ALXS3NN4210A

Amana 42,000 BTU 3.5 Ton
Single-Stage
AC Air Conditioner

The ALXS3NN family is a central AC outdoor condenser option designed for straightforward, reliable cooling. Comfort still depends on correct sizing, the right indoor coil match, and a clean, properly commissioned install.

 

A 3.5 ton system is usually for larger square footage, higher cooling load homes, or properties with challenging heat gain (large windows, open concept, strong sun exposure). It can also show up when a home has multiple levels that need steady airflow to stay balanced.

 

At this size, the duct system has to earn it. If returns are limited or the trunk layout is restrictive, you can end up with noisy airflow and poor distribution. We confirm duct capacity, coil match, and electrical requirements before recommending 3.5 tons.

We confirm sizing and pricing on site – no pressure, no upsells.

Installed in Ottawa and surrounding areas by Peak Comfort HVAC

Specs for the ALXS3NN4210A

  • System type: Central split system AC condenser (outdoor unit)
  • Nominal size: 3.5 ton (42,000 BTU/h)
  • Efficiency (AHRI): Up to 15 SEER2 (varies by matched indoor coil)
  • Compressor type: Single-stage scroll
  • Refrigerant: R-32
  • Sound rating: 73 dBA
  • Electrical (208–230V): 208/230V, 1-phase (min/max 197/253V)
  • MCA: 19.4 A
  • Max fuse/breaker (MOP): 30 A
  • Dimensions (H×W×D): 35¾" × 29" × 29"
  • Weight: 180 lb
  • AHRI reference #: TBD

Technical documents

Key features of the ALXS3N family

What it is:

  •   Outdoor central AC condenser (split system) using R-32 refrigerant
  •   Single-stage operation (simple, straightforward cooling)

Build & serviceability (equipment details):

  •   Copper tube / enhanced aluminum coil (manufacturer design)
  •   Steel louver coil guard to help protect the outdoor coil
  •   Removable grille-style top; compact footprint
  •   Top + side service access (easier maintenance access)
  •   Sweat connection service valves with gauge ports
  •   Enclosed contactor + high-pressure switch (manufacturer safety/control components)

What actually determines comfort (install + matching):

  •   Must be paired with the right indoor coil / matched system for proper performance
  •   Airflow has to be set up correctly (duct limitations matter as much as the condenser)
  •   Proper commissioning: evacuation, leak check, then charge verification using the correct method

Ownership basics:

  •   Filter changes and keeping coils clean protect capacity and efficiency
  •   Warranty note: Amana 10-year parts limited warranty typically requires online registration within 60 days of installation (Peak Comfort HVAC handles this for you)

Want to see if this AC is the right fit?

Tell us what you’re trying to solve (hot rooms, humidity, noisy airflow, old AC replacement). We’ll confirm duct airflow, indoor coil match, and electrical requirements — then give you clear options that make sense for your home.

Get in Touch

Office Address:
275 Montfort St, Ottawa
ON K1L 5N8

Servicing: Ottawa, Orleans, Nepean, And the surrounding areas

Phone:

E-Mail:
info@peakcomfort.ca


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