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Premium Electrical Service
Monitor electrical consumption and control selected loads with compatible lighting, timers, sensors, and smart electrical equipment.
AJ Long Electric installs compatible LED lighting, thermostat wiring, occupancy sensors, energy monitors, and load timers in Northern Virginia. Scope and pricing depend on the existing wiring, selected equipment, and circuits involved. Monitoring can support usage decisions, but consumption, utility-bill savings, and payback vary and are not guaranteed.
Overview

AJ Long Electric evaluates electrical loads and installs compatible LED lighting, thermostat wiring, occupancy sensors, smart plugs and switches, energy monitors, and timers for equipment such as water heaters or pool pumps. These devices can change when and how a load operates, while monitoring can help a homeowner understand consumption patterns. Whole-home utility-bill results depend on weather, rates, occupancy, appliance condition, equipment settings, and other loads outside the electrical scope. We document observed conditions and available control options, but do not promise a fixed reduction, dollar savings, or payback period.
Compatible monitoring equipment can show when selected circuits and appliances use electricity.
Reducing selected loads or run time can reduce electricity consumption; the result depends on use and equipment.
Compatible controls can operate selected lights and devices on homeowner-defined schedules.
Usage data can help you compare loads and prioritize future changes without assuming a fixed payback.
Equipment and controls are selected for the existing wiring, loads, and homeowner goals.
Serving Fairfax, Vienna, McLean, Oakton, Burke, Annandale, Falls Church, Arlington & Alexandria.
Local Expertise
Fairfax, Arlington, Alexandria, Loudoun & Prince William Counties
Northern Virginia's hot, humid summers, cold-weather heating loads, and varied housing stock can produce very different consumption patterns from one property to another. Older homes may have legacy lighting and limited control wiring, while newer homes may already have efficient equipment but lack circuit-level usage data. Homeowners considering time-of-use or other rate-based schedules should compare the selected equipment and load timing with the utility's current written tariff. Changing a schedule can shift when a compatible load operates, but the effect on consumption and cost depends on the equipment, use, weather, occupancy, and current rate terms; no fixed percentage or dollar savings applies.
Real Projects
See how we have helped homeowners across Northern Virginia with their energy efficiency upgrades needs.
Challenge
A representative colonial may have a mix of incandescent, CFL, and LED lighting, limited lighting controls, and no baseline data for comparing selected loads.
Solution
A possible scope would inventory compatible fixtures and lamps, identify suitable dimmer and occupancy-sensor locations, and evaluate a listed energy monitor for the panel and the homeowner's measurement goals.
Result
The connected lighting wattage would be documented before product selection, and compatible monitoring could provide data for comparisons over time. Utility-bill results would still depend on run time, weather, rates, occupancy, equipment operation, and other household loads.
Challenge
A representative townhome may have a thermostat without scheduling or remote control, missing thermostat conductors, older recessed lamps, and selected plug loads that operate outside occupied hours.
Solution
A possible scope would verify HVAC-control compatibility, identify any needed thermostat wiring, compare compatible LED retrofits, and define smart-plug locations only for equipment listed for that control method.
Result
The controls could be configured around the homeowner's selected schedule, with future usage compared through available utility or equipment reports. Any consumption or utility-bill change would vary and would not be guaranteed.
Challenge
A representative older split-level may have aging lighting, no circuit-level monitoring, selected loads without schedules, or warm or discolored devices that require electrical diagnosis rather than an assumed efficiency explanation.
Solution
A possible scope would separate safety repairs from optional lighting, monitoring, sensor, and listed timer work. Equipment compatibility and the water-heater manufacturer's requirements would be verified before any control is specified.
Result
A compatible timer and monitor could provide a defined operating schedule and consumption data. Corrective wiring work would be documented as a safety or reliability scope, with no fixed energy reduction or utility-bill outcome claimed.
Challenge
A representative estate may have landscape lighting, pool equipment, multiple HVAC zones, interior lighting, outbuildings, and more than one panel to evaluate.
Solution
A possible scope would document the major loads and panels, compare compatible LED lighting and listed timers or controls, verify equipment schedules with the homeowner, and define monitoring coverage and network requirements.
