Get matched with top energy efficiency auditors in Darlington, MD

Horizon Services

Customers say: Quick response

Recommended by 93% of Angi customers

1987 years of experience

When you need A/C, 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.

"Very well. They were very professional and efficient."

Barbara B on January 2023

"Very well. They were very professional and efficient."

Barbara B on January 2023

Aire Serv of Bel Air

4.60(

Aire Serv of Bel Air

4.60(

Customers say: Quick response

1999 years of experience

Free onsite estimate

There are many reasons to confidently choose Aire Serv as your provider of heater and air conditioning services—both commercial and residential. With more than 200 locations throughout the United States and Canada, Aire Serv is a trusted name in the field of heating and air conditioning installation, maintenance, and repair. We are proud of our reputation for putting clients first and getting the job done right the first time, every time. No Overtime Charge Anytime Service Upfront Pricing Fixed Right Promise Expert Service Professionals Testimonials Advantage Plan (Maintenance Plan) Guarantees Flexible Financing over $200 SERVICES Installation Gas Furnaces Oil Furnaces Air Conditioning Systems Heat Pump Systems Mini Split Systems Oil Boilers Gas Boilers Modulating Boilers Commercial Boilers Water Heaters Oil Tanks Oil Lines Gas Lines Duct Work Service Gas Furnace Repairs Oil Furnace Repairs Air Conditioning Repairs Heat Pump Repairs Mini Split Repairs Oil Boilers Repairs Gas Boiler Repairs Modulating Boiler Repairs Commercial Boiler Repairs Gas Leak Detection Propane Leak Detection Oil Water Tests Maintenance Gas Furnace Tune Up Oil Furnace Tune Up Air Conditioning Tune up Heat Pump Tune up Mini Split Tune up Oil Boiler Tune up Gas Tune up Modulating Tune up Commercial Tune up Duct Cleaning Cleaning Sanitization Maintenance Sealing Replacement Dryer vent cleaning Video inspection Air purifier installation Antimicrobial coating treatments Duct leak testing

"Sunday 6/22 my mom's air conditioner was struggling. We called Aireserv who set up for their tech Bryson Bean to come out to mom's house. From the bright greeting smile as he introduced himself to the going over everything he was very professional and patient with all my questions. Highly recommend Aireserv for any of your heating and air conditioning issues. Thank you Bryson for being so you and personable."

Karen B on June 2025

"Sunday 6/22 my mom's air conditioner was struggling. We called Aireserv who set up for their tech Bryson Bean to come out to mom's house. From the bright greeting smile as he introduced himself to the going over everything he was very professional and patient with all my questions. Highly recommend Aireserv for any of your heating and air conditioning issues. Thank you Bryson for being so you and personable."

Karen B on June 2025

Elysian Energy, LLC

New on AngiNew on Angi

Elysian Energy, LLC

New on AngiNew on Angi

2007 years of experience

Free onsite estimate

Elysian Energy, LLC is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have over 50 years of hands on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!

Quality Insulation

4.99(

522

Quality Insulation

4.99(

522

Recommended by 99% of Angi customers

Owner operated. Award winning. Quality Insulation

"The company deserves 1000 stars l. Chris came and gave a well thorough inspection and estimate of my actic. Had my concerns and expectations, I had several other companies come and give quotes for double the price. Especially ORKIN. Orkin tried to use care tactics to sign contract without any explanation. Chris gave the quote and the crew arrived a week later as scheduled. Chris has a great work crew who were professional , caring, and did high quality work. Every step of the way, I was communicated and was filled in. I was shown before , during and after photos. And end results were UNBELIEVABLE Chris is fair and honest, he gives reasonable prices and will not take advantage of his customers."

Andrew K on November 2024

Owner operated. Award winning. Quality Insulation

"The company deserves 1000 stars l. Chris came and gave a well thorough inspection and estimate of my actic. Had my concerns and expectations, I had several other companies come and give quotes for double the price. Especially ORKIN. Orkin tried to use care tactics to sign contract without any explanation. Chris gave the quote and the crew arrived a week later as scheduled. Chris has a great work crew who were professional , caring, and did high quality work. Every step of the way, I was communicated and was filled in. I was shown before , during and after photos. And end results were UNBELIEVABLE Chris is fair and honest, he gives reasonable prices and will not take advantage of his customers."

