Celebrating 30 Years Serving Northern Virginia Homes

Air Filters & Purifiers 

Home Air Quality in Manassas, VA

Dust, smoke, pet allergens, pollen and other pollutants compromise your health and detract from your family’s quality of life. Over time, these contaminants build inside your home and expose you to pollutant loads two to five times higher than outdoor air. The Environmental Protection Agency reports that people spend about 90 percent of their time indoors, making indoor pollution a notable health risk.

How can you improve the air inside your Northern Virginia home? Start with Parrish Services: the region’s home maintenance concierge and comfort specialist. Providing valued clients with cleaner air, improved HVAC efficiency, humidity balance and improved quality of life, we recommend and install proven solutions like these:

  • HVAC filters & whole-house filtration systems
  • Whole-house humidifiers 
  • Indoor air quality (IAQ) equipment by leading brands

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Geothermal Service

Geothermal Service

Harnessing geothermal energy pays big dividends for your budget and the environment. Parrish Services installs geothermal heating and cooling systems that deliver lower utility bills, improved heating and cooling efficiency, long system lifespans and reduced carbon emissions. For safe, quiet operation of your geothermal system or Northern VA heat pump, trust the Parrish Services experts. Interested in upgrading your old furnace or AC unit? Ask about alternative home climate systems that green your home, safeguard indoor air and keep your family comfortable and productive.

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Oil Heating Service

Oil Heating Service

If your NoVA home burns fuel oil for heat, depend on Parrish Services to repair, replace and maintain your oil heating system. Our certified heating specialists inspect and maintain your HVAC system so it performs reliably and safely, winter after winter. Did you know well-maintained oil-burning furnaces can provide heating for two decades or more? Northern VA oil-heating customers enjoy superior returns on their heating investments with high-caliber service that keeps equipment at peak performance. Call (703) 330-5748 for oil heater repairs, maintenance or upgrades.

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Year-Round HVAC Care

Year-Round HVAC Care

Many air conditioning & heating repairs are preventable when you don’t neglect your home climate system. Routine HVAC maintenance also extends the life of your equipment, keeps indoor air clean and prevents unnecessary energy waste. With remote work schedules, family plans and the demands of a busy household, keeping your air conditioner and furnace performing at peak efficiency isn’t a do-it-yourself project. At Parrish Services, we make your home comfort our priority—so you can put family, work and travel at the top of your to-do list. Automate your home’s mechanical care with a Priority Service Plan: call (703) 330-5748 or connect online now!

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A Healthier Home Climate System

You can turn your forced-air heating and cooling system into a whole-house air purifier with the addition of advanced filtration and sanitation equipment. Incorporated into the ductwork, supply-air filtration systems clean the air before it is distributed throughout the house. These include:

  • Extended media filters: Boxy filters up to 8” thick and consisting of pleated and compressed paper-like media that filters out particulates
  • Electronic filters: Devices that utilize high voltage current to charge particles which are then subjected to the opposite charge and collected from the air
  • Ultraviolet filters: Effective UV light devices that zap airborne bacteria and viruses

Keep Air Filters Clean

Any heating and cooling maintenance program includes cleaning or changing the air filter frequently. A dirty filter restricts air flow and puts a heavy burden on ventilation equipment. Your air conditioner or forced-air furnace performs more efficiently and lasts longer when filters are cleaned or changed every month. 

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Air Quality Terms to Know

When you buy furnace and air conditioning filters, you may be unfamiliar with the acronyms used to rate their performance. Here are some of the most common designations including:

We also inspect smoke alarm functionality and advise you of safe, affordable energy-saving options for home lighting, battery charging and efficient appliance use.

  • MERV: Developed by the American Society of Heating, Refrigerating and Air-Conditioning Engineers, MERV stands for “minimum efficiency reporting value.” Top-rated filters typically have a MERV rating higher than 10. The higher the MERV rating, the finer the filtration.
  • HEPA: This acronym refers to “high efficiency particulate air” filters. These are pleated mechanical filters that trap up to 99.97% of very fine dust, pollen, smoke, dander and other airborne contaminants.
  • MPR: 3M uses this “microparticle performance rating” to designate a filter’s ability to capture airborne particles smaller than one micron. Look for a MPR 1300-1900 for the most effective filtration.
 Call Us: (703) 330-5748

Depend on Parrish Services

Comprehensive home repair and maintenance services set the team at Parrish apart from other home service companies. Our triple-certified technicians are dedicated to addressing all your heating, cooling, plumbing, and electrical repair needs in Manassas. We strive to make home maintenance and repair convenient and carefree with these innovations including:

  • On-time appointments & technician tracking app
  • Remote Diagnostics
  • Remote 2nd Opinions
  • Parrish Priority Maintenance Plans
  • Mobile sales calls for replacement equipment
  • Easily accessed Cloud-based recordkeeping
  • Fully warranted equipment and services
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Improve Your Indoor Environment

Remove dust, dander, pollen and other allergens from your home’s interior with a whole-house air purifier. Electricians in Manassas install electronic and UV filters designed to work with your heating and cooling units, cleaning units to clean indoor air and protect your family from airborne contaminants. Connect with us online or call 571-946-6144 to request an estimate for air purifier installation.

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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.

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
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
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
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
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
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
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