Professional Affiliations & Certifications
ACCA is a group of over 4,000 air conditioning contractors who work together to improve our industry, promote good practices, and keep homes and buildings safe, clean and comfortable. ACCA is the largest association of HVACR contractors and the preferred service provider for members in all 50 states and worldwide.
Headquartered in Arlington, VA, NATE was founded in 1997 as the nation’s largest non-profit certification organization for heating, ventilation, air conditioning and refrigeration technicians. NATE tests technicians while others train. Testing validates the technician’s knowledge.
Doornbos is a N.A.T.E. Quality Circle Contractor
BPI is an independent, not-for-profit leading developer of technical standards for home performance and weatherization retrofit work that are recognized across North America. From these standards, BPI has developed training programs, professional credentialing for individuals and company accreditations — including quality assurance programs — that help raise the bar in home performance contracting.
Comfort Institute, Inc. (CI) is an international indoor comfort research, training and consumer protection organization based in Bellingham, Washington with trainers and offices located throughout the United States and Canada.
Doornbos Heating and Air Conditioning proudly provides HVAC service to Frankfort, Homer Glen, Mokena, Mount Greenwood, Oak Lawn, Orland Park, Palos Heights, Palos Park, Tinley Park, and the surrounding communities. Visit our service area page for more coverage details, call us at 708-423-9580, or request service online today.