Raised bed garden with heat reflection issues

So, on my new property the raised bed garden is on the south side of the lower house which is covered in white aluminum siding. My understanding from the seller is that excessive heat is a major issue. They had tried shading the house with some cloth, but this is not feasible for me, as it requires multiple people on 20+ foot extension ladders. Obviously, I don't want to paint the house a dark color, because that would heat the house excessively. I'm thinking some fast growing annuals that can reduce the reflection before the really hot season begins. It would need to be trellised at least a foot from the house. I don't want any aggressive vines that will grow under the siding. Does this sound viable or am I missing something?

That sounds viable to me.  Maybe hops or scarlet runner beans?  Another option could be to trellis the greenery to the north of each raised bed so you don't need as tall a vine as quickly.

I have thought of that as well. The raised bed garden is a series of 5 beds across and 3 deep. I was thinking that I could trellis between the second and third row with a bridge between to protect the third row bed closest to the house, as that seemed to be the beds that had the most issues, but I'm not sure that I will get to that this year. Having only been on the property a month, I'm trying to just get something in, if for no other reason as to see what issues I have to deal with. Coming from the Bay Area, too much heat has not been an issue I've dealt with. Thank you for your response.

Maybe some simple trellises from this thread could get you going?  Simple trellis for green beans

Maybe put high heat/light loving plants there? Try hot peppers, (they would probably LOVE it!) onions, tomatoes if you keep them watered enough. Do not put anything that sunburns for the summer, like lettuces, most herbs, etc, but put them there in fall so they last a long time. Consider it a microclimate of it's own, you have a chunk of the desert in Oregon!

In NM I had high sun areas that I used cheap trellis to partly shade it. Not sure if you get cheap trellises there.