Home Generator Installation in King George, VA and NOVA
Power When You Need It Most with a Home Generator
Power outages are more than just inconvenient—they can disrupt daily life, damage appliances, and even pose safety risks. Whether it’s due to storms, downed lines, or grid failure, you shouldn’t have to wait in the dark. A reliable home generator provides uninterrupted power to keep your essentials running—from HVAC systems and refrigerators to medical equipment and security features. At OHA HVAC, Plumbing, Chimney and Fireplaces, we provide professional Home Generator Installation in Fredericksburg and King George, VA, NOVA and surrounding areas to give you peace of mind when the lights go out—so your home stays safe, comfortable, and fully powered.
Call 703-213-5161 today and protect your home with reliable backup power that kicks in when you need it most!
Trusted Solutions from Start to Finish
When you work with OHA HVAC, Plumbing, Chimney and Fireplaces, you’re getting more than just equipment—you’re getting a partner who understands your home’s power needs. We help you select the right generator size, fuel source, and setup to ensure seamless transitions and long-lasting performance. Our licensed technicians handle everything from permitting and prep work to installation and final testing, so you’re never left guessing. Safety, reliability, and code-compliance come standard with every job.
What’s Included in Our Generator Installations
Our team delivers turn-key solutions so you’re ready for anything. Every system is tailored to your home and backed by expert installation. Our services include:
Consultation to determine your home’s power load and backup needs
Selection and installation of trusted generator brands (portable or standby)
Fuel source coordination (natural gas, propane, or diesel)
Automatic transfer switch installation
Electrical panel integration and full system wiring
Permitting and code-compliant installation
Startup testing and homeowner walkthrough
Ongoing maintenance support and system checks
We make sure your generator is ready to perform at a moment’s notice—without disrupting your home’s layout or power flow.
Call Now for Seamless Backup Power
Don’t wait for the next storm or outage to realize you need a generator. Trust OHA HVAC, Plumbing, Chimney and Fireplaces for professional, dependable Home Generator Installation in Fredericksburg and King George, VA, NOVA and surrounding areas. Whether you want whole-home protection or targeted coverage, we’ll design a solution that keeps your home running—no matter what.
Call 703-213-5161 today to schedule your installation and take control of your power, your safety, and your peace of mind.
Frequently Asked Questions About Home Generator Installation
Why should I install a home standby generator?
A home generator provides automatic backup power during outages, keeping essentials like lights, HVAC, and medical devices running without interruption.
What size generator do I need for my home?
The right size depends on your home’s square footage and the number of appliances you want to power. We’ll help you choose a generator that fits your needs and budget.
How long does the installation process take?
Most home generator installations take one to two days, depending on your home’s setup and whether electrical or gas line upgrades are needed.
Do standby generators require regular maintenance?
Yes, regular maintenance—such as oil changes, filter checks, and load testing—is essential to ensure your generator starts and runs reliably when you need it most.
Most Recent Pins (14)
Brian Hatfield
An HVAC technician provided an estimate for a heating and cooling system in Vienna, Virginia. The assessment included the current system's condition and recommendations for upgrades or replacements based on energy efficiency and performance.
Scott Brown
A technician in Fredericksburg, VA completed a membership maintenance visit. Services included a heating system inspection, gas fireplace cleaning and safety check, and generator startup testing. The technician verified electrical components, flushed the condensate drain, confirmed thermostat accuracy, and noted future generator service needs. The system was restored to customer settings without issues.
Scott Brown
OHA HVAC Plumbing Chimney and Fireplaces completed annual generator maintenance in Fredericksburg, Virginia. The team confirmed prior service history, tested system readiness, and reviewed battery replacement options. No problems were found, and the generator remains fully operational under an active membership plan. A maintenance kit was prepared for future service needs.
Scott Brown
OHA HVAC Plumbing Chimney and Fireplaces conducted a free estimate in Stafford, VA for a whole home generator installation. The technician accessed the panel box through the basement after phone coordination with the homeowner. Limited access to the outdoor unit occurred due to roaming chickens in the backyard.
Scott Brown
OHA HVAC Plumbing Chimney and Fireplaces completed annual maintenance on an 18 kW Generac generator in Stafford, VA. Technicians replaced the starting relay, changed the oil and filters, inspected wiring, tested the battery, and set up a WiFi connection. The generator was tested under load and confirmed fully operational. Key replacement assistance was also provided.
Scott Brown
A technician completed generator maintenance in Stafford, VA. The service included replacing the starting relay and confirming proper operation. The technician noted the need for a full maintenance kit for the next visit. The homeowner also requested a new generator key.
Scott Brown
OHA HVAC Plumbing Chimney and Fireplaces provided a free estimate in Fredericksburg, VA for installing a whole home generator. The home uses a 50-gallon propane tank with gas-powered HVAC, dryer, water heater, and range. The customer is comparing estimates before moving forward.
Scott Brown
OHA HVAC Plumbing Chimney and Fireplaces completed a generator service in Burke, VA. Technicians repaired wiring, cleaned the system, and performed safety and performance tests on a 22KW Generac unit. The generator now functions correctly and includes a one-year limited warranty.
Scott Brown
A technician performed a generator installation survey at a residence in Fredericksburg, Virginia. The homeowner’s son provided access to the property. After assessing the generator requirements, the technician sent a detailed quote and arranged a follow-up call to review the estimate and plan the next steps.
Scott Brown
A technician completed generator maintenance in Spotsylvania Courthouse, VA. They replaced the oil, oil filter, air filter, and spark plugs. They restored battery charging, confirmed breaker settings, and returned cleaned air cleaner filters. The generator is now fully serviced and running properly.
Scott Brown
OHA HVAC Plumbing Chimney and Fireplaces completed full generator maintenance in Unionville, Virginia. The team replaced oil, spark plugs, air and oil filters, corrected a battery charging issue, and verified automatic operation. The unit now functions properly and is ready for use.
Scott Brown
OHA HVAC Plumbing Roofing Chimney and Fireplaces provided a whole home generator estimate in Vienna, Virginia. The team discussed generator size based on household power needs and layout. The estimate supports planning for installation later in the year to ensure reliable backup power for the growing family.
Scott Brown
A technician provided an estimate for installing a 24KW Generac whole home generator. The customer plans to review the proposal with a family member before making a decision. Service took place in Fredericksburg, Virginia.
Scott Brown
A technician in Spotsylvania Courthouse, VA repaired a generator showing fault lights. The service included inspecting battery voltage, oil, and spark plugs, diagnosing a rusted negative battery terminal, cleaning connections, and resetting the system. The generator now runs correctly.
