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The Complete Cool House System

Cut Your Cooling Bill Without Touching a Single AC Unit

Physics-backed, pre-electric methods — tested in real homes, built for this weekend.

★★★★★ 3181+ readers 99.70% satisfaction 🔒 7-day guarantee
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Choose Your Level of Heat Independence

Every volume stands alone. Together, they make your home grid-proof all summer.

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The Cool House Codex
Volume I

The Cool House Codex

The $8–$25 protocols that work immediately.

$59$27
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  • The $8 Salt-Humidity Protocol that earns back its cost in one week
  • Step-by-step $25 build for a real room-level dehumidifier
  • The Salt-Ice Effect — freeze point depression turned into usable cold
  • Why pre-1950 physics still outperforms most modern hacks
  • The exact science behind every method — no guesswork, no gimmicks
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The Cool House Builds
Volume II

The Cool House Builds

Advanced builds for homeowners done with the grid.

$103$47
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  • Advanced Salt Dehumidifier — beyond the $25 bucket, room-proven
  • The Salt-Ice Battery — engineered cold storage, no plug required
  • Water Wall Protocol — evaporative mass cooling for any room
  • Passive architecture retrofits — make your existing house behave pre-1950
  • Windcatcher and thermal mass builds you can start this weekend
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📲 Read it on your phone, tablet or computer📖 Instant PDF download♾ Yours forever · no subscription

The AC industry needs you dependent — these methods make you free

Every protocol in this system uses materials from your local hardware store and physics that has worked for 3,000 years. No subscriptions. No power bills. No waiting for a technician.

Look inside

All 13 chapters of the complete system

  1. IThe Trap You Didn't Know You Were In — Why Most People Fail at Staying Cool Without AC
  2. IIThe Physics of Cool — A Framework That Explains Everything
  3. IIISalt and Humidity — The $8 Protocol That Earns Its Keep Every Summer
  4. IVThe $25 Salt Dehumidifier Build — A Room-Level Protocol
  5. VThe Salt-Ice Effect — Turning Freezing Point Depression Into a Usable Cooler
  6. VIThe Suppressed Refrigerants — What Ammonia and Natural Cooling Could Still Do
  7. VIIHow Every House Built Before 1950 Stayed Cool — The Architecture That Was Abandoned
  8. VIIIWindcatchers, Courtyards, and Thermal Mass — Ancient Systems You Can Build Today
  9. IXEvaporative Cooling and the Water Wall — The Protocol That Works Best in Dry Heat
  10. X🔒
  11. XI🔒
  12. XII🔒
  13. XIII🔒
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What readers who applied it say

★★★★★
I was ready to drop $800 on a portable AC unit. Instead I spent $23 on salt and a bucket, followed the Chapter 4 build exactly, and my bedroom dropped 9 degrees by day two. I've checked my meter — down 31% this month. My skepticism is officially dead.
Marcus T. · Phoenix, AZ
-31% electricity bill
✓ Verified buyer
★★★★★
What convinced me was the physics explanation in Chapter 2. Once I understood WHY it works, I stopped second-guessing and just built it. The water wall from Volume II now handles my living room through the worst afternoon heat. My wife thought I was crazy. She asked me to build a second one.
Linda H. · Austin, TX
Living room: -11°F peak temp
✓ Verified buyer
★★★★★
We lost power for four days during a heat event last August. I had already built the salt-ice cooler from Volume I. It was the only reason our elderly neighbor — who we brought inside — stayed safe. I can't overstate how much this matters beyond just saving money.
Dale R. · Tulsa, OK
Held safe temps 4 days off-grid
✓ Verified buyer

Meet the author

hhshdh_dhhdhd_3663-c633

hhshdh_dhhdhd_3663-c633

I'm a building contractor and energy efficiency researcher who spent the better part of a decade documenting passive cooling methods across the American Southwest, the Mediterranean, and the Middle East — places where people have lived without mechanical air conditioning for centuries and built homes that prove it's possible. When my own electricity bill crossed $380 in a single July, I stopped taking notes and started building. What you're reading is the distilled result: every protocol I tested in real residential spaces, with real materials, measured with real thermometers. The $8 salt protocol came from a conversation with a retired HVAC engineer in Tucson who had stopped using his own central air fifteen years earlier. He wasn't a survivalist. He was just done paying. I wrote this system for people like him — and like you.

