drier
• Factory-installed suction-line accumulator
• Factory-installed compressor crankcase heater
• Factory-installed high-capacity muffler
• High- and low-pressure switches
• Service valves with sweat connections and easy access to gauge ports
• Fully charged for 15 feet of tubing length
• Contactor with lug connection
• Ground lug connection
• AHRI Certified; ETL Listed
  

Specifications

Manual

• Installation Manual
• Spec Sheet

What our Experts Think

Q&A

Q: What size space can this 1.5-ton heat pump cool and heat?
A: A 1.5-ton (18,000 BTU) heat pump is typically suitable for small homes, apartments, or multi-family units around 600–1,000 sq. ft., depending on insulation, layout, and climate.

Q: What does a 14.3 SEER2 rating mean?
A: A 14.3 SEER2 efficiency rating indicates reliable energy performance that meets modern efficiency standards, helping reduce cooling and heating energy costs compared to older systems.

Q: Is this heat pump designed for multi-family housing?
A: Yes. The Goodman GLZS4MA1810 is designed specifically for multi-family residences such as apartments, condos, and townhomes, where compact and dependable HVAC systems are required.

Q: What type of compressor does this unit use?
A: This model features a single-stage compressor, delivering consistent cooling and heating performance with simple, reliable operation.

Q: Does this system provide both heating and cooling?
A: Yes. As a heat pump condenser, it provides efficient cooling in summer and heating in mild winter conditions when paired with a compatible indoor air handler.

Q: What refrigerant does this heat pump use?
A: The unit uses R32 refrigerant, which offers higher efficiency and lower environmental impact compared to many older refrigerants.

Q: Is this condenser compatible with existing HVAC systems?
A: It can be paired with compatible Goodman air handlers, evaporator coils, and thermostats for a complete heating and cooling system.

Q: Is this unit suitable for compact outdoor installation areas?
A: Yes. The condenser is designed with a space-saving cabinet, making it suitable for tight outdoor spaces common in multi-family developments.

Maintenance Tips

• Keep the Outdoor Unit Clean: Regularly remove leaves, dirt, and debris from around the condenser. Maintain at least 24 inches of clearance for proper airflow and efficient heat exchange.

• Clean the Condenser Coils: Inspect and gently rinse the outdoor coils every 3–6 months to remove dust buildup that can reduce cooling efficiency and SEER2 performance.

• Replace Indoor Air Filters: Change HVAC filters every 1–3 months to maintain airflow, reduce system strain, and support consistent heating and cooling performance.

• Check Refrigerant Lines & Insulation: Periodically inspect refrigerant lines for damage or worn insulation to ensure optimal R32 refrigerant efficiency.

• Inspect the Condensate Drain: Make sure the drain line is clear to prevent water buildup and potential system shutdowns.

• Schedule Annual HVAC Service: A professional technician should inspect electrical components, refrigerant levels, fan motor, and single-stage compressor operation at least once per year.

• Monitor System Performance: If you notice reduced cooling, unusual noises, or higher energy bills, schedule service promptly to prevent larger issues.