Manual J Load Calculation Service — Idaho, Oregon, Washington, Arizona, New Mexico & Utah
Local climate zone expertise combined with national ACCA standards. We serve HVAC contractors across 6 western US states, with specialized knowledge of each region's building codes, climate zones, and permit requirements.
Where We Serve
Idaho Manual J
Idaho's cold winters and moderate summers create significant heating loads. We serve HVAC contractors in Boise, Nampa, Meridian, Twin Falls, Idaho Falls, Coeur d'Alene, and across the state. Our reports meet Idaho state building code and local jurisdiction permit requirements.
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Oregon Manual J
Oregon's marine and continental climates require careful analysis. We serve HVAC contractors in Portland, Salem, Eugene, Bend, Medford, and across Oregon. Our reports meet Oregon residential specialty code (ORSC) and local permit requirements.
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Washington Manual J
Washington's maritime and continental climates demand precision. We serve HVAC contractors in Seattle, Spokane, Tacoma, Bellevue, Yakima, and across Washington. Reports meet Washington State Energy Code (WSEC) requirements.
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Arizona Manual J
Arizona's extreme summer heat demands precise cooling load calculations. We serve HVAC contractors in Phoenix, Tucson, Scottsdale, Mesa, Chandler, Flagstaff, and across Arizona. Reports meet Arizona Energy Code and local jurisdiction requirements.
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New Mexico Manual J
New Mexico's high-altitude and high-desert conditions create complex load scenarios. We serve HVAC contractors in Albuquerque, Santa Fe, Las Cruces, Rio Rancho, and across New Mexico. Specialized expertise in solar radiation and elevation corrections.
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Utah Manual J
Utah's diverse climate — from Salt Lake City's valley humidity to high-altitude mountain communities — requires regional expertise. We serve HVAC contractors in Salt Lake City, Provo, Ogden, St. George, Park City, and across Utah.
Order Utah Manual J →Why Local Expertise Matters
Tim Neumeyer grew up in the western US and built Manual J USA on deep knowledge of these regions' climate, building codes, and contractor relationships.
Regional Climate Knowledge
We understand microclimates, elevation effects, humidity patterns, and seasonal variations across 6 states. Generic calculations don't work—regional expertise does.
Building Code Expertise
Each state and jurisdiction has unique code requirements. We stay current with local codes so your reports pass inspection the first time.
Built on Relationships
We work with local contractors, builders, and inspectors. We understand your market and your customers' expectations.