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Washington Duct Installation Contractors

Cool Climate 360 Inc.

Cool Climate 360 Inc.

5.0 (3)
Customer satisfactions and repeat customers,  And gtting the job done the first time.
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Amtech

Amtech

5.0 (1)
We are happy to assist our society 
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KW Mechanical  LLC

KW Mechanical LLC

5.0 (1)
It's not done until it correct and you are happy
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Air Control

Air Control

Air Control LLC, provide upfront pricing to let customer know the cost of repairs before any work is done. Same day service or next day service is our goal so you will not be left without a working system long.  All Air Control service personnel are experienced and qualified professionals. There is not many heating or air conditioning systems we have not seen and repaired or replaced. Customer can ask us any question on the job and we will find the correct answer if we do not know it right off hand. ... View Profile
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Argent Heating & Cooling LLC

Argent Heating & Cooling LLC

Argent offers the region’s most professional technical and sales team. Our management staff has a combined experience of more than 100 years in all aspects of the heating, air conditioning and indoor air quality industry. With this depth and breadth of experience, our customers can depend on a professional and knowledgeable team member every time. Argent sells, installs and services a comprehensive selection of heating and cooling systems including:-Furnaces/Boilers-Air Conditioners/Air Handlers-Heat Pumps-Radiant Floor Heating/Snow Melt Systems-Hydronic Heating and High Velocity Duct Systems The way we make a discernible difference ... View Profile
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Eagle Services

Eagle Services

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NTS Consulting

NTS Consulting

Prior to branching out on its own in 2018, the owner and staff of NTS Consulting has been in the construction industry in the DMV area since 2005. With the love of new contruction and remolding/renovations of homes and commercial spaces, NTS Consulting can provide a great experience and finsih product on your project.  With the owner having a background/degree in Architecture and working in the construction industry over 10 years, she has build a team of experience professionals such as an interior designer, architect, estimator and trademen along with subcontractors to complete projects successfully.    ... View Profile
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JD Air

JD Air

JD Air is dedicated to the proactive care of HVAC equipment in order to save you time & money so you can focus on other important things.  Serving the Washington DC area, we understand being without air conditioning in the summer or heat in the winter is stressful and could even be dangerous. After system installation, our primary service is preventive maintenance, allowing the homeowners and your tenants  to reduce or avoid peak season repairs & breakdowns.  When unexpected issue do arise, our skilled technicians will provide options for a satisfying solution. We invite you to discuss any HV ... View Profile
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KBM Mechanical Services LLc

KBM Mechanical Services LLc

We are a local owned and operated company that value honesty and integrity in all aspects of our business.Our major focus is on the quality our work and producing outstanding results. We are committed to creating a level of valve unmatched by any of our competitors. We look forward to building lasting relationships with our clients and guarantee your satisfaction!
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Shipley Heating And Air

Shipley Heating And Air

Our goal is to provide high quality service and reasonable rates. Background checks on our technicians are performed regularly. We respect your property and wear floor protection booties. We welcome the opportunity to serve you and hope to earn your trust today!
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Frequently asked questions

How much does it cost to install or replace ductwork?

The average cost to replace ductwork is $1,400 to $5,600, depending on the house size. Air duct installation costs $25 to $55 per linear foot or $270 to $500 per duct. HVAC ductwork repair costs $200 to $700 for minor leaks.


How often should ductwork be replaced?

Ductwork lasts 10 to 20 years on average before it needs replacing. Most ducts need work when replacing HVAC systems more than 15 years old or when upgrading to bigger or higher-efficiency units.

Signs to repair or replace ductwork:

  • Unbalanced heating or cooling
  • Rising energy bills
  • Reduced airflow
  • Noisy HVAC system with vibrating ducts
  • Consistently dusty home
  • Mold, odors, or moisture damage in air ducts
  • Pest infestations in the ductwork
  • Collapsed, loosened, torn, or rusted duct sections

How long does it take to replace ductwork?

Replacing ductwork takes 1 to 2 days on average or up to 4 days for larger homes or complex projects. Installation time depends on the home’s size, age, number of HVAC units, duct type, and crew size. Allow more time when wall or ceiling repairs are necessary.


What is ductwork?

Ductwork is a large piping system that sends heated or cooled air from HVAC units throughout the home. Duct vents are long tubes or rectangular sheet-metal channels made of fiberglass, steel, PVC, or aluminum. These rigid or flexible ducts are in ceilings, attics, basements, and crawl spaces.


What are the different types of ductwork?

There are three main types of ductwork:

  • Flexible – Round tubes with steel wire reinforcement and covered with plastic or aluminum. Lightweight and easy to install but shortest lifespan. Prone to tears, pest infestations, and moisture damage.
  • Fiberglass / fiberboard – Insulated by fiberglass to prevent condensation and muffle the HVAC system sound. Fiberglass can deteriorate and release fibers into the air over time, causing health issues.
  • Sheet metal – Rigid in shape, made from galvanized steel or aluminum, lightweight, easy to install, and mold-resistant.

Do you need to replace ductwork when replacing an AC unit?

You should replace ductwork when replacing an AC unit if the ducts are moldy, more than 20 years old, or cracked. AC upgrades often require new ductwork to fit bigger systems properly. HVAC installers inspect ducts first and recommend cleaning, repairing, or replacing ducts as needed.


Can I install my own ductwork?

DIY ductwork replacement is illegal in most states without a license. Hire certified HVAC contractors for duct installation and repairs.


How do I find ductwork installers in my area?

Start by searching our list of ductwork companies, then compare reviews and costs. After finding and contacting services:

  • Make sure they are licensed, bonded, and insured.
  • Ask to see their certifications from:
    • Air Conditioning Contractors of America (ACCA)
    • American Society of Heating, Refrigeration, and Air-Conditioning Engineers (ASHRAE)
    • North American Technician Excellence (NATE)
  • Seek out contractors with at least 2 to 5 years of work experience.
  • Collect project bids from three different companies to compare estimates.
  • Avoid choosing the lowest estimates that lead to low-quality work.
  • Compare past reviews on HomeGuide, Google, and the Better Business Bureau (BBB).
  • Don’t sign contracts until you understand the total project cost.
  • Make a payment schedule instead of paying in full upfront to avoid scams.

After asking questions and verifying their credentials, hire the best ductwork installation contractors in your area.


What questions to ask HVAC ductwork companies before hiring?

When hiring a duct installer, ask them the following questions:

  • Which duct type is best for my home?
  • How many duct installations have you done?
  • Can I see photos of your past work?
  • Can you provide references from previous ductwork projects?
  • What does your labor warranty cover?
  • If installing flex ducts, will you add supports every 4 feet?
  • Can you install ducts in air-conditioned areas to reduce energy losses?
  • Will you insulate the entire length of all supply lines?
  • Do you use rigid connectors and sealant on flex-duct connections?
  • Will you test for duct leaks after installation?
  • Do you use Manual D duct-design calculation software to size the ducts?
  • Can you also make Manual J and Manual T calculations to check the supply-register sizes?
  • Do your prices include a home energy audit to prevent leaks and optimize airflow?
  • Will you pull permits for this duct installation, and how much do they cost?
  • Does this estimate include all labor, materials, and cleanup costs?
  • How long will this duct installation take?

Do you provide duct and vent installation or removal? View our open Duct Work Jobs near you.