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  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon175
    Verified heating oil services reviews

Find Heating oil pros in Frederick

Avatar for H L Bowman

H L Bowman

2259 Woodlawn St
4.72(
387
)
Approved Pro

H L Bowman

2259 Woodlawn St
4.72(
387
)
Approved Pro
Customers say: Super punctual
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
2006 local quotes requested

HL Bowman has been in the same location for 38 years and owned by the same family for over 65 years. HL Bowman is a non commission based company. HL Bowman employees will never upsell you a product you don't need. Dennis and Bryan Enders and his family have deep roots in the Harrisburg community. After 65 years Dennis and family stay committed to giving the community the best possible service and product to fit their needs. HL Bowman has won Angie's List super service award every year.

"Exceptional service from the initial diagnosis to repair, superb team. I appreciated everyone's thoroughness, willingness and honest business tactics. They provided a safe environment for me to ask questions and we explored all options. Ultimately, Joshua, sealed the deal by being caring and understanding. His expertise showed but most importantly his work ethics and integrity was felt. Many thanks to the whole team Brett, Joshua, Jason and Peter delivered Top notch service. Lastly, the communication was A+. Loved receiving text messages with photo id's, true professionals. Highly recommend! You won't be disappointed!"

Lena W on August 2025

HL Bowman has been in the same location for 38 years and owned by the same family for over 65 years. HL Bowman is a non commission based company. HL Bowman employees will never upsell you a product you don't need. Dennis and Bryan Enders and his family have deep roots in the Harrisburg community. After 65 years Dennis and family stay committed to giving the community the best possible service and product to fit their needs. HL Bowman has won Angie's List super service award every year.

"Exceptional service from the initial diagnosis to repair, superb team. I appreciated everyone's thoroughness, willingness and honest business tactics. They provided a safe environment for me to ask questions and we explored all options. Ultimately, Joshua, sealed the deal by being caring and understanding. His expertise showed but most importantly his work ethics and integrity was felt. Many thanks to the whole team Brett, Joshua, Jason and Peter delivered Top notch service. Lastly, the communication was A+. Loved receiving text messages with photo id's, true professionals. Highly recommend! You won't be disappointed!"

Lena W on August 2025


Avatar for Horizon Services

Horizon Services

900 Adams Ave
4.03(
1,236
)
Approved Pro

Horizon Services

900 Adams Ave
4.03(
1,236
)
Approved Pro
Customers say: Super punctual
113 local quotes requested
36 years of experience

Horizon Services is the region’s largest and most well respected plumbing, heating and air conditioning company, with nearly 600 employees serving tens of thousands of homeowners throughout Delaware, Southeastern Pennsylvania, Southern New Jersey, and Northeastern Maryland. After a quarter of a century in business, Horizon Services remains fully committed to setting the industry standard for customer service, installation, and focusing on things that are important to busy homeowners: respect for their time, their home and their property; up-front pricing, and an unconditional 100% money back guarantee. Horizon Services is the Heating Company Your Friends and Neighbors Call to Keep Warm All Winter Long!

"I wouldn’t be writing this Review if one thing would have happened, TALK TO ME. Don’t place the answering service in the position of telling a Customer that the Supervisor has left for the day at 2.45p on a Thursday. Especially when the Horizon repairman had just fried our whole cooling system, including the thermostat!! What started with a bad fan motor in a new AC system that was only 3.5 years old in a $10,000 system, for which we had waited 4 days for the new motor to be installed. Add to that the fact that the repairman told me he would be at our home at 8.30a and didn’t arrive until 11.30a - after having to use a vacation day to wait at home for them to arrive. Then telling me this will be ‘quick’ all I have to do is switch out the motor by mounting it and plugging in the new one. Hours went by, nothing. He comes in to test the thermostat and it is non-responsive. He tells me to get new batteries, which I did. Then asks me, “these are new?” To which I say, ‘of course’ - you watched me take them out of the box. Then he goes out to his truck for the next 1.5hrs, supposedly speaks with his Supervisor and comes in and tells me that he has fried the system. I reply by saying I will be calling a senior person to speak with them. Called 4 times and never spoke with anyone. Each time I waited on hold for an extended period of time. Each time, I was then told by the answering service that someone would call and never did. Then at 2.45p I am told “everyone has left for the day” and no one would be calling. This was a Thursday, I had been home all day and no one would speak with me. We remain without an AC system, no plan, no calls - - nothing!!! If I could rate them a ZERO, I would,"

