Home Hydro and Energy Audits

Green$aver Hydro Audit (GHA)

What it is:

  • This is our top of the line and most comprehensive audit of your heating system, domestic hot water, electrical usage and building envelope.
  • The audit incorporates an initial assessment, a computer simulation and an extensive report identifying problem areas and suggested retrofits, a follow up assessment and a final report and, if the criteria have been reached, an "Energy Green$aver Smart Home" certificate of your home, identifying both energy and hydro improvements.
  • The initial assessment consists of a walk-through, detailed home measurements, inspection of walls, windows, attics and crawl spaces, heating and hot water systems, electrical appliances, lighting, air conditioning and a review of your utility bills (please have photocopies of your recent utility bills ready for our visit). It also includes a "blower door" depressurization test to identify leaks, drafts and problem areas. In more complex cases, the assessment may include more sophisticated instruments, including thermal imaging. The initial assessment will take approximately 2-2 1/2 hours, depending on the home size and complexity.
  • The computer simulation and an initial report will include an initial rating of the house energy efficiency, recommendations of suggested retrofits and the energy efficiency and cost effectiveness of each. It will also include specific recommendations to reduce your hydroelectric bills, focusing on retrofits (lighting, appliances, A/C) and/or behavioural changes.
  • The follow-up assessment, to be scheduled after you have completed the retrofits, will last 45 to 60 minutes and will include a walk through inspection and a repeat of the blower door depressurization test.
  • The final report will outline the energy efficiency changes and provide a new energy efficiency rating for the house.
  • If the energy efficiency rating has improved by more than 15% and/or if the house has a reached a minimum acceptable energy efficiency standard, as determined by Green$aver, the homeowner will receive a "Energy Green$aver Smart Home" certificate, attesting to the home's energy and hydro efficiency.
  • An option will include the installation of a small plaque at a convenient place inside or outside of the house, which will clearly identify this and serve as an indicator of its resale value.

What are the next steps?

Call Green$aver at 416 203-3106, email us at info@greensaver.org or fill out the form to schedule the GHA.

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CASE STUDIES & TESTIMONIALS

We learned a great deal during the audit and renovations and were very pleased with the recommendations. The guys from Green$aver were very knowledgeable and easily answered the many questions we had. Thanks.
- C. & H. Monster

More Testimonials...

Building Simulation Software
A building energy simulation software allows an energy advisor to create a computer model of your house and simulate its energy performance. The software uses average weather data of the region, where your house is located, in order to perform a heat loss calculation, and is able to review upgrade scenarios and calculate potential savings.

Heat loss Calculation
In order to do a heat loss calculation an energy advisor models your house in a building energy simulation software taking the geometry, orientation, insulation levels, number and type of windows and doors, efficiency of the heating system, and the air leakage rate of a house in to account. The results shows how much heat is been lost through various parts of the house, like the basement, main walls, windows and doors, roof, and cracks and leaks in the house. With this information you will be able to prioritize your retrofit measures.

Blower Door Test
A blower door test uses a large exhaust fan to depressurize a house, and enables an energy advisor to calculate the air leakage rate of the house. Put more simply, a blower door test tells you how much warm air (energy) leaks out of a building during winters and how much cold air replaces the lost warm air in the form of cold drafts. Besides calculating the air leakage rate of a house, the advisor can also pinpoint where these leaks are located.

Thermal Imaging
Thermal images made with an infrared camera record the temperature variations of the building envelope, visualizing where heat is escaping through the house envelope, where there is missing insulation and enabling an energy advisor to pinpoint and assess problem areas in an uninvasive way.

 
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