Celebrating 30 Years Serving Northern Virginia Homes
Generator Installations
Generator Installations Manassas, VA
When ice storms, rain, and high winds batter Northern VA, fallen power lines leave thousands of customers without electricity—sometimes for days. Work and home life come to a standstill without power for appliances, lights, and heating or cooling systems. Unforeseen expenses start piling up, and without electricity, refrigerated foods spoil, pipes freeze, and basements flood. Relocation costs only add to the stress. Fortunately, you can prepare your home and family for power grid failures by hiring Parrish Services to install a standby generator in Manassas, VA. Parrish Services offers a free estimate for generator installations in Northern Virginia.
Installing a generator can provide numerous benefits for homeowners and businesses in Manassas, VA. Some of the key advantages of generator installation include:
Reliable Backup Power: A generator provides a dependable source of backup power during outages, ensuring that essential appliances and systems continue to function without interruption.
Increased Safety: Generators can power critical systems such as medical equipment, security systems, and lighting, creating a safe and secure environment during power outages.
Convenience: With a generator, you can continue to use your appliances and electronics during a power outage, minimizing disruptions to your daily life and maintaining comfort.
Cost Savings: Generators can help reduce the cost of food spoilage and other losses during extended power outages, saving you money in the long run.
Increased Property Value: Installing a generator can increase the value of your property, making it more attractive to potential buyers if you decide to sell.
Peace of Mind: Knowing that you have a reliable source of backup power can provide peace of mind, especially during severe weather events or other emergencies.
Innovations to Match Your Lifestyle
Permanent standby generators use natural gas, propane, or other fuels to produce sustained electric power when electric lines go down. Many of these devices feature an automatic transfer switch, which allows the generator to start automatically during a power outage, providing convenience and ensuring power supply without requiring manual intervention. Wi-Fi monitoring lets you track operation, run diagnostic tests, and spot potential repairs early—before the generator is called into service. Other essential features include auto fuel cutoff, which safeguards against fire and increases energy efficiency.
Parrish Financing Plans
Parrish and GreenSky® have teamed up to offer affordable financing for generator installation and other services over $500. Financing plans include extended payments and competitive interest, and customers can apply online or call Parrish at (703) 330-5748to learn more.
Which Backup Generator Is Right for Your Home?
When deciding on a standby generator, size, output, and special features determine the price. If your goal is staying powered up for weeks, you’ll need a whole-house generator. Looking for a generator to keep lights on and run your freezer and refrigerator? A smaller home standby generator may suffice. When you need auxiliary power for short-term emergencies, your technician may recommend a portable generator for cost-effective flexibility.
Generator Services & Features
Recognized as VA’s top mechanical contractor four times in the last 17 years and recently awarded Top National Mechanical Contractor, Parrish Services is a turnkey solution for your generator needs. We provide electrical and gas work for full-service installation, so there’s no need for multiple contractors to complete your backup power installation.
Exp: 10.31.26 Cannot be combined with other offers or applied to prior installations or services. Must mention offer at time of estimate.
NoVA GENERATOR INSTALLATION SERVICES
To meet Virginia code requirements, standby generators must be installed by trained and certified professionals. As a licensed plumbing and electrical contractor, Parrish oversees the entire installation process. Our technicians pull necessary permits, schedule inspections, and perform all installation tasks so that subcontractors do not have to wait for them to finish the project. Parrish Services has a long-standing presence and expertise in the Northern Virginia community, understanding the unique needs of both homes and businesses.
Count on Parrish Services to perform these generator installation services in Manassas, VA:
Site selection, leveling & pad preparation
Permitting & inspection scheduling
Natural gas or LP piping & connections
Evaluation of power requirements & electrical load
Generator sizing to deliver the desired power
Coordination of electrical utility power drops
Scheduling of gas meter upgrades (when required)
Coordination with selected propane company to determine tank size
For a long, high-performance life, protect your standby generator with regular inspections and tune-ups. A Parrish Priority Plan ensures your equipment receives the professional maintenance needed to keep it operating year after year—and emergency after emergency. Call Parrish at (703) 330-5748 or connect online to schedule site evaluation and transfer switch installation for standby generators or interlock switch installation for portable generators.
A standby generator provides backup power during outages. It automatically activates when the electrical grid fails, ensuring essential appliances and systems like lights, heating, or medical equipment continue running without interruption.
