Talking Building Performance - ecoEVO design

Things that need to be done after getting off gas!

Johnny K — Tue, 27 Aug 2024 06:16:32 +0000

Get Off Gas and Embrace your Heat Pump heating and cooling performance: A Guide for Residential Properties**
Are you ready to make the switch from gas heating systems to efficient heat pumps? In this video, we dive into the exciting government grants available in Australia that can help you transition smoothly.
What’s Covered:
– Government Grants: Learn about the grants that cover the removal of your old gas heating systems and the installation of energy-efficient heat pumps.
https://www.energy.gov.au/rebates/hou…
– System Transition: We guide you through products that can be used from tighthouse.com.au for making your ducted heating systems and gas heaters inside chimneys airtight and thermally insulated.
– Efficiency Upgrades: Discover essential tips for retrofitting your home for better air tightness and consistent thermal insulation, ensuring maximum efficiency and comfort with your electrified home.

While these grants cover the main transition costs, they don’t include repairs for building fabric, air tightness, and insulation. But don’t worry, we’ve got practical solutions to help you manage those aspects too!

Watch now and take the first step towards a more energy-efficient and eco-friendly home!

If you find this video useful, don’t forget to like, subscribe, and leave a comment.

#GOG #GETOFFGAS #Tighthouse

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Winter survival guide for renters for a more comfortable home.

Johnny K — Mon, 24 Jun 2024 03:00:21 +0000

In this video, we delve into practical methods to temporarily make your rental home more airtight and reduce thermal bridges caused by an inactive evaporation cooler system. We cover various air leakage points, such as ducted heating returns, gaps around heating boots, and wall ventilation, highlighting their impact on energy efficiency. Addressing a poorly designed and modified ducted heating system, we demonstrate retrofitting draught stoppers to enhance its functionality.

Finally, we reveal blower door test results before and after these improvements, showcasing the effectiveness of our approach in creating a more energy-efficient living space.

#airtightness

#rental

#beingcomfortableathome

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Roof Colour – We answer your questions

Johnny K — Mon, 24 Jun 2024 02:51:51 +0000

A roof’s colour can significantly impact its temperature, affecting the interior temperature of the building and overall energy consumption. This relationship between roof colour and temperature is primarily due to how different colours absorb or reflect solar radiation. Here are some critical points on the benefits of a cooler roof: 1. Energy Efficiency Cooler Roofs Reflect More Solar Radiation – Lighter-colored roofs, often called “cool roofs,” reflect more sunlight and absorb less heat than traditional dark-coloured roofs. This can reduce the roof surface temperature by up to 50 degrees Fahrenheit. Lower Energy Costs – Cool roofs reduce the need for air conditioning by reflecting more solar energy, leading to lower energy bills. In hot climates, this reduction in energy demand can be particularly significant. 2. Improving Comfort Reduced Indoor Temperatures – Buildings with cooler roofs have lower internal temperatures, which can improve occupants’ Comfort, especially in buildings without air conditioning. Mitigation of Urban Heat Island Effect – Cool roofs help mitigate the urban heat island effect. In this condition, urban areas experience higher temperatures than their rural surroundings due to human activities. This can improve overall city living conditions. 3. Sustainability and Environment Decreased Greenhouse Gas Emissions – By reducing the need for air conditioning, cool roofs reduce greenhouse gas emissions from power plants.

Extended Roof Lifespan – Cooler roofs can also contribute to an extended lifespan, as the materials degrade more slowly when not subjected to extreme temperatures. Solar – Less heat equates to Fewer failures with solar systems and arguably more energy output. The benefits of a more excellent roof are extensive, from significant energy savings and increased Comfort for occupants to broader environmental benefits. Selecting roofing material and color with a view to maximizing reflectivity can vastly improve the immediate living or working environment and contribute to broader climate change mitigation efforts. As awareness of these benefits grows, more homeowners and building operators are considering excellent roof solutions for their properties.

