Capacitors & Transformers for HVAC

Capacitors and transformers are both important HVAC electrical components, with capacitors supporting motor startup and operation while transformers provide the correct voltage for control circuits. Voomi Supply offers HVAC capacitors, AC unit transformers, and pressure transmitters for a range of residential and commercial systems.

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Reliable Capacitors for HVAC Systems

Browse our selection of capacitors designed to provide reliable startup power for HVAC systems. These essential components ensure that your air conditioning and heating systems operate efficiently and effectively.

Types of HVAC Capacitors

AC capacitors come in a few configurations depending on what the motor needs to start and keep running.

Type

Function

Typical Use

Run Capacitor

Keeps the motor running at steady voltage

Continuous operation of fan and compressor motors

Start Capacitor

Delivers a short boost of power to start the motor

Motors that need extra torque to start, often single-phase compressors

Dual Run Capacitor

Combines two run capacitors in one unit

Systems running both a compressor and a condenser fan motor

Transformers for AC Units and HVAC Systems

Explore our range of transformers specifically designed for AC units. These transformers help regulate the power supply, providing the necessary voltage for efficient HVAC system operation.

Common HVAC Transformer Ratings

HVAC transformers are labeled by primary voltage, secondary voltage, and VA (volt-amp) capacity. Match all three to your system before ordering a replacement.

Primary Voltage

Secondary Voltage

VA Rating

Typical Use

208/230V

24V

40 VA

Standard residential control circuits

208/230V

24V

50 to 75 VA

Systems with added zoning or accessories

277V or 480V

24V

75 VA and up

Light commercial equipment

Pressure Transmitters for HVAC Monitoring

We offer a variety of pressure transmitters, ideal for monitoring HVAC system performance. These devices ensure accurate pressure readings for optimal system function.

Wireless Pressure Transmitters for Flexible Monitoring

Wireless pressure transmitters allow for remote monitoring of HVAC systems. These advanced transmitters provide real-time data, ensuring that your system stays within optimal pressure levels.

Frequently Asked Questions

Capacitors store electrical energy and help start motors in HVAC systems, while transformers adjust voltage levels to ensure the proper operation of equipment.

See the tables above for capacitor types and transformer ratings. We also stock capacitors, including run and start capacitors, and transformers for residential and commercial HVAC systems.

If you notice system failures, poor performance, or unusual noises, it could indicate a problem with the capacitor or transformer. You can inspect for signs of physical damage or have a professional technician perform diagnostics.

Yes, our capacitors and transformers are designed to work with a wide range of HVAC systems. Please check the specifications or consult customer service for compatibility with your system.

Installation requires careful handling to avoid electrical hazards. We recommend following the manufacturer’s instructions, and if unsure, consulting a licensed HVAC technician for safe and proper installation.