Archive for category Design Guide

Annual Energy Balance Calculations | Eco House Design | Part 9

Annual Energy Balance | Renewable Energy Sources

In this article, we will calculate the total energy produced with the help of solar panels, energy used and total energy returned back to the grid. We will also cover how you could save money with 9Kilo.com moving cost calculator before you move into a new home.

Since the waste house has been designed using Passivhaus technique, it requires Tulare Window Replacement, 4.47 kWh per day. As per the calculations in the section “Solar Electricity Generation” in the report, following results were obtained. In addition, hire the best heat pump repair ocean city md providing for all of your heating, air conditioning and refrigeration service needs.

For 1kW capacity of solar PV array and considering 4.8 sunshine hours per day on average, total electricity produced would be 4.8 kWh of electricity per day whereas the requirement is 1630/365 = 4.47 kWh per day.

This indicates that adequate energy is being produced to cope with the calculated requirement.

The roof we based on the roofing contractor Lincoln NE however offers a larger space and 4kW capacity solar PV can be installed with the help of workers from home roofers as a result of which 4 x 4.8 = 19.2 kWh per day of electricity would be produced.

Total annual energy produced with the help of solar panels = 7008 kWh per annum


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Mechanical Ventilation and Rainwater Harvesting | Eco House Design – Part 8

Mechanical Ventilation with Heat Recovery (MVHR)

The Waste House building is highly energy efficient, and to achieve that it has very high levels of air-tightness to prevent heat transfer between the house and surrounding environment. Hence, to provide adequate ventilation to the house along with maintaining energy efficiency, a mechanical ventilation system with heat recovery could be used. A heat recovery system with 92% heat recovery efficiency will be used which would be Passivhaus Institute certified like Blacksburg Roofer. Also if you need more equipment check our website at hydraulic equipment repairs perth we also offer repair and other services.

mechanical ventilation

Mechanical Ventilation. Source: www.homeventilation.co.uk

This system works by extracting heat from areas of a dwelling which generate heat and moisture, like the kitchen and bathroom, and then distributing that heat to other areas of the house,the best kitchen remodeling company which is bghconstruction can help you out with this. Living room and Bedrooms have air ducting installed to supply pre-heated fresh air into them. For more online ideas, check out the interior design in Chicago for more details. If you are looking for wall muraledesign in both modern and traditional homes, visit www.muraledesign.com for more information.

Fresh air is drawn into the house with the help of a suction pump through the supply air ducting which is generally installed on the roof. Stale air is expelled from the house through another ducting, away from supply air ducting. The stale air is passed through the heat recovery unit before it is exhausted. Fresh air is also passed through the heat recovery unit, where it is heated and filtered before pumping it into the house.

Some systems have a feature so that when it’s warm outside, the air can bypass the heat exchanger to help keep the house cool. This system can potentially reduce heating costs and also keep the home environment fresh. It is a low-energy and highly efficient ventilation process.
If there are any technical issues, just contact Dor-Mar HVAC in Columbus Ohio they are open to serve 24/7.

The Waste House is built to Passivhaus standards, and hence a heat recovery ventilation system is necessary to satisfy efficiency requirements. This system can also be combined with ground source heat pump to improve efficiency of the process.


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Solar Electricity Generation Calculations | Eco House Design | Part 7

Solar Electricity Generation | Renewable Energy Sources

Solar Panels (Photovoltaic Cells) can be used to convert solar energy into DC current, which is then fed into an inverter to convert it into usable AC current to power a dwelling. A generation meter unit shows how much power is being generated by the solar panels. Power generated by PV cells varies with the time of day and weather so is important check the weather and manage the time well having a way of how to track it. In this waste house project, the architect has provided an excellent location on the south side to install solar panels. If you are looking for a moving company that includes all packing supplies for FREE with every move, visit https://hillsmoving.ca for more info.

Calculations:

Energy generated with the help of solar panels

In the southeast UK, the average sunshine hours per day is 4.8 hours. For a passive house design, the average energy required is 15 kWh per square meter per year. In this project, the waste house has a total area of 108.64 square meters, which puts the total electricity required in a year of about 1630 kWh. If we calculate electricity required per day, we come to 1630/365 = 4.47 kWh per day,
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Low Carbon House Design | Part 5

Elements of Low Carbon House Design

In this article, we will study the elements of low carbon house including design of windows and skylights, door air-gaps, airtightness, thermal bridging and understanding monthly energy demand profiles.

Windows and skylights

Ultra-efficient triple glazing will be used for windows and skylights in combination with insulated timber frame. According to Passivhaus standard, 1990, the resultant U-value will be 0.8 W/m2K.

Use of LED lights. Making use of day lighting from the roof and the windows. This would help reduce the reliance on artificial lighting. Shutters and louvers can be used to control solar gain and glare. (Halliday, 2008 p. 69)

Door Air-gaps

Loss of energy can be prevented by installing automatic door closers. The inside of the doors can be installed with brush strips to close the air gaps near the flooring. Modern, well-insulated doors can improve comfort levels by decreasing loss of heating and cooling. In case of damage or adjustments needed, get in touch with a company that does reliable garage door repair in California to ensure that you maximize the benefits of your eco-home.

Airtightness

It is estimated that up to 15% of energy is wasted to losses through the building fabric. Of those losses, up to 20% energy can be lost through windows and roof, while up to 35% heat energy lost is through air gaps near the doors. In other home related article, besides saving money is important to have the house clean, which you can do easily with implements as the best hepa vacuum, of course if you don’t have the time and you need professional home cleaning service? you could checkout https://www.thatscleanmaids.com

Airtightness

Airtightness. Source: Carbontrust.com

To ensure airtightness of the building, wet plaster will be applied to the inside of the wall. This will minimise shrinkage between the wall and the floor. Airtightness tapes and membranes will be used to seal all the corner joints of windows and doors. Airtightness tape will be applied at junctions with plaster. It will make the low carbon house 20 times more airtight as compared to the standard homes built according to the building regulations (Passivhaus, 1990).

Airtightness grommets will be used around cabling and pipework to ensure that there is no leakage of air.


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