Scott M on June 2025

Horizon Services is the region’s largest and most well respected plumbing, heating and air conditioning company, with nearly 600 employees serving tens of thousands of homeowners throughout Delaware, Southeastern Pennsylvania, Southern New Jersey, and Northeastern Maryland. After a quarter of a century in business, Horizon Services remains fully committed to setting the industry standard for customer service, installation, and focusing on things that are important to busy homeowners: respect for their time, their home and their property; up-front pricing, and an unconditional 100% money back guarantee. Horizon Services is the Heating Company Your Friends and Neighbors Call to Keep Warm All Winter Long!

"I wouldn’t be writing this Review if one thing would have happened, TALK TO ME. Don’t place the answering service in the position of telling a Customer that the Supervisor has left for the day at 2.45p on a Thursday. Especially when the Horizon repairman had just fried our whole cooling system, including the thermostat!! What started with a bad fan motor in a new AC system that was only 3.5 years old in a $10,000 system, for which we had waited 4 days for the new motor to be installed. Add to that the fact that the repairman told me he would be at our home at 8.30a and didn’t arrive until 11.30a - after having to use a vacation day to wait at home for them to arrive. Then telling me this will be ‘quick’ all I have to do is switch out the motor by mounting it and plugging in the new one. Hours went by, nothing. He comes in to test the thermostat and it is non-responsive. He tells me to get new batteries, which I did. Then asks me, “these are new?” To which I say, ‘of course’ - you watched me take them out of the box. Then he goes out to his truck for the next 1.5hrs, supposedly speaks with his Supervisor and comes in and tells me that he has fried the system. I reply by saying I will be calling a senior person to speak with them. Called 4 times and never spoke with anyone. Each time I waited on hold for an extended period of time. Each time, I was then told by the answering service that someone would call and never did. Then at 2.45p I am told “everyone has left for the day” and no one would be calling. This was a Thursday, I had been home all day and no one would speak with me. We remain without an AC system, no plan, no calls - - nothing!!! If I could rate them a ZERO, I would,"

Scott M on June 2025


Avatar for Green Mechanical LLC

Green Mechanical LLC

2430 Butler ST Unit 402
5.00(
1
)
Approved Pro

Green Mechanical LLC

2430 Butler ST Unit 402
5.00(
1
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
42 local quotes requested

At Green Mechanical, we pride ourselves in being honest and transparent. Our focus is honesty, quality and integrity. We personally take the time to make sure you are 100% happy with our services! " We are a family-owned company who takes pride in ourselves for being forthright and transparent. Our focus is honesty, quality and integrity. ''

"A Raving Review for Green Mechanical LLC! If you’re looking for the absolute best HVAC service around, look no further than Green Mechanical LLC! This company is truly a gem, and I couldn’t be more thrilled with the incredible service they provided. My heater had been misdiagnosed by another company, leaving my family and me in the cold—literally! Thankfully, I called Green Mechanical LLC, and they completely turned things around. From the moment I called, I knew I was in good hands. Devin Green, the owner himself, came to my house to personally assess the issue. This level of dedication and care is something you just don’t see every day! Devin’s professionalism, deep expertise, and genuine commitment to solving the problem made all the difference. He didn’t just slap on a temporary fix or rush through the job—he made sure to thoroughly diagnose the issue and explain every step of the process to me. A huge shoutout to Jacob and G, who also worked on my system. They were punctual, knowledgeable, and incredibly respectful of my home. Their teamwork and attention to detail were top-notch, and it was clear they take immense pride in their work. Thanks to Devin, Jacob, and G, my heater is now working perfectly, and my family can finally enjoy a warm, comfortable home again! I also want to emphasize how important it is to support small businesses like Green Mechanical LLC. These are the companies that truly care about their customers and their communities. Devin and his team are local experts who go above and beyond to deliver top-notch service, and they deserve every bit of your trust and business. If you need HVAC services—whether it’s a repair, installation, or just regular maintenance—do yourself a favor and call Green Mechanical LLC. Their commitment to excellence, fair pricing, and outstanding customer service make them a company you’ll want to recommend to everyone you know. Thank you, Devin, Jacob, and G, for your amazing work and dedication. You’ve earned a lifelong customer! 🌟"

