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*The Angi rating for Energy Efficiency Auditing companies in Odessa, DE is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Energy Efficiency Auditing needs.
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Last update on November 22, 2025
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Aire Serv of Newark & Middletown
Aire Serv of Newark & Middletown
If you are looking for a full service HVAC business, air conditioning repair company, heating repair service, or furnace repair provider, look no further than Aire Serv. At Aire Serv you will receive licensed and knowledgeable heating and air conditioning repair technicians that provide you with upfront pricing and some of the best written guarantees in the business, like our 100% satisfaction guarantee on all heating and air conditioning services. Call Aire Serv today or request an appointment online!
"Everything went well. No surprises. Would hire again"
Wanda F on August 2024
If you are looking for a full service HVAC business, air conditioning repair company, heating repair service, or furnace repair provider, look no further than Aire Serv. At Aire Serv you will receive licensed and knowledgeable heating and air conditioning repair technicians that provide you with upfront pricing and some of the best written guarantees in the business, like our 100% satisfaction guarantee on all heating and air conditioning services. Call Aire Serv today or request an appointment online!
"Everything went well. No surprises. Would hire again"
Wanda F on August 2024

Horizon Services
Horizon Services
When you need AC heating or plumbing services, look no further than Horizon Services. For nearly 30 years, we’ve been the trusted name in plumbing heating, and air conditioning, offering an unmatched level of service at reasonable rates.
"This year it has been several heat waves and in early May 2022, our HVAC (Heating and Cooling system) finally died. Granted, our late mother purchased this equipment in 1999 so my family knew it would eventually die. We just did not intend it to die during several boughs of bad heat waves. By the memorial weekend, we knew we could not postpone the inevitable and began looking for a company that would install at the earliest availability. We received several estimates but we were told that their availability was closed until the end of June. The only one that had an immediate installation date was Horizon Services. We were ignorant and naive to believe that this company had our best intentions. We rushed our research and did not check Better Business Bureau. If we had, we would have realized that Horizon Services was bad news and a company that needed to be avoided at all costs. Their motto was ‘Experience the Horizon Difference’ but unfortunately, this experience was indeed a different experience I cannot say it has been positive but it is indeed a memorable nightmare. During Memorial Day weekend, we had an appointment with Horizon Services’ Tony Gonzalez, the Comfort Specialist Manager, to evaluate our house to ascertain what our needs and concerns were. This whole process took half an hour to an hour to determine what is needed. We signed the contract and Tony scheduled our installation date for June 8. Despite the amount of $26,025 for the unit, we were ecstatic since we would no longer suffer from the heat wave and would have heat during the cold winter nights. Our family selected the allergy-sensitive unit because of our sensitivity to allergies. My younger sister often brings our half-sister’s dog, Sam who is fourteen years old, from Rhode Island where she works and I have two domesticated rabbits that also reside with me. Neither one of these animals was not permitted to be in excess heat or they will die from breathing issues. My sister is also Type 1 Diabetic and I have severe allergies that can resemble asthmatic symptoms when my allergies are at their worst. The day of the installation came and I met Horizon Services’ Steven Gibbs and John, who would be installing the brand new heating and cooling system. It took them two days to install since they had to wait for the chimney company to check our chimney before installing the liner. It seemed that it was all good to be true. Both Steve and John answered my concerns and showed me how to use the system. While John was showing me the system, I set the thermostat and informed him that I would not be changing the temperature until wintertime since I was incredibly nervous regarding this expensive system. We had a ten-year warranty but we knew that if something would to go wrong we would void our contracts and would be liable for any further requirements this new system would need. So this in mind, I decided to play it safe and did not want to do anything that might damage the system. Before leaving, Steve and John advised me that my air ducts and venting should be cleaned but unfortunately, Horizon Services did not perform these services and had to seek out other companies. I thanked the two gentlemen as they left and began researching for Air Duct and Venting company. I was not able to schedule an appointment until two weeks later but I was informed by both Steve and John that this would help circulate and navigate the cooling of the house. Unfortunately, this was not the case. While the downstairs of the house was 72 degrees, the upstairs was ten degrees higher. My family and I were completely confused since not only did we finance this system for $26,025 but we did what was suggested to us, which was to clean our Air Ducts and Venting system. We began calling Horizon Services and asking the company to come to check out our new units because, for the price we are financing, we believe the whole house should be cool not just partial. Each time a new Horizon Services technician came, we were told one thing after another. Based on my observation the technicians did not have ample knowledge and this information was confirmed by Chris Risi, Operations Manager for Horizon Services, and my private electrician. Not only were the technicians unknowledgeable, but they were also rushing each visit. Each one insisted on leaving after arriving fifteen to thirty minutes earlier. They seemed to be constantly