GOODMAN GLZS4BA3610 + AMST42CU13 R-32 HEAT PUMP SYSTEM

A high-efficiency, Florida-ready heat pump system engineered for reliability, quiet performance, salt-air resistance, and long-term energy savings. Goodman’s GLZS R-32 series delivers modern refrigerant technology, consistent cooling, and dependable heat when needed — making it one of the best-performing upgrades for Florida homeowners seeking lower energy bills and long-lasting comfort.

Goodman GLZS4BA3610 + AMST42CU13 | 3 Ton R-32 Split Heat Pump System

• Efficiency: Up to 15.2 SEER2

• Refrigerant: R-32 (high-efficiency, low environmental impact)

• Humidity Control: High with ECM blower

• Durability: Salt-spray tested, all-aluminum coils

• Best For: Florida homes 1,400–1,800 sq ft

• Warranty: 10-year parts (with registration)

Engineered for Florida. Built to last. Lower bills. Better comfort.

WHY THIS SYSTEM? 

WHAT IT IS

A complete 3-ton R-32 heat pump split system that includes:

• GLZS4BA3610 Outdoor Heat Pump

• AMST42CU13 Multi-Position ECM Air Handler

Together, they deliver up to 15.2 SEER2 cooling efficiency and 7.8 HSPF2 heating performance, designed for harsh Florida conditions.

WHY IT MATTERS

Florida AC systems run 2–3× longer than in most U.S. states due to high heat and humidity. This system is engineered to:

• Reduce cooling costs

• Improve humidity control

• Lower maintenance requirements

• Provide long lifespan in coastal or humid climates

• Meet the newest environmental standards with R-32 refrigerant

HOW IT BENEFITS FLORIDA HOMES

• Enhanced aluminum fin coils resist corrosion from salt air

• ECM blower motor improves humidity removal

• SmartShift® defrost technology ensures quiet, reliable operation year-round

• 500-hour salt-spray-approved exterior cabinet protects against Florida’s environment

• Florida Building Code–ready when properly anchored (hurricane integrity)

DETAILED FEATURES & BENEFITS

OUTDOOR UNIT: Goodman GLZS4BA3610 (Heat Pump)

Performance Features

• High-efficiency compressor designed for consistent cooling in 90°–100°+ weather

• Up to 15.2 SEER2 for excellent energy savings

• SmartShift® Technology

  • Smooth, quiet transitions during defrost cycles

  • Reduces system stress, extending lifespan

• Enhanced aluminum fin coil

  • 5 mm coil (1.5–3.5 ton) or 7 mm copper tubing (4–5 ton models)

  • Corrosion-resistant; ideal for coastal Florida

• Single-speed PSC condenser fan motor for stable, reliable airflow

Protection & Safety

• High & low pressure switches

  • Protect compressor from refrigerant or pressure issues

• Fully pre-charged for 15 ft line set

  • Reduces installation time

• AHRI Certified & ETL Listed

  • Meets national efficiency and safety standards

Cabinet Benefits 

• Heavy-gauge galvanized-steel cabinet

• Architectural Gray powder coating with 500-hour salt spray approval

• Steel louver coil guard for coil protection

• Top & side service access reduces service costs

• UL 60335-2-40 compliant

INDOOR UNIT: Goodman AMST42CU13 (Air Handler)

Performance & Comfort

• Multi-speed ECM blower motor

  • Higher humidity removal

  • Lower energy consumption

  • Quieter indoor operation

• All-aluminum evaporator coil

  • Corrosion-resistant

  • Optimized for Florida humidity

• Factory-installed TXV

  • Ensures proper refrigerant control

  • Required for R-32 optimization

• Horizontal or vertical installation

  • Fits attics, closets, mechanical rooms

• 21" depth for easier attic access in Florida builds

Cabinet & Build Quality

• Rigid SmartFrame™ design for durability

• ASHRAE 193 certified low air leakage

  • <2.0% at 1.0" H₂O

  • <1.4% at 0.5" H₂O

  • Reduces energy waste and moisture intrusion

• Screw-less sides & back minimize condensation

• Foil-faced insulation prevents mold and moisture

• DecaBDE-free drain pan with secondary drain connections

• Tool-less filter access for quick maintenance

• UL 60335-2-40 compliant

Florida Reliability Advantage

When properly anchored, this air handler meets 2023 Florida Building Code hurricane wind requirements (anchor kits available).

WHAT’S INCLUDED

• Goodman GLZS4BA3610 Outdoor Heat Pump

• Goodman AMST42CU13 Air Handler

• Installation Manual

• User Manual

• 10-Year Manufacturer Parts Warranty (with registered installation)

Is this Goodman R-32 heat pump good for Florida homes?

Yes. R-32 offers higher efficiency, lower environmental impact, and superior cooling capacity in hot, humid climates. Combined with corrosion-resistant coils and a salt-spray-approved cabinet, it's ideal for Florida coastal and inland regions.

What size home does a 3-ton Goodman heat pump support?

Typically 1,400–1,800 sq ft, depending on insulation, ceiling height, sun exposure, and ductwork quality.

Does this system help with humidity control?

Yes. The multi-speed ECM blower delivers better dehumidification versus older PSC blower systems — critical for Florida comfort and mold prevention.

Can I use this system with smart thermostats?

Yes. It works with Nest, Ecobee, Honeywell, Alexa-enabled, and other advanced thermostats.

Does this meet Florida’s new HVAC regulations?

Yes — it meets:

• SEER2 2023 standards

• UL 60335-2-40 safety code

• ASHRAE 193 leakage standards

• Florida Building Code wind compliance (when anchored)