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38 Years
experience
Emergency
services
Trusted HVAC Solutions for Commercial & Industrial Buildings
Dahme Heating & Air Conditioning has been a family-owned and operated mechanical contracting company serving Simi Valley and Los Angeles County for over 35 years. Our team specializes in commercial HVAC solutions, including new construction, equipment retrofits, and tenant improvements for commercial, industrial, and high-rise buildings. We provide comprehensive in-house design services with Title 24 engineering reports, CAD drawings, and project submittals for permits. As Carrier-certified controls experts, we offer DDC control systems and HVAC equipment from leading manufacturers like York, Trane, and Daikin.

Our dedicated service department operates 24/7 to address emergencies, while planned maintenance agreements protect clients' investments. With a focus on quality and reliability, we combine technical expertise with personalized service to meet diverse client needs. Our skilled technicians ensure systems operate efficiently, supporting businesses of all sizes through tailored solutions. This commitment to excellence has established us as a trusted partner in HVAC services for over three decades.
Services
New Commercial Construction Tenant Improvements Equipment Replacement DDC Controls Service Planned Maintenance Agreements
Details
  • Year established: 1988
Highlights and features
  • 35+ years of experience in commercial HVAC contracting
  • 24/7 emergency service available year-round
  • Carrier-certified controls experts for DDC systems
  • Full in-house design and engineering capabilities
  • Dedicated service department for urgent repairs
Associations and certifications
  • Carrier Certified Controls Experts
Services
New Commercial Construction
We design and install complete HVAC systems for new commercial buildings. Our team handles projects from initial engineering through final commissioning. With in-house CAD capabilities and Title 24 compliance expertise, we deliver energy-efficient solutions tailored to each facility's unique requirements. This service ensures optimal climate control for businesses of all sizes.
DDC Controls Service
As Carrier-certified controls experts, we specialize in DDC (Direct Digital Control) systems for commercial HVAC. Our technicians install, maintain, and repair networked control systems that optimize energy usage and system performance. This service provides building managers with precise environmental control and operational efficiency for modern facilities.
Planned Maintenance Agreements
Our preventive maintenance programs protect HVAC investments through regular system inspections and servicing. These agreements help prevent unexpected breakdowns and extend equipment lifespan. With customizable service schedules and priority emergency response, this service ensures continuous system reliability for commercial operations.
24/7 Emergency Service
We provide round-the-clock emergency repair services for critical HVAC failures. Our rapid-response team is available 365 days a year to address urgent heating and cooling issues. This service minimizes business disruptions by restoring climate control systems quickly during unexpected equipment malfunctions.
Tenant Improvements
We specialize in HVAC modifications for commercial tenant build-outs. Our team coordinates system upgrades with construction schedules to minimize business interruptions. This service includes custom ductwork, zoning systems, and energy-efficient equipment installations to meet specific tenant requirements while maintaining building code compliance.
Questions
Do you offer emergency HVAC services after hours?
Yes, we provide 24/7 emergency service for critical HVAC failures with technicians available 365 days a year.
What areas do you serve for commercial HVAC projects?
We primarily serve Los Angeles County and surrounding areas for all commercial HVAC installation, maintenance, and repair needs.
Are your technicians certified for specialized HVAC systems?
Yes, we are Carrier-certified controls experts with specialized training for DDC control systems and other advanced HVAC technologies.
Can you handle both new construction and retrofit projects?
We specialize in both new commercial HVAC construction and system retrofits, including tenant improvements and equipment upgrades.
Do you provide preventive maintenance programs for commercial systems?
Yes, we offer customized planned service agreements with regular maintenance visits to protect your HVAC investment and prevent unexpected breakdowns.