Best Condenser Fan Motor Blades: Top Replacements for HVAC Systems – Accelerate Net Zero

Answering the common buyer question, these condenser fan blade replacements are designed to fit a range of Goodman and Lennox condenser motors, as well as universal options. They’re best for HVAC technicians and homeowners replacing a worn or damaged blade to restore cooling efficiency. This guide highlights five reliable options, compares their key specs, and explains who benefits most from each choice. Use the quick-reference table below to compare at a glance and then explore detailed product notes to choose wisely.

Product Brand Blade Size / Pitch Direction Best For
B1086756 – Goodman Replacement Condenser Fan Blade Goodman 3 x 18″, CCW CCW Goodman A/C units with 18″ blades
98M18 Condenser Fan Blade (Lennox Compatible) su perdobi 3 x 18″, 27° CCW Lennox replacements and compatible models
B1086748S – Goodman 3 x 22″ CCW Goodman 3 x 22″, CCW CCW Higher-vented Goodman condensers
Condenser Fan Blade – 3 x 20″ CCW Goodman 3 x 20″, CCW CCW Standard Goodman outdoor condensers
100060-08 Lennox Replacement Condenser Fan Blade LAU 4 x 18″, CCW CCW Lennox systems needing a 4-blade option

Note: The table consolidates design intent and blade geometry to help you pick the most compatible blade for your unit’s model family. Always verify bore size and mounting hub with your existing motor before purchase.

Goodman Replacement Condenser Fan Blade, 3 x 18″ CCW

B1086756 Goodman 3x18 CCW condenser fan blade

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This blade is a brand-new replacement designed for 3-blade condensers, measuring 18 inches in diameter with CCW rotation. It’s built to fit Goodman units that use a 3-blade configuration. Best for existing Goodman setups requiring a direct blade swap without modifying the motor.

Who this is for: technicians or homeowners replacing a damaged Goodman blade in a 3-blade, 18-inch configuration. Why selected: direct compatibility and straightforward swap in compatible Goodman condensers.

Caution: confirm bore size and hub compatibility with your motor to avoid mounting issues.

98M18 Condenser Fan Blade for Lennox Condensers

98M18 Lennox compatible condenser fan blade

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Specifications include a 3-blade, 18-inch diameter with a 27-degree pitch and 1/2-inch bore. It’s compatible with Lennox units including replacement references for Lennox 100060-07 and common Lennox models. Best for Lennox owners needing a direct 18-inch, CCW blade replacement.

Who this is for: Lennox system owners seeking a precise, compatible blade. Why selected: specifically labeled as Lennox-compatible with documented model references.

Caution: DC voltage and electrical considerations are not specified; verify motor type before ordering.

Goodman 3 x 22″ Condenser Fan Blade, CCW

B1086748S Goodman 3x22 CCW condenser fan blade

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This blade is a brand-new 3-blade replacement sized at 22 inches in diameter with CCW rotation. It matches Goodman condenser configurations that require a larger blade for airflow and cooling efficiency.

Who this is for: Goodman units needing a larger 22-inch blade replacement. Why selected: fits the 22″ CCW specification for compatible Goodman condensers.

Caution: ensure the mounting hole pattern aligns with your motor hub to avoid installation issues.

Condenser Fan Blade – 3 x 20″ CCW

Goodman 3x20 CCW condenser fan blade

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This replacement blade offers a 3-blade design at 20 inches in diameter with CCW rotation. It suits a broad range of Goodman condensers that require a 20″ blade and a CCW orientation for correct airflow direction.

Who this is for: homeowners or pros maintaining Goodman outdoor condensers with 20″ blades. Why selected: common size and orientation common in Goodman lineups.

Caution: confirm that your unit’s hub bore and screw mounting match the blade’s specifications before purchase.

100060-08 Lennox Replacement Condenser Fan Blade

100060-08 Lennox 4x18 CCW condenser fan blade

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This blade is a four-blade, 18-inch diameter replacement intended for Lennox condensers. It’s CCW and designed to restore airflow in Lennox systems that require a larger blade count for cooling performance.

Who this is for: Lennox owners with four-blade blade configurations needing replacement. Why selected: fits Lennox models that specify 4 blades and 18″ diameter.

Caution: verify the blade count and bore compatibility with your Lennox unit to avoid improper fit.

Buying Guide: Key Purchase Considerations

What blade size do I need? Blade diameter must match your condenser housing opening and motor shaft bore. Common sizes include 18″, 20″, and 22″ with varying blade counts. Measure the existing blade or refer to the unit’s model manual to confirm exact dimensions.

What about blade direction and pitch? CCW blades are standard for many condensers. Pitch (degrees) affects airflow; higher pitch increases air movement but may require compatibility checks with the motor’s RPM and electrical load.

Is the bore size important? Yes. The 1/2-inch bore is common, but some models use different shaft sizes. Confirm the bore to ensure a secure fit and safe operation.

Can a universal blade work? Universal blades can cover several sizes but may require precise alignment with the hub and mounting hardware. When in doubt, select a model specifically labeled for your unit brand or compatibility list.

What installation considerations exist? Always disconnect power before replacement. Confirm the blade’s balance after installation to reduce vibration and prolong motor life. If you notice unusual noise or wobble, recheck mounting and bore alignment.

Frequently Asked Questions

  1. What blade size fits a Goodman 18″ condenser? A: Look for 18″ blades with CCW rotation and a compatible bore size for your motor hub; many Goodman units use 3-blade 18″ configurations.
  2. Are Lennox blades interchangeable with other brands? A: Some blades are specifically labeled Lennox-compatible; verify model numbers and mounting specs before mixing brands.
  3. Do I need a blade with the same number of blades as the original? A: Yes, blade count affects airflow and compatibility with the motor’s housing and fan guard.
  4. What risks come with an incorrect blade? A: Mismatched blades can cause imbalance, vibrations, motor wear, or inefficient cooling performance.
  5. Can I replace just the blade or should I replace the whole condenser motor? A: If the blade is worn or broken but the motor is sound, replacing the blade is often sufficient. If the motor shows signs of wear, consider a motor replacement as well.
  6. How do I verify bore size quickly? A: Measure the bore (hole) diameter on the motor shaft; common options include 1/2 inch and other standard sizes.