Business Details
16 Years
experience
Emergency
services
Trusted HVAC Installation, Repair & Maintenance in Dawsonville, GA
Founded in 2010, Duncan Heating and Air Services is a family-owned business dedicated to providing comprehensive HVAC solutions in North Georgia. Our team combines decades of industry experience with a commitment to personalized service, treating every client with the honesty and respect we value in our own lives. Specializing in Trane and Daikin systems, we offer installation, repair, and maintenance services for residential heating and cooling needs. Our preventative maintenance programs ensure long-term system efficiency while our emergency repair services address urgent comfort concerns.With a focus on building lasting relationships, we prioritize customer satisfaction through transparent communication and fair pricing. Our family extends beyond immediate members to include dedicated employees who share our core values. By maintaining rigorous technical expertise and adhering to ethical business practices, we've established ourselves as a trusted local authority in HVAC services. Our 15-year track record demonstrates our ability to consistently deliver reliable solutions tailored to individual client requirements.
Services
HVAC Installation
Air Conditioner Repair
Furnace Maintenance
Duct Cleaning
Preventative Maintenance
Details
- Year established: 2010
Highlights and features
- Family-owned business with 15 years of local service experience
- 24/7 emergency repair services available for urgent needs
- Certified technicians specializing in Trane and Daikin systems
- Comprehensive preventative maintenance programs for system longevity
- Transparent pricing with no unnecessary replacement recommendations
What people say
Fast response
Knowledgeable service
Fair price
Personable technicians
Reliable solutions
Services
Air Conditioning Installation
We help homeowners select properly sized HVAC systems with appropriate SEER ratings for optimal energy efficiency. Our installation process ensures correct equipment sizing and ductwork configuration to maximize cooling performance while minimizing energy costs. Specializing in Trane and Daikin systems, we provide expert installation services that maintain manufacturer warranties and meet local building codes.
Air Conditioner Repair
Our certified technicians diagnose and repair all brands of air conditioning systems. We prioritize system efficiency through comprehensive inspections that identify refrigerant levels, electrical connections, and component wear. Emergency repair services address urgent cooling failures while preventative diagnostics help avoid unexpected breakdowns during peak summer months.
Duct Work Installation
We design and install duct systems matched to your home's specific heating and cooling requirements. Our process includes proper sizing calculations, material selection with R-6+ insulation, and pressure balancing to ensure even temperature distribution. We also provide duct sealing services that eliminate energy losses from leaks in existing systems.
Furnace Inspection
Our furnace maintenance program includes comprehensive component inspections and performance optimizations. Technicians check heat exchangers, burners, ignition systems, and safety controls to ensure safe winter operation. Regular maintenance extends equipment lifespan, improves energy efficiency, and reduces the risk of carbon monoxide leaks from aging systems.
Preventative Maintenance
Our Comfort Program provides seasonal HVAC maintenance with specific checks for cooling systems in spring and heating systems in fall. Services include thermostat calibration, electrical connection tightening, component lubrication, and airflow optimization. Regular maintenance improves system reliability, reduces energy consumption, and helps identify potential issues before they become major failures.
People
Cole Duncan
Owner
Third-generation HVAC professional leading daily operations. Holds technical certifications for all major equipment brands. Focuses on maintaining family business values while implementing modern service standards. Directly oversees technician training and quality control.
Raymond Duncan
Founder
Established the company in 2010 with extensive research and development background. Provides strategic guidance based on decades of industry experience. Maintains active involvement in complex system diagnostics and technical problem-solving for challenging installations.
Cathy Duncan
Operations Manager
Manages administrative operations and customer service functions. Coordinates scheduling and logistics to ensure timely service delivery. Serves as primary contact for client communications and maintains quality assurance protocols for service completion.
Derek Duncan
Service Technician
Certified HVAC technician with specialized training in system diagnostics. Handles complex repair cases and emergency service calls. Maintains technical certifications for all major equipment brands and implements best practices for energy efficiency improvements.
Spencer Duncan
Installation Specialist
Lead installer for new HVAC systems with expertise in proper equipment sizing and ductwork configuration. Ensures installations meet manufacturer specifications and local building codes. Provides technical guidance to clients regarding system selection and performance expectations.
Questions
How do I know if my AC needs repair or replacement?
Our technicians evaluate system age, repair history, and efficiency metrics to recommend cost-effective solutions. We never suggest replacements unless necessary.
What areas do you service?
We serve Dawsonville, Cumming, Gainesville, Dahlonega, Alpharetta, and Johns Creek in North Georgia.
Do you offer emergency HVAC services?
Yes, we provide 24/7 emergency repair services for urgent heating and cooling system failures.
What maintenance programs are available?
Our Preventive Maintenance Comfort Program includes seasonal inspections with specific checks for optimal system performance year-round.
Can you service all HVAC brands?
We service and repair all major HVAC brands, with specialized expertise in Trane and Daikin systems.