Reliable Climate Control for Your Business

Commercial HVAC Services

Your business depends on a comfortable, safe, and efficient environment. At Diamond Heating & Air Conditioning Inc, we provide professional commercial HVAC services designed to keep your operations running smoothly with minimal downtime.

With over 20 years of industry experience, we deliver dependable solutions, clean installations, and responsive service you can trust.

Our Residential HVAC Services Include

System Design & Installation

We design and install commercial HVAC systems tailored to your building’s size, layout, and usage needs.

• Rooftop package units
• Split systems
• Heat pump systems
• Multi-zone systems
• Ventilation systems
• Energy-efficient upgrades

Every system is properly sized and installed for optimal performance and efficiency.

Repairs & Diagnostics

HVAC issues can disrupt your business. Our team responds quickly to diagnose and resolve problems.

• Fast troubleshooting
• Reliable repairs
• Clear, honest recommendations
• Minimal disruption to your operations

Commercial HVAC Replacement

When your system reaches the end of its life, we provide smooth, professional replacements.

• Package unit replacements
• System upgrades
• Energy-efficient retrofits
• Code-compliant installations

We ensure your new system delivers reliable performance and lower operating costs.

Preventative Maintenance Plans

Routine maintenance helps prevent breakdowns and extends equipment life.

Benefits include:
✔ Reduced repair costs
✔ Improved energy efficiency
✔ Longer equipment lifespan
✔ Priority service scheduling
✔ Consistent system performance

Contact Us


Phone :
(818) 493-0941


Office Address :
2697 Lavery Ct, Unit 15
Newbury Park, CA 91320