
Whole Home Surge Protection: Protecting Your Electronics and Appliances
Power surges damage electronics and appliances worth billions annually. Learn how whole-home surge protection works and...

University Park homes contain thousands of dollars in sensitive electronics that power surges can destroy in an instant. Computers, televisions, smart home devices, kitchen appliances, and HVAC systems all contain delicate circuits vulnerable to voltage spikes. Whole-home surge protection provides critical defense against these damaging events.
Power surges reach University Park homes from multiple sources. Lightning strikes generate massive surges that travel through power lines for miles. Utility grid switching during maintenance or after outages creates voltage spikes. Even large appliances cycling on and off within your own home generate smaller surges that degrade electronics over time.
University Park homes with 1930s-40s homes with original wiring may be particularly vulnerable to surge-related issues. Older electrical systems often lack the grounding quality that helps dissipate surge energy safely.
Whole-home surge protection installs at your electrical panel, stopping surges before they enter your home's wiring. Unlike power strip surge protectors that only protect devices plugged into that specific strip, panel-mounted protection covers every outlet and hardwired appliance in your home. This includes your HVAC system, water heater, and garage door opener that strips cannot protect.
Quality surge protectors absorb energy measured in joules, with higher ratings providing better protection. We install professional-grade units with adequate capacity for University Park homes and indicator lights that show protection status. Most units include connected equipment warranties providing additional peace of mind.
For comprehensive protection, we recommend layering whole-home protection with point-of-use surge protectors for your most sensitive equipment. This belt-and-suspenders approach provides maximum defense against surge damage. We also ensure proper grounding throughout your electrical system, as effective surge protection depends on quality grounding to dissipate energy safely.
Covers every outlet and appliance in the house.
Cheaper than replacing fried appliances.
Many units come with connected equipment warranties.
Type 1 and Type 2 SPDs work together to stop surges from both external events and internal appliance cycling.
Manufacturer connected equipment warranties up to $100,000 provide financial protection if a surge damages your electronics.
The NEC 2020 requires surge protection for new dwelling units -- installing now brings your home up to the latest standard.
We examine your electrical panel to determine the best location and appropriate surge protector model for your home.
We discuss your protection needs based on equipment value, local lightning activity, and power quality concerns.
You receive a straightforward estimate for the surge protector and installation.
We install the surge protector at your panel with proper breaker connection and grounding.
For homes with subpanels or detached structures, we ensure complete coverage.
Get Your Free Estimate
Contact us for a detailed, no-obligation quote for your University Park property.
Get a free estimate for surge protection in University Park.
Or call (703) 997-0026
FAQs
Surge Protection costs in University Park vary based on several factors including surge protector capacity (joule rating), panel type and available breaker space, number of panels requiring protection. For colonial homes in University Park, we provide free, detailed estimates so you know exactly what to expect. Contact us at (703) 997-0026 for a no-obligation quote specific to your University Park property.
Most surge protection projects in Prince George's County require electrical permits to ensure code compliance and safety. AJ Long Electric handles all permit applications and inspections as part of our service. We are fully familiar with Prince George's County's permitting requirements and ensure your project meets all Maryland electrical codes.
For colonial and tudor homes common in University Park, surge protection typically takes varies based on scope. Factors like home age (around 1938) and accessibility can affect timeline. We always complete projects efficiently while maintaining our high quality standards.
University Park homes, many built around 1938, often present unique challenges: 1930s-40s homes with original wiring. Historic character preservation. Our electricians have extensive experience with colonial construction and know how to address these issues efficiently during surge protection projects.
With over 30 years serving Prince George's County, we understand University Park's unique housing stock and electrical systems. We are licensed and insured in Maryland, maintain a 4.9-star rating with 1,400+ reviews, and provide upfront pricing with no hidden fees. Our electricians know the colonial, tudor, bungalow, cape cod homes in University Park and deliver reliable, code-compliant surge protection services.
Yes, we offer same-day and next-day scheduling for surge protection projects in University Park when available. For urgent electrical needs, our technicians can often arrive within 2-4 hours. We maintain service vehicles throughout Prince George's County to ensure rapid response to University Park and surrounding neighborhoods.
All surge protection work in University Park is backed by our workmanship warranty and our satisfaction guarantee. We stand behind every project and return at no charge if any issues arise. Additionally, equipment and materials carry manufacturer warranties. We provide complete documentation for your records.
Explore our complete range of electrical services for University Park homeowners.
Upgrade your home's electrical capacity with safe, modern panel installations.
Stay powered through outages with a safe portable-generator hookup or a silent battery power station.
Replace faulty, tripping, or outdated circuit breakers for reliable power distribution.
Install dedicated circuits for high-draw appliances, workshops, and home offices.
We also provide surge protection in these nearby areas.
Learn about common electrical issues and when to call a professional.
Two-prong ungrounded outlets are common in older homes but lack the safety grounding that protects people and equipment. Several upgrade options exist depending on your home's wiring.
Learn MoreLight bulbs that burn out too quickly can indicate voltage problems, fixture issues, or simply low-quality bulbs. Identifying the pattern helps determine the cause and solution.
Learn MoreStorm-related power loss in Northern Virginia is usually one of three things: a Dominion Energy grid event (out of your control, fixed by the utility); damage to your service entrance (the wires + mast + meter base, which we coordinate with Dominion to repair); or surge damage to your panel and downstream devices (which we repair without utility involvement). The first step is to check the Dominion outage map; the second is to call us if there's visible damage at your home.
Learn MoreExpert electrical guides to help you make informed decisions.
Everything Northern Virginia homeowners need to know about backup power: safely connecting a portable generator with a transfer switch or interlock kit, or installing a silent, fuel-free battery power station.
A comprehensive room-by-room electrical safety checklist every homeowner should review regularly to identify potential hazards.
Expert Resources
Guides our licensed electricians point surge protection customers to most often.

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Contact us today for a free estimate. Our licensed electricians are ready to help with your surge protection project.
AJ Long Electric provides professional surge protection services in University Park, Maryland. We serve colonial, tudor, bungalow, cape cod homes throughout Prince George's County. ZIP codes: 20782. Call (703) 997-0026 for surge protection near Riverdale Road and University of Maryland nearby.