Get matched with top central a/c service or repairers in your area
Enter your zip and get matched with up to 3 pros
Matching on HomeAdvisor
Central a/c service or repairers in Walkersville
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!
"Of all the HVAC companies I contacted, these guys had the best rates to come out and diagnose why my A/C was blowing hot air. Will came out and was very thorough and professional in diagnosing the issue and got me up and running in the same visit! He had great communication leading up to the meeting, and also spent a good amount of time talking to me about what was going on with my HVAC and giving advice. Very honest, knowledgeable, and didn't try to pressure upcharge me on anything but did offer additional services. I will definitely be hiring Will again for any other work and when it's time to replace my 14-year old HVAC (but hopefully not too soon!)"
Joshua T on July 2024
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!
"Of all the HVAC companies I contacted, these guys had the best rates to come out and diagnose why my A/C was blowing hot air. Will came out and was very thorough and professional in diagnosing the issue and got me up and running in the same visit! He had great communication leading up to the meeting, and also spent a good amount of time talking to me about what was going on with my HVAC and giving advice. Very honest, knowledgeable, and didn't try to pressure upcharge me on anything but did offer additional services. I will definitely be hiring Will again for any other work and when it's time to replace my 14-year old HVAC (but hopefully not too soon!)"
Joshua T on July 2024
Welcome to Markool Heating & Cooling. We proudly provide the highest quality of service and craftsmanship for each aspect of your project. Our depth of knowledge and experience solidify our belief that customer service stands as the highest priority. We eagerly look forward to working with you and making your vision a reality. Give us a call, text, or email today, and let us get started!
Welcome to Markool Heating & Cooling. We proudly provide the highest quality of service and craftsmanship for each aspect of your project. Our depth of knowledge and experience solidify our belief that customer service stands as the highest priority. We eagerly look forward to working with you and making your vision a reality. Give us a call, text, or email today, and let us get started!
At Michael Bonsby Heating & Air Conditioning, LLC, we're a well established business with over 25 years of HVAC experience and expertise. The customer experience is paramount, and your preferences and priorities are always our first concern. We're very timely with our work and always pay attention to detail. We invite you to give us a call and speak with one of our consultants. Anytime, day or night, we are always available to answer questions, and offer ideas.
"Gavin Otto provide an excellent service and very customer focused."
Marcos D on December 2024
At Michael Bonsby Heating & Air Conditioning, LLC, we're a well established business with over 25 years of HVAC experience and expertise. The customer experience is paramount, and your preferences and priorities are always our first concern. We're very timely with our work and always pay attention to detail. We invite you to give us a call and speak with one of our consultants. Anytime, day or night, we are always available to answer questions, and offer ideas.
"Gavin Otto provide an excellent service and very customer focused."
Marcos D on December 2024
Horizon Services (MD), LLC, is the regions 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 (MD), LLC, remains fully committed to setting the industry standard for customer service, installation and focusing on things that are important to busy homeowners.
"Quick service"
Charles P on May 2025
Horizon Services (MD), LLC, is the regions 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 (MD), LLC, remains fully committed to setting the industry standard for customer service, installation and focusing on things that are important to busy homeowners.
"Quick service"
Charles P on May 2025
In Business Since 2023 CDCP Repairs is committed to excellence in every aspect of our business. CDCP has over 30 years of experience in the industry. 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 How We Got Started I chose to work in this industry because I grew up working along side my father and understanding the hard work and skill and dedication it takes to get these projects done efficiently and quick. I’ve now had his business handed down to me and am now on both sides of the hard work and the business side of things.. We started in this industry in 2023. We describe our business as Family owned and operated
"Super happy with both times we have hired Tim for painting services."
Anne p on January 2025
In Business Since 2023 CDCP Repairs is committed to excellence in every aspect of our business. CDCP has over 30 years of experience in the industry. 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 How We Got Started I chose to work in this industry because I grew up working along side my father and understanding the hard work and skill and dedication it takes to get these projects done efficiently and quick. I’ve now had his business handed down to me and am now on both sides of the hard work and the business side of things.. We started in this industry in 2023. We describe our business as Family owned and operated
"Super happy with both times we have hired Tim for painting services."
Anne p on January 2025
Holtzople is a leading HVAC company in Frederick, Carroll, and Washington counties in Maryland, as well as Adams and small parts of Franklin & York counties in Pennsylvania, featuring all the top brands in the Heating and Cooling industry, such as Trane, Bryant, Lennox, Carrier, ClimateMaster, WaterFurnace, and more. We recently added an electrical department to our services, making us your one-stop shop for HVAC and electrical needs. Quality is Not Expensive, It's Priceless!
