Trident Mechanical Systems Inc is a trusted family owned heating and air conditioning company serving Concord, NC and the surrounding area. We pledge to provide you with the best service possible while making you feel like you are part of our family. We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Book with us online or feel free to give us a call today!
"These guys were great! No matter who you buy from the equipment is very similar. The difference is the people. Theyâ re honest, on time and will give you a fair price with great work. If you have any HVAC needs we highly recommend you call Trident Mechanical."
Patrick M on January 2021
Trident Mechanical Systems Inc is a trusted family owned heating and air conditioning company serving Concord, NC and the surrounding area. We pledge to provide you with the best service possible while making you feel like you are part of our family. We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Book with us online or feel free to give us a call today!
"These guys were great! No matter who you buy from the equipment is very similar. The difference is the people. Theyâ re honest, on time and will give you a fair price with great work. If you have any HVAC needs we highly recommend you call Trident Mechanical."
Patrick M on January 2021
Welcome to DB Mechanical Heating and Cooling, LLC! Since opening our doors in 2015, we have been proud to service Charlotte and the surround areas. With over 15 years experience, no project is too big or too small for us to handle and customer satisfaction is always guaranteed. Give us a call, we can't wait to work with you!
Welcome to DB Mechanical Heating and Cooling, LLC! Since opening our doors in 2015, we have been proud to service Charlotte and the surround areas. With over 15 years experience, no project is too big or too small for us to handle and customer satisfaction is always guaranteed. Give us a call, we can't wait to work with you!
Subnet Zero Air Condition and Heating 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.
"Reagan called to ask about my issue with my AC, and made time to come by my house the same day. He called prior to arriving and came at the time he said he’d be here. He was professional, courteous and informative. I would recommend him, and will absolutely contact him again for future HVAC needs."
Amy G on August 2021
Subnet Zero Air Condition and Heating 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.
"Reagan called to ask about my issue with my AC, and made time to come by my house the same day. He called prior to arriving and came at the time he said he’d be here. He was professional, courteous and informative. I would recommend him, and will absolutely contact him again for future HVAC needs."
Amy G on August 2021
At L3 HVAC, we strive to serve our customers with the utmost respect and commitment. We are a Christian based company and operate as such. Everything we do, we do it as working unto the Lord. We are a small family-owned and operated business serving Salisbury and surrounding areas. We will be happy to assist you with your project or repair needs. We also offer a Routine Maintenance agreement for all residential homes and most light commercial spaces. (No pre-payment or monthly payment necessary)
"extremely knowledgeable and professional, very pleasant, willing to give updates as the project went along. started the job and completed the work without interruption. very pleased with the results."
Mark H on July 2024
At L3 HVAC, we strive to serve our customers with the utmost respect and commitment. We are a Christian based company and operate as such. Everything we do, we do it as working unto the Lord. We are a small family-owned and operated business serving Salisbury and surrounding areas. We will be happy to assist you with your project or repair needs. We also offer a Routine Maintenance agreement for all residential homes and most light commercial spaces. (No pre-payment or monthly payment necessary)
"extremely knowledgeable and professional, very pleasant, willing to give updates as the project went along. started the job and completed the work without interruption. very pleased with the results."
Mark H on July 2024
Call Dad, LLC 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.
"Very good"
Damian A on April 2025
Call Dad, LLC 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.
"Very good"
Damian A on April 2025
We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's 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 cannot say enough great things about Mario and the excellent work he did for us. He arrived before his appointed time and promptly diagnosed the problem with our furnace. He secured and replaced all the parts and restored our heat in record time! During the process, Mario was professional and courteous. I recommend Kool Air, LLC/ Mario and I will use him again."
Saundra Porter T on December 2024
We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's 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 cannot say enough great things about Mario and the excellent work he did for us. He arrived before his appointed time and promptly diagnosed the problem with our furnace. He secured and replaced all the parts and restored our heat in record time! During the process, Mario was professional and courteous. I recommend Kool Air, LLC/ Mario and I will use him again."
