See what our customers are saying about us

Everything went very well from the first time they came out to give me an estimate. Very friendly, knowledgeable, was able to show me pamphlets about the product and explain everything in a way I could understand. They didn't try to sell me anything I didn't need. I can't say enough good things about them it was great to do business with them and I will always call them for any problems! (Taneytown Customer)

The dealer was courteous and knowledgeable (Westminster Customer)

A1 is a "first class" company. We are extremely pleased with them (Sykesville Customer)

Thanks for the prompt service at a tough time of the year. (Westminster Customer)

Friendly, courteous and prompt. What more could you ask for? (Westminster Customer)

I couldn't have been more at ease having people in my house(all over my house) for a week. They were very professional, neat, caring, sociable, like part of the family! Mostly they were very efficient and hard workers and did their best to place ductwork strategically for the efficiency of the AC/Heat to conceal it with very little structural damage to the house and at the same time leave as much closet space as they could. We were quite pleased! (Westminster Customer)

They did a great job! Very pleased with the whole experience. Will know a little better once weather changes to see if AC is working. (Sykesville Customer)

Very professional, neat and clean. Excellent representative. (Taneytown Customer)

The installation of the new systems could not have gone any smoother! The workers were extremely courteous, thoughtful and very hard workers. They promptly got to work, and stayed on track all day. A great experience for us, much smoother and un-complicated than we anticipated! Thanks. (Hampstead Customer)

Good overall experience - exceptional dealer and very knowledgeable. Very happy with system so far. (Westminster Customer)

When we called to get a price and information they came out as soon as they could and sat down with me and was willing to answer anything I asked. Plus he let me know some things with out asking. I told him I need to talk it over and we would get back to him. He was fine with that and he was not pushy. He said here is my card with my name and phone number feel free to call me. They were very helpful. (Hampstead Customer)

Our heat pump went up on a week where it was over 90 degrees everyday A1 went out of their way to get us back with air- they started at 5 am and had to work in the attic for hours.... we are very satisfied (Westminster Customer)

Thanks A/1, Your guys were professional and the new boiler and circulators are a big improvement. (Manchester Customer)

Thank You for responding so quickly to our call for help with out air conditioner. Your technician arrived at our home at the designated time. He was efficient, knowledgeable and pleasant. He went over our invoice and answered out questions. We were pleased with the tech and with the completed job. Your company was recommended to us by a friend. (Westminster Customer)

Thank you very much for the quick, courteous & professional service we received in the installation of our carrier heat pump. The gentleman who came out could not have been more helpful and knowable; He is a real credit to your company. (Finksburg Customer)

Just a little note of thanks for your dedicated effort in helping us get our air conditioner fixed ! I am so glad that i spoke with my plumbing contractor, who referred me to you. While other companys simply put me on their list for the following day, you made the extra effort to get the job done on the same day, with 100 degree heat. I can't tell you how much we appreciated the personal interest you took in our problem ! Thanks so much. (Eldersburg Customer)

Just a note to say thank you for the wonderful installation of our air conditioning unit. The fellows who did the job were very careful about any mess and kept the dust and dirt to a minimum. They were truly nice young men. We will surely recommend you to anyone we know interested in heating and/or air conditioning. (Eldersburg Customer)

I would like to take this opportunity to express my gratitude to the crew that installed the air conditioning in my home. They were most cooperative and left everything neat and orderly when they departed. I would recommend your company to anyone in the future. Thanking you again and best of wishes. (Westminster Customer)

Joe, Many thanks to you for your attention to our new home. Things are shaping up for us to move in right after the 1st of the new year. The heating units are working fine and the house is warm and cozy. Merry Christmas to you and your entire organization. (New Windsor Customer)

We were very pleased with your service and help. It was a pleasure working with your staff. (Woodbine Customer)

The guys were just great, Very Neat (Westminster Customer)

Your office staff is Super (Pikesville Customer)

Everything and everyone could not have been better. (Randallstown Customer)

Great service, Fair prices ! Will recommend ! Please call me about a humidifier for my unit. (Westminster Customer)

I marked all "Satisfied" but i feel everyone did an excellent job, left everything clean and were good workers. (Westminster Customer)

I gotta say that we are really enjoying our new heat pump. It actually feels like radiant heat compared to what we did have. Your install team is great and I will recommend you to everyone that needs your service. Thank you again for the wonderful new heat, (Westminster Customer)