"We had the pleasure of meeting Corey tonight. He found the leak in our AC. Showed us where it was and what it meant as far as the AC went. He explained in detail the several options we had as far as fixing it or replacing the unit. He even showed us where and what he found. Very polite and professional. The ladies I talked to at the office was also very polite and professional. I highly recommend this company."
Donna S on June 2025
Holtzople is a leading HVAC company in Frederick, Carroll, and Washington counties in Maryland, as well as Adams and small parts of Franklin & York counties in Pennsylvania, featuring all the top brands in the Heating and Cooling industry, such as Trane, Bryant, Lennox, Carrier, ClimateMaster, WaterFurnace, and more. We recently added an electrical department to our services, making us your one-stop shop for HVAC and electrical needs. Quality is Not Expensive, It's Priceless!
"We had the pleasure of meeting Corey tonight. He found the leak in our AC. Showed us where it was and what it meant as far as the AC went. He explained in detail the several options we had as far as fixing it or replacing the unit. He even showed us where and what he found. Very polite and professional. The ladies I talked to at the office was also very polite and professional. I highly recommend this company."
Donna S on June 2025
JCB Handyman/Masonry offers experienced finish carpentry, framing, and general handyman work in Washington D.C. Contact us today for an estimate!
"I had a very positive experience with JCB and will definitely call them in the future when I need help. I wanted to completely change my kitchen but I didn’t want to shoulder the expense of new cabinetry. I spoke to Brandon about my vision (which was to have a rustic, distressed look on my kitchen cabinetry with coordinated accent cabinetry around the kitchen) and he gave me a lot of helpful info on the phone, even before I signed the contract. He came out to my home to show me what they could do, to make sure it was to my liking. His estimate also seemed fair. Once the job started, Brandon and Chris and Joe were kind and communicative, letting me know what they were doing each day and checking in for feedback. Because I wanted a unique, distressed look on my cabinets, they created the look entirely by hand based on my description of what I wanted. It was painstaking and labor-intensive, but they worked efficiently. The entire job was done in a week (they worked through the weekend) and I’m thrilled with the result. They also re-painted my walls, in a color that complimented the new cabinetry, and they replaced a light fixture. In addition to be very talented and building me a kitchen that I love, they are genuinely good humans, which is even more important. I’d highly recommend JCB."
Patty M on April 2023
JCB Handyman/Masonry offers experienced finish carpentry, framing, and general handyman work in Washington D.C. Contact us today for an estimate!
"I had a very positive experience with JCB and will definitely call them in the future when I need help. I wanted to completely change my kitchen but I didn’t want to shoulder the expense of new cabinetry. I spoke to Brandon about my vision (which was to have a rustic, distressed look on my kitchen cabinetry with coordinated accent cabinetry around the kitchen) and he gave me a lot of helpful info on the phone, even before I signed the contract. He came out to my home to show me what they could do, to make sure it was to my liking. His estimate also seemed fair. Once the job started, Brandon and Chris and Joe were kind and communicative, letting me know what they were doing each day and checking in for feedback. Because I wanted a unique, distressed look on my cabinets, they created the look entirely by hand based on my description of what I wanted. It was painstaking and labor-intensive, but they worked efficiently. The entire job was done in a week (they worked through the weekend) and I’m thrilled with the result. They also re-painted my walls, in a color that complimented the new cabinetry, and they replaced a light fixture. In addition to be very talented and building me a kitchen that I love, they are genuinely good humans, which is even more important. I’d highly recommend JCB."
