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Payne Air conditioner PA4SAN5 Single-Stage Air Conditioner

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Payne Residential HVAC Air conditioner Repair, maintenance, and replacement planning
Payne PA4SAN5 Single-Stage Air Conditioner product image

Technical Specifications

Product Specs

  • Brand: Payne
  • Official model: PA4SAN5
  • Official product name: Single-Stage Air Conditioner
  • Product category: air-conditioners
  • Cooling Efficiency = Up to 16 SEER2 / Up to 13.5 EER2
  • Operation = Single-Stage Operation
  • Sound =As low as 72 decibels1
  • Efficient, single-stage compressor
  • Durably built to withstand bad weather and debris
  • Designed for corrosion resistance and lasting performance
  • R-454B refrigerant continues our legacy of dedication to environmental stewardship. This refrigerant achieves a remarkable 75% reduction in global warming potential while preserving the non-ozone depleting properties of our previous refrigerant.
  • 10-Year Parts Limited Warranty*
  • Up to 16 SEER2 cooling
  • Up to 13.5 EER cooling
  • Sound (as low as 72 decibels) 1
  • Single-speed fan motor
  • System protecting filter drier
  • Durable, protective inlet grille panels allow easy coil cleaning
  • Baked-on powder coat finish over galvanized steel
  • Cooling capacity: 1.5–5 tons
  • Official source: Payne product page
  • Model or series: PA4SAN5 Single-Stage Air Conditioner
  • Equipment type: Air conditioner
  • Product group: Residential HVAC
  • System role: Cooling equipment for a matched air-conditioning system
  • Application: Residential, light-commercial, or managed-property comfort applications
  • Compatibility check: Match with compatible indoor unit, coil or air handler, controls, refrigerant, voltage, and capacity.
  • Verified source: payne.com

Useful troubleshooting details

  • Confirm the outdoor condenser model, serial number, indoor coil or air handler, thermostat setup, refrigerant, voltage, and capacity.
  • Share no-cooling, weak airflow, short-cycling, humidity, condensate, outdoor-unit noise, or thermostat/control details.
  • For replacement planning, identify the matched indoor equipment and whether the request involves a heat-pump upgrade conversation.

Service planning

How GreenFlow handles PA4SAN5 Single-Stage Air Conditioner requests

1

Identify the equipment

Confirm the model or series name, serial number if available, photos, and whether the unit is roof, exterior, basement, or mechanical-room equipment.

2

Describe the service issue

Share no heat, no cooling, weak airflow, error codes, alarms, leaks, noise, control problems, or comfort complaints.

3

Review access and history

Include access notes, tenant or business-hour constraints, filter status, recent repairs, and maintenance records when available.

4

Plan the next step

GreenFlow can route the request for diagnostics, repair planning, maintenance, replacement scope, or related system upgrades.

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Neal V.

In an industry that often fraught with contractors taking advantage of homeowners, Andrey was honest with his assessment and willing to install a product acquired elsewhere (most want that margin themselves), patiently answered my questions (I’m an engineer so like to understand what’s happening), and proactively offered practical...

Michele Z.

Andrey was professional, prompt, smart, thorough and exceedingly pleasant. We are likely switching our current HVAC company to Green Flow.

Melissa S.

The repair person came quickly and was super efficient and polite, and showed me what to do next time. He gave my dog a quick pay and was off again.

Dev W.

I had a breakdown of my cooling system and Hanna at Green Flow responded to my request right away. They scheduled me same day. The team at Green Flow was easy to communicate with over phone and text. They kept me updated on delays on arrival of the...

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