Providing Maryland with Residential and Commercial HVAC Services including:

  • HVAC Installation
  • Geothermal Installation
  • HVAC Repair
  • Geothermal Repair
  • HVAC Maintenance


Read below to see what our past clients and customers have to say about our products and services:

Just wanted to say a huge thanks to your company. We lost heat on New Year’s Eve, and found someone to look at the system the next day. We weren’t really happy with the estimate for the work, so when your company returned our call on Monday, we agreed to have a second opinion. Rick was able to bypass the problem and get the heat running, and order the new circuit board saving us considerable money. The job was completed quickly, and we are back in business. We will be calling for future heating and cooling issues.

B. Hughes

We are sending this email to let you know how pleased we were with the Honeywell ERV and IAQ installation done in our home on Dececember 14, 2015 by your team. They did a tremendous job with the installation/activation, proactively kept us informed of their efforts throughout the day, and provided us with a thorough explanation of how the system functions. The work they did to replace the rubber tubing on our humidifier with PVC was also outstanding. We noticed after they left that they even went the extra mile and installed a metal holder on our furnace to store our HVAC equipment manuals- something that in itself may seem minor, but provided added value to the work that was performed. The ERV unit is working out great – it was amazing how quickly we noticed the improved air quality later that same day. We appreciate your time working with us to help resolve our indoor air quality issues and to relocate the original thermostat to better manage the temperature in our home. A-Quality not only knows how to provide great technical service and preventative maintenance but also excels at providing exceptional customer service.

T. Halton

Mikey was very respectable and answered all of our questions. We are a new A-Quality customer and officially one for life!

B. Horton

Will is a very fine individual and a complement to your company!

P. Frock

I would like to comment on the technician that came here today. Will was just great. Very knowledgeable. Explained any and everything I asked with enthusiasm and patience. He did a great job and represented your company with professionalism. He speaks very highly of your company and its commitment to customer service. In light of the issues we have had here, I must agree “A-Quality” and your staff have been great to work with

Mr. Winter

Just wanted to compliment what a great job Will did, hs should get 4 stars!!

H. Remenapp

“THANK YOU, THANK YOU for the amazing service. We are very grateful for your flexibility, wonderful honest service and A+ quality!”

D. McCarthy Sept 2015

“The friendliness & availability are what I love best. Keep doing what you are doing!”

S. Diz Sept 2015

“All the employees were friendly and professional. They provided superior service and I am pleased with the final outcome.”

J. Mansfield Sept 2015

“I wanted to take a moment and thank A Quality for the exceptional job on the installation of the new HVAC system in my house. Every step of the process was handled in a professional, courteous, and timely manner. Upon first meeting with Sean; his willingness to explain all the details and answer my needs and concerns were met. He was both knowledgable and patient with all my questions. I was very impressed with the smooth process of contracting the project and all intricatus involved to starting the installation. Your technicians, Paul and Gino were great!!! They were friendly and quite skilled; as was evident in the quality of there work. I was especially impressed with how Paul explained the entire system and it functions after his installation. I look forward to a continued relationship with A Quality. Please pass this note forward to all involved.”

H. Monheit, August 2015

“The crew – Chris & Wes did a great job – As a business owner I know how hard it can be to find and keep good people and you should know that these guys are awesome!”

B. Cross, August 2015

“Excellent job, courteous and professional from start to finish.  You went well above and beyond our expectations.  Thank you!! We look forward to doing business with you in the future.”

T. Peltier, June 2015

“I was very pleased by all services provided.  Sean was extremely friendly and knowledgeable.  Wes & Chris were very professional and answered all my questions.  I will definitely recommend A-Quality to friends, etc.  All the employees were great!”

T. Stiefel,  May 2015

“The installation guys were exceptional, also pleased with Sean’s presentation.”

S. Hunt, April 2015

“The staff you have in the field are excellent – thoughtful, personalble & knowledgeable.”

F. Gunther, March 2015


“I was very pleased with the company’s service. I would definitely recommend this company to all the people I know and in fact I’ve already done it.”

M. Cruz-Alicea, November 2014

“Great company to deal with. Very professional, prompt, well trained and they provided excellent customer service. I am very pleased with my new Trane Heating and A/C system.”

