Business Details
16 Years
experience
Emergency
services
Trusted HVAC Contractors in Dawsonville, GA
Founded in 2010, Duncan Heating and Air Services is a family-owned business built on integrity, expertise, and a commitment to exceptional customer service. Our team, led by generations of HVAC professionals, specializes in air conditioning installation, furnace repair, ductwork solutions, and preventative maintenance across North Georgia. With deep roots in Dawsonville and surrounding communities, we prioritize honesty, transparency, and treating every client like family.Our mission is to deliver reliable heating and cooling solutions while fostering long-term trust through personalized service and technical excellence. Backed by 15 years of experience and a dedication to continuous improvement, we ensure every project meets the highest standards of quality and efficiency.
Services
Air Conditioning Installation
Air Conditioner Repair
Duct Work Installation
Furnace Inspection
Preventive Maintenance
Duct Sealing
Emergency Repairs
System Diagnostics
Details
- Year established: 2010
Highlights and features
- We offer 15+ years of family-led HVAC expertise in North Georgia
- Our team provides honest recommendations without unnecessary repairs
- Specialized installation of energy-efficient Trane and Daikin systems
- We guarantee prompt, reliable service with upfront pricing
- Comprehensive preventative maintenance programs extend system longevity
What people say
Fast response
Personable service
Knowledgeable technicians
Fair pricing
Reliable repairs
Services
Air Conditioning Installation
We provide expert air conditioning installation services tailored to your home's specific needs. Our technicians help select the optimal system size and SEER rating to maximize energy efficiency and comfort. All installations include comprehensive system checks and manufacturer warranty registration for long-term reliability.
Preventive Maintenance
Our Preventive Maintenance Comfort Program includes seasonal inspections of heating and cooling components. Technicians perform detailed checks of thermostats, blowers, heat exchangers, and electrical systems to ensure peak performance. Regular maintenance extends equipment lifespan and reduces energy costs through optimized operation.
Duct Sealing
We offer complete ductwork inspection and sealing services to eliminate energy loss. Our process includes identifying leaks in attics, crawl spaces, and basements, repairing damaged ducts, and applying mastic sealant to critical connections. Properly sealed ducts improve indoor air quality and HVAC efficiency by up to 20%.
Furnace Inspection
Our furnace inspection service covers critical components including heat exchangers, gas valves, and ignition systems. Technicians test safety controls, clean burners, and verify proper venting to ensure safe winter operation. Regular inspections prevent unexpected breakdowns and maintain manufacturer warranty requirements.
Emergency Repairs
We provide urgent HVAC repair services for system failures during extreme weather. Our technicians diagnose issues with compressors, thermostats, and electrical components to restore comfort quickly. Emergency service includes priority scheduling and transparent pricing with no overtime charges.
People
Cole Duncan
Owner
Cole Duncan leads the family business with 15+ years of HVAC experience. He oversees daily operations and customer service, maintaining the company's founding principles of honesty and technical excellence. Cole ensures every project meets strict quality standards while building lasting client relationships through transparent communication.
Questions
What HVAC services do you offer?
We provide air conditioning installation, furnace repair, ductwork services, preventative maintenance, and emergency HVAC repairs for residential clients in North Georgia.
Do you service all HVAC brands?
Yes, we service and repair all major HVAC brands while specializing in Trane and Daikin systems for optimal performance and longevity.
What areas do you serve?
We serve Dawsonville, Cumming, Gainesville, Dahlonega, Alpharetta, and Johns Creek in North Georgia with prompt HVAC solutions.
Are financing options available?
Yes, we offer financing options for HVAC system replacements and major repairs to help customers manage home comfort investments.
How often should HVAC maintenance be performed?
We recommend bi-annual maintenance (spring and fall) to ensure optimal performance and extend system lifespan through comprehensive inspections.
Do you offer emergency HVAC service?
Yes, we provide emergency repair services for urgent HVAC failures with prompt response during regular business hours.
Reviews (4)
Julia Johnson
Nov 07, 2021
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I am very happy with my clean ducts! The men who cleaned them were right on time, answered all of my questions, and completed the job quickly. I highly recommend this company.
Berry Bennett
Oct 30, 2021
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Positive:Professionalism,Punctuality,Quality,Responsiveness,Value
Great service, very professional. Will definitely use again and recommend to everyone needing ducts cleaned.
Service:Duct and vent cleaning
Great service, very professional. Will definitely use again and recommend to everyone needing ducts cleaned.
Service:Duct and vent cleaning
Donnie Ford
Oct 18, 2021
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Positive:Professionalism,Punctuality,Quality,Responsiveness,Value
Nick and Jeff serviced my central heating system today. Very glad to find a company that puts their customers first. Thanks! Look forward to many years using this local company. Thanks for all you do!
Nick and Jeff serviced my central heating system today. Very glad to find a company that puts their customers first. Thanks! Look forward to many years using this local company. Thanks for all you do!
Fullsizecandybars
Oct 15, 2021
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Positive:Professionalism,Punctuality,Quality,Responsiveness,Value
These guys are amazing. Holy cow. Great service isnt dead it just moved to north georgia. Cole was amazing! Thank you!
Services:HVAC maintenance,Heating system repair
These guys are amazing. Holy cow. Great service isnt dead it just moved to north georgia. Cole was amazing! Thank you!
Services:HVAC maintenance,Heating system repair
