10 Best HVAC Mini Split Surge Protector in 2026

Updated on April 2026
#1
INTERMATIC
  • Protect HVAC systems and household appliances from power surges with the Intermatic AG3000 Surge Protective Device, featuring three modes of protection: L-G, L-L, and L-N.
  • Utilizes advanced Thermally Protected Metal Oxide Varistor (TPMOV) technology for reliable surge protection, significantly reducing hazards associated with traditional MOVs.
  • Constructed with a durable, watertight, and UV-resistant plastic enclosure, making it suitable for both indoor and outdoor use while ensuring long-lasting performance.
  • Includes a green LED indicator to monitor protection status, providing a quick visual verification that devices are safeguarded against power surges.
  • Meets UL safety standards with UL Listing to ANSI/UL 1449 4th Edition, backed by a 3-year product warranty and a $7,500 warranty for connected equipment.
Read More
  • Protect HVAC systems and household appliances from power surges with the Intermatic AG3000 Surge Protective Device, featuring three modes of protection: L-G, L-L, and L-N.
  • Utilizes advanced Thermally Protected Metal Oxide Varistor (TPMOV) technology for reliable surge protection, significantly reducing hazards associated with traditional MOVs.
  • Constructed with a durable, watertight, and UV-resistant plastic enclosure, making it suitable for both indoor and outdoor use while ensuring long-lasting performance.
  • Includes a green LED indicator to monitor protection status, providing a quick visual verification that devices are safeguarded against power surges.
  • Meets UL safety standards with UL Listing to ANSI/UL 1449 4th Edition, backed by a 3-year product warranty and a $7,500 warranty for connected equipment.
Read More
#2
Best Value
MARS
  • Easy to install with a weather-resistant enclosure
  • Indicator light for LED protection
  • Compatible with Type 1 and 2 installations without needing extra overcurrent protection
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  • Easy to install with a weather-resistant enclosure
  • Indicator light for LED protection
  • Compatible with Type 1 and 2 installations without needing extra overcurrent protection
#3
YUKGAMS
  • 【HVAC Surge Protector 】The AG3000 surge protection offers three protection modes: L-G (Line to Ground), L-L (Line to Line), and L-N (Line to Neutral). Helps safeguard HVAC systems, air conditioners, and household appliances against electrical surges
  • 【Advanced TPMOV Technology 】 Mini split surge protective equipped with Thermally Protected Metal Oxide Varistor (TPMOV) technology to reduce risks associated with standard MOVs. Delivers safe, reliable, and long-lasting surge protection
  • 【Durable Type 4X Enclosure 】This hvac surge protector 240v features a UV-resistant and watertight plastic housing, ensuring long-lasting performance in harsh indoor or outdoor environments, including rain, lightning, and direct sunlight
  • 【LED Indicator for Easy Monitoring】 The built-in green LED provides instant status updates, allowing quick confirmation that your mini split surge protector or ac surge protector is actively protecting your equipment
  • 【Tested & Reliable Protection】Each hvac surge protector 240v is rigorously tested before shipment. Comes with 6-year support and responsive customer service, giving you confidence in long-lasting surge protection for HVAC systems
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  • 【HVAC Surge Protector 】The AG3000 surge protection offers three protection modes: L-G (Line to Ground), L-L (Line to Line), and L-N (Line to Neutral). Helps safeguard HVAC systems, air conditioners, and household appliances against electrical surges
  • 【Advanced TPMOV Technology 】 Mini split surge protective equipped with Thermally Protected Metal Oxide Varistor (TPMOV) technology to reduce risks associated with standard MOVs. Delivers safe, reliable, and long-lasting surge protection
  • 【Durable Type 4X Enclosure 】This hvac surge protector 240v features a UV-resistant and watertight plastic housing, ensuring long-lasting performance in harsh indoor or outdoor environments, including rain, lightning, and direct sunlight
  • 【LED Indicator for Easy Monitoring】 The built-in green LED provides instant status updates, allowing quick confirmation that your mini split surge protector or ac surge protector is actively protecting your equipment
  • 【Tested & Reliable Protection】Each hvac surge protector 240v is rigorously tested before shipment. Comes with 6-year support and responsive customer service, giving you confidence in long-lasting surge protection for HVAC systems
Read More
#4
INTERMATIC
  • Protect HVAC and appliances with Intermatic AG3000, featuring three modes of surge protection (L-G, L-L, L-N) to prevent damage from power surges.
  • Utilizes advanced Thermally Protected Metal Oxide Varistor technology for enhanced reliability and safety compared to standard MOV technologies.
  • Durable Type 4X watertight and UV resistant enclosure suitable for indoor and outdoor use, ensuring long-term protection from environmental factors.
  • Visual status indicator with green LED shows protection status, allowing for quick verification of equipment safety against power surges.
  • UL Listed to ANSI/UL 1449 4th Edition with a 3-year product warranty and $7,500 connected equipment warranty, ensuring industry-standard safety and quality assurance.
Read More
  • Protect HVAC and appliances with Intermatic AG3000, featuring three modes of surge protection (L-G, L-L, L-N) to prevent damage from power surges.