P. Calambro, September 2014

“I cannot remember when I have had a worker or company in my home that was more friendly, knowledgeable, courteous, kind and helpful. They worked for hours, tirelessly and uncomplaining, even though my unit was up several flights of stairs and it was hot as blazes outside. I don’t know if there are awards for conduct and service beyond the call to duty but if there is, this company gets my vote. To be certain, I will recommend them and their product far and wide. Thank you for giving me the chance to applaud their good service.”

J. Antkowiak, July 2014

“I had been looking at several contractors but I went with A Quality because Sean, salesman, was so knowledgeable about the product, told me what to expect, talked about financing options, and about the drain pan. That’s what sold me. I was also very impressed with the way that Sean followed up with me after the job was done. Very happy with the whole experience and would definitely recommend A Quality. After having the Trane installed, I’m happy with the system, how quiet the unit is and its ability to keep the temperature close to the same between floors.”

C. Choe – June 2014

“Our upstairs A/C & Heating unit was not working. A Quality came out promptly and was able to see that we had a warranty issue and took care of us by the end of the week.”

C. Leatherwood – May 2014

“Contractor did two days worth of work in one day – stayed late and hustled! Really nice guys. Very well mannered. Sean advised on how to re-work my ducts to work better. Took care of my brother and grandfather too. Great company – Great people at A Quality.”

G. Elligson – May 2014

“Very pleased with the service provided. The technician was very knowledgeable and resolved the problem quickly. He was also very courteous, answered questions I had on the Trane HVAC systems installed at my house, as well as provided recommendations for routine maintenance.”

C. Tabaka – March 2014

“Salesman and installers were very professional and functioned on that level.”

W. Young – March 2014

“The owner was very friendly & knowledgeable. He went out of his way to fix and satisfy some of my concerns and gave me a great price. His techs are very good, great service. Would highly recommend A Quality to everyone.”

T. Thayer – January 2014

“Very professional & attentive to our needs. Highly recommend.”

D. Steber – December 2013

“Kudos to A Quality Technician Mikey, don’t know his last name, he is trustworthy, knowledgeable & friendly”

E. Curry – November 2013

“Very professional, knowledgeable, office well organized to handle all telephone questions.”

S. Metz – November 2013

“Just wanted to say that from my initial contact things have been quick and painless. Sean answered any questions I had. Chris & James did a great install and answered my questions too.”

A Robertson – November 2013

“Very pleased with the service, installation & knowledge of installers. Had a great experience with A Quality. Have already recommended to others!”

A. Rankin, Reisterstown MD – October 2013

“Experience was great had a lot of work done to my house & the installers were the best I have had and the company was great reference wise #1- Thank You”

D. Scott – September 2013

“I just wanted to follow-up with you on the new HVAC system. I couldn’t be more satisfied with the whole process. Your company offered the best quote and followed it up with excellent service. The guys who came out and did the installation were excellent. They had the job done in much less time than I would have expected and went so far as to schedule a follow-up visit to make sure the proper breaker was installed. The existing one worked and I wouldn’t have known any better, so the fact that they wanted to make sure the job was done properly is a reflection on their professionalism. Again, from start to finish A Quality really lived up to its name and I will recommend you to anyone I know who needs their HVAC repaired or replaced.”

G. Bigelow – August 2013

A Quality is top-notch, professional in all aspects and knowledgeable. They are a pleasure to deal with.”

C. Smith – June 2013

“Good group of young men & women in the business.”

J. Gaither, July 2013

“Very happy with service in all aspects.”

J. Dorn – June 2013

“Last week, May 23rd, Will came to service our AC unit. I just wanted to say that he did an awesome job! Very nice guy and we are very happy with his service. Thank you very much!”

Eric Kuhn – May 2013

“The purpose of my email is to compliment your service technician, Luke. I always ask for Luke because he is very good at what he does, courteous and friendly. It is very difficult to find competent service technicians regardless of the area of service and I’m always pleased at the work performed by Luke. It is a pleasure to have him in my home.

I have used A Quality for all my HVAC needs for the past 10 years and will continue to do so and recommend your company to friends as long as you continue to keep competent staff such as Luke.”

J. Albert – April 2013

“I was recommended to Trane and this contractor by a friend who is in the HVAC business but for a private organization. The contractor was very helpful in explaining everything. They provided the best, most efficient setup out of all the proposals that I received. One example was putting the return duct work in the walls and several of them to provide better air circulation.”

V. Lane, Westminster MD – December 2012

“Everyone from A Quality was professional, polite and extremely competent. Thanks for doing a great job!”

