Massachusetts and New Hampshire require a Manual J load calculation for obtaining an HVAC permit. This ensures that HVAC systems are designed and sized correctly, ultimately leading to greater efficiency, comfort and customer satisfaction.

As a trusted service provider, we offer load calculations to ensure our customers receive the best possible results. We operate on a first-come, first-served basis and aim to deliver results within 48 hours.

To guarantee timely completion, we ask that you provide us with advance notice. We are also pleased to offer load calculation services for larger projects to meet your needs.

 

Calculation Fees (Note: All materials must be purchased from API/Delta T.)

Manual J + Manual S                          $50

Manual J + Manual S + Manual D      $100

Long J (full report)                              $250

Expedite fee                                       $100 (This service might not be always available.)

Commercial Manual-N                       Fee based on project size

 

These fee-based services will be billed to your account as a separate item. We will include your PO number on the invoice. If no PO number is provided, we will invoice you under the job name or address you provide.

If you have questions or want to learn more about these services, call us at (603) 668-7810 or estimating@apiofnh.com.