#coolroof

#ceramiccoating

#zincalume

https://www.abc.net.au/news/2024-03-26/heat-trapping-dark-roof-cost-extra-electricity/103631672

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How Wind Steals Your Insulation Performance

Johnny K — Mon, 24 Jun 2024 01:29:25 +0000

Insulation wind washing is when air movement disrupts the effectiveness of insulation, typically in a building’s attic or walls. This can happen when outside air penetrates the building envelope and moves through or around the insulation material. Here’s how it works: – Air Infiltration: Air can enter through gaps and openings in the exterior shell in improperly sealed homes. This can be around windows, doors, or other penetrations for utilities. – Disruption of Insulation: As air flows through these gaps, it can move through and around insulation batting or other types of insulation. The air movement effectively “washes” over the insulation. – Reduced Effectiveness: When insulation is subject to wind washing, its ability to resist heat transfer (R-value) diminishes.

This is because insulation relies on trapping air within its structure to provide thermal resistance and moving air disrupts this trapped air. – Potential Consequences: The result can be increased energy costs, uneven heating and cooling in the building, and an overall decrease in comfort. It can also lead to moisture problems, as moving air can carry moisture, which may condense when it encounters cooler surfaces. To prevent wind washing, a well-sealed vapour permeable wrap can help control both air and moisture flow, improving the overall efficiency of the building’s insulation system.

#energyefficiency

#insulation

#buildingperformance

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Leaking Ducted Heating Returns

Johnny K — Tue, 02 May 2023 08:20:42 +0000

Ducted heating systems use air ducts to distribute heated air throughout a building. The return air ducts are responsible for circulating the cool or heated air back to the air conditioning system to be re-conditioned. The return air ducts must be airtight to ensure the system operates efficiently and effectively. Several negative consequences can occur if the return air ducts are not airtight. Firstly, air leaks can cause the system to lose efficiency, as heated air escapes from the ducts before it can be circulated throughout the building. This can result in increased energy consumption and higher utility bills. Secondly, air-leaks can allow unfiltered air from the roof space to enter the system. This can lead to a buildup of dust and allergens in the ducts, which can be circulated throughout the building and cause health problems for occupants sensitive to these particles, especially asthmatics. Finally, air leaks can cause negative pressure within the building, leading to back-drafting of flues and chimneys. This can result in carbon monoxide and other dangerous combustion byproducts entering the building, posing severe health hazards. The return air plenums in wall cavities and ducts must be properly sealed and airtight to avoid these and other problems associated with air leaks in ducted heating systems. This can be achieved by using Air barrier tapes, XPS Board, caulk products and other sealing materials explicitly designed for use in ductwork mechanical systems.

#energyefficiency #asthmasufferers #IAQ https://efficiencymatrix.com https://ecoevo.com.au

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New build Roof-Eave detailing for better insulation

Johnny K — Sat, 06 Nov 2021 05:31:09 +0000

Building a new roof for your new home have a look at this detail for better ceiling insulation performance, around the whole perimeter of your home.

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The weakest link of insulation in most homes

Johnny K — Fri, 22 Oct 2021 07:32:03 +0000

Insulation around the whole perimeter of your home, can be a significant performance hit on your homes heating and cooling needs. Spray foam can be used as a very useful tool, to improve the overall consistency of this critical junction, that has limited room/volume to fix.

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Finishing Trades – Tackling Air Leakage & Ventilation for new builds including Renovations/Retrofits

Johnny K — Sun, 09 May 2021 10:50:54 +0000

Episode 3 – This video should be watched for information about the Finishing Stage or retrofitting a new home to be more efficient.

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Getting more air tightness out of your home or renovation!

Johnny K — Sat, 08 May 2021 08:38:10 +0000

This video should be watched for information about the tail end of the Insulation Stage and Plaster Stage or retrofitting a new home to be more efficient when installing new joinery for a kitchen or a bathroom.

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Common Sarking or High Performance Wall Systems by Proclima?

Johnny K — Sat, 29 Aug 2020 04:06:43 +0000

Foil sarking is a commonly used product for wrapping Australian homes, in this video we cover the reason why we wrapped homes. The reason why foil sarking (radiant barrier) became a common product used in Australian construction, and why we need to transition away from these products, and more to higher quality products that are based on sound building physics principles.

* Reducing moisture content in wall cavities,

* reducing air flow in wall systems, and increasing insulation performance,

* while providing a services cavity that assists services to be installed without effecting building performance.

This video covers all these important concepts, for better performing wall systems in Southern Australia and Northern Australia.

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