Contact HASCO
Contact us
Have questions or need service? Contact us anytime. our team is ready to help with fast and reliable support.
Location
3015 Durahart St. Riverside, CA 92507
Phone:
951-682-3336
Fax
951-788-7653
service@hascoac.com
3015 Durahart St.
Riverside, CA 92507
📞 Phone: 951-682-3336
📠 Fax: 951-788-7653
📧 Email: service@hascoac.com
🕒 Business Hours
Monday to Friday
8 AM to 5 PM PST
🚨 24-hour emergency service available
Licensed. Certified. Proven. Since 1983.
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.
* 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.
Why Choose HASCO?
Experience You Can Count On
Serving Riverside since 1983.
Licensed & Certified
Professional, dependable, and code-compliant service.
Full-Service Solutions
HVAC, water heaters, heat pumps, and rain gutters under one roof.
Energy Savings
We help maximize rebates and lower long-term costs.
24/7 Emergency Service
Day or night, weekends or holidays, we’re here when you need us most.
Customer Care
We treat every client like family.
Our Location
Brands we work with
- Quality heating & air conditioning solutions
Brands we work with
