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hauSmart FAQ

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Get answers to all your questions about hauSmart homes from Mungo.

What is hauSmart?

hauSmart, developed exclusively by Mungo, includes features and benefits that ensure your new home is on the cutting edge of efficiency, affordability and convenience, while employing the most progressive construction techniques.

Why is a hauSmart home a wise choice?

A hauSmart home is healthier - for you and the environment, more cost efficient to operate, and provides comfort features to make your busy life easier.

What is the difference in hauSmart and a code-built house?

A hauSmart home includes features and construction techniques that go over and above what the International Code Council prescribes in the International Building Code for new construction.

  • A quality assurance test by an independent third party to rate each and every home's energy efficiency
  • R-38 (R-50 in North Carolina) ceiling insulation
  • Radiant barrier roof sheathing
  • Blower test conducted by independent third party
  • Duct blaster test conducted by independent third party
  • Trade partners trained to ensure proper installation of insulation
  • Advanced framing
  • CFLs in 50% of light fixtures
  • Programmable thermostats
  • Tankless water heaters in all natural gas communities

How can I tell that a hauSmart home can save me money?

Look for the Mungo Performance Guide (MPG) posted at every hauSmart home and online. The MPG is unique to every hauSmart home, and includes both a HERS rating and Average Annual Energy Savings.

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What factors are considered when calculating Average Annual Energy Savings?

A blower-door and duct blaster test is performed on each and every new home by an independent third party to measure air flow throughout the home as well as the effectiveness of the duct sealing. Energy-efficiency is calculated based on the overall air tightness of the home, efficiency of the ducts combined with the performance characteristics of the features listed above.

Can anything effect the Average Annual Energy Savings?

Actual energy costs will vary depending on individual usage habits, number of residents in the home and fluctuation in rates by your utility company.

What is a HERS rating?

The HERS (Home Energy Rating Systems) rating provides a standardized evaluation of a home's energy efficiency and expected energy savings: the lower the HERS rating, the more energy efficient the home. The typical new code-built home has a HERS rating of 100. A home with a score of 75 would be 25% more energy-efficient than a new code-built home. The rating is calculated by an independent third party who inspects and rates each and every new Mungo Homes.

The HERS rating found on the MPG (Mungo Performance Guide) sticker in your Mungo Homes.
The HERS rating as it appears on the website.

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Why does Mungo use HERS instead of Energy Star to rate new homes?

The HERS index allows comparison to new code-built homes as well as existing homes. Energy Star is a yes/no certification rather than an actual score of a new home's energy efficiency. The HERS index rates actual energy efficiency and estimated annual cost savings.

Are hauSmart features included in the sales price?

Yes. The hauSmart features are considered "standard" and are included in the base price of every new home.

What is radiant barrier sheathing?

The radiant barrier roof sheathing is made up of highly-reflective material and is installed in the attic. It reflects up to 97% of the sun's radiant heat, thereby lowering attic temperatures and improving energy efficiency.

What is "Advanced Framing?"

With traditional framing, the 3-stud outside corner space is boxed in and cannot easily be insulated, resulting in energy loss.

With “Advanced Framing", a "California Corner" is a simple L-shape corner that allows easy access to install insulation, reducing air flow throughout the structure resulting in greater savings on heating and cooling costs.

How is a hauSmart home healthier?

hauSmart homes include low VOC (Volatile Organic Compound) paint and carpet. VOCs react with other elements to produce ozone, which causes air pollution and a host of health issues. The Merv 8 air filter improves indoor air quality by trapping a higher level of contaminants and holding more dust than a standard filter. Air barriers and air sealing isolate living areas from fumes or contaminants that might come from the garage, attic or walls.

Explain air barriers & air sealing.

Air leakage is the single biggest loss of energy in a home. Mungo homes include extensive air barriers to seal gaps and block random air movement through the new home. Air sealing controls moisture, prevents dirt and pollen from leaking inside the home, and reduces air flow throughout the home, thereby increasing indoor air quality and energy efficiency.

What is a blower door test and a duct blaster test?

A blower door test and a duct blaster test gauge air flow throughout the home to test how tightly the home is sealed.

What are the advantages of a tankless water heater?

Tankless water heaters provide an endless supply of hot water at just the right pre-set temperature. The flow of water activates the system's heating device, instantly heating a continuous supply. There's no holding tank so energy isn't wasted on storing and heating water when it's not needed, and its compact size frees up valuable square footage. (Source: SCE&G)

What are the advantages of the Sentricon® System with Always Active™ Technology?

The Sentricon® System with Always Active™ Technology prevents termite infestation without any harm to you or the environment. The Sentricon System is the first and only termite product to be awarded the Presidential Green Chemistry Challenge Award by the U. S. Environmental Protection Agency. This award fits with the hauSmart philosophy of making your new home healthier. Bait stations around the perimeter of your home exploit natural termite behavior providing protection 24/7 without injecting any chemicals into the ground or disrupting you, your home, lawn or landscaping.

Who is the "independent third party" inspector?

Mungo has partnered with Home Energy Group, based in Charleston, SC. Home Energy Group is the only RESNET/Energy Star Provider and HERS training organization in South Carolina. For more information on Home Energy Group, call (843) 216-0003 or visit

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