G&J HVAC Design

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Halethorpe, MD 21227

+1 (443) 757-2715

History

G&J HVAC Design LLC has only officially been open since 2018 but we have worked in the HVAC Design industry doing Manual J's and Manual D Duct Design for over 8 years. We have grown with the times and continued to be successful at assisting Home Owners get their HVAC system designed to allow Mechanical Contractors to put in a correctly sized and efficient unit.

Specialties

Manual J's, Manual D Duct Design. We are NOT HVAC Contractors, we assist Contractors and homeowners in getting their Residential HVAC Design done and through the Counties. We Design in the DC, Maryland and Virginia area including Manual J's, Manual D's and Manual S. We specialize in getting Residential Mechanical Design done in counties such as Fairfax, Prince William, Arlington, Loudon, Montgomery, Bethesda, Howard, Baltimore, Washington DC and more. Are price normally is $250 per system for a Manual J and Manual D Duct Design. If you only need the Manual J and NO Duct Design then the price is $150 per system. Shoot us an email or give us a call to see if we can assist you.

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