hvac4 min read

What You Need To Know About 1-Speed, 1-Phase Condenser Fan Motors

SquarePeg|May 27, 2025

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When it comes to replacing or upgrading your HVAC system’s condenser fan motor, 1-speed, 1-phase motors are one of the most common and cost-effective options out there. But what exactly does “1-speed, 1-phase” mean – and is this condenser fan motor the right fit for your project? Let’s break it down!

What Do Condenser Fans Do?

Basically, condenser fans move air across the condenser coils in an air conditioning system. The airflow helps release the heat absorbed from your home and circle cooler air inside. Without a high-quality condenser fan, an AC system can’t effectively remove heat, leading to uncomfortable temps inside your home, higher energy bills, and costly repairs.

For an indepth look, we recommend this blog: HVAC Blower Motors: Everything You Need To Know.

What Does “1-Speed, 1-Phase” Mean?

A 1-speed condenser fan motor runs at a single, constant speed. Simple and reliable, the 1-speed fan motor turns on, operates at full power, and shuts off. These motors don’t adjust for load or weather conditions, but for many systems, that’s just fine.

One-phase refers to the type of electrical power it uses. Single-phase motors are standard in most residential HVAC systems. They run on regular household current, making them easy to install and widely compatible with home setups.

Check out this blog for more information: Understanding the Importance of Condenser Fan Motor Speed for HVAC Performance.

Why Choose a 1-Speed, 1-Phase Motor?

The 1-speed, 1-phase motor offers three major benefits:

Simplicity – Fewer parts mean fewer things to go wrong. Featured product: Rheem 1-Phase 1 Speed Outdoor Condenser Motor.


Lower Cost – These motors are more budget-friendly than variable- or multi-speed options. Featured Product: Mars 1-Phase 1-Speed Condenser Fan Motor.


Dependability – A solid choice for standard residential cooling systems. Featured product: Rheem 1-Phase 1-Speed Universal Condenser Motor.

Plus, if your system was originally designed for a 1-speed, 1-phase motor, sticking with that configuration can help avoid compatibility issues or unnecessary upgrades. Pro Tip:

Always double-check voltage, horsepower, and rotation direction before ordering to ensure a perfect match.

For more information, visit our blog Why 1-Speed, 1-Phase Condenser Fan Motors Get the Job Done!

Where to Buy a 1-Speed Condenser Fan Motor

Looking for a replacement? SquarePeg carries a full range of 1-speed, 1-phase condenser fan motors from top brands trusted by HVAC pros.


Need help choosing the right model? Our team is here to help! Contact us or explore our HVAC motor selection for specs, ratings, and product details.

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