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    Average homeowner rating
  • Verified reviews icon408
    Verified heating oil services reviews

Find Heating oil pros in Lawrenceville

Avatar for Coolray Heating & Air Conditioning

Coolray Heating & Air Conditioning

4.77(
1,326
)
Approved Pro

Coolray Heating & Air Conditioning

4.77(
1,326
)
Approved Pro
Super Service Award
Customers say: Super punctual
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
1966 years of experience

Coolray has served the Atlanta metro area since 1966 and offers professional heating, air conditioning, plumbing and electrical. We base our business principles on people helping people with honest, dependable service backed by our peace of mind warranties and guarantees ensuring your 100% satisfaction. 350 employees. No subs. Charges a flat rate. Senior Discount on Service Repairs only, cannot be used with other offers.

"Did a great job on annual HVAC maintenance. Waylon Coley is an excellent HVAC tech."

Douglas I on November 2025

Coolray has served the Atlanta metro area since 1966 and offers professional heating, air conditioning, plumbing and electrical. We base our business principles on people helping people with honest, dependable service backed by our peace of mind warranties and guarantees ensuring your 100% satisfaction. 350 employees. No subs. Charges a flat rate. Senior Discount on Service Repairs only, cannot be used with other offers.

"Did a great job on annual HVAC maintenance. Waylon Coley is an excellent HVAC tech."

Douglas I on November 2025


Avatar for Triad Mechanical Company Inc

Triad Mechanical Company Inc

4.86(
180
)
Approved Pro

Triad Mechanical Company Inc

4.86(
180
)
Approved Pro
Customers say: Quick response
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
1991 years of experience

While many heating and air companies have come and gone, we have maintained an impeccable reputation since 1991, which we have accomplished through hard work and unparalleled customer service. We pride ourselves on punctuality, courtesy to our customers and their families, and a rock solid guarantee on all the work we perform. This family-owned and -operated HVAC service has responded promptly to calls in the Greater Metro Atlanta area for more than 20 years, offering the best value from certified technicians. While many heating and air companies have come and gone, we have maintained an impeccable reputation, which we have accomplished through hard work and unparalleled customer service. We pride ourselves on punctuality, courtesy to our customers and their families, and a rock solid guarantee on all the work we perform. Additional Counties Served: Oglethorpe, Walton, Gwinnett, Rockdale, & Portions of Dekalb, & Fulton. Additional phone - (770) 400-9084.

"No findings, no solution, no explanation… collected the fee… the issue is still there. I had Triad Mechanical Company for our HVAC issue that the outdoor unit is not running. I told Paul, the assigned technician, that we had tried resetting the power to the outdoor unit but that only brought the unit back on running for a few days before it stopped running again. I asked Paul’s help diagnose the issue for the root cause. However, when I came to the property just a few minutes later than Paul, he told me that he had done his work already, well, by simply resetting the power to the unit! (although I told him that we already tried that but it didn’t work!)… He didn’t have the patience to explain to me what diagnosis he had done (within that a few minutes) and he didn’t even bother to come off his truck to show me but saying “go ask your tenant”. He collected the fee and left. I will never trust nor use Triad Mechanical Company again!"

James H on April 2024

While many heating and air companies have come and gone, we have maintained an impeccable reputation since 1991, which we have accomplished through hard work and unparalleled customer service. We pride ourselves on punctuality, courtesy to our customers and their families, and a rock solid guarantee on all the work we perform. This family-owned and -operated HVAC service has responded promptly to calls in the Greater Metro Atlanta area for more than 20 years, offering the best value from certified technicians. While many heating and air companies have come and gone, we have maintained an impeccable reputation, which we have accomplished through hard work and unparalleled customer service. We pride ourselves on punctuality, courtesy to our customers and their families, and a rock solid guarantee on all the work we perform. Additional Counties Served: Oglethorpe, Walton, Gwinnett, Rockdale, & Portions of Dekalb, & Fulton. Additional phone - (770) 400-9084.

"No findings, no solution, no explanation… collected the fee… the issue is still there. I had Triad Mechanical Company for our HVAC issue that the outdoor unit is not running. I told Paul, the assigned technician, that we had tried resetting the power to the outdoor unit but that only brought the unit back on running for a few days before it stopped running again. I asked Paul’s help diagnose the issue for the root cause. However, when I came to the property just a few minutes later than Paul, he told me that he had done his work already, well, by simply resetting the power to the unit! (although I told him that we already tried that but it didn’t work!)… He didn’t have the patience to explain to me what diagnosis he had done (within that a few minutes) and he didn’t even bother to come off his truck to show me but saying “go ask your tenant”. He collected the fee and left. I will never trust nor use Triad Mechanical Company again!"

