But what really causes overheating, is it really worse in low energy buildings, how
do passive houses fare, and what can be done to prevent it?
PHIUS
does passive house.
Not exact matches
It's easy to save for the next down payment, even in the expensive Denver market, when you don't have to pay any rent or mortgage at all, and have thousands of dollars in
passive income from the first few
house hacks!
Between my job and
passive income, I should surpass 300k / yr within the next 6 months, I'm able to live in a
house nice enough to be a forever home with a 1,400 / month mortgage,
do things like surprise my dad with a Mazda mita (his dream car) as a retirement gift, etc..
I turned to writing, and when I wasn't writing, I was repairing and maintaining a
passive - solar
house in the country: shoveling snow, hauling tons of firewood up a steep hill, planting a vegetable garden that didn't get enough sun, and fulfilling various back - to - nature clichés.
Arguing about stupid shit and being
passive aggressive doesn't set a nice tone for the day so I threw in the towel and I decided that working from home was in order and I managed to get some errands and chores
done around the
house.
Student will answer the driving question: What role
do different materials play in maximizing energy transfer into a system, and how can we apply this to design a
passive solar
house?
«I have spent many years trying to figure out why people have the misconceptions they
do,» says Chris Turnbull, portfolio manager with The Index
House, an Edmonton wealth management firm that uses
passive strategies with clients.
We have been
doing exactly what you are
doing for 15 years now and though the
passive income is good, I am getting out of the rental business b / c I am tired of dealing with frustrating tenants and
house repairs.
These
houses sip so little energy that this is almost just a cherry on top, but it doesn't take a very big solar panel to generate all the electricity a
passive house needs.
You don't need a lot of green gizmos for a
passive house.
By building or retrofitting to achieve resilient design, we can create homes that will never drop below 45 to 50 degrees Fahrenheit even if the
house is totally cut off from power and heating fuel — they can
do that with high levels of insulation, top - performing windows,
passive solar gain, and other features..
The
passive house idea is so sensible, where instead of covering your
house in green gizmos that generate heat and power, you design the systems so you don't need them.
A local contractor, Craig Morgan, who had been lined up to work on the
house from the start, had no
passive house experience but
did have an instinctive grasp of the basic principles.
Rafael Delimata agreed: «The client would have been better off in terms of money and time spent on the project had they opted for Enerphit, but they wanted to go full
passive house, so we were determined to help them achieve that, and we
did.
A diagnostic initial blower door test,
done when the external envelope was completed on one of the development's show
houses, took place on December 12 and delivered a worldbeating result of 0.16 air changes per hour (ACH), well inside the
passive house standard of 0.6 ACH and the best result this magazine has ever noted for a masonry building.
In fact
passive house buildings
do have heating demand, and it seems that the PHPP internal heat gains figure is a good approximation in most cases.
«We had all the details ready, they
did not all have to be designed afresh for
passive house, which would have been impossible in the time,» she says.
The Europeans
did a fairly extensive study on the back end performance of
passive houses.
«We have a dedicated section on
passive house, which is really quite a breakthrough, because usually the report is very short and doesn't go into detail,» she said.
As well as that, shortly before he left the organisation, Daire's predecessor had
done a course on
passive house as part of his professional development and had introduced the company to the idea.
And even though he didn't set out to build a
passive house, he managed to meet the standard while
doing almost all of the work in conjunction with his father, while exceeding the targets of Ireland's nearly zero energy building definition.
I wasn't involved at the time and don't know all the details, but now there are two separate groups promoting
passive house in North America.
The learning curve for
passive house is steep and sometimes people new to the program don't get it right.
«It's my favourite
passive house we've
done because we designed it from the inside out like a true building should be.
Although the Beehive
did not quite meet the Enerphit (
passive house retrofit) standard based on calculations
done by Clare when the building was completed, there is reason to believe that it would fare better if re-assessed.
We don't need to be cherry picking expensive solutions when the reality is that assessment of thermal bridges is the low hanging fruit lining the path to nZEB,
passive house and low - energy building.
What is true is that to certify an opaque building element — such as a wall system — as a
passive house component, the manufacturer
does have to come up with standard connection details which have psi - values of 0.01 W / mK or less.
So if we actually calculate the psi - values for junctions in a
passive house they're typically negative values, in order to correct for our conservative over-estimation when
doing our energy - accountancy.
We'd never
done a heavyweight structure before for a
passive house.
And yet despite tougher building regs and a surge of interest in the
passive house standard there hasn't been any significant palpable change in our knowledge as an industry in terms of what thermal bridging actually is, what the regulations require us to
do when it comes to accounting for thermal bridging in buildings, how we minimise thermal bridging effects at design stage, where it sits in the overall context of a BER or Sap assessment and so on.
«Today, you wouldn't question [using] the
passive house standard windows and doors throughout,» says Whiriskey, «but at the time, we
did what we could within budgeting constraints.
For him,
passive house just means, «good sensible design that you would
do anyway if you were trying to construct a
house as best you could.»
The
passive house software
does evaluate overheating risk.
«We initially approached John with a view to building the original design, but to
passive house standard and our research showed we could
do it,» says Nick.
I was on a tour of
passive house projects in Seattle a couple of days ago when someone asked me, «What
do you call the outdoor part of a heat pump?
I'm one of Albert's friends that he mentioned, and our futurefitted
passive house did not exceed 76F throughout our 20 days of 90F or greater ambient.
By building or retrofitting to achieve resilient design, we can create homes that will never drop below 45 to 50 degrees Fahrenheit even if the
house is totally cut off from power and heating fuel — they can
do that with high levels of insulation, top - performing windows,
passive solar gain, and other features that I've been covering in these RDI blogs.
Once you've designed and built a home with
passive solar features, and the
house is close to airtight and superinsulated, what fuels
do you suggest?
«We can
do that with
passive house.»
Porter manufactured the SIPs for the Gulyas
House, a very interesting LEED Platinum house that was «closely approximates concepts employed in the German passive home» but does not appear to have been certified Passiv
House, a very interesting LEED Platinum
house that was «closely approximates concepts employed in the German passive home» but does not appear to have been certified Passiv
house that was «closely approximates concepts employed in the German
passive home» but
does not appear to have been certified Passivhaus.
There aren't too many
passive houses in Australia and if I lived there, I suspect I wouldn't want to be bottled in like this, and prefer Andrew Maynard's approach to green building where you
do design for natural ventilation and orientation, and blur the line between inside and outside.
«What we have found since is that lots of people are finding it quite difficult to commission
passive house because not many people know how to
do it properly.
If you were going to
do something that typically produces enormous returns on capital invested (like
house - hacking, for example) it would make more sense to
do that, and then use the
passive income to pay down the student loans.
I am a full time real estate investor
doing both buy and holds for
passive income and wealth creating and also a full time
house flipper.