Best HVAC Relays: Top 10 Picks for Ultimate Home Comfort

Looking for the best HVAC relays to keep your home comfortable? We’ve researched and compiled a list of the top 10 HVAC relays to help you find the perfect fit for your heating and cooling system.

HVAC relays are the unsung heroes of your home’s heating and cooling systems. They ensure your fans, blowers, and furnaces run smoothly, keeping your space comfortable year-round. Choosing the right relay can save you time, money, and headaches.

Relays are easy to install, built to last, and work quietly. They handle 24V signals and keep your system running efficiently.

With so many options, finding the perfect relay can feel overwhelming. But don’t worry—we’ve done the research for you. Get ready to discover the best HVAC relays that fit your needs like a glove.

List of Top 10 HVAC Relays

Image Title Best For Price
Dreyoo 1 Pack 24V Fan Relay, 90-380 Isolation Relay AC Switch SPST with UL Certification Compatible with Goodman HVAC Furnace Blower Humidifier Blower Heat Sequencer Dreyoo 1 Pack 24V Fan Relay, 90-380 Isolation Relay AC Switch SPST with UL Certification Compatible with Goodman HVAC Furnace Blower Humidifier Blower Heat Sequencer

This 24V fan relay is perfect for homeowners and HVAC technicians who need a reliable and easy-to-install solution for their Goodman HVAC systems, furnaces, or humidifiers. It’s great for anyone looking to replace a faulty relay or upgrade their system with a waterproof, heavy-duty option.

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2 Pack 24V Fan Relay AC Switch SPST Fit for Fan Control HVAC Coleman Furnace Blower Humidifier Goodman Blower Heating Sequencer Relay 90-980 Isolation Relay AC Switch SPST 2 Pack 24V Fan Relay AC Switch SPST Fit for Fan Control HVAC Coleman Furnace Blower Humidifier Goodman Blower Heating Sequencer Relay 90-980 Isolation Relay AC Switch SPST

This 2 Pack 24V Fan Relay is perfect for homeowners and DIY enthusiasts who want to upgrade or repair their HVAC systems. It’s also ideal for professionals needing reliable, high-quality relays for fan control, heating, or cooling systems.

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90340 - 24 Volt Coil General Relay Also Replaces White Rodgers, Emerson, Supco, Honeywell, Packard, Mars, Jard for HVAC Applications and Other General Electrical installations Replaces APSR-340 90340 – 24 Volt Coil General Relay Also Replaces White Rodgers, Emerson, Supco, Honeywell, Packard, Mars, Jard for HVAC Applications and Other General Electrical installations Replaces APSR-340

This 24 Volt Coil General Relay is perfect for HVAC technicians, electricians, and DIY enthusiasts who need a reliable replacement part for their air conditioning systems, vending machines, or appliances. It’s also ideal for general electrical installations where a durable and versatile relay is needed.

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Functional Devices RIBU1C Enclosed Pilot Relay, 10 Amp Spdt with 10-30 Vac/Dc/120 Vac Coil Functional Devices RIBU1C Enclosed Pilot Relay, 10 Amp Spdt with 10-30 Vac/Dc/120 Vac Coil

The Functional Devices RIBU1C Enclosed Pilot Relay is perfect for anyone needing a reliable 10 amp SPDT relay with a 10-30 VAC/DC/120 VAC coil. It’s ideal for simple, efficient control in home or small projects.

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APFR-380 90-980 24V AC Heavy-Duty Fan Relay – Single Pole SPST – Isolated AC Switch for HVAC blowers, humidifiers, Goodman blowers, Heat sequencers – Includes Universal Bracket (1) APFR-380 90-980 24V AC Heavy-Duty Fan Relay – Single Pole SPST – Isolated AC Switch for HVAC blowers, humidifiers, Goodman blowers, Heat sequencers – Includes Universal Bracket (1)

This heavy-duty fan relay is perfect for homeowners and HVAC professionals who need a reliable switch for HVAC blowers, humidifiers, or heat sequencers. It’s easy to install and works great with Goodman blowers.