James H on April 2024


Avatar for Service First Pros, LLC

Service First Pros, LLC

4.81(
860
)
Approved Pro

Service First Pros, LLC

4.81(
860
)
Approved Pro
Super Service Award
Customers say: True professional
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
2017 years of experience

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"

"Zachary was SO efficient and he explained what was going on very well. He’s also extremely polite. I’d really like him to be my regular repairman in the future."

Kate L on October 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"

"Zachary was SO efficient and he explained what was going on very well. He’s also extremely polite. I’d really like him to be my regular repairman in the future."

Kate L on October 2025


Avatar for R Wiley Heating & Air

R Wiley Heating & Air

4.68(
1,045
)
Approved Pro

R Wiley Heating & Air

4.68(
1,045
)
Approved Pro
Customers say: Super punctual
1986 years of experience
Free onsite estimate

Super Service Award Winner for 2024-2013 | HVAC Contractor | Owner Operated by Robby Wiley | We are a local Heating and Air Conditioning company in the metro Atlanta and surrounding areas. We offer FREE ESTIMATES on installations only and financing options including 18 months same as cash on all equipment and 60 months same as cash for certain equipment. We provide services to residential and small commercial customers. I have been in the industry for 30 years and enjoy helping my customers maintain their equipment and overcome issues with their equipment. I will work with you and offer recommendations based on your needs. I will make myself available to answer questions you may have without requiring a service call, again I enjoy what I do.

"Good."

Brent L on April 2025

Super Service Award Winner for 2024-2013 | HVAC Contractor | Owner Operated by Robby Wiley | We are a local Heating and Air Conditioning company in the metro Atlanta and surrounding areas. We offer FREE ESTIMATES on installations only and financing options including 18 months same as cash on all equipment and 60 months same as cash for certain equipment. We provide services to residential and small commercial customers. I have been in the industry for 30 years and enjoy helping my customers maintain their equipment and overcome issues with their equipment. I will work with you and offer recommendations based on your needs. I will make myself available to answer questions you may have without requiring a service call, again I enjoy what I do.

"Good."

Brent L on April 2025


Avatar for Cool Air Mechanical LLC

Cool Air Mechanical LLC

4.78(
258
)
Approved Pro

Cool Air Mechanical LLC

4.78(
258
)
Approved Pro
Customers say: Super punctual
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
2011 years of experience

For years, Cool Air Mechanical has been an expert provider of heating, cooling, plumbing, indoor air quality, generators and electrical services throughout the greater Atlanta region. If you find that it is time to have a new heating or cooling system installed in your home, or if you need someone to take over maintenance for you HVAC system in Atlanta, call us today and learn more about our full range of services. Each of our technicians is chosen based on their ability to provide the utmost in service to each of the customers they visit and they are prepared for nearly any issue that could arise. If you are interested in getting more out of your heating and cooling systems in Atlanta or the surrounding area, give us a call today. Additional website: www.770coolair.com

"Cool Air Mechanical LLC delivered exceptional service with our water heater installation! From the moment we scheduled the appointment, their team was professional, punctual, and incredibly knowledgeable. They assessed our needs thoroughly and guided us to the perfect unit for our home. Installation was seamless—efficient, clean, and done with care. We appreciated the technicians’ attention to detail and their willingness to explain everything clearly. What truly stood out was their commitment to customer satisfaction. They even followed up to ensure everything was running perfectly! It’s rare to find a company that combines technical expertise with genuine courtesy. Highly recommend Cool Air Mechanical for anyone in need of top-notch HVAC or plumbing services. They’ve earned our trust and future business!"

Carli S on July 2025

For years, Cool Air Mechanical has been an expert provider of heating, cooling, plumbing, indoor air quality, generators and electrical services throughout the greater Atlanta region. If you find that it is time to have a new heating or cooling system installed in your home, or if you need someone to take over maintenance for you HVAC system in Atlanta, call us today and learn more about our full range of services. Each of our technicians is chosen based on their ability to provide the utmost in service to each of the customers they visit and they are prepared for nearly any issue that could arise. If you are interested in getting more out of your heating and cooling systems in Atlanta or the surrounding area, give us a call today. Additional website: www.770coolair.com

"Cool Air Mechanical LLC delivered exceptional service with our water heater installation! From the moment we scheduled the appointment, their team was professional, punctual, and incredibly knowledgeable. They assessed our needs thoroughly and guided us to the perfect unit for our home. Installation was seamless—efficient, clean, and done with care. We appreciated the technicians’ attention to detail and their willingness to explain everything clearly. What truly stood out was their commitment to customer satisfaction. They even followed up to ensure everything was running perfectly! It’s rare to find a company that combines technical expertise with genuine courtesy. Highly recommend Cool Air Mechanical for anyone in need of top-notch HVAC or plumbing services. They’ve earned our trust and future business!"