G. Dillner, Westminster MD – December 2012

“I have found the contractor to be extremely good compared to others I used years ago and recommend them to friends whenever I can.”

G. Dayton, Parkton MD – November 2012

“I was so pleased with your employees the first time and that’s why we went to you the second time. We are very happy with the equipment, your employees and the maintenance. Having you come back also shows the trust we have for you. Thanks Very Much. ”

R. Billings – July 2012

“You know how some contractors give you a time that they would arrive and don’t show up till much later, well my guy got there an hour early! That was great. Both were very good at their jobs.”

N. Snyder – July 2012

“We have been very pleased with A Quality this time & in the past. Professional, friendly, prompt, thorough, competent and took added precautions to keep my house clean.”

P. McCarty – June 2012

“Contractor was very prompt to call back, visit site, proposal back 2nd day, scheduled install by 3rd day. Installation went very well. Gentleman doing work were very professional. Very pleased with A Quality

-Ed Anderson, Woodbine MD – June 2012

“Everyone was excellent, great service & we appreciate your quick response.”

- B. Stedding, Sykesville, MD. – June 2012

“Great Service!”

- R. Hantgan, Owings Mills, MD – June 2012

“I was very pleased with the entire process and would recommend A Quality to everyone.”

- G. Clark, Westminster, MD, December 2011

“You all are great! Thanks for everything.”

- M. Golden, Mt. Airy MD, December 2011

“The guys that came were great! Appraiser answered all questions and provided prompt response. Good quality service & fair pricing.”

- K. Russo, Manchester, MD, October 2011

A Quality did an outstanding job installing our two new systems. Sean Connors took time to explain everything and was very efficient and thorough in the process. The contractors were neat and careful during all phases of the installation. We couldn’t be more pleased.”

- S. C. Snively, Mt, Airy MD, September 2011

“I’ve used you all for years. You are reliable & trustworthy.”

- S. D. Johnson, August 2011

“Both the sales and installation crews were very professional. The installation crew had a very difficult removal and re-entry project but they handled it with care and quality. Very, very impressed all around. Thank You!”

- S. Ansteatt, Westminster MD, September 2011

“Everything went so well – I have never met a more kind and courteous group of employees from the original estimate to the completion of the A/C up and running…Thanks To All!!”

- Joan & Charles Paulsen, Sykesville, MD, July 2011

“I am writing this to commend A Quality Heating and Air Conditioning Service. My blower stopped working a few days and I didn’t know who to call – I noticed that A Quality’s sign listed Trane as one of your areas of expertise so I called your company. The women I talked to on the phone was very helpful and set up an appointment for a technician to examine my unit. The technician arrived during the scheduled time frame and went directly to work. He inspected the unit and said he thought it was the capacitor which he tested and found defective. After replacing the capacitor he inspected the other components of the unit and found everything to be working properly. It is a true pleasure working with a company who arrives on time and efficiently fixes the problem. I will highly recommend you to my friends and neighbors.”

- Frank Young, Westminster, MD, June 2011

“Greatly appreciated the professionalism of A Quality Heating & Air Conditioning (Westminster, MD) in selecting and installing the HVAC replacement system in our home recently.  A Quality was very responsive to my many questions and took the time to understand my needs to determine the best solution for our situation.  Technicians were prompt, courteous, and completed the work in a timely manner leaving our home neat and clean with minimal disruption.”

- L. Vescovich, Hanover MD, Dec 2010

“I told the salesman what I wanted & that is what he presented to me. That is the reason I purchased the system.”

- D. Messick, Westminster MD, November 2010

“The last two times we called the same guy came out right away. He’s a great person and worker. Many thanks for his last time here. It was a real emergency and he was here very quick even though he was on a lake having fun at the time. He got here in great time and had us up and running in about a half hour. This was very important because my elderly parents live with us and it wall 100 degrees or close to it!!”

- S. Sheppard, Manchester MD, August 2010

A Quality always does a great job- Would not use anyone else.”

- D. Engel, Westminster MD, August 2010

“Worked well to make sure we were cool until the parts came in to repair.”

- K. Button, Hampstead MD, September 2010

“Jim Poole was my salesman. He was very easy to deal with and after evaluating my situation, he knew what I needed. I don’t remember the names of the two installers, but they knew their stuff and worked hard to install my two units in very hot conditions.”