  • Utilizes advanced Thermally Protected Metal Oxide Varistor technology for enhanced reliability and safety compared to standard MOV technologies.
  • Durable Type 4X watertight and UV resistant enclosure suitable for indoor and outdoor use, ensuring long-term protection from environmental factors.
  • Visual status indicator with green LED shows protection status, allowing for quick verification of equipment safety against power surges.
  • UL Listed to ANSI/UL 1449 4th Edition with a 3-year product warranty and $7,500 connected equipment warranty, ensuring industry-standard safety and quality assurance.
Read More
#5
UNIREACH
  • 【Whole House Surge Protector】 AG3000 safeguards air conditioners, furnaces, mini split systems, water heaters, refrigerators, and other home appliances against overvoltage, spikes, and power surges. The 120/240V AC Surge Protection replacement for Intermatic ag3000.
  • 【Suprior TPMOV Technology】 Air conditioner surge protector uses thermally protected MOV to reliably suppress surges and ensure fire safety.
  • 【LED Indicator for Monitoring】 AG3000 HVAC Surge Protection with a green LED Indicator, which shows surge protection status at a glance, minimizing downtime and failures. Get the ac surge protection to protect your whole house appliances all days.
  • 【Ultra-high Quality】 AG3000 HVAC Surge Protector Built with waterproof, UV-resistant housing for indoor/outdoor use, so it's super durable. Every undergoes rigorous testing before leaving the factory, so please rest assured to use it.
  • 【Easy Installation】Mini split surge protector Mount directly to breaker panels, disconnect boxes, or circuit units. The installation instructions in the package can help you complete the installation quickly.
Read More
  • 【Whole House Surge Protector】 AG3000 safeguards air conditioners, furnaces, mini split systems, water heaters, refrigerators, and other home appliances against overvoltage, spikes, and power surges. The 120/240V AC Surge Protection replacement for Intermatic ag3000.
  • 【Suprior TPMOV Technology】 Air conditioner surge protector uses thermally protected MOV to reliably suppress surges and ensure fire safety.
  • 【LED Indicator for Monitoring】 AG3000 HVAC Surge Protection with a green LED Indicator, which shows surge protection status at a glance, minimizing downtime and failures. Get the ac surge protection to protect your whole house appliances all days.
  • 【Ultra-high Quality】 AG3000 HVAC Surge Protector Built with waterproof, UV-resistant housing for indoor/outdoor use, so it's super durable. Every undergoes rigorous testing before leaving the factory, so please rest assured to use it.
  • 【Easy Installation】Mini split surge protector Mount directly to breaker panels, disconnect boxes, or circuit units. The installation instructions in the package can help you complete the installation quickly.
Read More
#6
UNIREACH
  • 【Whole House Surge Protector】 AG3000 safeguards air conditioners, furnaces, mini split systems, water heaters, refrigerators, and other home appliances against overvoltage, spikes, and power surges. The 120/240V AC Surge Protection replacement for Intermatic ag3000.
  • 【Suprior TPMOV Technology】 Air conditioner surge protector uses thermally protected MOV to reliably suppress surges and ensure fire safety.
  • 【LED Indicator for Monitoring】 AG3000 HVAC Surge Protection with a green LED Indicator, which shows surge protection status at a glance, minimizing downtime and failures. Get the ac surge protection to protect your whole house appliances all days.
  • 【Ultra-high Quality】 AG3000 HVAC Surge Protector Built with waterproof, UV-resistant housing for indoor/outdoor use, so it's super durable. Every undergoes rigorous testing before leaving the factory, so please rest assured to use it.
  • 【Easy Installation】Mini split surge protector Mount directly to breaker panels, disconnect boxes, or circuit units. The installation instructions in the package can help you complete the installation quickly.
Read More
  • 【Whole House Surge Protector】 AG3000 safeguards air conditioners, furnaces, mini split systems, water heaters, refrigerators, and other home appliances against overvoltage, spikes, and power surges. The 120/240V AC Surge Protection replacement for Intermatic ag3000.
  • 【Suprior TPMOV Technology】 Air conditioner surge protector uses thermally protected MOV to reliably suppress surges and ensure fire safety.
  • 【LED Indicator for Monitoring】 AG3000 HVAC Surge Protection with a green LED Indicator, which shows surge protection status at a glance, minimizing downtime and failures. Get the ac surge protection to protect your whole house appliances all days.
  • 【Ultra-high Quality】 AG3000 HVAC Surge Protector Built with waterproof, UV-resistant housing for indoor/outdoor use, so it's super durable. Every undergoes rigorous testing before leaving the factory, so please rest assured to use it.
  • 【Easy Installation】Mini split surge protector Mount directly to breaker panels, disconnect boxes, or circuit units. The installation instructions in the package can help you complete the installation quickly.
Read More
#7
ENRUIEER
5% Off
  • 3-MODE SURGE PROTECTION: The AG3000 surge protector protects HVAC systems and appliances through a triple protection mode (L-G/L-L/L-N), shielding power surges and preventing potential damage
  • ADVANCED TECHNOLOGY :The AG3000 HVAC surge protective with TPMOV technology, ensures longer life and higher thermal safety compared to standard protectors
  • LED DIAGNOSTIC LIGHT : The HVAC surge protector features a clear Green LED indicator that provides real-time status, maintaining the safety of the equipment