Result
The selected controls could be commissioned to homeowner-approved schedules, with monitoring configured for comparison over time. Actual consumption and utility-bill results would vary with equipment use, weather, occupancy, and current rate-plan terms.
Permits & Compliance
Permit requirements for energy efficiency upgrades vary by county. We handle the entire permitting process for you.
Permit Process
Fairfax County does not require permits for like-for-like device replacements including LED bulb swaps, thermostat replacements, timer installations, and occupancy sensor installations. New circuit installations or panel modifications for energy monitoring equipment may require permits.
Inspection Notes
No inspection is required for device-level energy upgrades. Whole-home energy monitors that connect inside the panel using CT clamps do not typically require permits in Fairfax County, but new circuit additions follow standard permit requirements.
Special Requirements
Permit Process
Loudoun County exempts energy efficiency device upgrades from permit requirements. LED conversions, smart thermostat installations, timer additions, and sensor installations are classified as maintenance. Energy monitoring installations using CT clamps in the panel are also generally exempt.
Inspection Notes
No inspections are required for standard energy efficiency upgrades. If new circuits are added as part of a broader energy efficiency project, standard Loudoun County electrical permit procedures apply.
Special Requirements
Permit Process
Prince William County does not require permits for energy efficiency upgrades that involve device replacements and additions on existing circuits. This includes LED conversions, thermostat swaps, timer installations, and energy monitor CT clamp installations.
Inspection Notes
Standard device-level energy upgrades are exempt from inspection. Wiring upgrades and new circuit installations require standard electrical permits and inspections through Prince William County.
Special Requirements
Permit Process
Arlington County supports energy efficiency upgrades and does not require permits for device-level improvements. LED conversions, smart controls, monitoring systems, and timer installations are all classified as exempt maintenance activities.
Inspection Notes
No inspection is needed for standard energy efficiency work. Arlington is notably supportive of residential energy efficiency initiatives and maintains streamlined processes for any associated permit needs.
Special Requirements
Pricing Options
Transparent options organized by project scope. Your approved estimate defines the included work.
Quoted after equipment and wiring review
Targeted lighting, control, or monitoring options selected from the home's documented conditions and priorities.
Quoted after equipment and wiring review
A coordinated scope combining compatible LED lighting, selected controls, and energy monitoring.
Quoted after equipment and wiring review
A larger property-specific scope with monitoring, selected automation, and documented wiring work.
Prices may vary based on the specific requirements of your project, the condition of existing electrical systems, and your home's unique characteristics. Contact us to request a property-specific estimate.
By Home Type
Different home styles have unique electrical characteristics. Select your housing type to see specific considerations.
Colonial homes across Fairfax County can have several fixture types across multiple floors and a basement. A lighting inventory can identify compatible LED lamps or retrofits and the locations where dimmer compatibility matters. Multi-zone HVAC systems require each thermostat, zone control, and available conductor to be reviewed before smart controls are selected; no fixed whole-home savings result is assumed.
How It Works
We follow a proven process to ensure your project is completed safely, on time, and to your complete satisfaction.
We document the selected electrical loads, existing wiring, controls, and homeowner goals.
We compare compatible lighting, control, timer, sensor, and monitoring options without assuming a fixed savings result.
You receive a defined electrical scope and pricing; any planning scenario identifies its assumptions and is not a utility-bill or payback guarantee.
Installation is scheduled from the final equipment list, circuit access, permit path when applicable, and defined scope.
We configure the installed controls and monitors to the settings included in the proposal.
When monitoring is included, we explain how the homeowner can compare usage over time and adjust supported settings.
FAQs
Get answers to common questions about our energy efficiency upgrades services.
The answer depends on which loads operate most often and how the home is used. An energy monitor or documented load review can help identify lighting, water-heating, pool, or plug loads worth evaluating. LED conversion lowers the connected lighting load, but its effect on the total utility bill varies with run time, fixture count, rates, and other household loads.
There is no universal percentage or dollar result. Savings vary with existing equipment, run time, weather, occupancy, utility rates, control settings, and behavior. We can document existing loads and model planning scenarios, but measured utility-bill results are not guaranteed.
