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Capacitors & Hard Starts
Motor Start • Compressor Assist • Common Service Fix
Capacitors & Hard Starts
Capacitors & Hard Starts include the most common electrical service parts used to get HVAC motors and compressors running reliably. Run capacitors support steady operation for condenser fan motors and blower motors, while hard start kits provide extra starting torque to help struggling compressors start under load.
If you’re dealing with a “hums but won’t start,” intermittent start-up, tripped breakers, or weak motor performance, the correct capacitor value or hard start kit can be the fast fix. Shop by microfarad (µF), voltage rating, and application.
- Run capacitors for condenser fan motors and blower motors
- Dual run capacitors (HERM/FAN) used in many outdoor units
- Start capacitors for specific start circuits (verify compatibility)
- Hard start kits to help compressors start under load
- Service essentials that ship small and convert well
Always match the required µF rating and meet or exceed the voltage rating. Confirm capacitor type (run vs start vs dual run), terminal layout, and physical size constraints in the unit. Electrical components should be installed by qualified personnel following manufacturer instructions and safe work practices.
Pro tip: Capacitors and contactors are ideal “high-profit service stock” items—build bundles by common sizes and add clear spec tables (µF + VAC + dimensions) to improve conversion and reduce returns.
Shop Capacitors & Hard Starts
Dual Run Capacitors Common HERM/FAN capacitors for outdoor units. Run Capacitors Single run capacitors for fan and blower motors. Hard Start Kits Start assist kits to help compressors start under load. Start Capacitors For specific start circuits (verify specs and use case). Mounting Straps & Hardware Secure replacement capacitors in tight cabinets. Pair With Contactors Another common no-cool electrical service part.
HVAC capacitors and hard start kits for motors and compressors
HVAC capacitors and hard start kits help motors and compressors start and run properly. Shop dual run capacitors, run capacitors, start capacitors, and compressor hard start kits by microfarad (µF) rating and voltage for reliable repairs.