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Dreyoo 1 Pcs 24V Coil 40A 2 Pole Air Conditioner Contactor, UL Certified HVAC Motor Contactor, Air Conditioner Replacement Relay, Compatible with C230b, Heat Pump, Refrigeration Systems Dreyoo 1 Pcs 24V Coil 40A 2 Pole Air Conditioner Contactor, UL Certified HVAC Motor Contactor, Air Conditioner Replacement Relay, Compatible with C230b, Heat Pump, Refrigeration Systems

This Dreyoo Air Conditioner Contactor is perfect for anyone needing a reliable, durable solution for HVAC systems, industrial refrigeration, or commercial equipment. It’s ideal for professionals and homeowners alike, ensuring precise control and long-lasting performance in tough environments.

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Dreyoo 2 Pack 24V Fan Relay, 90-380 Isolation Relay AC Switch SPST with UL Certification Compatible with Goodman HVAC Furnace Blower Humidifier Blower Heat Sequencer Dreyoo 2 Pack 24V Fan Relay, 90-380 Isolation Relay AC Switch SPST with UL Certification Compatible with Goodman HVAC Furnace Blower Humidifier Blower Heat Sequencer

This 24V fan relay is perfect for homeowners and DIY enthusiasts who need a reliable switch solution for their HVAC systems, furnaces, or appliances. It’s easy to install and works great with Goodman blowers, fans, and more.

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Dreyoo 1 Pack 24V Fan Relay, 90-980 Isolation Relay AC Switch SPST with UL Certification Compatible with Goodman HVAC Furnace Blower Humidifier Blower Heat Sequencer Dreyoo 1 Pack 24V Fan Relay, 90-980 Isolation Relay AC Switch SPST with UL Certification Compatible with Goodman HVAC Furnace Blower Humidifier Blower Heat Sequencer

This 24V fan relay is perfect for homeowners and DIY enthusiasts who need a reliable switch solution for their HVAC systems, furnaces, or appliances. It’s easy to install and works great with Goodman blowers, fans, and more.

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Supco 90370 General Purpose Fan Relay, 12 A Load Current, 24 V Coil Voltage, Single Pole Double Throw Contacts Supco 90370 General Purpose Fan Relay, 12 A Load Current, 24 V Coil Voltage, Single Pole Double Throw Contacts

The Supco 90370 Fan Relay is perfect for anyone needing to control a fan with simple, reliable technology. It’s ideal for home or small projects where basic fan control is essential.

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HUAREW APFR-360 90-360 24V AC Fan Relay, Heavy Duty Fan Relay AC Switch SPST with Universal Bracket for Goodman, HVAC Furnace Blower, Humidifier Blower, Heat Sequencer HUAREW APFR-360 90-360 24V AC Fan Relay, Heavy Duty Fan Relay AC Switch SPST with Universal Bracket for Goodman, HVAC Furnace Blower, Humidifier Blower, Heat Sequencer

This HUAREW APFR-360 Fan Relay is perfect for homeowners and HVAC professionals who need a reliable, heavy-duty switch for their heating, cooling, or ventilation systems. It’s easy to install and works with many popular models, making it a great choice for quick repairs or upgrades.

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Detailed Reviews

Discover the top 10 HVAC relays handpicked for reliability and performance. Each product is expert-reviewed and backed by customer feedback, ensuring you find the perfect fit for your needs. Whether you prioritize durability, ease of installation, or affordability, this guide has you covered—read on to make the smart choice for your HVAC system.

1. Dreyoo 1 Pack 24V Fan Relay, 90-380 Isolation Relay AC Switch SPST with UL Certification Compatible with Goodman HVAC Furnace Blower Humidifier Blower Heat Sequencer

Dreyoo 1 Pack 24V Fan Relay, 90-380 Isolation Relay AC Switch SPST with UL Certification Compatible with Goodman HVAC Furnace Blower Humidifier Blower Heat Sequencer

The Dreyoo 24V Fan Relay is a reliable switch solution for your home systems. It works with Goodman HVAC, furnaces, and humidifiers, ensuring smooth operation. This UL-certified relay is built to last and perform well.