  • HIGH QUALITY MATERIAL: The AG3000 HVAC Surge Protector features a 4X waterproof housing that can withstand extreme temperatures ranging from -40°F to 185°F, making it suitable for both indoor and outdoor installations
  • WIDE RANGE OF APPLICATIONS: The surge protector for protecting HVAC, AC, furnace and mini Split. Universal for HVAC equipment and home appliances, easy monitoring
Read More
  • 3-MODE SURGE PROTECTION: The AG3000 surge protector protects HVAC systems and appliances through a triple protection mode (L-G/L-L/L-N), shielding power surges and preventing potential damage
  • ADVANCED TECHNOLOGY :The AG3000 HVAC surge protective with TPMOV technology, ensures longer life and higher thermal safety compared to standard protectors
  • LED DIAGNOSTIC LIGHT : The HVAC surge protector features a clear Green LED indicator that provides real-time status, maintaining the safety of the equipment
  • HIGH QUALITY MATERIAL: The AG3000 HVAC Surge Protector features a 4X waterproof housing that can withstand extreme temperatures ranging from -40°F to 185°F, making it suitable for both indoor and outdoor installations
  • WIDE RANGE OF APPLICATIONS: The surge protector for protecting HVAC, AC, furnace and mini Split. Universal for HVAC equipment and home appliances, easy monitoring
Read More
#8
PIRJECO
  • AG3000 HVAC Surge Protector 3-Mode Protection: L-G (Line to Ground), L-L (Line to Line), and L-N (Line to Neutral). This broad coverage ensures that your HVAC equipment, appliances, and electrical devices are fully protected against damaging electrical surges
  • 4X Watertight Enclosure: Durable Type 4X enclosure with weatherproof, dustproof and corrosion-resistant features, UV resistance, and -40℃ to +80℃ temperature range, suitable for indoor and outdoor installation in harsh environments
  • Universal Compatibility and Whole-House Protection: Designed for 120/240V systems, this universal surge protector serves as a whole-house device, compatible with mini splits, central AC, heat pumps, furnaces and various HVAC equipment
  • Reliable Performance: Compact size for easy installation, with LED indicator for status monitoring; TPMOV technology ensures fail-safe operation
Read More
  • AG3000 HVAC Surge Protector 3-Mode Protection: L-G (Line to Ground), L-L (Line to Line), and L-N (Line to Neutral). This broad coverage ensures that your HVAC equipment, appliances, and electrical devices are fully protected against damaging electrical surges
  • 4X Watertight Enclosure: Durable Type 4X enclosure with weatherproof, dustproof and corrosion-resistant features, UV resistance, and -40℃ to +80℃ temperature range, suitable for indoor and outdoor installation in harsh environments
  • Universal Compatibility and Whole-House Protection: Designed for 120/240V systems, this universal surge protector serves as a whole-house device, compatible with mini splits, central AC, heat pumps, furnaces and various HVAC equipment
  • Reliable Performance: Compact size for easy installation, with LED indicator for status monitoring; TPMOV technology ensures fail-safe operation
Read More
#9
ENRUIEER
  • Three-mode surge protection for HVAC systems and appliances, safeguarding against power surges and potential damage.
  • Utilizes TPMOV technology for enhanced protection against various electrical failures, superior to traditional MOV technology.
  • Weather-resistant Type 4X enclosure (IP66 rated) operates in extreme temperatures from -40°F to 185°F, corrosion-resistant for outdoor use.
  • Green LED indicator provides real-time status of lightning protection equipment for constant safety monitoring.
  • Designed for a diverse range of indoor and outdoor applications, compatible with 120/240 VAC single split phase HVAC systems.
Read More
  • Three-mode surge protection for HVAC systems and appliances, safeguarding against power surges and potential damage.
  • Utilizes TPMOV technology for enhanced protection against various electrical failures, superior to traditional MOV technology.
  • Weather-resistant Type 4X enclosure (IP66 rated) operates in extreme temperatures from -40°F to 185°F, corrosion-resistant for outdoor use.
  • Green LED indicator provides real-time status of lightning protection equipment for constant safety monitoring.
  • Designed for a diverse range of indoor and outdoor applications, compatible with 120/240 VAC single split phase HVAC systems.
Read More
#10
ENRUIEER
  • Three-mode surge protection for HVAC systems and appliances, safeguarding against power surges and potential damage.
  • Utilizes TPMOV technology for enhanced protection against various electrical failures, superior to traditional MOV technology.
  • Weather-resistant Type 4X enclosure (IP66 rated) operates in extreme temperatures from -40°F to 185°F, corrosion-resistant for outdoor use.
  • Green LED indicator provides real-time status of lightning protection equipment for constant safety monitoring.
  • Designed for a diverse range of indoor and outdoor applications, compatible with 120/240 VAC single split phase HVAC systems.
Read More
  • Three-mode surge protection for HVAC systems and appliances, safeguarding against power surges and potential damage.
  • Utilizes TPMOV technology for enhanced protection against various electrical failures, superior to traditional MOV technology.
  • Weather-resistant Type 4X enclosure (IP66 rated) operates in extreme temperatures from -40°F to 185°F, corrosion-resistant for outdoor use.
  • Green LED indicator provides real-time status of lightning protection equipment for constant safety monitoring.
  • Designed for a diverse range of indoor and outdoor applications, compatible with 120/240 VAC single split phase HVAC systems.
Read More