Andrew K on November 2024

Advanced Green Home Solutions

Advanced Green Home Solutions

Recommended by 100% of Angi customers

ANNAPOLIS AND HANOVER, MD: Award-Winning BGE, Pepco and Delmarva Power certified Home Energy Audits, Insulation, Air Sealing, Solar, and HVAC -- all with utility rebates. We fix your home's energy efficiency from the inside out. Unlike many contractors, we discount your utility rebate immediately on your proposed work scope, so you don't have to wait for the check in the mail. Angi Super Service Award winners each year from 2016 to 2023! MBE certified Woman Owned Business. Our weatherization crew consists of our own in-house and full-time Lead Carpenter and trained Retrofit Technicians for high quality control. Advanced Green Home Solutions is an elite BPI GoldStar Contractor. Contact us for the $100 Comprehensive Home Performance Audit to qualify for rebates or the No-Additional Cost Quick Home Energy Check-Up (QHEC) in BGE, Pepco, and Delmarva Power areas.

"Great service and professionalism Team was knowledgeable"

Keshia G on October 2023

"Great service and professionalism Team was knowledgeable"

Keshia G on October 2023

Elmar Services

4.91(

185

Elmar Services

4.91(

185

Recommended by 97% of Angi customers

Elmar Services., an independent and family-owned heating and air conditioning business, has been serving residential and commercial customers for over a decade. We have made it our mission to treat customers as family, making sure they feel comfortable from the first impression to the end of service while maintaining a high level of excellence and professionalism. All of the equipment we use and recommend is certified to be of exceptional quality. Additionally, we constantly strive to stay competitive with our prices while serving you with the utmost quality. In an emergency, Elmar Services will make sure you and your family are taken care of. And since a major portion of our business comes from referrals, our continued success is a reflection of our commitment to our customers. We are also a proud member of DuctlessAmerica.com, a one stop shop for ductless products.

"They were very good HVAC company. They were very good. My dad really liked them. They were awesome and excellent. They left good impression on my parents. The price was reasonable. My parents had a great exprience."

Jesse S on December 2022

"They were very good HVAC company. They were very good. My dad really liked them. They were awesome and excellent. They left good impression on my parents. The price was reasonable. My parents had a great exprience."

Jesse S on December 2022

Maryland Solar Solutions Inc

Maryland Solar Solutions Inc

Customers say: Quick response

Recommended by 100% of Angi customers

Maryland Solar Solutions Inc is a full-service, turn-key solar integrator serving all of Maryland. We provide grid-tied solar electric (photovoltaic) systems. We design, install & monitor. We handle all necessary documentation for grants, permitting & interconnection. We partner with a licensed electrician & other solar installation professionals as the need arises. 5 year warranty, 5 year monitoring & maintenance packages offered with all systems. Financing available.

"Great! Professional, patient and they do outstanding work. Although MSSI was more expensive than the other 3 companies from whom we received quotes, the extra money was more than worth it given their willingness to walk us through the process and respond to our many questions. Although I think I'm pretty well educated, I would highly recommend that a potential solar customer work with MSSI and pay the extra money--it'll save time and frustration in the long-run. An additional perk is that this is a woman-owned, US military veteran-owned company."

David M on April 2021

"Great! Professional, patient and they do outstanding work. Although MSSI was more expensive than the other 3 companies from whom we received quotes, the extra money was more than worth it given their willingness to walk us through the process and respond to our many questions. Although I think I'm pretty well educated, I would highly recommend that a potential solar customer work with MSSI and pay the extra money--it'll save time and frustration in the long-run. An additional perk is that this is a woman-owned, US military veteran-owned company."

David M on April 2021

Arundel Cooling Heating & Electrical Co Inc

4.68(

637

Arundel Cooling Heating & Electrical Co Inc

4.68(

637

Customers say: Super punctual

Recommended by 91% of Angi customers

Locally owned & operated. Alternate Business Name: Arundel Electric. Additional phone numbers: (410) 465-4188, (410) 730-6900, (410) 744-3800, (410) 647-2626. 1-888-ARUNDEL within Maryland. See website for more details .