It’s easy to install with 6 wire terminals and a clear wiring diagram. The compact design allows quiet and simple operation. Plus, it’s waterproof and heavy-duty, making it durable.

This relay offers circuit protection and is compatible with many devices. Its quality material ensures long-lasting performance. A great choice for home appliance control.

Pros Cons
  • Compact, lightweight design ensures quiet, simple operation.
  • UL Certified for heavy-duty, waterproof performance.
  • Wide compatibility with Goodman HVAC, furnaces, and more.
  • Easy installation with clear wiring diagram included.
  • Limited to 24V systems, not universal.
  • No included wiring accessories, buy separately.
  • Compact design may overheat under heavy use.

Perfect For:

This 24V fan relay is perfect for homeowners and HVAC technicians who need a reliable and easy-to-install solution for their Goodman HVAC systems, furnaces, or humidifiers. It’s great for anyone looking to replace a faulty relay or upgrade their system with a waterproof, heavy-duty option.

Ready to Purchase?

2. 2 Pack 24V Fan Relay AC Switch SPST Fit for Fan Control HVAC Coleman Furnace Blower Humidifier Goodman Blower Heating Sequencer Relay 90-980 Isolation Relay AC Switch SPST

2 Pack 24V Fan Relay AC Switch SPST Fit for Fan Control HVAC Coleman Furnace Blower Humidifier Goodman Blower Heating Sequencer Relay 90-980 Isolation Relay AC Switch SPST

Control your HVAC system with ease using this 2-pack of 24V fan relays. They work perfectly with fans, blowers, and furnaces. These relays are built tough and last long.

Simple to install, these relays are great for DIY projects or professional use. They come with clear wiring diagrams and six terminals for easy setup.

Reliable and quiet, these relays keep your system running smoothly. They handle 24V signals and ensure efficient fan control every time.

Pros Cons
  • Seamless compatibility with a wide range of HVAC systems.
  • High-quality metal ensures durability and longevity.
  • Easy installation for both pros and DIY enthusiasts.
  • Reliable performance with quiet, efficient operation.
  • No smart features, basic operation only.
  • Limited to 24V systems, not universal.
  • Compact size may be hard to handle for some.

Perfect For:

This 2 Pack 24V Fan Relay is perfect for homeowners and DIY enthusiasts who want to upgrade or repair their HVAC systems. It’s also ideal for professionals needing reliable, high-quality relays for fan control, heating, or cooling systems.

Ready to Purchase?

3. 90340 – 24 Volt Coil General Relay Also Replaces White Rodgers, Emerson, Supco, Honeywell, Packard, Mars, Jard for HVAC Applications and Other General Electrical installations Replaces APSR-340

90340 - 24 Volt Coil General Relay Also Replaces White Rodgers, Emerson, Supco, Honeywell, Packard, Mars, Jard for HVAC Applications and Other General Electrical installations Replaces APSR-340

The 90340 General Relay is a 24-volt coil part that replaces many brands, including White Rodgers, Emerson, Supco, Honeywell, Packard, Mars, and Jard. It’s perfect for HVAC systems, controlling the fan motor in air handlers, and works in appliances, vending machines, and more.

This relay has 2 poles, a DPDT setup, and handles up to 15A. It’s compact, measuring 2 ⅜” x 7 ⅜” x 2 ¼”, and easy to install.

Pros Cons
  • Replaces multiple brands, saving time and money on repairs.
  • Versatile use for HVAC, appliances, and general electrical needs.
  • Durable design with 24 VAC coil for reliable performance.
  • Easy installation with compact dimensions for tight spaces.
  • No warranty details provided, leaving buyers unsure of coverage.
  • Limited compatibility info, may not fit all systems.
  • No installation guide, could confuse first-time users.