Thank you so much for being so punctual and efficient. I really appreciate it. (Westminster Customer)

Thanks for servicing us so promptly, We appreciate all you have done for us. (Westminster Customer)

The dealer and installer were both very professional and helpful. Home repair issues are usually lengthy and unpleasant and I appreciated the promtness of this company and their willingness to work with our schedule to get our unit installed so quickly. I would highly recommend A/1 Heating and A/C and I am so happy with the product we had installed. (Sykesville Customer)

It was a pleasure to deal with A1. All of the people involved from the office manager to the installation & start up tech were wonderful to work with. (Westminster Customer)

Thank You very much to Dixie and the tech for helping me on that cold February morning to get my heat going again. (Taneytown Customer)

Thank you so much for your expertise in caring for our heat pumps. Your professionalism and integrity is so appreciated, Thank You (Westminster Customer)

Thank you so much for the prompt, efficient service. We appreciate the nice cool house again. (Westminster Customer)

Installation crew was very professional. Salesman proposed an excellent solution for our older 2-sty home. We evaluated 4 different HVAC companies before selecting A/1. (Westminster Customer)

My wife and I are doing many improvements to our house including painting, doors, carpet, and HVAC. This was the most courteous, professional, and well mannered group of people to date. (Westminster Customer)

The crew was excellent. They worked quickly and efficiently and answered all of our questions.They installed the unit just as the temp rose to the high 90s, so that really pleased us. (Hampstead Customer)

Very satisfied. The guys were very polite and did a great job. (Union Bridge Customer)

A/1 and Joe We want to thank you for your work. We noticed how nice the work was done at the back of our house. A shout out to your tech for his helpfulness. (Sykesville Customer)

Thanks Joe. Your crew did an excellent job. (Hampstead Customer)

Joe & the A/1 gang, just a quick note to say "thank you" for doing such a great job of installing the new central heat/air system! They guys who installed it were thorough, polite, and knowledgeable. they were very patient answering my questions and showing me how to use the new digital thermostat, I was a little concerned about its complex appearance, but the menu is self-explanatory and I am really enjoying having remote access to it via wi-fi (not even the technical guru at my work has a digital thermostat). Also appreciate that the installers did a great job of cleaning up after themselves, esp in the house. Thanks Again (Westminster Customer)

Thank You for always taking such good care of us, I truly appreciate your caring nature. I wouldn't even consider using another company EVER! (Woodbine Customer)

Wonderfully pleasant peiple to deal with and kept us informed of when our installation would occur (Hampstead Customer)

Very professional attitude and installation by A/1 Heating and A/C (Westminster Customer)

Every single person that I've talked to from this company was just outstanding. This is the best home improvement contractor I have dealt with in the past 30 years of home ownership. (Westminster Customer)

The only reason I gave a 5 under resolved issues is that a part still needs to be replaced. We have not been waiting long, though. I have been very satisfied with all of the people I have had contact with from A/1. They did a great job at a great price. I will recommend them to others. (Westminster Customer)

The techs were informative and patient with all my questions! (Westminster Customer)

Very pleased with the overall experience so much so that I recommended them to my father for his air conditioning problems. He is very hard to please but they were able to take care of his problem in a timely and satisfactory manner. (Westminster Customer)

I am sending you this email to let you know how happy I was about my recent service call. The technician came out and worked for a long time on a unique problem my propane furnace was having. Only the manufacturer was able to determine the problem and your technician returned the next day and repaired the unit. A/1 also was kind enough to reduce the amount of hours they charged for labor for the 2 visits were over 5 hours total - and I appreciate this. The problem stemmed from an incorrectly installed part by another HVAC company in the area. I am glad that you took the time to find the CORRECT solution and appreciate your diligence. I will ALWAYS use your company for my service in the future and I will recommend you to all that I know! Thanks again! (Westminster Customer)

A/1 Heating & Air Conditioning made the entire process easy -- from explaining our options and guiding us through the process to completing the installation in a professional and timely manner(Westminster Customer)

Joe and A1 are exceptionally great in my book. I've been using them for years and I'm very happy with my Carrier purchase and install. (Owings Mills Customer)

My experience with A/1 heating exceeded my expectations.This is the first major home improvement project that I have needed as a single female. They made this a very enjoyable experience. Very apprehensive to do this on my own. But they handled every aspect of this in a very professional and helpful manner. And yes I will recomend them to others. (Westminster Customer)

Everything went beautifully. Couldn't ask for any better service (Westminster Customer)