Saundra Porter T on December 2024
OUR TEAM IS WHAT MAKES US THE PLACE TO TURN TO FOR HVAC SERVICES! At QRC, we only employ team members who possess a strong commitment to customer service, advanced skill in their trade, and an ongoing dedication to doing exceptional work. All our team members maintain proper licensure and insurance and participate in professional development beyond what is normally required or expected of those in the HVAC industry. Simply put, we only hire top talent and technicians who can deliver on our company's promise of providing knowledgeable, reliable, and experience-based service. Please contact us today if you would like to know more!
"Great customer service & tech experience! "
Juanita M on March 2025
OUR TEAM IS WHAT MAKES US THE PLACE TO TURN TO FOR HVAC SERVICES! At QRC, we only employ team members who possess a strong commitment to customer service, advanced skill in their trade, and an ongoing dedication to doing exceptional work. All our team members maintain proper licensure and insurance and participate in professional development beyond what is normally required or expected of those in the HVAC industry. Simply put, we only hire top talent and technicians who can deliver on our company's promise of providing knowledgeable, reliable, and experience-based service. Please contact us today if you would like to know more!
"Great customer service & tech experience! "
Juanita M on March 2025
Legacy HVAC 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.
"Very friendly came in took a look at the job . Fixed it . I will use this company again . And a reasonable price"
Karen W on February 2025
Legacy HVAC 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.
"Very friendly came in took a look at the job . Fixed it . I will use this company again . And a reasonable price"
Karen W on February 2025
Carolina First Heating & Air LLC is a leader in providing our customers with the highest quality service in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. We look forward to working with you!
"Excellent service and fast!"
Mary lee H on April 2025
Carolina First Heating & Air LLC is a leader in providing our customers with the highest quality service in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. We look forward to working with you!
"Excellent service and fast!"
Mary lee H on April 2025
With over 8 years if experience we take great pride in the expertise, quality, and customer focused nature of our cleaning services. It is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the completion of a project. In order to understand the needs and expectations of our customers, we take great care to communicate with every client in a professional and timely manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.
With over 8 years if experience we take great pride in the expertise, quality, and customer focused nature of our cleaning services. It is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the completion of a project. In order to understand the needs and expectations of our customers, we take great care to communicate with every client in a professional and timely manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.
Coils work to absorb heat into the refrigerant that flows through them, moving heat from one location to another. For air conditioning, the evaporator coil inside the air handler in your home absorbs heat. It then transfers the heat outside to the condenser coil, where it releases it. The opposite process happens for heat pumps. When the coils get dusty and dirty, it reduces how well these components work.
Skip regular cleanings, and dirt, debris, and mineral deposits will blanket your evaporator and condenser coils. When that happens, the coils can’t shed heat efficiently, so the system works harder and your energy bill climbs. Over time, overheating strains the compressor and can trigger a full breakdown—an avoidable repair that often costs far more than a simple annual cleaning.
AC coil cleaning is an investment that pays for itself in the benefits it provides. Dust‑caked coils force your AC to run longer, so you spend more on electricity and rack up extra wear. A quick professional cleaning restores efficiency, trims monthly bills, and eases strain on expensive parts. Over the long haul, that small yearly fee delays pricy repairs and stretches the unit’s lifespan, making coil cleaning one of the smartest HVAC tune‑ups you can schedule.
Watch for higher electric bills, rooms that stay warm no matter how low you set the thermostat, or an AC system that runs nonstop. Extra humidity and frost on the coils are also red flags. Catching these clues early lets you schedule a quick cleaning before the system overworks itself and triggers an expensive breakdown.
Your AC cleaning technician starts by shutting off the power to the unit and removing the faceplate. Compressed air and a vacuum hose blast away loose debris, followed by a coil-safe, no-rinse cleaner that dissolves stubborn grime. After the solution has soaked in, the professional wipes the fins, reassembles the housing, and restores power, leaving the system ready to cool at peak efficiency.