Celebrating 30 Years Serving Northern Virginia Homes

Oil Heating

Oil Heating Services Manassas, VA

If your NoVA home burns fuel oil for heat, depend on Parrish Services to repair, replace and maintain furnaces and boilers. Our certified heating specialists inspect and maintain your oil heating appliances so they burn efficiently, winter after winter. if you suspect an issue with your system, schedule oil furnace repair for fast and efficient repairs or maintenance.
Did you know well-maintained oil-burning furnaces can deliver safe, comfortable heating for two decades or more? Our oil-heating customers enjoy superior returns on their heating investments with services that keep equipment at peak performance. Schedule annual maintenance and heating system cleaning online or call (703) 330-5748 to sign up for your Priority Service Plan.

 Call Us: (703) 330-5748

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Oil-Fired Heating Is Safe & Efficient

Are you new to heating oil as a fuel? Oil furnaces and boilers operate much like gas-powered heating systems. Oil furnaces deliver warmth by heating air and blowing it through a home’s ventilation system. Oil-fired boilers heat water and circulate it through pipes to radiators or baseboard heaters.

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Parrish Filter Store Stocks Older Heating Parts

Changing the filter in your furnace at recommended intervals ensures complete fuel oil combustion and improves efficiency and safety. If you can’t find the right filter for an old oil-heating furnace, send us a photo online or text (703) 330-5748. We’ll cross-check replacements in our Filter Store and contact you with stock numbers, prices and availability.  

Parrish Furnace & Boiler Services

Depend on Parrish Services to oversee safe operation of home heating equipment. Licensed Parrish technicians perform these furnace and boiler services:

  • Gas, oil & electrical furnace repairs
  • Furnace replacement
  • Heat pump installation
  • Oil heating
  • Boiler repair
  • Gas line conversion
  • Geothermal installation & repair
  • Boiler & radiator piping
  • Heating system maintenance
  • Thermostat regulation
  • In-line air purifiers
  • Oil Heat Furnace Repair

Sign up for a Parrish Services Priority Service Plan and receive expedited service, discounted pricing, cloud-based recordkeeping and convenient service reminders!

 Call Us: (703) 330-5748

Home Services to Fit Your Lifestyle

You have a hectic lifestyle with work and family priorities that dominate your schedule. Parrish Services values your time, so we make it easy to schedule service and inquire about home upgrades. We’re not your typical heating contractor. Our mechanical professionals hold certifications in heating and cooling, electrical services and plumbing. Plus, we’re tech-savvy—using video chat and cloud-based documentation to streamline your repair and installation process.

You’ll appreciate these Parrish differentiators:

  • Licensed contractor experienced with permits & inspections
  • Factory-trained technicians 
  • Warranted service backed by thorough recordkeeping
  • On-time appointments
  • Courteous service
  • One-stop shopping for plumbing, electrical & heating and air conditioning needs

Avoid Carbon Monoxide Danger

Neglected maintenance for any heating system is a carbon monoxide risk. Protect your family from this deadly gas with annual inspections by the Parrish Services heating pros. Schedule service online or call (703) 330-5748 to request an estimate for furnace replacement, heat pumps or boiler systems.

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Customer Reviews

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.

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
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
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
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
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
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.
Brett Gillies
Brett Gillies
14:43 17 Jan 25
Clarence Boyd fixed the toilet tank leak. He diagnosed the issue so quick and resolved it in less than 30 min. He is courteous, knowledgeable and efficient. I highly recommend him.
Rita Domit
Rita Domit
14:14 15 Jan 25
Alton conducted a comprehensive inspection of our home's electrical system. He explained issues as he found them, and even made water heater and fire safety recommendations. I was pleased with his ability to communicate issues clearly and provide a quick turnaround for the quotes.
nihad khdair
nihad khdair
01:02 15 Jan 25
My wife, Janice, worked with Alton Wallace to convert our fireplace from gas to electric, and Alton was wonderful! We’d never tackled a project like this before so we had some questions along the way, but Alton was very patient and willing to walk us through step-by-step. He was personable and very knowledgeable. We would definitely recommend Alton to future clients!
Douglas Gore
Douglas Gore
21:36 13 Jan 25
I am very pleased with the excellent service I received today from Nathan W. with Parrish services. He diagnosed the issue quickly and got my heat back on! He answered all my questions and was polite and courteous! Parrish has been our Heating/AC maintenance company for many years and always gives great service!
Anne Leeson
Anne Leeson
20:01 10 Jan 25
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Virginia Class A Contractor 2705191076 with HVAC, gas fitting, plumbing, and electrical specialties.

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