guessing what the issue was rather than opening the newly installed unit to determine if there was a faulty part that caused the system to malfunction. These questions made me wonder if this might have been the reason why the problem with my unit was not resolved sooner since they were rushing jobs and they refused to open the unit. Our family had hired a private electrician to update the sockets of the house and basement lighting. On July 21, we noticed that the whole heating and cooling system was no longer working and we were baffled as to what was going on. We knew that the electrician did not touch the new system and was confused as to what was going on. The electrician advised us to contact Horizon Services to determine what was going on because it was once again a heat wave. On July 22, Jermaine from Horizon Services came and he inquired as to the top section on the vents that were adjacent to the unit since it was related to how the unit was malfunctioning. I informed him there was an electrician that came out but the electrician did not touch the new unit. He waited fifteen to thirty minutes for our private electrician to come but bolted before our electrician came. Before he left, Jermaine provided us with a bill for over $90.00. I was confused since there was a warranty on the unit and I was told that it would be ten years. Nonetheless, I was charged a service charge for that amount. After our electrician arrived, I tried to obtain a new Horizon Services technician but the next available one was the following day. The company also informed me that they would be sending a Senior Warranty Technician to evaluate our unit. The following day, Horizon Services sent Robert Rivera, a Senior Warranty Technician to our residence. Immediately, the man did not want to be there and his personality was irritable and unwilling to stay. He reiterated what Jermaine stated the other day and I immediately called our electrician before they could further blame him for any wrongdoing caused on Horizon’s part. After our electrician came, it was discovered that the installation techs, Steve and John, did not install the system in the right breaker. On the circuit breaker, the unit was labeled under thirteen and the dishwasher under fifteen but in actuality, the heating and cooling unit were under fifteen instead. Also, our electrician also discovered that one of the breakers was broken and had to be replaced by him the week before but we knew that it was damaged by Horizon Services since they were the only ones to come prior to our electrician. Our family began to wonder what else could have been incorrectly installed or rewired by this company. Our electrician informed us that Robert Rivera did not want to be there and that he was whining and complaining that he had to be there. Secondly, our electrician also informed me that he had to explain what a neutral was and how to check the electrical power. We are confused when the electrician informed us of this information since not only was he a Senior Warranty Technician but he was supposedly trained by Horizon Services and to our knowledge, should have certification and ample training to install and diagnose each problem their system had. If these could not even differentiate between wiring then what business did they have installed this system and could it be related to our furnace being completely broken? After the electrician left, we were informed that the furnace had burned and it was the smell that was omitted on Thursday night. It was only at this moment that Robert Rivera opened the unit to peruse the system and it was revealed that the whole system needed to be replaced. This was completely different from what the"
Millgrace U on October 2022
When you need AC heating or plumbing services, look no further than Horizon Services. For nearly 30 years, we’ve been the trusted name in plumbing heating, and air conditioning, offering an unmatched level of service at reasonable rates.
"This year it has been several heat waves and in early May 2022, our HVAC (Heating and Cooling system) finally died. Granted, our late mother purchased this equipment in 1999 so my family knew it would eventually die. We just did not intend it to die during several boughs of bad heat waves. By the memorial weekend, we knew we could not postpone the inevitable and began looking for a company that would install at the earliest availability. We received several estimates but we were told that their availability was closed until the end of June. The only one that had an immediate installation date was Horizon Services. We were ignorant and naive to believe that this company had our best intentions. We rushed our research and did not check Better Business Bureau. If we had, we would have realized that Horizon Services was bad news and a company that needed to be avoided at all costs. Their motto was ‘Experience the Horizon Difference’ but unfortunately, this experience was indeed a different experience I cannot say it has been positive but it is indeed a memorable nightmare. During Memorial Day weekend, we had an appointment with Horizon Services’ Tony Gonzalez, the Comfort Specialist Manager, to evaluate our house to ascertain what our needs and concerns were. This whole process took half an hour to an hour to determine what is needed. We signed the contract and Tony scheduled our installation date for June 8. Despite the amount of $26,025 for the unit, we were ecstatic since we would no longer suffer from the heat wave and would have heat during the cold winter nights. Our family selected the allergy-sensitive unit because of our sensitivity to allergies. My younger sister often brings our half-sister’s dog, Sam who is fourteen years old, from Rhode Island where she works and I have two domesticated rabbits that also reside with me. Neither one of these animals was not permitted to be in excess heat or they will die from breathing issues. My sister is also Type 1 Diabetic and I have severe allergies that can resemble asthmatic symptoms when my allergies are at their worst. The day of the installation came and I met Horizon Services’ Steven Gibbs and John, who would be installing the brand new heating and cooling system. It took them two days to install since