How We Estimate & Rank

We make shopping simple by hand-picking the top 10 HVAC Mini Split Surge Protector just for you. Our team focuses on what’s available right now, what’s popular with other shoppers, and, most importantly, what’s most relevant to your search. We cover leading brands such as Intermatic, MARS, YUKGAMS, UNIREACH, Enruieer, and other trusted names in this category. By filtering out the noise, we ensure you only see high-quality options that actually meet your needs. It’s all the best finds, minus the endless scrolling!

2,796
PRODUCTS SCANNED & ANALYZED

Final Recommendations

We’ve selected three standout options to make your choice easier.

BEST OVERALL

Our overall winner is Intermatic AG3000 120/240 VAC Universal HVAC Surge Protective Device by Intermatic, earning top marks for its balanced combination of quality, performance, and price.

Intermatic AG3000 120/240 VAC Universal HVAC Surge Protective Device - Advanced Surge Protection, TPMOV Tech, Watertight Enclosure - UL Listed for Reliable Safety
BEST VALUE

The best value for most shoppers is Mars 83905 HVAC Surge Protective Device by MARS, earning consistently positive feedback for its performance and accessible pricing.

Mars 83905 HVAC Surge Protective Device
BEST DEAL

The best deal available right now for Surge Protectors is 2Pcs AG3000 HVAC Surge Protector 120/240V by Enruieer, now offered at 5% off.

2Pcs AG3000 HVAC Surge Protector 120/240V, 3-Mode Mini Split Surge Protector with TPMOV Technology, Whole House Surge Protective Device for HVAC, Furnace, AC, Watertight Enclosure