Perfect For:

This 24 Volt Coil General Relay is perfect for HVAC technicians, electricians, and DIY enthusiasts who need a reliable replacement part for their air conditioning systems, vending machines, or appliances. It’s also ideal for general electrical installations where a durable and versatile relay is needed.

Ready to Purchase?

4. Functional Devices RIBU1C Enclosed Pilot Relay, 10 Amp Spdt with 10-30 Vac/Dc/120 Vac Coil

Functional Devices RIBU1C Enclosed Pilot Relay, 10 Amp Spdt with 10-30 Vac/Dc/120 Vac Coil

The Functional Devices RIBU1C is a reliable enclosed pilot relay. It handles 10 amps with a SPDT switch. The coil works with 10-30 VAC/DC or 120 VAC.

This relay is sold individually and is easy to use. It’s a great choice for your projects.

Pros Cons
  • 10-amp SPDT handles heavy loads with ease.
  • Versatile coil works with 10-30V AC/DC or 120V AC.
  • Enclosed design ensures durability and safety.
  • Sold individually for convenient and cost-effective use.
  • Limited to 10 amps, may not suit high-power needs.
  • No built-in overload protection, extra safety needed.
  • Single unit sale, bulk buyers might find it inconvenient.

Perfect For:

The Functional Devices RIBU1C Enclosed Pilot Relay is perfect for anyone needing a reliable 10 amp SPDT relay with a 10-30 VAC/DC/120 VAC coil. It’s ideal for simple, efficient control in home or small projects.

Ready to Purchase?

5. APFR-380 90-980 24V AC Heavy-Duty Fan Relay – Single Pole SPST – Isolated AC Switch for HVAC blowers, humidifiers, Goodman blowers, Heat sequencers – Includes Universal Bracket (1)

APFR-380 90-980 24V AC Heavy-Duty Fan Relay – Single Pole SPST – Isolated AC Switch for HVAC blowers, humidifiers, Goodman blowers, Heat sequencers – Includes Universal Bracket (1)

The APFR-380 90-980 is a heavy-duty fan relay designed for 24V AC systems. It’s a single pole SPST switch, perfect for HVAC blowers, humidifiers, and Goodman blowers. This relay is reliable and durable.

It includes a universal bracket for easy installation. The compact size fits well in tight spaces. Its isolated AC switch ensures safe operation.

This relay is ideal for heat sequencers and other HVAC applications. The LVACODV brand guarantees quality. It’s a must-have for your system needs.

Pros Cons
  • Heavy-duty design ensures reliable performance for HVAC systems.
  • Single Pole SPST switch for simple and efficient control.
  • Isolated AC feature protects equipment from electrical issues.
  • Universal bracket included for easy installation and versatility.
  • No warranty included, so repairs or replacements are on you.
  • Single unit only, no bulk options for larger projects.
  • Limited compatibility with non-standard HVAC systems.

Perfect For:

This heavy-duty fan relay is perfect for homeowners and HVAC professionals who need a reliable switch for HVAC blowers, humidifiers, or heat sequencers. It’s easy to install and works great with Goodman blowers.

Ready to Purchase?

6. Dreyoo 1 Pcs 24V Coil 40A 2 Pole Air Conditioner Contactor, UL Certified HVAC Motor Contactor, Air Conditioner Replacement Relay, Compatible with C230b, Heat Pump, Refrigeration Systems

Dreyoo 1 Pcs 24V Coil 40A 2 Pole Air Conditioner Contactor, UL Certified HVAC Motor Contactor, Air Conditioner Replacement Relay, Compatible with C230b, Heat Pump, Refrigeration Systems

The Dreyoo Air Conditioner Contactor is built tough for reliable performance. It handles 40A full load and 50A resistive load, meeting UL508 standards. Its sealed coil keeps moisture out, ensuring long-lasting use.

This contactor is industrial-grade durable, with dust and water resistance. It works in extreme temperatures from -40°F to +221°F. Tested for 100,000+ operations, it’s perfect for rooftop AC units and industrial systems.