they had to wait for the chimney company to check our chimney before installing the liner. It seemed that it was all good to be true. Both Steve and John answered my concerns and showed me how to use the system. While John was showing me the system, I set the thermostat and informed him that I would not be changing the temperature until wintertime since I was incredibly nervous regarding this expensive system. We had a ten-year warranty but we knew that if something would to go wrong we would void our contracts and would be liable for any further requirements this new system would need. So this in mind, I decided to play it safe and did not want to do anything that might damage the system. Before leaving, Steve and John advised me that my air ducts and venting should be cleaned but unfortunately, Horizon Services did not perform these services and had to seek out other companies. I thanked the two gentlemen as they left and began researching for Air Duct and Venting company. I was not able to schedule an appointment until two weeks later but I was informed by both Steve and John that this would help circulate and navigate the cooling of the house. Unfortunately, this was not the case. While the downstairs of the house was 72 degrees, the upstairs was ten degrees higher. My family and I were completely confused since not only did we finance this system for $26,025 but we did what was suggested to us, which was to clean our Air Ducts and Venting system. We began calling Horizon Services and asking the company to come to check out our new units because, for the price we are financing, we believe the whole house should be cool not just partial. Each time a new Horizon Services technician came, we were told one thing after another. Based on my observation the technicians did not have ample knowledge and this information was confirmed by Chris Risi, Operations Manager for Horizon Services, and my private electrician. Not only were the technicians unknowledgeable, but they were also rushing each visit. Each one insisted on leaving after arriving fifteen to thirty minutes earlier. They seemed to be constantly guessing what the issue was rather than opening the newly installed unit to determine if there was a faulty part that caused the system to malfunction. These questions made me wonder if this might have been the reason why the problem with my unit was not resolved sooner since they were rushing jobs and they refused to open the unit. Our family had hired a private electrician to update the sockets of the house and basement lighting. On July 21, we noticed that the whole heating and cooling system was no longer working and we were baffled as to what was going on. We knew that the electrician did not touch the new system and was confused as to what was going on. The electrician advised us to contact Horizon Services to determine what was going on because it was once again a heat wave. On July 22, Jermaine from Horizon Services came and he inquired as to the top section on the vents that were adjacent to the unit since it was related to how the unit was malfunctioning. I informed him there was an electrician that came out but the electrician did not touch the new unit. He waited fifteen to thirty minutes for our private electrician to come but bolted before our electrician came. Before he left, Jermaine provided us with a bill for over $90.00. I was confused since there was a warranty on the unit and I was told that it would be ten years. Nonetheless, I was charged a service charge for that amount. After our electrician arrived, I tried to obtain a new Horizon Services technician but the next available one was the following day. The company also informed me that they would be sending a Senior Warranty Technician to evaluate our unit. The following day, Horizon Services sent Robert Rivera, a Senior Warranty Technician to our residence. Immediately, the man did not want to be there and his personality was irritable and unwilling to stay. He reiterated what Jermaine stated the other day and I immediately called our electrician before they could further blame him for any wrongdoing caused on Horizon’s part. After our electrician came, it was discovered that the installation techs, Steve and John, did not install the system in the right breaker. On the circuit breaker, the unit was labeled under thirteen and the dishwasher under fifteen but in actuality, the heating and cooling unit were under fifteen instead. Also, our electrician also discovered that one of the breakers was broken and had to be replaced by him the week before but we knew that it was damaged by Horizon Services since they were the only ones to come prior to our electrician. Our family began to wonder what else could have been incorrectly installed or rewired by this company. Our electrician informed us that Robert Rivera did not want to be there and that he was whining and complaining that he had to be there. Secondly, our electrician also informed me that he had to explain what a neutral was and how to check the electrical power. We are confused when the electrician informed us of this information since not only was he a Senior Warranty Technician but he was supposedly trained by Horizon Services and to our knowledge, should have certification and ample training to install and diagnose each problem their system had. If these could not even differentiate between wiring then what business did they have installed this system and could it be related to our furnace being completely broken? After the electrician left, we were informed that the furnace had burned and it was the smell that was omitted on Thursday night. It was only at this moment that Robert Rivera opened the unit to peruse the system and it was revealed that the whole system needed to be replaced. This was completely different from what the"
Millgrace U on October 2022
Nabree Hvac
Nabree Hvac
Servicing residential and Commercial heating and cooling units. Install forced air systems, And boiler systems. Duct installers and Duct cleaning. Hvac equipment inspections. Such as troubleshooting.
"Navarre was the second person that came out to service the heater and he found the problem and was very professional. I would recommend him to come out if you need a Hvac."