ELEANOR R on January 2025

At Green Mechanical, we pride ourselves in being honest and transparent. Our focus is honesty, quality and integrity. We personally take the time to make sure you are 100% happy with our services! " We are a family-owned company who takes pride in ourselves for being forthright and transparent. Our focus is honesty, quality and integrity. ''

"A Raving Review for Green Mechanical LLC! If you’re looking for the absolute best HVAC service around, look no further than Green Mechanical LLC! This company is truly a gem, and I couldn’t be more thrilled with the incredible service they provided. My heater had been misdiagnosed by another company, leaving my family and me in the cold—literally! Thankfully, I called Green Mechanical LLC, and they completely turned things around. From the moment I called, I knew I was in good hands. Devin Green, the owner himself, came to my house to personally assess the issue. This level of dedication and care is something you just don’t see every day! Devin’s professionalism, deep expertise, and genuine commitment to solving the problem made all the difference. He didn’t just slap on a temporary fix or rush through the job—he made sure to thoroughly diagnose the issue and explain every step of the process to me. A huge shoutout to Jacob and G, who also worked on my system. They were punctual, knowledgeable, and incredibly respectful of my home. Their teamwork and attention to detail were top-notch, and it was clear they take immense pride in their work. Thanks to Devin, Jacob, and G, my heater is now working perfectly, and my family can finally enjoy a warm, comfortable home again! I also want to emphasize how important it is to support small businesses like Green Mechanical LLC. These are the companies that truly care about their customers and their communities. Devin and his team are local experts who go above and beyond to deliver top-notch service, and they deserve every bit of your trust and business. If you need HVAC services—whether it’s a repair, installation, or just regular maintenance—do yourself a favor and call Green Mechanical LLC. Their commitment to excellence, fair pricing, and outstanding customer service make them a company you’ll want to recommend to everyone you know. Thank you, Devin, Jacob, and G, for your amazing work and dedication. You’ve earned a lifelong customer! 🌟"

ELEANOR R on January 2025


Avatar for Petro Home Services

Petro Home Services

650 Knowles Ave
4.44(
98
)
Approved Pro

Petro Home Services

650 Knowles Ave
4.44(
98
)
Approved Pro
Customers say: True professional
827 local quotes requested
122 years of experience

With over 100 years experience, we know how to keep you comfortable, safe and help you save on energy costs. Our local 24/7 customer service and support means automatic heating oil deliveries and our service response is always fast. We never run out of heating oil plus our pricing and payment plans are designed to help you manage your costs all year round. Experience the Petro difference today!

"Worst service I’ve ever have experienced. They wanted to sell me the product, never told me that there was an early termination fee and another penalty for an initial offer they gave me. Had double charges every month, once for the oil they provided (which they never told me they were going to provide before coming. They just came without my knowledge and then I find a high amount bill) and another for an “automatic payment” for 500 that they never could explain. The didn’t even fix this issue and it kept happening every month even after I cancelled the service. Then having to call them is a hastié for the refund of the 500. Stay away of this company"

Axel R on January 2023

With over 100 years experience, we know how to keep you comfortable, safe and help you save on energy costs. Our local 24/7 customer service and support means automatic heating oil deliveries and our service response is always fast. We never run out of heating oil plus our pricing and payment plans are designed to help you manage your costs all year round. Experience the Petro difference today!