It’s compatible with many systems, including Mars 17421 and Cutler Hammer C25BNB240T. The package includes DIN rail mounts, stainless steel screws, and wiring schematics. Easy to install and ready to use.

Pros Cons
  • Reliable 24V coil tech ensures steady 40A performance.
  • Durable design resists dust, water, and extreme temps (-40°F to 221°F).
  • Wide compatibility with HVAC, refrigeration, and industrial systems.
  • Quick 0.15s response time for precise motor control.
  • Limited to specific voltage and frequency ranges.
  • No built-in surge protection for power spikes.
  • Requires technical knowledge for proper installation.

Perfect For:

This Dreyoo Air Conditioner Contactor is perfect for anyone needing a reliable, durable solution for HVAC systems, industrial refrigeration, or commercial equipment. It’s ideal for professionals and homeowners alike, ensuring precise control and long-lasting performance in tough environments.

Ready to Purchase?

7. Dreyoo 2 Pack 24V Fan Relay, 90-380 Isolation Relay AC Switch SPST with UL Certification Compatible with Goodman HVAC Furnace Blower Humidifier Blower Heat Sequencer

Dreyoo 2 Pack 24V Fan Relay, 90-380 Isolation Relay AC Switch SPST with UL Certification Compatible with Goodman HVAC Furnace Blower Humidifier Blower Heat Sequencer

The Dreyoo 2 Pack 24V Fan Relay is a reliable switch solution. It works with Goodman HVAC systems and more. This 24VAC relay offers circuit protection for your devices.

It’s UL certified, ensuring heavy-duty performance. The waterproof design adds extra durability. Perfect for fans, blowers, and furnaces.

Installation is simple and quick. Just follow the wiring diagram printed on the relay. Its compact and quiet design makes it a great choice.

Pros Cons
  • UL Certified for safety and reliability.
  • Wide compatibility with HVAC, blower, and furnace systems.
  • Easy installation with clear wiring diagram.
  • Compact design ensures quiet, efficient operation.
  • Limited to 24V systems, not universal.
  • No included wiring accessories, buy separately.
  • Compact design may be hard to handle for some.

Perfect For:

This 24V fan relay is perfect for homeowners and DIY enthusiasts who need a reliable switch solution for their HVAC systems, furnaces, or appliances. It’s easy to install and works great with Goodman blowers, fans, and more.

Ready to Purchase?

8. Dreyoo 1 Pack 24V Fan Relay, 90-980 Isolation Relay AC Switch SPST with UL Certification Compatible with Goodman HVAC Furnace Blower Humidifier Blower Heat Sequencer

Dreyoo 1 Pack 24V Fan Relay, 90-980 Isolation Relay AC Switch SPST with UL Certification Compatible with Goodman HVAC Furnace Blower Humidifier Blower Heat Sequencer

The Dreyoo 24V Fan Relay is a reliable replacement for your HVAC system. It’s UL certified for safety and performance. This compact relay works with Goodman blowers, furnaces, and more.

It’s easy to install with clear wiring instructions. The waterproof design ensures durable, quiet operation in any setting.

Pros Cons
  • 24VAC relay offers circuit protection for your devices.
  • UL Certified for heavy-duty and waterproof performance.
  • Easy installation with 6 wire terminals and clear wiring diagram.
  • Compact design ensures quiet and simple operation.
  • Limited to 24V systems, not universal.
  • No included wiring accessories, buy separately.
  • Single-pack only, not cost-effective for bulk needs.

Perfect For:

This 24V fan relay is perfect for homeowners and DIY enthusiasts who need a reliable switch solution for their HVAC systems, furnaces, or appliances. It’s easy to install and works great with Goodman blowers, fans, and more.

Ready to Purchase?

