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23 Years
experience
Emergency
services
Your Trusted HVAC Partner in Lilburn, GA
Gill Heating & Air Conditioning was founded in 2003 by Gurtej Gill, a seasoned professional with extensive expertise in refrigeration, heating, and air conditioning. Our company was established to provide genuine quality service rooted in the specialized knowledge of master tradespeople, distinguishing ourselves in an industry increasingly focused on volume over value. We prioritize customer relationships through professionally trained technicians who undergo rigorous background checks and drug testing, ensuring courteous and reliable service. Our commitment to customer satisfaction is underscored by a satisfaction guarantee, with a focus on preventive maintenance and energy-efficient solutions to reduce utility bills.

We serve the Metro Atlanta area, offering 24/7 emergency availability and personalized service for all heating, ventilation, and air conditioning needs. Our team emphasizes transparency, fair pricing, and clear communication, positioning ourselves as a trusted partner for residential HVAC solutions. With over two decades of operational history, we combine technical proficiency with a dedication to community-based service, maintaining a strong reputation through consistent, high-quality workmanship.
Services
AC Repair Heating Services Maintenance Plans Indoor Air Quality Thermostat Repair Ductwork Solutions Heat Pump Services Furnace Installation Emergency HVAC System Replacement
Details
  • Year established: 2003
Highlights and features
  • We offer 24/7 emergency HVAC service with rapid response times.
  • Our technicians undergo background checks and specialized training.
  • We guarantee satisfaction with upfront pricing and transparent communication.
  • We provide energy-saving maintenance plans tailored to Atlanta's climate.
  • Our team has over 20 years of combined HVAC experience in the region.
What people say
Quick response times Professional technicians Fair pricing Energy-saving advice Same-day service
Services
AC Repair
Our AC repair service addresses all cooling system malfunctions, from compressor issues to refrigerant leaks. We provide same-day diagnostics and repairs using OEM parts, ensuring optimal performance. Customers benefit from reduced energy costs and extended system lifespan through our expert maintenance.
Heating Services
Comprehensive heating solutions include furnace repair, boiler maintenance, and heat pump optimization. Our technicians perform safety checks and efficiency tune-ups to maintain consistent indoor comfort during cold seasons while minimizing fuel consumption.
Maintenance Plans
Our annual maintenance agreements cover system inspections, filter replacements, and performance optimizations. These plans prevent unexpected breakdowns, improve energy efficiency by up to 30%, and extend equipment longevity through proactive care.
Indoor Air Quality
We install and service air purification systems, dehumidifiers, and high-efficiency filters to reduce allergens and pollutants. Our solutions address asthma triggers, mold spores, and pet dander, creating healthier living environments with improved ventilation.
Emergency HVAC
Available 24 hours daily, our emergency HVAC service responds to critical system failures within hours. Technicians carry essential replacement parts and use thermal imaging diagnostics to resolve urgent heating or cooling issues during extreme weather.
People
Gurtej Gill
Founder
Gurtej Gill established the company in 2003 after 15+ years in HVAC industry leadership roles. He oversees operations with a focus on technical excellence and customer-centric service standards.
Questions
What HVAC services do you offer?
We provide AC repair, furnace maintenance, heat pump services, indoor air quality solutions, and 24/7 emergency HVAC support in Atlanta.
Do you offer emergency HVAC service?
Yes, our 24/7 emergency service responds to critical heating and cooling failures within hours, including nights and weekends.
What areas do you service?
We serve Lilburn, Atlanta, and surrounding Metro Atlanta areas for residential HVAC repair, installation, and maintenance needs.
Do you have maintenance plans?
Yes, our annual HVAC maintenance agreements include twice-yearly system inspections, filter replacements, and priority service scheduling.
What payment methods are accepted?
We accept major credit cards, cash, and checks for HVAC services. Financing options are available for major system replacements.
How can I schedule service?
Call (770) 921-8500 anytime or use our online request form to schedule HVAC repair, maintenance, or consultation appointments.