Commercial
Commercial HVAC Services in San Francisco, CA – Installation, Repair & Maintenance
Your heating and cooling system is vital to the comfort and productivity of your business, especially with San Francisco’s cool, damp coastal climate putting extra demand on commercial equipment. At Dennis's Heating & Cooling, we provide professional commercial HVAC installation, repair, maintenance, and replacement for retail stores, apartment buildings, offices, schools, churches, healthcare, restaurants, manufacturing, and other facilities throughout the San Francisco area. Regular service helps improve energy efficiency, prevent breakdowns, and extend system life, and when urgent issues arise, our licensed, bonded, family-owned team is available 24/7 for emergency HVAC service to keep your business running without interruption.
24/7 Emergency Commercial HVAC Repair
- Fast, Reliable Service Anytime
- Round-the-Clock Commercial Heating & Air Conditioning Repairs to Keep Your Business Running
- Emergency Commercial HVAC Repair & Service (for all neighborhoods in San Francisco, Daly City, Brisbane, South San Francisco, and San Mateo County)
Commercial HVAC Services in San Francisco
Types of commercial HVAC services we provide:
- Commercial HVAC Repair Services: We provide fast, reliable repairs for all makes and models of commercial air conditioning, heating, and ventilation systems to keep your business comfortable and operational.
- Commercial HVAC Maintenance & Inspection: Dennis's Heating & Cooling provides proactive routine scheduled maintenance programs, including changing air filters, cleaning coils, and checking refrigerant levels, as well as complete tune-ups and system upgrades for all makes and models, keeping your commercial heating and cooling running efficiently and reliably.
- Commercial HVAC Installation & Design: Expert design-build services and professional installation of all types of commercial HVAC systems from Carrier and Trane. We install rooftop units, high-efficiency furnaces, and heat pumps with optimal performance and energy efficiency.
- Commercial Air Quality Solutions: Improves indoor air with the latest technology of advanced filtration, enhanced ventilation, and humidity control for healthier, more comfortable work environments.
- Energy Efficiency Upgrades: We upgrade older commercial HVAC systems with the latest high-efficiency, energy-efficient equipment to reduce energy costs and improve overall system performance.
- System Retrofitting & Modernization: Our expert team will design and replace outdated heating and cooling equipment with modern, energy-efficient models to extend your existing system’s life and boost reliability.
- Professional Ductwork Services: Fabrication, repair, cleaning, and sealing of commercial ductwork to repair damage and ensure optimal airflow and HVAC efficiency.
Why Choose Us for Your HVAC Needs?
Reasons why business owners and property managers trust us:
- 24/7 Emergency Service: We provide 24/7 emergency commercial HVAC service in the San Francisco area. Our experienced technicians are on call day and night and ready to restore your system and minimize downtime.
- Expert Commercial HVAC Service for All Makes & Models: Our skilled technicians bring over 30 years of hands-on experience delivering reliable commercial HVAC repair, maintenance, and installation for businesses throughout San Francisco.
- Commercial HVAC Projects of Any Size: From routine tune-ups on a single unit to full installations of multiple rooftop HVAC systems for large buildings, Dennis's Heating & Cooling delivers dependable commercial heating and cooling services for businesses across San Francisco—no job is too big or too small.
- Extensive Commercial HVAC Experience: With over 30 years of hands-on industry expertise, Dennis's Heating & Cooling specializes in system analysis, maintenance, and optimization to keep your commercial heating and cooling running efficiently and reliably.
- San Francisco Commercial HVAC Expertise: We have extensive local knowledge and experience working in the city’s diverse neighborhoods and historic buildings, expertly repairing, servicing, and maintaining older HVAC systems while ensuring reliable performance for modern business needs.
- Energy-Efficient Commercial HVAC Solutions: Dennis's Heating & Cooling helps businesses and property managers lower energy costs with high-efficiency heating and cooling systems and customized maintenance plans designed for maximum performance and savings.
Over 30 Years of HVAC Experience!
Dennis's Heating & Cooling has over 30 years of experience serving business owners and managers. We are a trusted partner for commercial HVAC services throughout San Francisco, Brisbane, South San Francisco, and Daly City. We know that even a slight downtime or system failure can impact your business and its reputation, which is why our licensed team is available 24/7 for emergency service and repair. From basic repairs to full system maintenance and installation, our team will ensure your commercial heating and cooling systems run efficiently, keeping your workplace comfortable and operational at all times.