The guys were great did an excellent job. Thanks for everything. (Westminster Customer)

Joe provided a comprehensive detailed proposal, with a good recommendation we hadn't considered. The install technicians were excellent. They worked well together, were respectful of us and our home, professional, congenial, knowledgeable, neat and tidy. The office staff were helpful and responsive throughout the entire process. (Hampstead Customer)

Thank you for your prompt response and excellent service. (New Market Customer)

Excellent salesman - great install (Westminster Customer)

Joe, I have to write about the exceptional service I received Monday and Tuesday with the installation of my two heat pumps. All the way from your office girls answering my million questions, to the installation, and the wrap up with your start-up tech. Everyone was very nice, very professional, polite, and patient. Your installation crew was very courteous and competent. They were extremely conscientious about the install and making sure I was happy. They cleaned up so well you would never had known there were two heat pumps installed at my house. Your start-up tech spent time after the install to explain the system and its operation and answer my questions. He as well was very polite and courteous. After receiving three bids, I can say after meeting your employees, I am glad I chose A1 Heating and Air Conditioning. I would have no problem recommending your company to anyone. Thank you. (Eldersburg Customer)

Great people been doing business with them for over 20 years (Westminster Customer)

A1 was very knowledgeable and very patient during the entire process. I requested several comparisons on various Carrier units and Mr. Ferrera took a great deal of time to explain each system and answered all of my questions with detail. During the installation, everyone was extremely friendly and courteous ? from scheduling through the final walk through of the new system. I would definitely recommend A1 and Carrier as a winning combination! (Westminster Customer)

They were prompt, efficient and NO surprises. (Woodbine Customer)

A/1 Heating & Air Conditioning, Inc. did a phenomenal job! Everyone, from the sales rep to the office staff to the installation team, was friendly, helpful, and knowledgeable. The installation team was punctual, organized, meticulous, thorough, highly skilled, very professional, and obviously experienced. We were extremely pleased and would recommend this dealer without any hesitation. (Finksburg Customer)

Joe Ferrera and his entire staff were extremely professional, knowledgeable and did everything possible to satisfy me during the installation of the Carrier system. I would highly recommend them to anyone in need of HVAC repair or installation of a new system. (Hampstead Customer)

The dealers crew to include the receptionists have been very prompt, courteous, and helpful. They helped me understand to pick the right unit I needed for my home. They were flexible and accommodating to their customers need. I felt comfortable working with the whole crew that I made it a point to know each of them by their names. I would definitely recommend them. (Owings Mills Customer)

We were extremely impressed by the courteousness, knowledge and helpfulness of every employee we encountered. (Sykesville Customer)

We will recommend. A/1 Heating & Air Conditioning,Inc They are great (Westminster Customer)

Very pleased!!!!!!! (Reisterstown Customer)

The installers were professional and courteous and did not mind taking the time to answer any questions we had in regards to installation performance and any basic installation questions we had. Your technician was absolutely fabulous. He is extremely knowledgeable about everything to do with the entire process of installation, operation and maintenance of our new system. He is also very courteous and helpful. Overall, the entire company was fantastic. From the moment we called for repair throughout the entire process of finding a system that would be the best fit for our home. We will not hesitate to recommend this company and product to all our friends and family. (Taneytown Customer)

Very nice to deal with. Would highly recommend! (Eldersburg Customer)

A/1 Heating & AC, Inc was a pleasure to deal with - from receptionist to quote to installers to final tech for explanations. (Marriottsville Customer)

We are very pleased with A/1. (Hampstead Customer)

No Pressure, Easy to talk to and knowledgeable on Carrier products. (New Windsor Customer)

A-1 put my first system in 16 years ago it was a Ruud. When Joe came this time he showed every system Carrier had. Dixie and Kelly were also very helpful. The service people have great knowledge of the system from Carrier and explained the workings of my system. (Westminster Customer)

I would use them again. (Manchester Customer)

A1 has done work for two of my neighbors so I called them. They really have a first class operation and their staff is extremely professional and customer focused. (Westminster Customer)

The dealer was very knowledgeable about the product and was very helpful with information about the rebate, tax credit, etc. (New Windsor Customer)

Joe took the time to explain how the units should be sized and confirmed what replacement unit size I should get. (Westminster Customer)

