Maine · IECC Climate Zone 6A-7 · Cold to very cold
Healthy Homes for Maine — Zone 7 Cold, Coastal Fog, and Wood Heat
Virtual Home Health Score assessments from Kittery to Fort Kent. GaiaCrete™ specified for Maine's long heating season and Downeast wetting loads. Founding Mr Hemp House® dealer territories open by ZIP code.
Very long heating season
Northern Maine can demand heat for seven months. Thin or settled insulation drives fuel use up and interior surface temperatures down, which is where condensation and mold start.
Wood smoke and indoor particulate
Wood and pellet heat is common in Maine. Backdrafting and poor ventilation put fine particulate into living space during exactly the months windows stay closed.
Coastal fog and driving rain
Downeast fog keeps siding and sheathing wet for long stretches, so a wall that cannot dry outward will hold water through the season.
What Climate Zone 6A-7 Means for Maine Homes
Maine runs from Zone 6A on the coast to Zone 7 in Aroostook County, with one of the oldest housing stocks in the country sitting on top of that. Long heating seasons, heavy wood-stove use, and tightly shut winter houses concentrate combustion particulate and moisture indoors. Coastal fog adds a wetting load that inland cold-climate detailing does not anticipate.
Maine Uniform Building and Energy Code (MUBEC)
MUBEC adopts the IECC statewide, with enforcement handled locally and mandatory in larger municipalities.
Start With Your Home Health Score in Maine
Virtual Healthy Home Assessments available in Maine. In-person coverage expanding.
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™ Insulation & Building Solutions in Maine
GaiaCrete™, a hempcrete alternative, is Mr Hemp House®'s bio-based hemp-lime building material — used for new construction, retrofits, and insulation upgrades. It is one offering inside the platform, alongside the Home Health Score and Healthy Home Assessment.
- Thermal performance R-2.5+ per inch
- Class A surface burning characteristics (ASTM E84)
- Mold-resistant at pH 12+
- 100% Biobased Carbon Content (ASTM D6866-22)
- Vapor-permeable, 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 Maine
Maine has no certified dealer yet. Founding dealers get territory priority, training, and direct GaiaCrete™ supply as the platform expands.
Claim the Maine territoryCredentials Behind Every Maine 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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