Business Details
46 Years
experience
Emergency
services
Trusted HVAC Contractors Serving Southern California
Hillside Heating & Air Conditioning has been serving Southern California for over 43 years, specializing in comprehensive HVAC solutions for residential and commercial clients. Our expertise spans light commercial retrofit installations, preventative maintenance, and emergency repair services, ensuring optimal system performance year-round. We prioritize organizational excellence in budgeting, task prioritization, and record-keeping to deliver cost-effective, reliable service. Our NATE-certified technicians and IHACI membership reflect our commitment to industry-leading standards. With a focus on customer satisfaction, we offer customizable maintenance plans, 24/7 emergency support, and priority service during peak demand periods.Our 6-Point Maintenance System minimizes costs while maintaining comfort, supported by detailed equipment logs and annual operating reports. We serve Riverside, Orange, San Bernardino, San Diego, and Los Angeles counties, providing tailored solutions for homes and businesses of all sizes. Our team collaborates with engineers and contractors to design, install, and maintain HVAC systems for projects ranging from small repairs to large-scale expansions. Transparency and integrity guide our flat-rate bidding process, ensuring no unnecessary repairs are recommended. For over four decades, we have built trust through consistent, high-quality service that prioritizes client needs.
Services
HVAC Installation
Preventative Maintenance
Emergency Repairs
Commercial HVAC Services
Residential HVAC Systems
Equipment Diagnostics
System Upgrades
Ductwork Repair
Zoning Solutions
Annual Inspections
Details
- Year established: 1980
Highlights and features
- 43 years of specialized HVAC experience in Southern California
- NATE-certified technicians ensure industry-leading expertise
- 6-Point Maintenance System reduces long-term costs
- 24/7 emergency service for urgent heating/cooling needs
- Serving 5 Southern California counties with local expertise
Associations and certifications
- NATE Certified Technicians
- IHACI (The Institute of Heating & Air Conditioning Industries, Inc.)
Services
HVAC Installation
We design and install energy-efficient heating and cooling systems for residential and commercial properties. Our team handles complex retrofits, tenant improvements, and new constructions. With partnerships across Southern California, we ensure seamless integration of equipment, ductwork, and smart controls for optimal performance.
Preventative Maintenance
Our 6-Point Maintenance System includes quarterly cleanings, equipment diagnostics, and performance tracking. Technicians use digital gauges to measure static pressure, refrigerant levels, and electrical readings. Annual reports help prioritize repairs and budget for replacements while preventing unexpected breakdowns.
Emergency Repairs
We provide urgent HVAC repairs for residential and commercial clients during peak demand periods. Our priority service ensures rapid response times for critical system failures. Technicians carry essential parts to resolve common issues immediately, minimizing downtime and discomfort.
Commercial HVAC Services
Specializing in light commercial installations and retrofit projects, we offer predictive maintenance packages with technical readings. Our team collaborates with engineers to manage large-scale projects from design to warranty. Customizable service agreements include equipment inventory and priority scheduling during emergencies.
Residential HVAC Systems
We install and service heating and cooling systems for homes of all sizes. Our preventative maintenance contracts include seasonal inspections to ensure efficient operation. Technicians provide flat-rate bids for repairs without commission incentives, guaranteeing honest recommendations for system upgrades or replacements.
Questions
What HVAC services do you offer for residential customers?
We provide complete residential HVAC solutions including system installation, emergency repairs, and preventative maintenance. Our technicians specialize in energy-efficient systems and seasonal inspections to ensure optimal home comfort.
Do you offer 24/7 emergency HVAC service?
Yes, we provide 24/7 emergency service for urgent heating and cooling issues. Our priority scheduling ensures faster response times during peak demand periods when system failures are most critical.
What commercial HVAC services are available?
We offer commercial retrofit installations, predictive maintenance packages, and complete system design/build solutions. Our services include equipment inventory management, quarterly cleanings, and priority service agreements for businesses.
How does your preventative maintenance program work?
Our 6-Point Maintenance System includes quarterly visits with equipment diagnostics, filter replacements, and performance tracking. Annual reports with digital readings help identify potential issues and plan budget-friendly replacements.
Which areas do you serve in Southern California?
We serve Riverside, Orange, San Bernardino, San Diego, and Los Angeles counties. Our service area includes both residential neighborhoods and commercial districts across Southern California.
Are your technicians certified?
All our technicians are NATE-certified, ensuring industry-recognized expertise. We maintain membership with IHACI (Institute of Heating & Air Conditioning Industries) to stay current with best practices and technological advancements.
