Free Air Scrubber Plus with the purchase of a new high-efficiency system*

Expert HVAC Services, AC Repair, AC Installation, Furnace Repair & HVAC Maintenance in Modesto, Stockton, Tracy, Denair, Turlock, CA & Surrounding Areas
If you’re looking for a reliable heating and air conditioning contractor in Denair, Manteca, Modesto, Stockton, Tracy, Turlock, CA, or the surrounding areas, look no further. Dycus Heating and Air Conditioning, Inc. offers a variety of HVAC repair, installation, and maintenance services to keep your home or small business comfortable throughout the year.
Expertise You Can Count On
We always strive to go above and beyond your expectations. Much of our work comes from customer referrals, and we take great pride in that. Our experts practice the utmost integrity and honesty whenever we service or install equipment. We don’t overcharge our clients or try to sell them products they don’t need. We’ll always do our best to schedule your service as soon as possible and accommodate you in a timely and efficient manner.
With an extensive knowledge of heating, AC, and indoor air quality equipment, our professionals will be able to provide you with the most efficient, cost-effective solutions and systems. In addition to our other HVAC services, we also offer new thermostats, radiant heat flooring, Unico high-velocity systems, and a full fabrication shop for custom metalwork. Call today to schedule your repair, routine maintenance, or system installation appointment.
Prompt heating and air conditioning repair
Complete heating and cooling system installation
AC Services
We offer AC installation options from top brands like Trane. At Dycus Heating and Air Conditioning Inc., we’ll help you find a system that fits your budget. We offer effective HVAC repair and preventive maintenance service to keep your system running properly for the duration of its life.
Heating Services
Our NATE-certified technicians perform HVAC repair and preventive maintenance services for all makes and models of equipment. No matter your heating needs, our talented and highly-trained technicians will be able to repair, service, or install your system.
Ductless HVAC
Ductless HVAC can be a great solution for remodels, additions, conversions, and even the entire home. Contact our experts for all your ductless heating and air conditioning repair, installation, and maintenance services.
Indoor Air Quality
Our experts have the tools and knowledge you need to improve your home’s air quality. We proudly offer and install solutions like humidifiers, ventilators, and air purifying systems, and we’ll be happy to help you come up with a plan of action.
Light Commercial Air Conditioning Contractor
We know how important keeping your business up and running is. HVAC problems can quickly throw a wrench in that. We’re proud to offer value-oriented light commercial HVAC services, from installs and preventive maintenance to lasting heating and air conditioning repairs.
Why Choose Us
Family-owned and operated air conditioning contractor since 2001
We provide a wide range high-quality HVAC products and services
Emphasis on customer satisfaction, honesty, availability, and knowledge
Answering service available for emergencies
5-year craftsmanship warranty on every job we perform
No deductible/no parts 5-year labor warranty on new system installs

Read Our Latest Reviews
The guys did a great job in a timely manor. We couldn’t be more happy with the outcome of our system. Thanks for the great work and professionalism of your crew!
- K. Spence
Every time they come to my home the technicians are on time and professional. Scheduling on the phone is easy as well. I would recommend Dycus Heating & Air.
- Lisa D.
I was very happy with the service provided and would recommend them to anyone. Project was done quickly and the finished product is great.
- Kalem S.