- G. Laumann, Westminster MD August 2010

“Jim Poole was excellent to work with! He helped answer all my questions, responded promptly to all phone calls and even helped me with all the follow-up paperwork related to the rebates. Jim is a terrific asset to your company. The installation team; Bill & CJ were courteous and kept things clean. They did a top notch job with very little disruption. I was honestly pleased with the entire process, from first phone call through turning on the replacement system, everything went according to plan. I would not hesitate to recommend A Quality!”

- D. Sturm, Mt. Airy, September 2010

“For many of this survey’s questions “did the contractor offer”, I checked N/A.  I was very specific about what I wanted and did not want when I requested a quote.  I do NOT want people trying to sell me stuff I don’t want or need.  This contractor provided several options with exact part numbers and prices.  He was the only one to provide the correct part numbers for the energy-star certification.”

- Pete Eisenreich, Catonsville MD August 2010

“Serivce and knowledge was excellent!”

- Chuck Rabinovitz, Gettysburg, PA  June 2010

“I just want to thank you for your help in getting us the air conditioner. Your employees were very courteous and friendly. I appreciate, as well as my dad, how quickly you were able to get us the unit, as I thought we were going to melt! I will definitely recommend A Quality to anyone needing HVAC service.”

- Thanks again,
Dana Roland BSN, RN, CCRN

“I’m writing this letter to commend the workmanship of A Quality. The price quoted to us came in thousands less than other companies we contacted. The installation is very neat and professional looking, and there was no mess left for us to clean up after they left. The technician spent time after he was finished to explain the function of each of the pieces of equipment installed. He made it easy for me to understand. All the men that worked on our installation were polite and courteous. Thank you for doing the job for us. We will recommend your company to others in the future.”

- Carroll County Resident – Stacy Berg

“I just wanted to drop you a quick note to thank you for the work that your service department did on my A/C unit. They were very professional, worked quickly and efficiently, were very nice and polite and cleaned up after themselves. I will definitely use you in the future for my A/C needs and recommend you to others.”

- Thanks again,
Debbie Gartrell-Kemp

“You came to my house to give me an estimate to replace my A/C System, I wanted to thank you for being so courteous. I wanted you to know how much I appreciate you and your staff for making a new A/C purchase such a pleasant one. I especially wanted you to know how professional your installation crew and service technician were. They were very respectful of my property. Your office staff was very patient and courteous to me and answered all my questions.

Thank you again. I would not hesitate to refer your company to anyone needing your service. ”

- Sincerely,
Kathleen K. Ross

“I am really pleased with A Quality Heating & A/C services. The contractor was great. I would definitely recommend this company to my friends.”

-Robert Williams Capitol Heights MD

“I was very pleased with the service.”

-Roasemary Marcin, Columbia MD

A Quality did a great job. The guys made sure they cleaned up afterwards. They arrived 10 minutes prior to schedule start time. They were very efficient.”

-Tress Dayton, Westminster MD

A Quality Heating and Air Conditioning in Westminster, MD did an excellent job.”

-Lawrence Kaskel, New Market MD

“Excellent professional courteous personnel and staff!!”

-Ronald Boris, Baltimore MD

“They are super!”

-Helen Brooks, Lutherville MD

“Company goes the extra mile to serve customer needs.”

-Richard Stewart, Winfield MD

“Great Experience”

-Matthew Betz, Eldersburg MD

A Quality in Carroll County MD is an outstanding company.”

-Pam Sisk, Westminster MD

A Quality did a fantastic job! Can’t imagine anything they could have done better.”

-Mike Quick, Union Bridge MD

“Great experience, have used A Quality before. Very Honest & knowledgeable.”

-Chris Leatherwood, Finksburg MD

“Excellent contractors and equipment.”

-Peter Anania, New Windsor MD

“We wanted to thank you and your staff regarding the installation of our new heat pump. Jeff & Nick did a wonderful job and we were very pleased with them. The new heat pump seems to be working great and we are excited to find out how well it works when it gets really cold out.”

-Jason, Amanda & Rachael Prince, Westminster MD

“After I did my research on competing brands of hvac systems, I chose Trane to check out first and A Quality Heating and Air Conditioning specifically because they were in close proximity to us and I know from Trane online that they were a recommended dealer by the Trane organization. I chose to visit their business location rather then to call to set up an appointment. When I reached their location the first person I met was George Stillman, sales rep for A Quality. We sat and chatted for 45 minutes to one hour and a more personable or more knowledgeable man I could not have found. He met with me first and then with my wife, we met twice at my home and then finally with us at A Quality’s business to meet the owner and the business employees in office and shop. We were made very welcome in what George called the “nickel tour”. Following that point others from A Quality took over to set a date and then install the system. The owner invited us back, the office employees great/friendly and the installers did a great job and cleaned up all before they left. A very pleasant experience!”