I want to thank you all for everything you did to make our new HVAC system installation go so perfectly. I also want to let you know how great your techs were. They worked steadily all day, were polite and courtious, and did a neat, clean job. They deserve a gold star for a job well done. Our sincere thaks to you all. (Taneytown Customer)

They were extremely prompt and were able to answer all of my questions in a manner that was easy for me to understand. Very friendly. I received excellent service. (Westminster Customer)

We have always been impressed with the entire staff at A-1 Heating. Repair or installation..top notch service each and every time. Joe Ferrera runs a class organization. (Westminster Customer)

The whole team was simply a joy to work with. The guys who came to the house were very professional, as were the sales team. I could not expect any more! (Westminster Customer)

We've been without heat for a number of days. A1 was the 3rd company we called and were the most responsive/timely. Very helpful. (Sykesville Customer)

I had invited 4 HVAC(2 Carrier/2 Trane)contractors to furnish and install two Rebate qualified Heat Pump systems. My home is in a rural setting where electric is the primary energy source. A/1 stood out among the rest as responsive to my needs and concerned I was well informed concerning this decision. A/1 installed two complete turnkey 16.5 seer Heat Pump systems including second floor exterior slimduct in less than 48 hours. The installation team was outstanding and extremely professional. (Westminster Customer)

Joe Ferrera was very proficient and professional. His crew was clean, friendly and prompt. (Reisterstown Customer)

Joe did an excellent job from the time he showed up for the estimates, to all of my e-mails, to the time the job was done. The workers were exceptionally clean cut, very nice, very knowledgeable. We can't even tell anyone was here working they cleaned the house so good. This company is an A++++++++ in my book. From price to work. I would recommend them to anyone. My parents will be calling for an estimate on replacement ac (Finksburg Customer)

A1 heating took the time to help my family in our time of need and hardship. They are a top notch company with heart and understanding. (Westminster Customer)

Service was excellent and prompt (Westminster Customer)

The installers were exceptionally pleasant, knowledgeable, and very helpful in explaining the system and how it operates and also the programming of the thermostat. They kept their work area clean and organized, and I would welcome them back anytime. (Finksburg Customer)

Very positive experience. (Westminster Customer)

A/1 was great (Westminster Customer)

Every step of the process could not have gone smoother from the analysis and proposal of what I needed through the professional installation. (Sykesville Customer)

Professional and courteous service. Treated my home as their own. Would highly recommend A/1 to all my friends and colleagues. (Manchester Customer)

Very Satisfied (Westminster Customer)

Thanks so much for your prompt and efficient service. Our tenants felt privileged to have cool air again on Monday after the Memorial Day heat. Sincerely (Westminster Customer)

We were very pleased with the service we received. The installers were very pleasant and worked very efficiently. We would definitely recommend A/1 Heating. (Sykesville Customer)

Thank you very much for your prompt response. Will pass it along when others are in need. (Mt. Airy Customer)

The dealer was very responsive, professional and polite. (Westminster Customer)

Installers were well versed in the installation procedures. I was impressed that they had a micron gauge and knew that they had to add refrigerant due to an extra long run of low and high pressure lines. Not only did they evacuate the system but took it to 200 microns and held it there for 45 minutes. I was impressed. I know enough about Ac units not to be fooled by inexperience persons and was delighted to see that A1 had real technicians working on my property. (Hampstead Customer)

Everyone is extremely friendly and made sure we had all of our questions answered. (Westminster Customer)

A/1 was awesome from the time they came to give the quote til the time they left after the install. Very professional group. Would recommend to friends and family. (Westminster Customer)

Very professional yet feverishly helped to resolve our HVAC issues. (Finksburg Customer)

Very thorough.... friendly and neat. (Reisterstown Customer)

Very prompt, and had allot of knowledge about the system that was best for my home. (New Windsor Customer)

Great to deal with !! (Eldersburg Customer)

We are happy with our decision to purchase a Carrier system. So far so good, as I can't really recommend the product until time passes and Carrier stands behind their product if something goes wrong. The dealer was very good seems A/1. We hope to have this system for many years to come. Thanks. (Sykesville Customer)

Joe Ferrera and all of his staff at A/1 Heating & Air Conditioning, Inc. went above and beyond the high expectations we already had for this company. Even as Joe Ferrera was walking through our home, making notes to give us an estimate for the installing an air conditioning unit, he gladly stopped to answer all the questions we had. His estimate came within a few days after his home visit and still took the time to answer several other questions we had before making our decision. The technicians that installed our unit, Chad and Matt were very courteous and extremely knowledgeable of their work. Nick, the technician who "charged" our system and explained the computerized Infinity Control Thermostat so we could easily understand its workings and we feel very confident that we will have no trouble with the program. We had contact with both Dixie and Kelly in the A/1 office and greatly appreciated their professional customer service. We believe A/1 did a great job! (Manchester Customer)

