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Heating and furnace pros in Lawrenceville
Unlimited Heating and Air Conditioning, LLC, is an HVAC company providing residential heating, air service & repairs throughout the surrounding areas. We specialize in heating and air conditioning repairs, service,and installations as well. When it comes to your family, your air conditioning and heating systems should provide you with value as well as comfort. With Unlimited Heating and Air Conditioning, LLC, you can expect comfort, value, and dedicated customer service to meet your needs.
"Unlimited Heating and Air Conditioning was great in every way."
Bobby M on August 2018
Unlimited Heating and Air Conditioning, LLC, is an HVAC company providing residential heating, air service & repairs throughout the surrounding areas. We specialize in heating and air conditioning repairs, service,and installations as well. When it comes to your family, your air conditioning and heating systems should provide you with value as well as comfort. With Unlimited Heating and Air Conditioning, LLC, you can expect comfort, value, and dedicated customer service to meet your needs.
"Unlimited Heating and Air Conditioning was great in every way."
Bobby M on August 2018
At Minh Air Mechanical were dedicated to providing our clients with the very best in installation, service, and repair for your heating and cooling needs. Our company is built on honesty and integrity. We specialize in heating and furnace systems in addition to a variety of HVAC-related projects. We take pride in the quality of our work and our commitment to outstanding results & look forward to building long-term relationships with our clients, and guarantee your satisfaction.
"Awesome customer service! I called for my AC and they replaced the whole unit. Kim is so caring and professional on the phone. The technician Van was awesome as well! Very polite. Would highly recommend. They do a great job and clean up after themselves. Very quick and easy experience! Will 100% recommend."
Jessica B on October 2024
At Minh Air Mechanical were dedicated to providing our clients with the very best in installation, service, and repair for your heating and cooling needs. Our company is built on honesty and integrity. We specialize in heating and furnace systems in addition to a variety of HVAC-related projects. We take pride in the quality of our work and our commitment to outstanding results & look forward to building long-term relationships with our clients, and guarantee your satisfaction.
"Awesome customer service! I called for my AC and they replaced the whole unit. Kim is so caring and professional on the phone. The technician Van was awesome as well! Very polite. Would highly recommend. They do a great job and clean up after themselves. Very quick and easy experience! Will 100% recommend."
Jessica B on October 2024
Our mission at COMPANY NAME is to continue the growth of our business by doing right by all of our clients. We love seeing that one of a kind smile on a home owners face at the end of a project! COMPANY NAME stacks up with the competition and surpasses it with competitive prices, second to none workmanship and a prompt/responsive team! We give you quality that you can measure, and a finished product that will enhance your home forever. Call us today!
Our mission at COMPANY NAME is to continue the growth of our business by doing right by all of our clients. We love seeing that one of a kind smile on a home owners face at the end of a project! COMPANY NAME stacks up with the competition and surpasses it with competitive prices, second to none workmanship and a prompt/responsive team! We give you quality that you can measure, and a finished product that will enhance your home forever. Call us today!
We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumers needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.
"I recently had the pleasure of engaging Mehzair Mechanical for servicing my heating and air conditioning systems, including duct cleaning, and I must say, the experience was nothing short of exceptional. From start to finish, their service was top-notch and truly professional. The technicians from Mehzair Mechanical were punctual, courteous, and highly knowledgeable. They meticulously inspected and serviced both my heating and air conditioning units, ensuring that everything was in perfect working order. The duct cleaning service they provided was thorough and efficient, leaving my home feeling fresh and clean. What truly sets Mehzair Mechanical apart is their attention to detail and dedication to customer satisfaction. They took the time to explain the entire process to me, addressing all my questions and concerns with patience and expertise. Their professionalism and expertise were evident in every aspect of the service they provided. I am thoroughly impressed with the quality of work delivered by Mehzair Mechanical and would highly recommend them to anyone in need of HVAC services. If you're looking for a reliable, trustworthy, and skilled team to take care of your heating and air conditioning needs, look no further than Mehzair Mechanical. They have earned every bit of this glowing five-star review!"
Austin E on June 2024
We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumers needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.
"I recently had the pleasure of engaging Mehzair Mechanical for servicing my heating and air conditioning systems, including duct cleaning, and I must say, the experience was nothing short of exceptional. From start to finish, their service was top-notch and truly professional. The technicians from Mehzair Mechanical were punctual, courteous, and highly knowledgeable. They meticulously inspected and serviced both my heating and air conditioning units, ensuring that everything was in perfect working order. The duct cleaning service they provided was thorough and efficient, leaving my home feeling fresh and clean. What truly sets Mehzair Mechanical apart is their attention to detail and dedication to customer satisfaction. They took the time to explain the entire process to me, addressing all my questions and concerns with patience and expertise. Their professionalism and expertise were evident in every aspect of the service they provided. I am thoroughly impressed with the quality of work delivered by Mehzair Mechanical and would highly recommend them to anyone in need of HVAC services. If you're looking for a reliable, trustworthy, and skilled team to take care of your heating and air conditioning needs, look no further than Mehzair Mechanical. They have earned every bit of this glowing five-star review!"
Austin E on June 2024
Hill HVAC is an owner operated repair and maintenance service. I am intent on getting your system fixed and earning your business. No nonsense or up selling. 15 yrs experience commercial and residential installation and troubleshooting. Call me directly 7702415023 anytime for estimates or advice.
"He fix the wiring and was helpful."
L F on December 2023
Hill HVAC is an owner operated repair and maintenance service. I am intent on getting your system fixed and earning your business. No nonsense or up selling. 15 yrs experience commercial and residential installation and troubleshooting. Call me directly 7702415023 anytime for estimates or advice.