"Worst service I’ve ever have experienced. They wanted to sell me the product, never told me that there was an early termination fee and another penalty for an initial offer they gave me. Had double charges every month, once for the oil they provided (which they never told me they were going to provide before coming. They just came without my knowledge and then I find a high amount bill) and another for an “automatic payment” for 500 that they never could explain. The didn’t even fix this issue and it kept happening every month even after I cancelled the service. Then having to call them is a hastié for the refund of the 500. Stay away of this company"

Axel R on January 2023


Comfort Climate Heating & Cooling LLC

6027 Lansdowne Avenue
5.00(
1
)
Approved Pro

Comfort Climate Heating & Cooling LLC

6027 Lansdowne Avenue
5.00(
1
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
10 years of experience

We can take on a wide range of residential and commercial electrical projects to include full installation for additions and remodels as well as wiring, panel upgrades, and a variety of other projects. We take pride in the quality of our work and our commitment to outstanding results. We look forward to building strong, long term relationships with our clients and guarantee your satisfaction.

"I think he is professional and he always does what he says he is going to do."

MIke L on September 2019

We can take on a wide range of residential and commercial electrical projects to include full installation for additions and remodels as well as wiring, panel upgrades, and a variety of other projects. We take pride in the quality of our work and our commitment to outstanding results. We look forward to building strong, long term relationships with our clients and guarantee your satisfaction.

"I think he is professional and he always does what he says he is going to do."

MIke L on September 2019


Avatar for PerfecTemp Inc.

PerfecTemp Inc.

1243 Pennsylvania Ave.
4.96(
12
)
Approved Pro

PerfecTemp Inc.

1243 Pennsylvania Ave.
4.96(
12
)
Approved Pro
Customers say: Quality work
36 local quotes requested
25 years of experience

PerfecTemp is a leading HVAC company servicing the Greater Lehigh Valley and beyond. We guarantee we have the solution you need at the price you want and the service standard you deserve. PerfecTemp is fully licensed and insured. We guarantee 100% customer satisfaction with every project

"Explained everything that was being done and isolated the problem rather quickly. Matt was professional and effective. Highly recommend their services."

Chris Y on June 2025

PerfecTemp is a leading HVAC company servicing the Greater Lehigh Valley and beyond. We guarantee we have the solution you need at the price you want and the service standard you deserve. PerfecTemp is fully licensed and insured. We guarantee 100% customer satisfaction with every project

"Explained everything that was being done and isolated the problem rather quickly. Matt was professional and effective. Highly recommend their services."

Chris Y on June 2025


Avatar for Patriot Heating and Cooling

Patriot Heating and Cooling

2437 Durham Road
New on AngiNew on Angi
Approved Pro

Patriot Heating and Cooling

2437 Durham Road
New on AngiNew on Angi
Approved Pro
57 local quotes requested
14 years of experience

Patriot Heating and Cooling is a family owned and operated business with over 40 years of experience in the construction and heating industries. As the leader in tank and energy solutions in our area, Superior offers a wide range of residential and commercial services, large and small, including tank removals, tank installations, tank service/repair, tank inspections and heating and energy solutions. We also provide complete environmental remediation services and emergency spill/leak response. Patriot Heating and Cooling, call us today!

Patriot Heating and Cooling is a family owned and operated business with over 40 years of experience in the construction and heating industries. As the leader in tank and energy solutions in our area, Superior offers a wide range of residential and commercial services, large and small, including tank removals, tank installations, tank service/repair, tank inspections and heating and energy solutions. We also provide complete environmental remediation services and emergency spill/leak response. Patriot Heating and Cooling, call us today!


