The Blower Door Test

COMMENTARY

• Blower Door removes air from the home to reveal any leakage
  • Duct and register leaks
  • Window seals
  • Light cans and electrical plugs

The Audit Report

COMMENTARY

• Breakdown where the home is using energy and how much energy its losing
  • Air flow leakage
  • Duct leakage
  • Lack of insulation

CALLER

• Leonard has a friend who had an audit done.  Said the biggest improvement from the audit was sealing up the ducts over everything he tried in the past.  Is his friend feeding him a line or any truth before Leonard crawls up in the attic?  David explains every house isn’t the same when it comes to just one or the same fix.
• Manufactured homes can benefit from a home energy audit
• Biggest trouble spots found from an audit
  • Air duct leakage
  • Improperly installed and lack of insulation
  • Air flow involving wrong sized ducts
• Top violation of high summer energy bills comes from the air conditioner.  Reducing heat gain from windows

CALLER

• Ginger has a ranch style home with small attic space.  Certain spaces are too small for anyone to get insulation to those areas.  Can it be done?

Takeaways

COMMENTARY

Things homeowners can do to improve efficiency now

• • Leaving doors open for better air conditioning efficiency
  • Changing air filters regularly

CALLER

• Wayne had blown in insulation between the walls 40 years ago.  Can the audit check to see if the insulation is holding up?