At G&J we offer Manual J and Manual D's in the Maryland, DC and Virginia area primarily but. I have over 8 years of experience in the residential HVAC Design industry. G&J has been doing work all around the DMV and even designing as far North as New York, and as far West as California. Our prices are $250 per system for the Manual J and Manual D duct design. If you only need the Manual J without the duct design it is $150 per system. Our designer has taken multiple training courses with Wrightsoft, and also completed ACCA training. If you would like assistance please contact we at firstname.lastname@example.org, if you need to get on the phone with us just send over an email with your information and we will call you within 24 hours in most cases. We look forward to working with you.
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