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Spray foam insulation in attic and basement (cellulose based). Mini-split AC system (multi-zoned Mitsubishi or LG). CAT-6 wired, RJ-45 connections (two in eac

Spray foam insulation in attic and basement (cellulose based). Mini-split AC system (multi-zoned Mitsubishi or LG). CAT-6 wired, RJ-45 connections (two in each room). Electrical, instant-on hot water heater (no tank). Graywater system to save on toilet flushes. Double-gang outlet boxes (so you can have 4 outlets, instead of 2). Air-to-Air heat exchanger (they are called many things - it replenishes stale, indoor air with fresh outdoor air without changing the temperature too much). Steam shower. Wiring closet. CAT-5/CAT-6 to outside eaves of house for CCTV streaming network cameras. Mutli-zone sprinkler system with soil moisture monitoring. Rain-water fed cistern (for irrigation, toilet). Laminar flow fountain with LED color-changing lights. Green roof (it grows plants on the roof to absorb the sun's energy and reduce rain water runoff). Natural pool (it uses plants to filter the water, not chemicals). A mote. A portcullis.

melling 16y ago
Do instant-on hot water heaters work well? What are the best brands. I'm in an apartment with a small tank that I would like to replace.
- chopsueyar 16y ago
  Stiebel-Eltron. You may have to add some extra circuit-breakers. http://www.stiebel-eltron-usa.com/tempra.html http://www.stiebel-eltron-usa.com/tempra.html
- RockyMcNuts 16y ago
  A buddy did a top-of-the-line instant-on gas water heater, I'm sure it saves money but it does take a minute or more for water temperature to stabilize and get to the 2nd floor and actually be able to take a shower. YMMV.
- Vivtek 16y ago
  Depends where you are. We had one in Puerto Rico (i.e. warm water coming into the house) and I loved it. Up north it's questionable. And note that when it's on, especially during the winter, it will suck down a lot of amperage - like, 60 amps. If you've only got 100 amp service, like I do, you probably want to go with a gas heater.
- joezydeco 16y ago
  They don't work well with high-efficiency washers. The washer pulls a small amount of hot water so slowly that the heater never sees the demand to kick the heat on.

melling 16y ago

Do instant-on hot water heaters work well? What are the best brands. I'm in an apartment with a small tank that I would like to replace.

chopsueyar 16y ago
Stiebel-Eltron. You may have to add some extra circuit-breakers. http://www.stiebel-eltron-usa.com/tempra.html http://www.stiebel-eltron-usa.com/tempra.html
RockyMcNuts 16y ago
A buddy did a top-of-the-line instant-on gas water heater, I'm sure it saves money but it does take a minute or more for water temperature to stabilize and get to the 2nd floor and actually be able to take a shower. YMMV.
Vivtek 16y ago
Depends where you are. We had one in Puerto Rico (i.e. warm water coming into the house) and I loved it. Up north it's questionable. And note that when it's on, especially during the winter, it will suck down a lot of amperage - like, 60 amps. If you've only got 100 amp service, like I do, you probably want to go with a gas heater.
joezydeco 16y ago
They don't work well with high-efficiency washers. The washer pulls a small amount of hot water so slowly that the heater never sees the demand to kick the heat on.