Here's some key tips when inspecting homes under the new regulations.
As a building consultant performing inspections on behalf of the owner/client in Victoria, I see many new homes being constructed. Building a new home is an exciting time, but it's also important to consider energy efficiency. This will not only save you money on heating and cooling bills, but it's also better for the environment.
The Importance of the New 7 Star Rating
From May 1st 2024, The National Construction Code (NCC) has increased the energy efficiency rating for new homes to a 7 star Energy efficiency rating. This means that new homes will be much better at keeping you comfortable year-round, without needing to constantly run the heater or air conditioner.
Key Features of a 7 Star Energy Rated Home
Double Glazed Windows: Most windows in a new 7 star home will be double glazed. This means there are two panes of glass with a space in between, which significantly reduces heat transfer.
Improved Insulation: The insulation requirements for walls (R2.5) and roof (R3.5) will remain the same, but there are some changes to the type of wrap used around the house. The reflective foil wrap commonly used is being phased out because of mould concerns and will be replaced with a new type of vinyl wrap.
Proper Sealing: Ensuring there are no gaps around doors and windows is crucial for good energy performance. Consultants like myself will be checking for proper installation to avoid drafts.
What to Look for During a Pre-Purchase Inspection
The 6 star or 7 star energy rating only applies to new constructions. If you're looking at buying an older home, there likely won't be a designated energy rating. However, there are still things you can do to improve the energy efficiency of an existing home.
Tips for Improving Energy Efficiency in Existing Homes
Install Double Glazed Windows: While it may be an investment, replacing windows with double glazed options can significantly reduce heat transfer.
Add Insulation: Adding insulation to walls and the roof cavity is a great way to improve energy efficiency.
Seal Leaks: Drafts around windows, doors and other openings can waste energy. Sealing these leaks can make a big difference in your comfort and energy bills.
By following these tips, you can ensure your new or existing home is comfortable and energy efficient. This will save you money on your energy bills and help you do your part for the environment. If you have any questions about energy efficiency in your home, be sure to consult with a qualified building consultant or energy assessor.
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