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How to care for your home’s air
Air Duct Care, Cleaning, Insulation & More



Many people are surprised to learn that Americans spend 90% of their time indoors. 1 So much
time spent inside the home underscores the importance of caring for the air that flows
throughout a home’s ductwork. It’s no wonder that issues in the attic can affect the whole home
considering that 90% of U.S. homes are under-insulated. 2 And as the average home loses up to
30% of the air moving through its duct system due to leaks, holes and poor connections,
problems in the attic can affect air throughout the home. 3 Higher energy bills, airborne
contaminants in other parts of the home and reduced comfort can all be signs of a problem in the
attic. That makes the attic a good place to start when it comes to improving comfort and energy

E Dennis is a certified AirCare® Professional, which means that we can help homeowners
look beyond the HVAC unit to optimize the system driving the entire home. Our “whole home”
approach will consider attic ductwork and levels of insulation to evaluate how and where energy
efficiency and comfort can be improved.

The whole-home approach helps maximize energy efficiency
We take the “whole-home approach” when evaluating an HVAC system. Going beyond the
equipment that heats and cools your home, we evaluate how air moves throughout a home and
what problems may be keeping your HVAC investment from delivering its full value.

Did you know that the largest part of your HVAC system is your home’s ductwork?
Today’s HVAC systems are highly efficient, but even the most advanced heating and cooling
technology can’t deliver maximum performance if attic ductwork is compromised. Our Certified
AirCare® Professionals have the training and tools to evaluate an attic duct system’s integrity and
determine the overall efficiency of the entire duct system to get to the root of any problem.

Our technicians will work with you to evaluate and solve energy inefficiencies
A Certified AirCare® Professional on our team can help you evaluate the efficiency of your home’s
HVAC system and determine steps for improving it. You can help by telling them about rooms
that are too hot or cold, musty odors, drafts or any other issues related to your home’s air and
comfort levels. They’ll inspect the attic using tools to evaluate the amount of insulation, inspect
duct work for holes, leaks or poor connections, and record video to show you any issues. And
while in the attic, they’ll take photos of any areas of concern so that you can see firsthand where
your attic may be under-insulated.

A Certified AirCare® Professional can determine if measures such as replacing ductwork or
adding loose fill insulation could improve comfort, air quality and energy efficiency. They can
calculate the energy savings you might see by increasing your attic insulation. Getting things right
in the attic can help avoid your equipment working harder than it needs to, saving energy and
wear and tear.

Properly sized ducts and increased insulation may resolve efficiency issues
Properly sized, sealed and insulated ductwork can improve your comfort and energy efficiency while helping stop the spread of airborne pollutants. As a Certified AirCare® Professional, E Dennis can diagnose and resolve duct issues and suggest insulation upgrades to improve your home environment in order to:

Are you experiencing any of these issues? Your ductwork or insulation may be the culprit.

Trusted products and service
E Dennis is certified by Owens Corning® and uses their trusted duct and attic insulation
products . Our team has been specially trained to install these Owens Corning® products for the
best results in your home.

Learn more about the advantages of duct retrofitting 

1 EPA Indoor Air Quality Exposure and Research. (n.d., page updated Jan. 27, 2022). U.S. EPA. Retrieved from Indoor
Air Quality Exposure and Characterization Research | US EPA.
2 North American Insulation Manufacturers Association, Sept. 30, 2015. (90 Percent of U.S. Homes Are Underinsulated). NAIMA estimate based on Boston University study. “Underinsulated” here means when compared to the
minimum prescriptive wall and ceiling insulation R-values found in the 2006 International Energy Conservation Code
3 Energy Star.

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