Certified Training.
Proven Experience.

Hasco brings advanced certifications in HVAC, building performance, HERS testing, indoor air quality, combustion safety, and light commercial refrigeration. We do more than install and repair systems. We test, verify, and help make sure the work is done right.

Our Certifications and Credentials

Hasco holds certifications across HVAC, building science, safety, and performance testing.

Training You Can Trust

⦿ Building Performance and Building Science

🔧 Light Commercial and Residential Air Balancing
🔧 Light Commercial and Residential HVAC System Performance
🔧 Duct System Optimization
🔧 Carbon Monoxide and Combustion Analysis
🔧 Refrigerant Performance
🔧 Certified Economizer Specialist

⦿ National Comfort Institute Certifications

🔧 Light Commercial and Residential Air Balancing
🔧 Light Commercial and Residential HVAC System Performance
🔧 Duct System Optimization
🔧 Carbon Monoxide and Combustion Analysis
🔧 Refrigerant Performance
🔧 Certified Economizer Specialist

⦿ HERS Rater Certifications

🔧 CHEERS HERS Rater Certified
🔧 CalCerts HERS Rater Certified

⦿ NATE Certifications

🔧 NATE Certifications
🔧 Service and Install Heat Pump
🔧 Service and Install Air Conditioning
🔧 Service and Install Gas Heating
🔧 Service and Install Air Distribution
🔧 Service and Install Light Commercial Refrigeration

⦿ Testing, Safety, and Technical Credentials

🔧 RSES Membership
🔧 EPA 608
🔧 RSES Acceptance Test Technician
🔧 Acceptance Test Employer Forms
02, 03, 04, 05, 06, 07, 08, 09, 10, 12
🔧 Certified Technical Educator, HVAC Excellence
🔧 EPA RRP Renovator
🔧 OSHA 10
🔧 Radon Certification

Our certifications reflect years of training across system performance, testing, safety, energy efficiency, and indoor air quality. When you hire Hasco, you get more than service. You get trained experience backed by real credentials.

Licensed. Certified. Proven. Since 1983.

HASCO Heating & Air Conditioning, brings advanced training and verified credentials in HVAC, building performance, HERS testing, air balancing, indoor air quality, and safety. We do more than install and repair. We test, verify, and help get the job done right.

Our Certifications and Credentials

HASCO holds certifications across multiple areas of HVAC, building science, safety, and performance testing and worry-free.

Building Performance and Building Science

* Building Performance and Building Science.

* Accordion Content BPI Building Performance Institute, Building Analyst ID 5053952 Certified in 2015
* Total Building Performance 2026
* Building Science Principles 2026

National Comfort Institute Certifications

* Light Commercial and Residential Air Balancing 2013
* Light Commercial and Residential HVAC System Performance 2013
* Duct System Optimization 2017
Refrigerant Performance 2019
* Certified Economizer Specialist 2023
* Carbon Monoxide and Combustion Analyst 2018

HERS Rater Certifications

* CHEERS HERS Rater Certified ID RCN10050 2013
* CalCerts HERS Rater Certified ID CC2005475 2006

NATE Certifications

* Service and Install Air Conditioning 2014
* Service and Install Gas Heating 2015
* Service and Install Air Distribution 2015
* Service and Install Light Commercial Refrigeration 2019

Because we are a fully licensed and certified contractor, you can trust that every service is done to the highest industry standards — safely, efficiently, and built to last.

Helping You Save with Rebates & Energy Efficiency

At HASCO, we believe comfort shouldn’t come with unnecessary costs. That’s why we stay up-to-date on the latest rebates, incentives, and energy-saving programs offered by local cities and utility providers. By choosing energy-efficient systems and working with our rebate experts, our customers often save hundreds — even thousands — of dollars on upgrades and monthly bills.