Learn how to find a licensed contractor to properly install your Heating, Ventilating and Air Conditioning (HVAC) system.

Proper Installation

Proper installation of a heating, ventilating and air conditioning (HVAC) system is crucial to having it perform well and operate cost efficiently.

Improper HVAC installation can reduce the efficiency and capacity of your heating system – using more natural gas and making your system work harder than it should.

Common installation problems include:

  • Improper system sizing
  • Improper air flow
  • Duct leakage

Selecting a Contractor

To increase the likelihood that your system will be properly installed and will work efficiently, quietly and safely, make sure to hire a licensed contractor who obtains the required building permit and has knowledge of, and complies with, local codes, ordinances and the requirements of the Building Energy-Efficiency Standards (State Administrative Code, Title 24, Part 6).

Licensed contractors generally meet these standards:

  • Have a minimum of four full years of experience performing the trade
  • Have taken and passed a law and trade exam
  • Are required to have a contractors' bond
  • Have been the subject of a background check
  • Are regulated by the Contractors State License Board

Installers who perform contracting work without a license have avoided these quality assurance requirements and may be in violation of the law.

Quality Assurance

A building permit issued by a local authority may be required for HVAC installations and modifications including, but not limited to, the following:

  • New HVAC installation
  • HVAC change out/remodel/replacement including the air handler, coil, furnace or condenser
  • Relocation of an existing HVAC unit
  • Removal of an HVAC unit or system
  • Adding ducting

A Building Inspector may perform a quality assurance check to ensure that:

  • The system is installed to comply with all applicable state and county or city codes
  • The work specified under the permit has been performed properly
  • Required compliance documents have been submitted