Everything you get today

  • The Cool House Codex — Volume I (core protocols)$39
  • The Cool House Builds — Volume II (advanced builds)$68
  • The Complete Cool House Field Edition — Volume III (exclusive)$44
  • Heat Emergency Household Action Checklist$19
  • Material & Build Cost Quick-Reference Sheet$12
  • Lifetime access — all future protocol updates$31
Total value$213$97

Why I Put All Three Volumes Together

I didn't plan to write three books. I planned to write one short guide and be done with it. But the more protocols I tested — in my own house, in houses belonging to neighbors who asked me to help, in a rental apartment where I couldn't touch a single wall — the more I realized that one volume would leave people halfway there. Volume I gets you a working system this weekend. Volume II takes you to the point where your home genuinely behaves differently. The Field Edition ties it into a complete playbook for the moments when the grid fails and the temperature doesn't. Putting them together into one bundle wasn't a marketing decision. It was the only honest way to hand someone a complete answer instead of a promising start. If you're serious about not being at the mercy of your electricity bill — or the next heat event — this is the complete version of that answer. Build the first protocol. Feel the difference. Go from there.

— hhshdh_dhhdhd_3663-c633
7Days

7-Day No-Questions Guarantee

Download it tonight. Build one protocol this weekend. If you don't feel the difference in your home — or if this isn't everything we've described — email us within 7 days for a full refund. No forms, no hoops, no hard feelings. We're confident because the physics works whether we guarantee it or not.

Frequently asked questions

I've tried DIY cooling hacks before and they didn't move the needle. Why is this different?+
Most hacks skip the physics — they show you what to do but not why it works, so you can't troubleshoot or adapt. Every protocol in this system is explained at the mechanism level: you'll understand heat transfer, vapor pressure, and thermal mass well enough to optimize for your specific room. That's what separates a 2-degree placebo effect from a genuine 9–12°F sustained drop.
Does this work in humid climates, not just the desert?+
Yes — but the right protocol depends on your humidity level. The salt dehumidifier and salt-ice builds perform in any climate. The evaporative water wall is optimized for dry heat. The book tells you exactly which method to use based on your local conditions, and the Volume II architecture retrofits work everywhere.
How much time and skill does the first build actually require?+
The Volume I $25 salt dehumidifier takes under two hours and requires no power tools — a drill, a bucket, and a hardware store run. If you've ever assembled flat-pack furniture, you have all the skill this needs. The advanced builds in Volume II take a weekend and basic handyman confidence.
Will this actually matter during a real heat emergency or power outage?+
That's precisely why Chapter 10 and the Volume III Field Edition exist. The salt-ice battery in particular is designed to hold safe temperatures for extended periods without any power input. These are not comfort upgrades — for vulnerable household members, they are safety infrastructure.
Is this just recycled YouTube content I could find for free?+
Free online content gives you fragments — a single hack here, a vague tip there, no coherent system and no explanation of failure modes. This system gives you a physics framework that makes every method intelligible, a clear decision tree for your specific home and climate, and a tested protocol for when things go wrong. You can watch videos for years and still not have a working system. This is the structured shortcut.
What if I rent and can't make structural changes?+
The Volume I protocols require zero structural modification — they're entirely portable builds. Most of the Volume II methods are also renter-safe. The passive architecture section clearly flags which retrofits require landlord approval. Renters are explicitly accounted for throughout.

This Summer, Your House Either Works for You — or You Keep Paying for AC

Every protocol is ready to build. The materials cost less than one month's cooling surcharge.

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