"He fix the wiring and was helpful."
L F on December 2023
GRACE MAINTENANCE SERVICES is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.
GRACE MAINTENANCE SERVICES is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.
Service 1st Pros is a residential service first heating and air conditioning company. We service, maintain and replace residential HVAC systems. We believe in servicing our customers at the highest level with knowledge, honesty and integrity. We put our customers' needs first, earning trust and building a lasting relationship. We would love to earn your business and show you the "WOW" we deliver through service.We provide free estimates on equipment only. We value the customer and guarantee to put you first! Josh Meacham Owner/Operator "Our Pros Put You First"
"Mr Garman did an outstanding job analyzing my system made recommendations & provided superior customer service!!!"
Jeffrey H on May 2025
Service 1st Pros is a residential service first heating and air conditioning company. We service, maintain and replace residential HVAC systems. We believe in servicing our customers at the highest level with knowledge, honesty and integrity. We put our customers' needs first, earning trust and building a lasting relationship. We would love to earn your business and show you the "WOW" we deliver through service.We provide free estimates on equipment only. We value the customer and guarantee to put you first! Josh Meacham Owner/Operator "Our Pros Put You First"
"Mr Garman did an outstanding job analyzing my system made recommendations & provided superior customer service!!!"
Jeffrey H on May 2025
When it comes to the mechanics of your home, you need a knowledgeable, experienced, and qualified company to protect your family and make sure your heating and air conditioning systems run smoothly all around. We will take care of your repairs, your maintenance, and your installations, from thermostats to new central air units, so you can enjoy the comforts of your home worry free! Call us for your all of your heating and air conditioning needs.
"Mr. LE and his crew are the most professional, pleasant and honest company that I have dealt with, I wouldn't hesitate to hire him again. Thanks Mr Le"
Erick C on June 2025
When it comes to the mechanics of your home, you need a knowledgeable, experienced, and qualified company to protect your family and make sure your heating and air conditioning systems run smoothly all around. We will take care of your repairs, your maintenance, and your installations, from thermostats to new central air units, so you can enjoy the comforts of your home worry free! Call us for your all of your heating and air conditioning needs.
"Mr. LE and his crew are the most professional, pleasant and honest company that I have dealt with, I wouldn't hesitate to hire him again. Thanks Mr Le"
Erick C on June 2025
We have over 20 years of industry experience and is dedicated to providing our clients with the very best in installation, service and repair for your heating and cooling needs. Our company foundation is built on honesty and integrity. We specialize in central A/C, heating and furnace systems in addition to a variety of HVAC related projects. We take pride in the quality of our work and our commitment to outstanding results. We look forward to building long-term relationships with our clients and guarantee your satisfaction!
"No comments."
Larry M on November 2018
We have over 20 years of industry experience and is dedicated to providing our clients with the very best in installation, service and repair for your heating and cooling needs. Our company foundation is built on honesty and integrity. We specialize in central A/C, heating and furnace systems in addition to a variety of HVAC related projects. We take pride in the quality of our work and our commitment to outstanding results. We look forward to building long-term relationships with our clients and guarantee your satisfaction!
"No comments."
Larry M on November 2018
When you call Comfort Solutions Heating & Cooling, LLC. for your heating and air conditioning needs, you'll get the same customer friendly service that Metro Atlanta and the surrounding areas have come to expect. We want your business and we do everything we can to make it easy for you to do business with us. We have undergone rigorous training and are focused on providing you with service that's dependable, quick and courteous. Our satisfaction guarantee is simple and we won't quit until you're satisfied, guaranteed.
"Great job!"
Janet D on June 2024
When you call Comfort Solutions Heating & Cooling, LLC. for your heating and air conditioning needs, you'll get the same customer friendly service that Metro Atlanta and the surrounding areas have come to expect. We want your business and we do everything we can to make it easy for you to do business with us. We have undergone rigorous training and are focused on providing you with service that's dependable, quick and courteous. Our satisfaction guarantee is simple and we won't quit until you're satisfied, guaranteed.
"Great job!"
Janet D on June 2024
FAQs for heating and furnace service projects in Lawrenceville, GA
Consider replacing your gravity furnace when it's over 30 years old, when you experience frequent system failures, or when your heating bills continue rising despite maintenance. Many older gravity systems operate at substantially lower efficiency rates compared to modern alternatives, often 50% to 60% versus the 80% to 98% efficiency of contemporary furnaces.
Replacement also makes sense when your existing system shows signs of deterioration that could affect safety or when professional inspection reveals significant issues.
Most gravity furnace replacements require between six and 12 hours of professional labor, spanning one to two working days, depending on scheduling and complexity. Basic installations with minimal complications may be completed in a single day, while projects requiring extensive ductwork modifications or asbestos remediation will require additional time.
The timeline includes removal of the old system, preparation of the installation area, placement and connection of the new furnace, and thorough testing.
Watch for warning signs, including inconsistent heating throughout your home, unusual noises during operation, visible corrosion or damage to the heat exchanger, and steadily increasing energy consumption. If your furnace requires frequent repairs or if you notice a yellow or flickering pilot light instead of a steady blue flame, these may indicate serious issues.
Age remains a primary consideration—systems over 30 years old warrant replacement rather than continued repair.
Well-maintained gravity furnaces that pass professional safety inspections can continue operating, but they inherently carry more risk factors than modern systems. Potential concerns include less efficient combustion that may produce carbon monoxide, deteriorating components that could create fire hazards, and the possible presence of asbestos in insulation materials.
Modern furnaces incorporate numerous safety improvements, including automatic shutdown features, sealed combustion chambers, and electronic ignition systems that eliminate standing pilot lights.
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