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Who Runs Duct Work on New Construction: Your Ultimate Guide

If you are embarking on a new construction project and wondering who runs duct work, you've come to the right place. In this guide, we will provide you with all the information you need to know about the professionals responsible for installing ductwork in new construction projects. From the benefits to the conditions in which you can utilize their services, we've got you covered.

Benefits of Hiring Professionals for Duct Work in New Construction:

  1. Expertise and Experience:
  • Professionals who specialize in duct work for new construction projects possess the necessary expertise and experience to handle the job efficiently.
  • They are knowledgeable about the latest industry standards and regulations, ensuring compliance and optimal performance of the duct system.
  1. Quality Installation:
  • By hiring professionals, you can expect a high-quality installation of your ductwork, which is crucial for the efficient heating, ventilation, and air conditioning (HVAC) system.
  • Professional installers ensure that the ducts are properly sized, sealed, and insulated to avoid energy loss and maximize comfort.
  1. Time and Cost Savings:
  • Professionals work efficiently, completing the duct work in a timely manner, which helps keep the construction project on schedule.
  • Their expertise helps avoid
Ductwork refers to the system of ducts (metal or synthetic tubes) used to transport air from heating, ventilation and air-conditioning (HVAC) equipment throughout your home. Properly installed and well-maintained air ducts are a key component of indoor air quality and home comfort.

How to run duct work for two story house?

Install the HVAC system under the floor along with floor vents. Lay ducts in the attic and connect with the registers in rooms (for single-story homes). Run ducts through closets between levels, from the attic (for a two-story home).

What is a duct in building construction?

Ductwork is necessary for carrying heated and cooled air from your HVAC equipment to points throughout your building. Without this pathway, this conditioned air would have nowhere to go and would not be able to reach the areas in your building that need to be warmed or cooled.

How do you calculate ductwork cost?

According to HomeAdvisor, ductwork costs from $12 to $25 per linear foot, but there are many factors to consider. This includes removing existing materials and installing new components. The work of cutting into floors and ceilings adds significantly to the cost, on the range of anywhere from $550 to $1,750.

What is a ductwork installer called?

An HVAC technician, sometimes called an HVAC-R technician, is a professional who installs, maintains and repairs heating, ventilation, air conditioning and refrigeration (HVAC-R) systems in homes, schools and commercial buildings.

What is the best location for HVAC ducts?

The Ceiling

Air Ducts Near the Ceiling Are Most Effective

This makes the air circulation less effective and may cause the entire HVAC system to work harder than it needs to. Additionally, vents placed near the floor are at a greater risk of being clogged with dust or other debris.

Should HVAC vents be in the floor or ceiling?

It's also important to consider your personal preferences when deciding whether to make cooling or heating your primary concern. Ceiling vents do a better job cooling and floor vents do a better job heating. If your priority is cooling, put your HVAC in the attic and ducting and vents in the ceiling.

Frequently Asked Questions

What is the two foot rule for ductwork?

The air now has to re-pressurize to regain its turbulent flow so it can continue to push its way down the duct. It requires about 24′ or two feet to do this. This is the 'Two-Foot Rule?. Ideally, you should allow at least 24′ between takeoffs and at the end of any duct run.

How do you calculate duct run?

Duct CFM Calculation Formula
  1. Room CFM = (Room load/Whole house load) ✕ Equipment CFM.
  2. 24,000 BTUs ÷ 12,000 BTUs in 1 ton = 2 tons ✕ 400 CFM per ton = 800 CFM.
  3. Room A = (2,000 BTUs ÷ 24,000 BTUs) ✕ 800 CFM.
  4. Room A = 66.67 CFM.

What is a common mistake in ductwork installation?

Another common mistake is using too small of a duct or underestimating the amount of airflow required. This can result in excessive noise and vibration, as well as decreased efficiency. If your ductwork is not properly insulated, it can cause the air temperature to fluctuate, resulting in hot or cold spots.

What is HVAC in construction?

Defined: HVAC stands for Heating, Ventilation, and Air Conditioning. HVAC refers to the different systems used for moving air between indoor and outdoor areas, along with heating and cooling both residential and commercial buildings.

Is HVAC part of the construction industry?

HVAC is part of the construction industry. However, it's important to understand how HVAC differs from other construction or home repair businesses.

What is the most popular HVAC system?