Carli S on July 2025


All Seasons Heating and Air

4.92(
84
)
Approved Pro

All Seasons Heating and Air

4.92(
84
)
Approved Pro
Super Service Award
Customers say: True professional
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
1978 years of experience

Dependable, quality workmanship, satisfaction guaranteed. We return all calls promptly. We offer free estimates (new or replacement systems only) and reasonable pricing at all times. All Seasons Heating and Air Conditioning is a locally owned and family run business and we are fully licensed. References are available on request.

"They responded to our distress call quickly, scheduled the visit and were punctual enough to show up in the time slot they mentioned. Despite a bit of an inconvenience with the accessibility to our AC units, Brant ensured that him and his technician provided us with the service they promised. Would definitely recommend him."

Monil S on July 2025

Dependable, quality workmanship, satisfaction guaranteed. We return all calls promptly. We offer free estimates (new or replacement systems only) and reasonable pricing at all times. All Seasons Heating and Air Conditioning is a locally owned and family run business and we are fully licensed. References are available on request.

"They responded to our distress call quickly, scheduled the visit and were punctual enough to show up in the time slot they mentioned. Despite a bit of an inconvenience with the accessibility to our AC units, Brant ensured that him and his technician provided us with the service they promised. Would definitely recommend him."

Monil S on July 2025


Avatar for Nesbit Landscape

Nesbit Landscape

4.87(
67
)
Approved Pro

Nesbit Landscape

4.87(
67
)
Approved Pro
Customers say: Quality work
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
1992 years of experience

Nesbit Landscape was founded in 1992, by Eric Brummond and is a locally owned and operated company. We offer complete landscaping design and installation services. Customer service,creative solutions and dependability, sets us apart from our competition. Areas for installation of landscape include Middle to North Georgia. Nesbit Landscape is fully insured and bonded. We stand behind our work and make sure you are happy with every aspect of the landscape project. Let us know how we can help you today.

"The egg rock that my neighbor and I had installed in a water runoff area between his house and mine had failed and suffered damage every time we had a really heavy rain. Eric and his team put in a dry creek bed, which solved the problem. Having dealt with a number of landscape companies, I don't think I ever hired one more impressive than Nesbitt. Eric was cordial and professional,.. a pleasure to work with."

James C on November 2021

Nesbit Landscape was founded in 1992, by Eric Brummond and is a locally owned and operated company. We offer complete landscaping design and installation services. Customer service,creative solutions and dependability, sets us apart from our competition. Areas for installation of landscape include Middle to North Georgia. Nesbit Landscape is fully insured and bonded. We stand behind our work and make sure you are happy with every aspect of the landscape project. Let us know how we can help you today.

"The egg rock that my neighbor and I had installed in a water runoff area between his house and mine had failed and suffered damage every time we had a really heavy rain. Eric and his team put in a dry creek bed, which solved the problem. Having dealt with a number of landscape companies, I don't think I ever hired one more impressive than Nesbitt. Eric was cordial and professional,.. a pleasure to work with."

James C on November 2021


Avatar for Casteel Heating, Cooling, Plumbing & Electrical

Casteel Heating, Cooling, Plumbing & Electrical

4.74(
88
)
Approved Pro

Casteel Heating, Cooling, Plumbing & Electrical

4.74(
88
)
Approved Pro
Customers say: Super punctual
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
1987 years of experience

At Casteel Heating, Cooling, Plumbing and Electrical, we provide world-class service to our customers, just as we have since 1987. Founded by Jan and Bob Casteel, our company was built on honesty and customer-focused care. To this day, we offer our Amazing Care Guarantee: We’ll take amazing care of you or we’ll refund your service call fee. Our expert team of plumbers, electricians, HVAC technicians, and system design managers performs top-quality repairs and installations while ensuring you are completely satisfied with your entire customer service. Because we offer so many services under one roof, you’ll save time and money by making one phone call to Casteel. Formerly: Knight Air Conditioning and Heating Company