"Terrible. Scam Artist. I was supposed to just get a cleaning AFTER another company came to unclog my AC pipe. Somehow after they come to clean they turn off my heat (which was never an issue) and are telling me i have $1,000 to repair it. PLEASE BEWARE. I'm filing a complaint with the BBB and possibly the courthouse. The owner says he knows for a fact his Technicians don't lie. That speaks volumes being its a lie."

Kelly H on December 2021

"Terrible. Scam Artist. I was supposed to just get a cleaning AFTER another company came to unclog my AC pipe. Somehow after they come to clean they turn off my heat (which was never an issue) and are telling me i have $1,000 to repair it. PLEASE BEWARE. I'm filing a complaint with the BBB and possibly the courthouse. The owner says he knows for a fact his Technicians don't lie. That speaks volumes being its a lie."

Kelly H on December 2021

Ecobeco

4.75(

Ecobeco

4.75(

2008 years of experience

ecobeco provides Design Build (including Remodeling, Kitchens, Bathrooms, Additions, Porches, and more), Energy Efficiency (including Energy Audits and Energy Upgrades), Breathe Easy Indoor Air Quality, and Handyman Services. Founded in 2008, we have won the Angie's List Super Service Award 4 times. We believe that all homeowners should live in a comfortable, efficient, healthy home. ecobeco is your trusted partner for whole home design that impacts you and your family, your community, and the environment in positive ways. We're building scientists at our core, and our multi-disciplinary team of energy auditors, general contractors, architects and interior designers will diagnose and solve your concerns about home renovations and remodeling, energy efficiency, comfort, and indoor air quality. Your quality of life IS our business.

"In 2017, I contracted with them via Pepco because the 2nd floor rooms were hotter than the rest of the house, costing me greater A/C expenses. I worked with them on an energy audit to the upstairs bedrooms, removal of the acoustic ceiling tile in one room, addition/improvement of insulation, sealing in kneewalls, installation of new ceiling, insulation in the basement, and a follow-up energy audit. The auditor was very prompt and friendly but the workers didn't do an good job. The contractor was flaky. The HVAC crew were sloppy. The drywall installer/carpenter did a low-grade job by using low grade wood for the knee wall doors, and he set the ceiling inappropriately for house settling (now there are cracks between ceiling and walls). The energy audit following the work showed improvement but I'll need additional solutions to get the house to a more efficient state. I shared my disappointment with them and in 2018 they refinished cracking drywall ceiling without charge and replaced the doors - still not quality. They were bought by Minnick's, with whom in 2019 I scheduled an estimate for additional HVAC solutions for the upstairs. Minnick's jerked me around, never gave a complete estimate (I had to keep asking if it included what we discussed) and the estimate was exponentially more pricey than others and they proposed a solution that wouldn't solve the problem. I wouldn't recommend them at all."

Lauren R on March 2020

"In 2017, I contracted with them via Pepco because the 2nd floor rooms were hotter than the rest of the house, costing me greater A/C expenses. I worked with them on an energy audit to the upstairs bedrooms, removal of the acoustic ceiling tile in one room, addition/improvement of insulation, sealing in kneewalls, installation of new ceiling, insulation in the basement, and a follow-up energy audit. The auditor was very prompt and friendly but the workers didn't do an good job. The contractor was flaky. The HVAC crew were sloppy. The drywall installer/carpenter did a low-grade job by using low grade wood for the knee wall doors, and he set the ceiling inappropriately for house settling (now there are cracks between ceiling and walls). The energy audit following the work showed improvement but I'll need additional solutions to get the house to a more efficient state. I shared my disappointment with them and in 2018 they refinished cracking drywall ceiling without charge and replaced the doors - still not quality. They were bought by Minnick's, with whom in 2019 I scheduled an estimate for additional HVAC solutions for the upstairs. Minnick's jerked me around, never gave a complete estimate (I had to keep asking if it included what we discussed) and the estimate was exponentially more pricey than others and they proposed a solution that wouldn't solve the problem. I wouldn't recommend them at all."

Lauren R on March 2020

R BROOKS MECHANICAL

R BROOKS MECHANICAL