Split Systems

In many cases, this consists of a separate air conditioning unit installed outside the home and a gas furnace installed inside the home. Split systems are among the most common HVAC systems but tend to be a little more expensive to install.


What are the six 6 types of HVAC systems for commercial building?

Types of Commercial HVAC Systems for Businesses. There are different commercial building HVAC systems, including single-split, multi-split, packaged HVAC, variable refrigerant flow, and hybrid heat pumps.

How do I extend my HVAC to addition?

Extend the Existing HVAC System

Depending on the specifics of your home and its current HVAC set-up, you may simply be able to extend your ductwork to the addition and let your system handle it. However, you won't be able to do this if your furnace or air conditioner are not rated for the extra space.

How do I extend my AC unit?
Eight Ways To Extend The Life Of Your A/C
  1. Keep The Outdoor Unit Clean & Clear.
  2. Check The Airflow From The Vents.
  3. Schedule Regular HVAC Maintenance.
  4. Use The Clothes Dryer At Night.
  5. Turn Off Unused Electronics.
  6. Change The Air Filter.
  7. Take Advantage Of Window Coverings.
  8. Work With A Licensed HVAC Company.
Can I add a second HVAC to my house?
Installing two AC units allows you to zone your home, providing independent cooling for different areas. This can help ensure each room or zone is maintained at the desired temperature, providing optimal comfort for everyone in the household.

Can central air be added to any house?

Can You Install Central Air in an Old House? If you live in an older home without central air conditioning, you may wonder if you can install central air. The answer is yes, but the cost to install central air with no existing ductwork also increases.

Is it hard to add a second AC unit?
The installation of two units requires additional equipment, such as condensers, ductwork, and thermostats, which can increase the upfront costs. However, the cost difference may not be as much as you think. AC units are recommended for your home based on square footage and cooling needs.

Who runs duct work on new construction

Is replacing air ducts expensive?

The national average cost for full ductwork replacement is $1,450–$8,000; however, the cost can range anywhere from $250–$12,000 depending on home size, system accessibility, and materials used.

What size is the duct work in a mobile home?

4 to 14 inches

Flex ductwork comes in several standard sizes, typically 4 to 14 inches in diameter. The size of your flex ductwork impacts everything from your comfort to the efficiency of your heating and cooling system.

How long does it take to redo ductwork?

Between 1 to 4 days

The ductwork project takes between 1 to 4 days. The ductwork is mostly impacted by the size of the project. If there are no unexpected challenges, then the system will take only a few days to install. In some cases, the installation can be completed in one day.

Do I really need to replace my ductwork?

Residential ductwork often has double the lifespan of traditional air conditioners and requires a replacement every 30 years. Since most people replace their AC units every 15 years, it's best to consider replacing the ductwork at the same time to ensure superior performance.

Should AC vents point towards windows?

Ceiling Vents: A Good Choice for Cooling

Ceiling registers are commonly found in a location that is near a window. The register should be directed to blow air toward the window. A ceiling register placed close to an interior wall is a less common option.

  • Should HVAC ductwork be installed in the attic?
    • If your HVAC air ducts are located in your attic, you already know that it's the worst possible place. You'd be better off with your hvac equipment and air ducts located in the front yard, rather than your attic! For several years now, homeowners have gotten relief by sealing their rooflines with spray foam insulation.

  • Can I install AC ductwork myself?
    • To answer the question of whether or not you can replace or install your own ductwork, I'd say it is possible but that I highly recommend enlisting the help of a heating, cooling, and ductwork expert. Ductwork runs all throughout your house, which makes doing DIY repairs yourself a heavy contracting lift.

  • Does new AC require new ductwork?
    • While not always required, many contractors will recommend replacing the ductwork with the AC to ensure maximum efficiency and air quality. Ductwork replacement could be required when the old ductwork is no longer up to code or is not a good fit for the new AC system.

  • What kind of ductwork is needed for central air?
    • Flexible Duct

      Known as flex duct, these types of ductwork are made for HVAC applications. They usually consist of a flexible plastic inner liner which a metal helix wire coil supports on the inside. A layer of fiberglass insulation covers the duct.

  • Is installing ductwork easy?
    • Poor ductwork isn't the only reason you might be having those problems, but it's a common reason. Proper ductwork design and installation are difficult to work on and require special training.

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