A1 Heating and Air Conditioning did their absolute best to nurse our VERY OLD heat pump back to health for six years. Once, the tech worked through a tornado warning to get our unit up and operational. My wife and I were hoping A1 would come through with the most competitive bid when our old unit finally failed. And they did. Thrilled with our new unit so far and appreciative of how hard the crew worked to get the transition complete. (Westminster Customer)

Great Work.... (Finksburg Customer)

A+ Experience from start to finish! (Sykesville Customer)

Great Staff! Excellent Customer Service! Would recommend to all my friends! (Sykesville Customer)

Your service man is so nice and he was here last year. Just wanted to say "Thank You" He is an asset to A/1 (Hampstead Customer)

We just wanted to let you know how much we appreciate and value you ! A/1 staff and tech personnel have been wonderful to us over the years...Always courteous, considerate and above all dedicated to assuring that our system keeps us comfortable all throughout the year. Thank You very much for the bill adjustment too. (Westminster Customer)

I was very impressed with the crews knowledge, workmanship, professionalism and how personable they were. They made the whole experience much more pleasant than I expected it to be. I would definitely recommend A/1 to my friends and family. (Westminster Customer)

Dixie, Thank you so much for diligently following up on this! We chose A1 for a reason and you - as a company and as every individual we have met throughout our heat-pump buying process - has proven to us that we made the right choice. (Westminster Customer)

A/1 installed our unit with consideration of our home not having any means of cooling and our work schedule as well. Great customer service, had many calls from them to let us know install date and times. Thanks so much. (Taneytown Customer)

I am extremely pleased with my new Carrier furnace / A/C unit and also with the installation that A/1 Heating and Air Conditioning provided. I was very impressed with the knowledge, workmanship, professionalism, courtesy and how personable the technicians were. They made the whole experience much more pleasant than I expected it to be. I would say my service was outstanding. (Westminster Customer)

Great friendley, knowledgeable company. (New Windsor Customer)

Very satisied with the whole ordeal. (Hanover Customer)

Wonderful Job, wonderful people to work with. (Hampstead Customer)

We were impressed by the knowledge of each of the personal and owner to assist us in his process, especially at a peak time for emergencies. (Westminster Customer)

Great!! No Problems. (Millers Customer)

Joe and all the employees I spoke with were great! you usually don't get service like they provide - very impressive! (Westminster Customer)

Everybody at A/1 Heating & A/C are a pleasure to deal with! I have used them for years, for my maintenance & repairs. From the ladies in the office, to the techs that come to my house, they are the greatest! That's why they are one of Carroll's County's Best every year! Another job "Well Done" (Westminster Customer)

Thanks, Great Job (Taneytown Customer)

Thank You! The guys did a great job!! (Westminster Customer)

Thank You for your wonderful service! (Westminster Customer)

Send Chris anytime, Good to see a young man that is courteous and seems to like his job! (Westminster Customer)

Hello Mr. Ferrera, I just wanted to send you a quick note to thank you for your great service all around. I really appreciate that you gave the quote quickly to me last Friday. And today, your service workers were super and I'm very pleased and will recommend your company to anyone that I can. Thanks so much. (Sykesville Customer)

Thank you, We are enjoying the cool air (Westminster Customer)

Joe, It was a real pleasure doing business with you again, Your team was terrific. (Westminster Customer)

Thank You, Your Tech was terrific to work with. (Upperco Customer)

I wanted to thank you and your guys for your work in getting the new heating system installed. I appreciate your helpfulness and quick responses in getting the details worked out. Joe was great in answering my many questions and helping to determine the system that would be best for my home. Your crew did an outstanding job installing the new equipment. I would be happy to provide a good reference. Please extend my thanks to the others. (Mt Airy Customer)

Thanks so much for prompt service and the service tech was very knowledgeable and helpful in showing me things. (Union Bridge Customer)

We would like to thank you very much for your prompt service and for working so hard to keep our cost down for the service work. It is greatly appreciated. (New Windsor Customer)

Awesome job. The guys were very kind and professional and the air works!!! we are in heaven. Thank so much. (Manchester Customer)

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