Sheila W on February 2022
Servicing residential and Commercial heating and cooling units. Install forced air systems, And boiler systems. Duct installers and Duct cleaning. Hvac equipment inspections. Such as troubleshooting.
"Navarre was the second person that came out to service the heater and he found the problem and was very professional. I would recommend him to come out if you need a Hvac."
Sheila W on February 2022

Desmond Heating and Cooling Solutions
Desmond Heating and Cooling Solutions
Our mission is to be a provider that brings back the personal touch with our customers. We will build a relationship that will last a lifetime after you see our quality work. As a locally owned and operated business we feel invested in our clients and constantly strive for customer satisfaction. We won't leave until the job is done right! Call or click to schedule an estimate today!
"Desmond and his team are amazing! "
Marilyn S on July 2025
Our mission is to be a provider that brings back the personal touch with our customers. We will build a relationship that will last a lifetime after you see our quality work. As a locally owned and operated business we feel invested in our clients and constantly strive for customer satisfaction. We won't leave until the job is done right! Call or click to schedule an estimate today!
"Desmond and his team are amazing! "
Marilyn S on July 2025

USA Alarm Service, Inc
USA Alarm Service, Inc
USA Alarm is a national company that has more than two decades of experience and an award winning command center that protects more than 700,000 homes and businesses through the United States, 24 hours a day and 7 days a week. We have offices located throughout the US, with two main offices in Indianapolis, Indiana and Post Falls, Idaho.
USA Alarm is a national company that has more than two decades of experience and an award winning command center that protects more than 700,000 homes and businesses through the United States, 24 hours a day and 7 days a week. We have offices located throughout the US, with two main offices in Indianapolis, Indiana and Post Falls, Idaho.
All Trades Combined, Inc.
All Trades Combined, Inc.
We are general mechanical electrical contractors specializing in residential and commercial applications your one stop shop for all your needs
"We hired this contractor almost a year ago to do various projects. The work was supposed to be finished in 10 days according to the contract. We are here almost a year later and there is still work that is unfinished. I paid Martin before all of the work was completed, and I can’t get ahold of him to finish the work now. The pipe still hasn’t been cut, and there is still a huge piece of concrete in our side yard. I’m not sure what to do now."
Franklyn R on August 2021
We are general mechanical electrical contractors specializing in residential and commercial applications your one stop shop for all your needs
"We hired this contractor almost a year ago to do various projects. The work was supposed to be finished in 10 days according to the contract. We are here almost a year later and there is still work that is unfinished. I paid Martin before all of the work was completed, and I can’t get ahold of him to finish the work now. The pipe still hasn’t been cut, and there is still a huge piece of concrete in our side yard. I’m not sure what to do now."
Franklyn R on August 2021
North East Home Energy Savers
North East Home Energy Savers
We are a home energy audit company located in Newark Delaware.
We are a home energy audit company located in Newark Delaware.
H2 Group, INC
H2 Group, INC
H2 Group, is a leading energy efficient home contractor.
H2 Group, is a leading energy efficient home contractor.
McGillen Electric Inc
McGillen Electric Inc
McGillen Electric, Inc. is a coming of age company that is family oriented with old fashioned values. We currently have 6 people employed and growing. We keep our prices reasonable and offer financing options if necessary. The company also offers warranties on all of our work. We are willing to do whatever it takes to make sure you are happy with our work. We are YOUR electricians.
McGillen Electric, Inc. is a coming of age company that is family oriented with old fashioned values. We currently have 6 people employed and growing. We keep our prices reasonable and offer financing options if necessary. The company also offers warranties on all of our work. We are willing to do whatever it takes to make sure you are happy with our work. We are YOUR electricians.
Delta Infrared Technologies, LLC
Delta Infrared Technologies, LLC
We are a full service Infrared Energy Audit firm. We do not sub-contract any of our services and are family owned. Payment is due when services are rendered.
We are a full service Infrared Energy Audit firm. We do not sub-contract any of our services and are family owned. Payment is due when services are rendered.
The Odessa, DE homeowners’ guide to energy efficiency auditing services
From average costs to expert advice, get all the answers you need to get your job done.
•Discover the average home energy audit cost, what impacts pricing, and how to save money on your audit. Get transparent, expert-backed cost info for homeowners.

A home energy audit is a detailed write-up of how to lower your utility bills and increase your comfort level. Find out if they’re worth the cost.
•Get a detailed breakdown of thermal imaging home inspection costs, including average prices, cost factors, and tips to help homeowners budget.

Home energy audits can identify ways to make your home more energy-efficient. Learn whether an energy audit is a good investment for your home.
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