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50+ Years
experience
Emergency
services
Your Trusted HVAC Partner in Monroe, Georgia
L & M Service has been a trusted provider of HVAC solutions in Georgia since 1972. Our team specializes in air conditioning repair, furnace repair, heating and cooling installation, and indoor air quality services, serving Monroe, Dacula, Lawrenceville, and surrounding areas. With over 35 years of experience, we prioritize fast response times, certified technicians, and 100% customer satisfaction. We service all major HVAC brands but recommend Trane equipment for reliability and efficiency.

Our commitment to quality extends to plumbing, electrical, and emergency repair services, ensuring comprehensive comfort solutions for residential and commercial clients. Customer testimonials highlight our consistent performance, professional staff, and community reputation built through decades of dependable service.
Services
HVAC Repair Air Conditioning Installation Furnace Repair Heat Pump Services Plumbing Repair Electrical Repair Indoor Air Quality Emergency Maintenance Equipment Replacement Free Estimates
Details
  • Year established: 1972
Highlights and features
  • We offer 35+ years of HVAC expertise in Northeast Georgia
  • Our certified technicians provide fast, reliable repair services
  • We recommend energy-efficient Trane HVAC equipment for long-term savings
  • We guarantee 100% customer satisfaction on all service calls
  • We serve 15+ communities including Monroe, Dacula, and Buford
What people say
Best air conditioning service Fast response time Excellent work Professional technicians Highly recommend
Services
HVAC Repair
Our certified technicians provide prompt HVAC repair services for all major brands. We diagnose and fix heating and cooling system issues efficiently, minimizing downtime for residential and commercial clients. With 24/7 emergency availability, we ensure year-round comfort through reliable system performance.
Air Conditioning Installation
We specialize in energy-efficient air conditioning installation for homes and businesses. Our team recommends Trane equipment for superior performance and longevity. We provide free estimates and handle complete system replacements, ensuring proper sizing and optimal placement for maximum cooling efficiency and cost savings.
Furnace Repair
Our furnace repair service addresses all makes and models with precision diagnostics. We maintain and repair heating systems to ensure safe, efficient operation during cold months. Our technicians carry common replacement parts for same-day repairs and offer maintenance plans to extend equipment lifespan.
Heat Pump Services
We provide comprehensive heat pump repair, installation, and maintenance services. Our experts handle both heating and cooling cycles, optimizing system performance year-round. From routine maintenance to emergency repairs, we ensure efficient temperature control with minimal energy consumption for Georgia's climate.
Plumbing Repair
Our licensed plumbers address residential and commercial plumbing issues promptly. We repair leaks, fix clogged drains, and maintain water systems with minimal disruption. Using advanced diagnostic tools, we identify hidden problems early, preventing costly water damage while ensuring code-compliant solutions for long-term reliability.
Questions
Do you offer emergency HVAC services?
Yes, we provide 24/7 emergency HVAC repair services for urgent heating and cooling system failures.
What areas do you service?
We serve Monroe, Dacula, Lawrenceville, Buford, and 15+ other communities in Northeast Georgia.
Do you work on all HVAC brands?
Yes, our technicians service and repair all major HVAC brands, though we recommend Trane equipment for replacements.
Can I get a free estimate?
Yes, we offer free estimates for HVAC equipment replacements and major repair projects.
How quickly can you respond to service calls?
Most service calls receive same-day response with technicians typically arriving within 2-4 hours.
Are your technicians certified?
Yes, all our HVAC technicians are certified and undergo regular training on the latest systems.