-Del & Joan Weimer, Westminster, MD – October 2009

“This was an excellent contract start to finish- the techs, Jeff & Nick were top notch, decent and knowledgeable about all aspects of system and installation. We have already noticed the difference!! I have had an opportunity to recommend A Quality already, we are very pleased.”

-John Wilkinson, Columbia, MD – November 2009

Good Morning Earl,

I want to let you know our new coal fired hot air system is working just fine. The temperature in the house stays at a very comfortable and even 71 degrees – no more temperature swings! Now we have a warm basement too.

Currently I am using only the propane furnace blower to draw the air from the coal stove – running it continuously. This morning the temperature was 72, so I set the auger feed rate back just a little. I’ll have to learn how the system needs “tweeked” from day to day.

The larger cold air return trunk line that you suggested and installed at the propane furnace allows the air handler to run much quieter now. That’s an added plus!

When I get the new addition wired and insulated I will open the damper, turn off the propane blower, and use the coal stove blower (or maybe both blowers will be needed). I’m thinking in order to make the system even more efficient, maybe a cold air return should be installed in the new addition and ran to the coal stove. We’ll see how the system runs when I get the new addition ready to heat.

Your installers did a great job!

Thanks again, Penny and I are very satisfied with our new heat system.

- Brian Chaney, Frederick, Maryland – January 2010

To Whom It May Concern:

I wanted to write to you to let you know how much I appreciate the way your company took care of me when I called on Wednesday, January 6, 2010.

From the very first person I spoke with on the phone to the young man who handled the repair of my furnace I was totally impressed!  When I called to explain that my furnace was not working at 2:00 in the afternoon, the young lady who took my call immediately made a call to someone who was heading down to the Sykesville area for a standard maintenance call and re-directed him to my home.  Your truck arrived in less than 30 minutes at my door!

The young man, Brian, was able to diagnose the problem within minutes and was ready to replace the part needed.  Not having the actual part needed on the truck, he was able to put on a temporary part that would get me thru the night so that I would have heat and then return the next morning to put the correct part in.  I was so appreciative that he was able to give me heat thru the night!  Within 5 minutes he came back in to let me know that another gentlemen was on his way down with the correct part that he would switch out the part now rather than come back the next morning!

Your company went above and beyond to repair my furnace.  I truly appreciate the service I received and will highly recommend your company to others.


- Donna Glasscock, Eldersburg, MD – January 8, 2010

“We are very happy with the contractor and our unit!”

- Ronald Billings, New Windsor




What Our Customers Are Saying

testimonial “The contractor was very helpful in explaining everything. They provided the best, most efficient setup out of all the proposals that I received. One example was putting the return duct work in the walls and several of them to provide better air circulation.”

V. Lane

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A Quality Heating & Air Conditioning, Inc., Heating & Air Conditioning, Finksburg, MD acca nate carroll county chamber of commerce

Licensed & Insured: HVAC# 48393

Click to View Areas We Serve

Carroll County HVAC Services: Eldersburg, Finksburg, Hampstead, Manchester, Marriottsville, Taneytown, Union Bridge, Westminster, Mount Airy, New Windsor, Sykesville, Woodbine, Taneytown, and more.

Baltimore County HVAC Services: Arbutus, Catonsville, Cockeysville, Dundalk, Edgemere, Essex, Garrison, Lansdowne, Lochearn, Lutherville, Middle River, Milford Mill, Overlea, Owings Mills, Parkville, Park Heights, Pikesville, Randallstown, Reisterstown, Rosedale, Timonium, Towson, White Marsh, Woodlawn, and more.

Frederick County HVAC Services: Frederick, New Market, Mount Airy, Urbana, Ijamsville, Walkersville, Libertytown, Damascus, and more.

Howard County HVAC Services: Clarksville, Columbia, Cooksville, Dorsey, Elkridge, Ellicott City, Fulton, Glenelg, Glenwood, Granite, Hanover, Highland, Jessup, Lisbon, Marriottsville, North Laurel, West Friendship, Woodbine, Woodstock, and more.

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Southern PA HVAC Services: Adams County, York County, Franklin County, Fulton County