"Thumbs up for the construction at my residence, a three story elevator shaft"

Diana D on October 2024

At Casteel Heating, Cooling, Plumbing and Electrical, we provide world-class service to our customers, just as we have since 1987. Founded by Jan and Bob Casteel, our company was built on honesty and customer-focused care. To this day, we offer our Amazing Care Guarantee: We’ll take amazing care of you or we’ll refund your service call fee. Our expert team of plumbers, electricians, HVAC technicians, and system design managers performs top-quality repairs and installations while ensuring you are completely satisfied with your entire customer service. Because we offer so many services under one roof, you’ll save time and money by making one phone call to Casteel. Formerly: Knight Air Conditioning and Heating Company

"Thumbs up for the construction at my residence, a three story elevator shaft"

Diana D on October 2024


Avatar for Able Service Company

Able Service Company

4.83(
143
)
Approved Pro

Able Service Company

4.83(
143
)
Approved Pro
Customers say: Quick response
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
1984 years of experience

A family owned and operated company who opened our doors in 1984. Over these passing years many homeowners have found a home with us. That's because we focus on giving our customers a level of service that exceeds what we would expect for our own homes. It's part of what we call "Delivering Comfort Your Way". Whether you require a simple heating & air conditioning repair or a full HVAC replacement, Able Service Company is available 24/7. Our certified professionals are licensed to perform repairs, service & maintenance on all makes and models. You can always count on upfront written estimates and our 100% satisfaction guarantee.

"Great job, prompt, friendly and reliable people, they replace the AC unit in my in-laws in no time. I would hire them again in a hart bit. Thanks Rita, thanks Alex and thanks to everybody at Able Service."

Enrique C on September 2020

A family owned and operated company who opened our doors in 1984. Over these passing years many homeowners have found a home with us. That's because we focus on giving our customers a level of service that exceeds what we would expect for our own homes. It's part of what we call "Delivering Comfort Your Way". Whether you require a simple heating & air conditioning repair or a full HVAC replacement, Able Service Company is available 24/7. Our certified professionals are licensed to perform repairs, service & maintenance on all makes and models. You can always count on upfront written estimates and our 100% satisfaction guarantee.

"Great job, prompt, friendly and reliable people, they replace the AC unit in my in-laws in no time. I would hire them again in a hart bit. Thanks Rita, thanks Alex and thanks to everybody at Able Service."

Enrique C on September 2020


Avatar for Chuck Home Repair and Renovation

Chuck Home Repair and Renovation

4.84(
45
)
Approved Pro

Chuck Home Repair and Renovation

4.84(
45
)
Approved Pro
Super Service Award
Customers say: Super punctual
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
2022 years of experience

We have the experience and dedication to bring your dreams to reality! We guarantee your satisfaction, and we won’t leave until the job is done right. Our team has quality experience in this industry, and we make sure our customers are happy before we leave. Call or click to schedule an estimate today!

"Rafael was on time, professional, and careful with my belongings. I would hire again definitely!"

treona p on October 2025

We have the experience and dedication to bring your dreams to reality! We guarantee your satisfaction, and we won’t leave until the job is done right. Our team has quality experience in this industry, and we make sure our customers are happy before we leave. Call or click to schedule an estimate today!

"Rafael was on time, professional, and careful with my belongings. I would hire again definitely!"

treona p on October 2025

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Heating Oil questions, answered by experts

Yes, technicians check refrigerant levels, loop performance, and system calibration for peak efficiency.

Yes, many providers offer organic or eco-friendly treatments. Confirm availability with your contractor.

Leaks, poor airflow, reduced efficiency, and loop blockages are common problems requiring service.

You need to service an HVAC system about twice per year, with a service including an inspection and basic maintenance. It’s best to schedule maintenance in the spring (after the furnace has been running and before the AC kicks on) and in the fall (after the AC worked hard all summer and before winter’s first chill arrives). 

Regular HVAC services will keep the system working as efficiently as possible, saving you money on utilities and larger repairs. HVAC maintenance costs around $250 per visit, while bigger repairs from forgotten upkeep could cost thousands.

A geothermal heat pump system will take about 10 years to pay for itself, and it has a life span of anywhere from about 25 to 50 years. Installing a geothermal heat pump will cost about $14,250 upfront, but it can reduce your energy bills by around 65% when compared to a conventional HVAC system.

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