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25 Years
experience
Emergency
services
Your Trusted HVAC Partner in Modesto, CA
Dycus Heating & Air Conditioning has been a trusted provider of HVAC solutions in the Central Valley since 2001. Founded by Dave Dycus, whose 30-year career in climate control systems laid the foundation for our commitment to quality and customer-centric service, we specialize in residential and commercial HVAC installation, repair, and maintenance. Our NATE-certified technicians deliver cutting-edge solutions, including ductless systems, heat pumps, and indoor air quality improvements, backed by 24/7 emergency support.

As a family-owned business, we prioritize integrity, transparency, and long-term relationships, ensuring fair pricing, upfront estimates, and warranties on all work. With over two decades of local expertise, we remain dedicated to advancing our training and techniques to meet evolving industry standards, solidifying our reputation as a leader in HVAC excellence.
Services
AC Repair AC Installation Heating Repair Heating Installation Residential HVAC Ductless HVAC Heat Pumps Water Heaters Indoor Air Quality Commercial HVAC
Details
  • Year established: 2001
Highlights and features
  • We offer 24/7 emergency HVAC services for urgent needs.
  • Our team includes NATE-certified technicians with over 30 years of combined experience.
  • We provide upfront pricing and warranties on all our work.
  • We specialize in energy-efficient ductless HVAC and heat pump systems.
  • Our family-owned business prioritizes integrity and long-term customer relationships.
Associations and certifications
  • North American Technician Excellence (NATE)
What people say
Great guys with experience Thorough and honest Friendly and quick service Efficient install team Knowledgeable staff
Services
AC Repair
Our NATE-certified technicians provide prompt and efficient AC repair services for all makes and models. We diagnose and resolve issues like refrigerant leaks, compressor failures, and thermostat malfunctions to restore cooling comfort. With 24/7 emergency availability, we minimize downtime for residential and commercial clients.
Heating Installation
We design and install high-efficiency heating systems tailored to your property's needs. Our services include furnace, heat pump, and boiler installations with options for smart thermostats and zoning systems. We ensure proper sizing and SEER-rated equipment to maximize energy savings and long-term performance for homes and businesses.
Ductless HVAC
Our ductless HVAC solutions offer zoned temperature control for spaces without existing ductwork. We install mini-split and multi-split systems with sleek indoor units and efficient outdoor compressors. Ideal for additions, garages, or retrofitting older homes, these systems provide year-round comfort with minimal structural impact.
Indoor Air Quality
We improve indoor air quality with advanced filtration, UV light systems, and ventilation solutions. Our services address allergens, mold, and pollutants in residential and commercial environments. We install HEPA filters, energy recovery ventilators, and humidity control systems to create healthier living and working spaces.
Commercial HVAC
We provide comprehensive HVAC solutions for light commercial and industrial clients, including system design, installation, and preventive maintenance. Our team handles rooftop units, VRF systems, and large-scale heat pumps with 24/7 emergency support. We prioritize energy efficiency and uptime for retail, office, and manufacturing spaces.
Questions
What HVAC services do you offer for residential clients?
We provide AC and heating installation, repair, and maintenance, including ductless systems, heat pumps, and indoor air quality solutions for homes.
Do you offer emergency HVAC services?
Yes, we provide 24/7 emergency service for urgent heating and cooling issues.
Are financing options available for HVAC installations?
Yes, we offer financing plans to help manage the cost of new HVAC systems.
What rebates or discounts do you currently offer?
We have rebates for high-efficiency systems, including free air scrubbers and Wi-Fi thermostats with qualifying purchases.
How can I schedule an HVAC service appointment?
Call us at (209) 544-8072 or request an estimate online to book a service visit.