What fuel do standby generators use?
Standby generators typically use natural gas, propane, or diesel as fuel. These sources ensure consistent power supply during outages, with many models offering auto-transfer switches for seamless activation and in-ground fuel storage for convenience.
How do generators prevent food spoilage during outages?
Generators keep refrigerators and freezers powered during outages, preventing food from spoiling. They provide uninterrupted electricity, ensuring perishable goods stay fresh and minimizing waste, even during extended power failures.
Do generators require regular maintenance?
Yes, regular maintenance is essential for generators to perform reliably. Inspections and tune-ups help identify issues early, ensuring the generator operates efficiently during emergencies. Maintenance extends its lifespan and ensures readiness for power outages. Reach out to us for information on maintenance services for your generator.
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Parrish has the best customers in Northern Virginia, hands down! To learn more about the Parrish Difference or discover the many reasons that so many new customers are now lifetime customers, check out these stories from verified clients.
Based on our first encounters with Parrish Services and the technician, Nizil, we expect to have a good relationship over the long term under our new maintenance service. The scheduling is efficient. Nizil is pleasant and knowledgeable. He identified important additional services that I did not consider to be unnecessary upselling, as was the case with our previous service.
David Yaffe
18:58 20 Jul 26
This was my 1st experience w Parrish, and...THEY WERE GREAT! From my intial call, to working w Eric about the job and the estimate, to working w several office folks and dispatch prior to the job, and then to day of, EVERY interaction was really great. Many extra thanks to Eric, and it was HE that really made me want to work w him and Parrish. In 110 degrees in my attic, he addressed my HVAC repair and got me back up and running. 5 STARS here!
Darryl Eadi
15:47 02 Jul 26
Great experience. Scheduling was easy. Technician showed up on time and was prepared for the job. Alton Wallace did a great job and was very professional and patient (my dog was being a little bit annoying...treats helped).I would definitely use their services again.
Pat Breichner
15:49 19 Jun 26
Great experience. The Technician, Mariusz Loniewski, was very thorough and did a detailed diagnosis and gave me a bid to repair. The main office quickly follows up to schedule the repair work.
hayes mccarty
17:32 18 Jun 26
Alton our technician was awesome. Extremely professional, courteous, and knowledgeable. I appreciated him taking on all my questions and able to answer them so thoroughly without ever feeling rushed. Definitely will be requesting him on all our electrical home needs going forward.
Chris Gabriel
00:22 13 Feb 25
I had a great experience with Parrish, and the head technician, Danny Shoop (the assistant was also very good). We had a number of plumbing issues that needed repair, and the work was completed to our satisfaction. I was impressed by Danny's professionalism, his work ethic, and the suggestions and recommendations he made. I will definitely use Parrish again.
Trina Santry
19:35 07 Feb 25
I wanted to express my sincere appreciation for Nathan Wilkinson for the exceptional service provided during the recent gas inspection. Your expertise and professionalism were evident from the start. You arrived promptly at the scheduled time, demonstrating a strong commitment to punctuality. You conducted a thorough and meticulous inspection of the gas systems, ensuring every detail was carefully examined. Your knowledge and attention to safety measures were remarkable. Thank you
Rita Domit
14:09 28 Jan 25
I woke up at 6:30 with my smoke detector going off. Changes batteries but that didn't work. Web said they might be end of life, so I turned to m electrician. Parrish was wonderful! She was patient with me and went out of her way to help get it add today. Alton was the tech who was also helpful, patient, and informative. He came out and fixed the problem. He was professional and made me feel listened to. Cost was reasonable. Highly recommend this company.
Wendy Martinez
22:52 22 Jan 25
Andre and the other technician did a great job installing the new furnace hot water heater and air conditioner. I appreciated the prep and care taken in my home as they carried out the old and brought in the new furnace and hot water heater. Andre took the time to answer what overall questions I had and kept me up to date on the installation progress.
Cynthia Venne
14:07 20 Jan 25
Brandon did a routine inspection of our HVAC that we knew was reaching its replacement age. He was very professional and honest with his assessment and what needed to be repaired or replaced and why, complete with photos and diagnostics. He made sure I knew all my options and pricing (including cost savings) for the recommended parts and services. Very happy with Brandon’s service and Parrish in general.
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