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Home Builders, Architects, General Contractors, and Owners
throughout the United States entrust us with their projects.

Residential and Commercial Projects

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Manual J Calculations for Residential Projects

Most states of the US now require Manual-J load calculations be performed to properly calculate heating and cooling loads for new residential construction.
(See Section 403.6 of 2009 IECC and Section 1401.3 of 2009 IRC).

We are Certified by ACCA, which created Manual J, and sets the standards. 

Office building exterior

Manual N Calculations for Commercial Projects

Most states of the US now require Manual-N load calculations be performed to properly calculate heating and cooling loads for new commercial construction or new tenant fit-outs in existing commercial buildings.
(See Section 403.6 of 2009 IECC and Section 1401.3 of 2009 IRC).

We are Certified by ACCA, which created Manual N, and sets the standards.

Reasons to use MDA Design Consulting, LLC

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Over 24 years experience

We have more than 24 years experience preparing manual J (residential) and Manual N (commercial) load calculation reports.

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Very competitive pricing

Exceptionally competitive pricing that offers significant value for money. One revision included.

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We work with your architects

When necessary, we work with Architects and Designers creatively to satisfy the Building Dept. Energy Efficiency requirements.

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Independent Third Party

We are an independent third party firm that solely prepares load calculations, accountable directly and only to you, the client.

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Rush service available

Expedited service available for those needing quick and efficient solutions.

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Free phone consultation

Complimentary phone consultation to discuss your needs and provide expert advice.