Patty M on April 2023
We are a small family owned Heating, Ventilation, and Air Conditioning (HVAC) company located in Sharpsburg, MD. The business was started in 1989 under the name of RW Harrell's Pump Service Inc. when Diane Harrell and Ronnie Harrell purchased a well pump and water system business from a gentleman that was retiring. Ronnie had worked in the HVAC field from the time he had graduated from high school so it was natural to add HVAC to the services that this new company would offer. Ronnie and Diane built the company by word of mouth and continue to grow the company in this manner. Additional DBA - Harrell's Services. Additional fax - 928-492-8004
We are a small family owned Heating, Ventilation, and Air Conditioning (HVAC) company located in Sharpsburg, MD. The business was started in 1989 under the name of RW Harrell's Pump Service Inc. when Diane Harrell and Ronnie Harrell purchased a well pump and water system business from a gentleman that was retiring. Ronnie had worked in the HVAC field from the time he had graduated from high school so it was natural to add HVAC to the services that this new company would offer. Ronnie and Diane built the company by word of mouth and continue to grow the company in this manner. Additional DBA - Harrell's Services. Additional fax - 928-492-8004
GAC Services is a residential cooling, heating, and electrical contractor setting new standards in the Maryland HVAC and electric market. Since 1970, we’ve developed a strong reputation for providing the Montgomery County and Frederick County areas with reliable cooling and heating services. In 2014, we expanded our service offerings to include electrical services—allowing us to offer our customers the same great service in a new area of business. Additional DBA: Gaithersburg Heating & Cooling
"Highly professional, knowledgeable and well behaved technician. Prices offered were good too. I definitely recommend the company."
Deepak K on February 2025
GAC Services is a residential cooling, heating, and electrical contractor setting new standards in the Maryland HVAC and electric market. Since 1970, we’ve developed a strong reputation for providing the Montgomery County and Frederick County areas with reliable cooling and heating services. In 2014, we expanded our service offerings to include electrical services—allowing us to offer our customers the same great service in a new area of business. Additional DBA: Gaithersburg Heating & Cooling
"Highly professional, knowledgeable and well behaved technician. Prices offered were good too. I definitely recommend the company."
Deepak K on February 2025
We guarantee your satisfaction, and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out all the services we offer below and call -or- click to schedule an estimate today!
"Killian performed the required repairs with attention to detail and a high degree of quality. Give this business your consideration and assure a mutual understanding of “complete.”"
James W on November 2024
We guarantee your satisfaction, and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out all the services we offer below and call -or- click to schedule an estimate today!
"Killian performed the required repairs with attention to detail and a high degree of quality. Give this business your consideration and assure a mutual understanding of “complete.”"
James W on November 2024
FAQs for central a/c service or repair projects in Walkersville, MD
Yes, a once-a-year tune-up keeps the system efficient and helps it last longer. During the visit, a technician cleans coils, checks electrical connections, and swaps or cleans the filter. Catching small issues now stops bigger, pricier failures later, so that a quick appointment saves money and stress over the life of the unit.
Changing your AC filter every 30 days is necessary to maintain optimal performance and high indoor air quality. Regular filter replacement prevents dust buildup, ensures efficient airflow, and protects the system from stress that could lead to costly repairs. This disciplined maintenance routine not only boosts energy efficiency but also prolongs the lifespan of your unit by safeguarding its critical components.
An HVAC service plan is worth the cost, especially if you forget to schedule maintenance on your own. A service plan locks in yearly (or twice-yearly) visits, allowing a professional to identify small problems early, clean key components, and maintain energy efficiency. Many plans also include minor repairs or priority scheduling, which can pay for themselves if an unexpected issue pops up.
In a pre-season service visit, your technician gives your system a top-to-bottom check before peak season hits. Expect a filter change, thermostat test, condenser-line flush, electrical-connection check, and coil cleaning. They also tighten loose parts and make minor adjustments so the unit fires up without surprises when temperatures swing. That quick tune-up cuts the risk of mid-season breakdowns and keeps energy use in line.
- Birmingham
- Phoenix
- Tucson
- Fresno
- Long Beach
- Los Angeles
- Modesto
- Sacramento
- San Diego
- San Francisco
- San Jose
- Denver
- Hartford
- Washington DC
- Fort Lauderdale
- Jacksonville
- Miami
- Orlando
- Tampa
- Atlanta
- Chicago
- Indianapolis
- Louisville
- New Orleans
- Baltimore
- Boston
- Detroit
- Grand Rapids
- Minneapolis
- Saint Paul
- Kansas City
- Saint Louis
- Las Vegas
- Albany
- New York
- Asheville
- Charlotte
- Greensboro
- Raleigh
- Winston Salem
- Cincinnati
- Cleveland
- Columbus
- Oklahoma City
- Portland
- Harrisburg
- Philadelphia
- Pittsburgh
- Providence
- Memphis
- Nashville
- Austin
- Dallas
- El Paso
- Fort Worth
- Houston
- San Antonio
- Salt Lake City
- Norfolk
- Richmond
- Virginia Beach
- Seattle
- Madison
- Milwaukee
Get our Angi-powered app