The project is quoted after the existing wiring, device compatibility, circuit access, and selected equipment are reviewed. A proposal can separate lighting, controls, monitoring, and timer options, but no fixed payback period is promised.
A compatible energy monitor uses sensors at the electrical panel to report consumption data according to the selected system's capabilities. Some products estimate appliance use, while others monitor defined circuits. The data can support comparisons over time, but device identification and measurement precision vary by product and installation.
Utility, manufacturer, state, or federal programs may be available, but eligibility, deadlines, and covered equipment change. Homeowners should verify current written terms with the program administrator and consult a qualified tax professional for tax questions. A proposal can identify the installed equipment and electrical scope, but AJ Long Electric does not promise eligibility or approval.
A coordinated LED scope may reduce repeat visits, but it is not automatically the best choice for every home. We first confirm fixture, lamp, dimmer, location, and access compatibility, then the proposal can group selected areas or phases. LEDs lower the connected lighting load compared with higher-wattage lamps; total utility-bill impact and payback vary with run time, rates, product life, and project cost.
Smart plugs, switches, schedules, and occupancy sensors can reduce the time selected loads operate, but the result depends on the connected equipment and how it was used before installation. Monitoring is the appropriate way to compare usage; no universal percentage or dollar savings applies.
Some buyers may value modern lighting, controls, or energy information, but there is no fixed property-value increase. Resale impact depends on the market, property, equipment condition, documentation, and buyer preferences; an appraiser or local real-estate professional should assess a specific home.
Pricing
Every home is different. Here are the factors that influence pricing for energy efficiency upgrades services.
Quoted after the equipment, wiring, access, and final scope are defined
Quoted after the equipment, wiring, device count, access, and final scope are reviewed
Energy-efficiency proposals distinguish measured existing conditions from estimates and do not guarantee utility-bill or energy-savings results. Supplied equipment carries only the manufacturer's current written warranty terms.
At a Glance
Typical pricing, timeline, and what's included for energy efficiency upgrades in Northern Virginia.
| Detail | Specification |
|---|---|
| Typical price range | Quoted after the equipment, wiring, device count, access, and final scope are reviewed |
| Typical timeline | Quoted after the equipment, wiring, access, and final scope are defined |
| Permits & code | Performed to applicable code requirements: LED retrofits must maintain proper fixture ratings (IC, non-IC, wet location) per original installation; Smart switches require a neutral wire in the switch box per NEC 404.2(C) for most models; Energy monitoring equipment installed inside panels must comply with NEC requirements for panel access and fill; Timer-controlled circuits must still comply with all applicable code requirements for the load they control |
| Warranty | Energy-efficiency proposals distinguish measured existing conditions from estimates and do not guarantee utility-bill or energy-savings results. Supplied equipment carries only the manufacturer's current written warranty terms. |
| Brands & certifications | Lutron (smart lighting control), Sense (energy monitoring), Emporia Vue (energy monitoring), Leviton (smart devices), Energy Star Certified Products, Utility-program eligibility verified from current written terms when relevant |
Related Services
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Our Promise
Energy-efficiency upgrades start with observed loads and the homeowner's goals. AJ Long Electric can assess compatible LED lighting, controls, timers, and energy-monitoring equipment, then create a prioritized electrical scope. Monitoring can help identify consumption patterns, but it does not prove that a particular upgrade will produce a fixed savings amount. Our electricians account for Northern Virginia housing differences such as older lighting, missing control conductors, and aging connections. Available utility programs and equipment eligibility change, so homeowners should confirm current written terms directly with the program administrator.
Virginia Licensed Electricians
Fully Bonded & Insured
Serving Northern Virginia
On All Workmanship
Service Areas
We proudly provide energy efficiency upgrades services across Northern Virginia, Washington DC, and Maryland. Click on your area to learn more.
Guides
Expert electrical guides to help you make informed decisions.
Per-fixture install costs by ceiling type, layout planning for kitchen + basement + living room installs, dimmer compatibility, and the cost-driving factors in a typical Northern Virginia home.
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Expert Resources
Learn more about energy efficiency upgrades from our team of licensed electricians in Northern Virginia.

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