Arizona · IECC Climate Zone 2B-3B · Hot-dry desert to high country
Healthy Homes for Arizona — Desert Heat, Monsoon Dust, Thermal Mass
Virtual Home Health Score assessments statewide. GaiaCrete™ detailed for Arizona's Zone 2B-3B heat load and locally adopted city codes. Founding Mr Hemp House® dealer territories open by ZIP code.
Extreme summer heat load
Phoenix and Tucson see months of triple-digit heat, and lightweight walls swing indoor temperatures and cooling costs hard.
Monsoon dust and haboobs
Arizona dust storms force fine particulate into homes through leaky envelopes, unsealed ducts, and unfiltered ventilation paths.
Dry-air comfort and cracking
Arizona's low humidity dries out occupants and building materials alike, opening joints that then admit dust and monsoon water.
What Climate Zone 2B-3B Means for Arizona Homes
Arizona's low deserts sit in Zone 2B with extreme summer heat, while Flagstaff and the high country reach cold Zone 5B-6B conditions within a few hours' drive. Monsoon season concentrates rain and blowing dust into a few violent months. Thermal mass and dust control matter more here than the vapor-barrier thinking that governs humid climates.
Local adoption of the IRC and IECC by Arizona municipalities
Arizona has no statewide residential code; cities such as Phoenix and Tucson adopt and amend the I-Codes locally.
Start With Your Home Health Score in Arizona
Digital Home Health Score screening is available nationwide. In-person Professional Healthy Home Assessments are not yet scheduled in Arizona. Contact Mr Hemp House® for current product, dealer, consultation, and installation availability. Availability varies by market.
Home Health Score
A free screening that scores your home across indoor air quality, moisture and mold risk, building materials, and ventilation — so you know where to look first.
Healthy Home Assessment
A professional walkthrough of materials, moisture conditions, and ventilation, delivered as a prioritized action plan. Screening and guidance — not a medical or diagnostic service.
One part of the platform
GaiaCrete™ Hempcrete / Hemp-Lime Building Materials in Arizona
GaiaCrete™ is Mr Hemp House's hempcrete / hemp-lime building material alternative. It is used for new construction, retrofits, and insulation upgrades as one part of the Mr Hemp House® platform, alongside the Home Health Score and Healthy Home Assessment.
- Thermal planning reference R-2.5+ per inch
- Class A surface burning characteristics (ASTM E84) — material behavior, not an hourly assembly rating
- Alkaline mineral composition may be less conducive to some biological growth conditions
- 100% Biobased Carbon Content (ASTM D6866-22)
- Vapor-permeable, hygroscopic, no added VOCs
- Net carbon sink by design
Actual thermal performance varies by formulation, density, moisture content, installation method, and complete wall assembly. Final whole-wall thermal performance depends on the complete assembly, including material density, framing, finishes, thermal bridging, moisture conditions, and installation.
Be the First Mr Hemp House® Certified Dealer in Arizona
Arizona has no certified dealer yet. Founding dealers get territory priority, training, and direct GaiaCrete™ supply as the platform expands.
Claim the Arizona territoryCredentials Behind Every Arizona Project
Mr Hemp House® was founded in 2018 in Orlando, Florida.
Veteran-Founded, Veteran-Owned
Founded and owned by a U.S. military veteran.
SBA VOSB Certified
SAM.gov Registered
Active registration in the System for Award Management.
IMPEL Cohort
DOE / Lawrence Berkeley National Laboratory Innovation Program cohort.
VIP Procurement Cohort
Veteran Institute for Procurement graduate.
DOE Zero Energy Ready Home Partner
U.S. Department of Energy Zero Energy Ready Home program partner.
Beta Analytic Verified Testing
ISO/IEC 17025-accredited testing — 100% Biobased Carbon Content per ASTM D6866-22 (Certificate #531872642609133657, October 2022).
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