When building a new home, most people tend to think of the design, the layout, and the various finishing touches that make it uniquely their own. It can be easy to overlook the elements that lie beneath the surface– those that contribute to the performance of the building.
In the construction industry, “high-performance” refers to going beyond the minimum standards required by building codes to build a home that is more durable and energy efficient. This results in a home that is not only more comfortable, but also healthier to live in.
Understanding what high-performance construction means can help homeowners make informed choices when considering Passive House and Net Zero standards.
What Does High-Performance Mean in Construction?
In simple terms, high-performance construction involves building to a higher standard than what is considered “code minimum,” which is the minimum amount of work that a builder can do while meeting legal requirements. These minimums ensure the safety of a building, but don’t necessarily focus on its efficiency and durability.
High-performance homes are constructed to last longer and operate more efficiently, providing a healthier living environment. Because of this, high-performance homes are less expensive to heat and cool, more comfortable to live in, and better for the environment.
Two Standards: Passive House and Net Zero
When considering high-performance builds, you will likely hear the terms Passive House and Net Zero. These are two different standards which aim to drastically improve the performance of a building, albeit in different ways.
Passive House
Originating in Europe, the Passive House standard is an international benchmark for ultra-low energy buildings. These buildings can maintain an optimal indoor temperature of about 21° C using very little energy. This is accomplished through:
- Airtight construction
- Exceptional installation
- High-performance windows and doors
The building envelope is so efficient that the home requires very little heating or cooling, even in extreme climates. This allows for year-round comfort in a quiet environment that is free from drafts.
Net Zero
A Net Zero home, as the name suggests, produces as much energy (or more) than it requires during the course of the year. It does so by combining on-site renewable energy systems– such as solar panels– with energy-efficient design.
Net Zero homes will typically feature:
- Highly efficient air sealing and insulation
- Energy-efficient appliances
- Renewable energy production
This results in a home that can frequently eliminate energy bills and may even produce excess energy that can be sold back to the grid.
Why Build a High-Performance Home?
Sproat Lake Passive House | Blue Water Concepts
Every homeowner will have their own motivation, but there are a number of common reasons to invest in high-performance construction, including:
- Lower Operating Costs
Building a high-performance home may be more expensive up front, but the cost to operate it is far lower. Reduced heating, cooling, and electricity bills can provide significant savings over the lifetime of the house.
- Healthier Living Environments
Thanks to their advanced ventilation systems, high-performance homes provide superior air quality. Allergens, smoke, and pollutants can be filtered out before they enter your home. This is especially beneficial to families with children, seniors, or anyone with respiratory issues.
- Durability and Longevity
Built to a higher standard, these homes offer greater durability. Advanced building practices and the use of superior materials ensure that your investment will stand the test of time.
- Year-Round Comfort
High-performance homes maintain consistent indoor temperatures even in extreme conditions. Cold drafts in winter and overheated spaces in summer will be a thing of the past.
- Environmental Concerns
Many homeowners seek ways to reduce their carbon footprint, and high-performance homes are the answer, reducing energy consumption and integrating renewable energy sources.
- Building certification
With both Net Zero and Passive House you have the peace of mind knowing that your house has been designed and modelled to meet incredibly stringent requirements. This is basically like receiving a report card of how well your house was built. Additional inspections ensure it was built to last much longer than a “code minimum” home.
What to Expect During the Process
Building to Passive House or Net Zero standards is a more involved process than traditional home building. Some of the key differences include:
- Design and Modelling
Before any physical work can begin, the home will be carefully modelled using specialized software, ensuring it meets the rigorous performance standards. This step involves precise planning, which helps reduce surprises during construction.
- Third-Party Inspections
High-performance homes undergo a more thorough inspection than standard homes, with independent professionals verifying that construction meets the required specifications.
- Attention to Detail
Every detail matters and plays an important role, from insulation installation to window placement. Higher-performance construction requires a superior level of craftsmanship and precision.
The Cost Factor
Building a high-performance home often involves greater expense up front when compared to a conventional home. This extra cost is the result of superior materials, specialized labour, and the intensive design and certification process. There are several points worth remembering, however, such as:
- Lower utility bills, allowing you to recoup your investment over time
- The possibility of incentives, rebates, or grants for homes that qualify
- A higher resale value thanks to the rising costs of energy and the growing eco-consciousness amongst buyers.
Common Misconceptions
Although there are many clear benefits, there are still some misconceptions surrounding Passive House and Net Zero construction:
- Only Wealthy Homeowners Can Afford Them
While it’s true that the initial investment is higher, high-performance homes are attainable for many families, thanks to financing options and long-term energy savings.
- They Have an Unusual or Futuristic Aesthetic
High-performance design principles can be applied to almost any architectural style, from traditional to modern.
- They are Only Suitable for Certain Climates
Passive House and Net Zero standards are used successfully in a wide variety of environments, including the extreme cold of northern winters and the intense heat of southern summers.
Choosing What’s Right for You
The choice of Passive House or Net Zero will depend on your goals. If, for example, your primary goal is comfort while minimizing reliance on active heating and cooling systems, Passive House may be for you.
On the other hand, if you are seeking energy independence and the elimination of utility bills, a Net Zero home could be the best choice.
Final Thoughts
High-performance construction is the future of building. With rising energy costs and growing concern for the environment, ever-increasing numbers of homeowners are seeking solutions that offer efficiency, comfort, and sustainability.
Whether you choose a Passive House or Net Zero project, your home will offer healthier, more comfortable, and more cost-effective living for you and your family.