Avatar for Springfield Plumbing, LLC

Springfield Plumbing, LLC

3 Summit Valley Lane
4.87(
288
)
Approved Pro

Springfield Plumbing, LLC

3 Summit Valley Lane
4.87(
288
)
Approved Pro
Customers say: True professional
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
96 local quotes requested

Here at Springfield Plumbing, LLC, we pride ourselves on commitment to our homeowners. With attention to detail and a genuine concern for their needs, you won't be disappointed or overcharged for our services. Call today and set the appointment!

"They were quick to respond to my request. Next day installation went well: on time, quick, professional, and neat."

Lee W on August 2025

Here at Springfield Plumbing, LLC, we pride ourselves on commitment to our homeowners. With attention to detail and a genuine concern for their needs, you won't be disappointed or overcharged for our services. Call today and set the appointment!

"They were quick to respond to my request. Next day installation went well: on time, quick, professional, and neat."

Lee W on August 2025


Avatar for Marshall Services

Marshall Services

2067 Bridge Road
4.40(
101
)
Approved Pro

Marshall Services

2067 Bridge Road
4.40(
101
)
Approved Pro
Customers say: Quick response
139 local quotes requested
79 years of experience

We believe that all of our clients are family. Our mission is to provide all of our family members total indoor comfort, at an affordable price. Some of the many ways we do that are: installation and servicing of natural and propane gas appliances, oil heating appliances, heat pumps, air-conditioning, plumbing, fuel oil delivery, and we have an Indoor Air Quality Expert on staff. If you want a local family owned, well trained staff of drug tested, criminal background checked technicians to come to your home and solve your problem, call us!

"Marshall Services was great!"

Howard S on March 2025

We believe that all of our clients are family. Our mission is to provide all of our family members total indoor comfort, at an affordable price. Some of the many ways we do that are: installation and servicing of natural and propane gas appliances, oil heating appliances, heat pumps, air-conditioning, plumbing, fuel oil delivery, and we have an Indoor Air Quality Expert on staff. If you want a local family owned, well trained staff of drug tested, criminal background checked technicians to come to your home and solve your problem, call us!

"Marshall Services was great!"

Howard S on March 2025


Maggs Mechanical Services LLC

No reviews yet

Maggs Mechanical Services LLC

No reviews yet
2 years of experience

Maggs Mechanical Services has over a decade of experience providing heating, and air conditioning preventative maintenance, repair, and installation. Veteran owned and operated I know the value of honesty, and integrity. Guaranteed low pricing on seasonal tune ups, repairs, mini split applications, and whole house systems.

Maggs Mechanical Services has over a decade of experience providing heating, and air conditioning preventative maintenance, repair, and installation. Veteran owned and operated I know the value of honesty, and integrity. Guaranteed low pricing on seasonal tune ups, repairs, mini split applications, and whole house systems.

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Heating Oil questions, answered by experts

NATE-certified technicians may charge slightly higher service fees compared to non-certified technicians. This is because NATE certification signifies a higher level of expertise and professionalism, often leading to more efficient and effective HVAC repairs and installations. While the upfront cost may be marginally higher, NATE-certified technicians can potentially save you money in the long run by reducing energy consumption, preventing frequent breakdowns, and extending the life span of your HVAC system. When looking for a local HVAC company to hire, it never hurts to ask about NATE certifications.

DIY maintenance like filter cleaning is possible, but professional servicing ensures proper pressure, refrigerant levels, and loop performance.

You can expect a geothermal system to last for years. According to the Department of Energy, the underground infrastructure for the heat pumps lasts about 25 to 50 years, which includes the pipes buried in the soil. The actual heat pump itself has a life span of around 25 years.

An evaporator or swamp cooler is a common alternative for small spaces. These coolers blow moist air into a space to help cool it down. They are more affordable than misters and use much less water. However, coolers will not have the same cooling effect as misters, cannot help plants survive the heat, and only reach a small area.

Your HVAC manufacturer will give you instructions on how often you should service your system. Have your unit professionally serviced at least once a year when in doubt. 

Heat pump systems are different because they provide heating and cooling solutions for your home. In this case, you should have it serviced at least twice a year.

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