9. Supco 90370 General Purpose Fan Relay, 12 A Load Current, 24 V Coil Voltage, Single Pole Double Throw Contacts

Supco 90370 General Purpose Fan Relay, 12 A Load Current, 24 V Coil Voltage, Single Pole Double Throw Contacts

The Supco 90370 is a general-purpose fan relay designed for simple and reliable control. It manages electric signals to operate a fan efficiently. This relay is a practical solution for fan systems.

It has a 12 A load current and 24 V coil voltage, making it compatible with many setups. The SPDT contacts offer flexibility in wiring. Its sealed enclosure ensures durability and protection.

This relay is easy to install and built to last. It’s a dependable choice for fan control needs. The Supco 90370 delivers consistent performance in any application.

Pros Cons
  • Controls fan signals with precision and reliability.
  • Sealed enclosure protects against dust and moisture.
  • Versatile contact forms for flexible wiring options.
  • Handles 12 A load for powerful fan control.
  • Limited to 24V coil voltage, not suitable for all systems.
  • No built-in overload protection for heavy fan use.
  • Single purpose relay, lacks versatility for other devices.

Perfect For:

The Supco 90370 Fan Relay is perfect for anyone needing to control a fan with simple, reliable technology. It’s ideal for home or small projects where basic fan control is essential.

Ready to Purchase?

10. HUAREW APFR-360 90-360 24V AC Fan Relay, Heavy Duty Fan Relay AC Switch SPST with Universal Bracket for Goodman, HVAC Furnace Blower, Humidifier Blower, Heat Sequencer

HUAREW APFR-360 90-360 24V AC Fan Relay, Heavy Duty Fan Relay AC Switch SPST with Universal Bracket for Goodman, HVAC Furnace Blower, Humidifier Blower, Heat Sequencer

The HUAREW APFR-360 Fan Relay is a heavy-duty switch for HVAC systems. It works with 24V AC power and is easy to install. This relay is built to last and keeps your systems running smoothly.

It replaces popular models like Jard 92360 and Mars 90360. The relay is compatible with many systems, including furnaces and humidifiers.

Installation is simple with a clear wiring diagram. It’s versatile and works in heating, cooling, and ventilation setups.

Pros Cons
  • Heavy-duty 24V AC fan relay for reliable HVAC performance.
  • Easy installation with clear wiring diagram and universal bracket.
  • Versatile use in heating, AC, refrigeration, and ventilation systems.
  • Compatible with popular models for seamless replacement.
  • No warranty info provided.
  • Limited to 24V AC systems.
  • No smart features included.

Perfect For:

This HUAREW APFR-360 Fan Relay is perfect for homeowners and HVAC professionals who need a reliable, heavy-duty switch for their heating, cooling, or ventilation systems. It’s easy to install and works with many popular models, making it a great choice for quick repairs or upgrades.

Ready to Purchase?

Buying Guide

Choosing the right HVAC relay is key to keeping your home comfortable. Relays control fans, blowers, and furnaces, ensuring smooth operation.

Here’s what to consider when buying:

  • Compatibility: Make sure the relay works with your HVAC system, furnace, or humidifier. Check for brand compatibility like Goodman or Coleman.
  • Voltage: Most HVAC relays use 24V signals. Ensure the relay matches your system’s voltage for safe operation.
  • Type of Relay: Choose between SPST (Single Pole, Single Throw) or DPDT (Double Pole, Double Throw) based on your needs.
  • Amperage Rating: Check the relay’s amp rating to handle your system’s load. Higher amps mean more power capacity.
  • Durability: Look for waterproof, dust-resistant, and heavy-duty relays for long-lasting performance.
  • Ease of Installation: Opt for relays with clear wiring diagrams and universal brackets for hassle-free setup.
  • Certification: UL-certified relays meet safety standards, ensuring reliability and quality.
  • Noise Level: Choose quiet relays for a peaceful home environment.
  • Brand Reputation: Trusted brands like Dreyoo, Supco, and HUAREW offer reliable and tested products.

With these factors in mind, you’ll find the perfect HVAC relay to keep your system running smoothly.