Evaluation of an air conditioning and heating contractor requires work. Homeowners should identify and select companies based on their reputation and expertise. To understand a company’s experience and knowledge, ask the company to provide certifications in technical expertise, business practices and customer service. This will ensure that you have selected a contractor that meets the highest standards in the industry.

Trane DealerTrane Comfort Specialist

This means that Casteel is an independent Trane dealer of the highest standing - a dealer who is committed to excellence in every aspect of his business, from installation and service, to customer satisfaction and employee training.

Nest Pro InstallerNest Pro Elite Installer

As a Nest Pro Elite Installer, Casteel has received product specific training from Nest to ensure the highest quality of work when installing a Nest Thermostat, Nest Protect, and Nest Cameras.

accaACCA Member

Air Conditioning Contractors of America (ACCA) is a nationwide association of superior heating, ventilation, air conditioning and refrigeration companies.

AffiliationsComfort Institute Member

Comfort Institute is an international indoor comfort research, training and consumer protection organization. Comfort Institute members have advanced training and instruments to conduct diagnostic performance testing on the duct system and the thermal envelope of the home. CI members go beyond just looking at the equipment; they can identify all comfort issues (i.e. hot and cold spots, humidity, dusty homes, high utility bills etc..)

AffiliationsNate Certified Technicians

The North American Technician Excellence (N.A.T.E) is a national non-profit certification and training organization that certifies only those technicians and installers who achieve mastery in the heating, ventilation and air conditioning industry.

AffiliationsBuilding Performance Institute Certified

The Building Performance Institute, Inc. (BPI) is the nation's premier standards development and credentialing organization for residential energy efficiency retrofit work.