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HVAC Design Services

Comfort and efficiency are necessities when it comes to HVAC systems. Correctly sized HVAC units and register placement make for a more comfortable indoor environment, which is why it is so important that proper load calculations be done to ensure correct sizing and placement of your heating and cooling equipment.

Our Residential HVAC Design Package Includes
  • HVAC Duct layout and design showing duct sizes and airflow
  • Load Calculations done in accordance with Manual J
  • Duct sizing in accordance with Manual D
  • Equipment selection in accordance with Manual S
  • Heating and Cooling Building Analysis

We will need:

  • Floor plan (showing window, wall, and door dimensions)
  • Site plan (showing building orientation and building areas
  • Sections (showing insulation and ceiling heights)

Click below for an example of the design package you receive.

Price List
Single story home with one zone up to 3,000 sq. ft. - $250
Additional zones/stories - $100
Greater than 3,000 sq. ft. call or e-mail for quote


Our Commercial Design Services Include:
  • HVAC Duct layout and design showing duct sizes and airflow
  • Plumbing and draningage design
  • Kitchen hood sizing
  • Load Calculations done in accordance with Manual N
  • Heating and Cooling Building Analysis

Price List
Call or e-mail for quote



Timothy Carstairs, CEA, HERS, GPR

2238 Bayview Heights Drive, Suite E
Los Osos, CA 93402