patrick.net

its

justme,

The most efficient way is to re-insulate the house. Double-pane windows, doors, insulation throughout, you can use wool or fiber glass if you want to be fancy. I believe that you can even get some tax break on your insulation cost.

Then you may want to see if you have enough windows and openings facing the right direction (south, east), and if you can find ways (adding covered porch) to reduce heat dumped into your house in the afternoon if it faces west, or reduce your windows and openings to the north.

justme Says:
Do you have specific knowledge as to what is the best solution to turn a BA crapshack (per building code) into something that is livable without forced cooling, 24×365?

One of the simplest ideas I know of is vents.

In the northern hemisphere, install vents low to the ground in the southern wall, and high near the ceiling (preferably under eaves) on the northern wall. In summer, this results in cold air getting sucked in near the floor from the south while hot air gets expelled from the top to the north. That alone drops your peak room temps by 5 degrees - which is a big deal because over the course of the day, that 5 degree temperature difference adds up to a huge amount of trapped heat. The vents can even be in different rooms, as long as there is some way for air to flow from one to the other.

You can increase the effect by having some kind of water-feature just below your south vent, which cools incoming air even more dramatically. The longer the air-way over water, the better it gets. And a couple of slow fans on the exhaust side can help too.

I have seen variations of this trick used literally all over the tropics - central and southern africa, Tangier, Iraq, Lebanon, Ceylon, Indonesia, Turkey, etc.

Forced cooling? In The City you almost never could imagine needing cooling. Maybe a few days out of the year, but on those days, I just go to the beach.

We have our house very thoroughly insulated though, per OO's suggestion. A breeze blows in almost every afternoon and it used to get chilly before the insulation.

Malcolm/NVR,

link please

StuckinBA gave you the full link at 10:41 am. It's the March SoCal numbers from DataQuick.

Alright, I know median is not the best measure available,

BUT

EVERY county on the DQ SoCal list has a YOY median down 15% plus, and the SoCal aggregate median is down 23.8% YOY.

Plus sales have taken ANOTHER big seasonally adjusted fall (up 18% from February when the normal Feb/Mar delta is 38%).

March Bay Area DQ numbers are due out in a few hours. :twisted:

SP,

Interesting summer venting idea. But why have the air intake on the hot southern side of the house? Why not draw in the air from the cooler, shaded northern side of the house?

Zephyr Says:
why have the air intake on the hot southern side of the house?

In the tropics, the sun's arc is to the north in summer. The base of the southern wall is usually in shade in summer because the sun passes overhead to the north.

However, I am not an expert :-) so there may be another explanation too.

I'm sure Different Sean would rig his vents differently.

Meanwhile, here I am in flyover country, sitting here bitter - bitter I say - and clinging forelornly to my guns, my religion, and my hatred of swarthy foreigners. ;)

I think the best ventilation in the tropics is to be in a hammock under a shady tree by the beach, with a cool drink...

Meanwhile, here I am in flyover country, sitting here bitter - bitter I say - and clinging forelornly to my guns, my religion, and my hatred of swarthy foreigners.

Here I am, sitting here bitter and jealous, clinging to blogs. ;)

I think the best ventilation in the tropics is to be in a hammock under a shady tree by the beach, with a cool drink…

The tropic is too humid regardless.

It is probably nicer to get an outdoor massage in Sedona right next to the red rocks.

Thanks for the responses detailing insulation and ventilation. Interesting reading. The ventilation technique was news to me.

The big question about insulation, to me, always has been whether non-invasive retrofitting techniques really are as good as the invasive methods, or how significant the differences are.

Probably so. The massage would be good. I don't like humidity, but I do like the ocean to moderate the temp. So I think San Diego and Santa Barbara sound pretty good.

Probably so. The massage would be good. I don’t like humidity, but I do like the ocean to moderate the temp. So I think San Diego and Santa Barbara sound pretty good.

I like Santa Barbara. San Diego is a bit warm.

US Peso falling again!

Oil 114.92

My gold is not back above 1030 yet. :(

Measured against oil, all (or nearly all) currencies have fallen in recent years.

Peter,

What do you think about the Norwegian Krone as an anti-dollar investment?

Paul

What do you think about the Norwegian Krone as an anti-dollar investment?

I don't know...

To me, currencies are more like trading instruments rather than investment vehicles. In trading, it is better to act according to market reactions, not economic forecasts.

There are also dollar index (or inverse dollar index) contracts and ETFs.

Not investment advice. Not trading advice.

Please tell me you didn't actually buy an ounce at 1030.

Please tell me you didn’t actually buy an ounce at 1030.

No, I did not.

Zephyr Says:
I think the best ventilation in the tropics is to be in a hammock under a shady tree by the beach, with a cool drink…

As long as there is a good breeze, and no flies or mosquitoes. :-)

I hate beaches. I rather have cream tea next to a creek.

Another good way to insulate your house is to plant a tree or four that blocks the sun from hitting your roof and some walls.

I see a bunch of homes in Dublin under $300/sq foot.

http://www.redfin.com/stingray/do/printable-listing?listing-id=1355974

Look at that Zillow graph!

Dear Editor,

Congresswoman Anna Eshoo is on the campaign trail proclaiming the importance of our right to privacy. Funny, she takes this position selectively--only regarding abortion--which she knows is a likely vote-getter for her. But when it comes to our health and medical decisions, she’s in favor of one-size-fits-all Covid vaccines, booster after booster, and top-down governmental edicts. Nor have I heard her speak out against vaccine passports, an obvious violation of our right to privacy. Coincidentally perhaps, Eshoo has been funded by Big Pharma for years.

Fortunately, there’s another Congressional District 16 candidate running against her who supports our medical privacy: Dr. Richard Fox. Dr. Fox is a physician and attorney who understands issues of medical privacy and medical/health freedom inside out, opposes vaccine passports--which are primarily a tool for surveillance and governmental control over individuals— and will fight to maintain our right to privacy along with all of our Constitutional rights.

Cherie Zaslawsky

Menlo Park