- Welcome About HASCO Heating & Air Conditioning

At HASCO

Customers come first. We welcome your feedback and questions about our products, services, and company. Reach us fast. Call, email, visit, or start a chat on our site. Our team responds quickly.

At HASCO (Heating Air Conditioning Service Company), we’ve proudly served Riverside and the Inland Empire since 1983. Founded by Daryl Salmon and Sal Trujillo Sr., HASCO was built on a simple promise: honest, reliable, expert service that keeps customers comfortable and worry-free. Over the past 40+ years, HASCO has grown into a multi-faceted home services company offering far more than heating and cooling, with licensed and highly trained technicians specializing in a wide range of home comfort and performance services. The verified customer reviews below, collected through our P3 service platform, reflect the trust, professionalism, and long-term relationships we’ve built with homeowners and businesses throughout the Inland Empire.

Air Conditioning

Expert installation, repair, and maintenance for all cooling systems.

Heating

Energy-efficient solutions to keep homes warm all winter.

Water Heaters

Installation, leak repair, and maintenance for traditional and tankless systems.

Rain Gutters

Sales, installation, and protection solutions that safeguard your home.

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.