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Blower door test

A Blower Door Tests helps determine a home's airtightness.   With this test we can identify any areas of the home that are leaking air.    

Why conduct a Blower Door Test?

  • This test is required by many energy efficiency incentive programs
  • Resolving air leakages = reduction in energy consumption = cost savings
  • Identify leaks that are causing cold air drafts in your home
  • Repairing leaks to avoid moisture condensation problems

How does the test work?

A blower door is a powerful fan that mounts to an exterior door in the home.  The fan depressurizes the house by pulling air out from the interior.   If there are any unsealed openings in the home, air will flow through these openings  from the outside where the air pressure is higher.   As the fan is running our technicians move throughout the home to detect any points of air leakage.

This test can be performed in new construction or existing homes.


hERS® Rating/INDEX

The Residential Energy Services Network's (RESNET) Home Energy Rating System (HERS) Index is the nationally recognized system for inspecting and calculating a home's energy performance. 

Why conduct the test?

A HERS Index Score provides practical information about any home - new or existing.  The score will tell you how efficiently the home is and where modifications can be made to increase energy saving.

 A HERS Index Score provides practical information for estimating future energy bills;  This information differentiates new homes on the real estate market by quantifying their efficiency.     As a home-buyer, this score is valuable in predicting the energy costs associated with your new home.   When selling a home, a low HERS Index Score can result in a higher resale price. 

How does the test work?

One of our certified technicians will assess the home and provide a score; the lower the HERS Index Score the more efficient the home is.

This test is useful for both new and existing homes. 

For additional information on the HERS testing, visit www.resnet.us


Duct Leakage Testing/ Duct Blasting

A Duct Leakage Test is designed to measure the airtightness of forced air heating, ventilating and air-conditioning ductwork.  

Why conduct a Duct Leakage Test?

Duct leaks can increase heating and cooling costs by 30% and contribute to comfort, health, and safety problems. 

How does the test work?

This test is similar to the Blower Door Test, but rather than being mounted  to an exterior door,  it is connected to the building's duct system. 

While majority of the duct leakage tests are performed for new construction compliance, this test is also available for existing homes.


Energy star testing

Our technicians are certified Home Energy Raters.   We work closely with contractors to certify eligible homes in accordance to the most recent ENERGY STAR guidelines.  Certified homes require independent inspections and testing to ensure they meet a variety of program criteria for home performance. 

ENERGY STAR certified homes are built for greater durability, comfort and energy savings.   By adhering to the ENERGY STAR specifications, contractors can avoid common performance issues such as uneven home temperatures,  drafts, moisture issues, and indoor air quality problems.


Manual-J calculation

The Manual-J Calculation, also known as "Heat Load Calculation" or "Cooling Load Calculation",  is a protocol that determines how much heating/cooling a home needs.   This calculation determines the appropriate size heating and air-conditioning equipment (HVAC) required to keep a home warm in the winter and cool/dry in the summer.  Once the calculation is completed, the proper sized unit can be selected to satisfy the load of the home. 

Why conduct the Manual-J?

A properly sized HVAC System is important for:

  • Efficiency:  the goal is to find the "right sized" equipment for the home.   If you run a larger than necessary unit on a home, the home owner will be paying more to operate the unit.
  • Comfort: Over-sized units can create undesired humidity levels, drafts, and inconsistent comfort levels. 
  • Air quality : Over-sized units will create moisture problems by not properly dehumidifying the home.