Trusted HVAC Services in Central Maryland
& Southern PA

What our customers are saying

My wife and I had a 2006 furnace, that for the past 2 years have been on and off during hot summer and freezing in winter. We had several different companies come and look. Every person that came, made up an excuse on how the system was old and it just needs to be replaced. Each maintenance visit was really expensive. Last year, we had 2 AC towers on and we were still sweating. For the past 5 months, we’ve been struggling to feel normal in the house, wearing extra layer of blankets and clothes just to not freeze at night. We thought we lost hope in companies…until we found Rosa heating and cooling. When I called to speak with the company, Sandra responded. She was nice and super pleasant to speak with. Even though, our address was out of their typical service area, Sandra and Robert were both kind enough to make an exception. The first time when they came to the house and started looking into the problem was the day Robert figured out the problem. Apparently, wiring wasn’t set up correctly in the previous furnace which caused an issue with the system working properly. We also had 2 stage outside and 1 stage furnace which we were told before would be compatible and would work with maximum efficiency….which isn’t even true (smh). Robert was very thorough in his research. He explained all the details, showed where things needed to be updated, and informed us of everything we needed to know. We decided to replace the whole system along with the coil. The work was done quickly. Sandra and Robert are really professional and pleasant to work with. If you need someone to do the JOB right, then reach out to Sandra and Robert. We trust in Robert’s experience and knowledge to ACTUALLY correct the problem. Thank you again, Sandra and Robert, you guys Rock!!!! – We really appreciate you helping us!!!!

Vlad K.

ROSA saved me hugely. On the coldest night in three years, they came out in the dark and made sure I had heat. Their professional, on time and efficient. Customers service is exceptional. They give you options, they explain to you in terms that the average person could understand for an HVAC company. Service calls cost are fair with todays market. Many thanks!

Bonita Y.

ROSA has been professionally maintaining my HVAC equipment as part of a full-service contract for my home system. They are really great at communicating and getting the services set for working on my home system. Check them out and see.

Craig E.

Incredibly reasonable prices. Competent diagnosis of the problem. Well executed repairs. Really great to work with. These folks are keepers!

Sami S.,

Rob and Sandra are great! Rob replaced both my fathers and my AC/furnace at a very fair price and is super professional. He was punctual and responsive. He also took the time to educate me on all the different options I had. As a first time homeowner, I didn’t know what options I really had and what would be cost efficient – that can make it easy for someone to take advantage of financially. Rob talked with me for 45 minutes explaining all the options and sent over various quotes. 10/10 recommend!

Melissa D.

This is a great company. Robert knows geothermal systems and has cleaned up other technicians poor workmanship. I highly recommend them!

Stewart Z.

Fast, professional, awesome service! Gives you what you need with out upselling and over excuses! Perfect!!

Jerry J.

I would highly recommend this contractor. The owner really is: personable, timely, an expert in his field, does very good work, neat, very reasonable, sensitive to urgent needs, you know he will get the job done right the first time and the job will meet the local codes. I was also impressed with the operation: scheduling the appointment, text message of time of arrival, online billing. I worked for 2 major electrical manufactures for 25 years, had responsibility for electrical contractors, and my father was a contractor for 30 years, so I know contractors. This should be the first contractor you call because it is a very well run operation and I am glad I called them to take care of my urgent need for HVAC work. Sincerely, Carl Jablon

Carla J.
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Areas We Service

Cockeysville, MD
Ellicott City, MD
Freeland, MD
Glenville, PA
Hampstead, MD
Hanover, PA
Littlestown, PA
Lutherville, MD
Manchester, MD
McSherrystown, PA
Owings Mills, MD

Phoenix, MD
Pikesville, MD
Reisterstown, MD
Roland Park, MD
Ruxton, MD
Taneytown, MD
Towson, MD
Upperco, MD
Westminster, MD
White Hall, MD

Areas We Service

Cockeysville, MD
Ellicott City, MD
Freeland, MD
Glenville, PA
Hampstead, MD
Hanover, PA
Littlestown, PA
Lutherville, MD
Manchester, MD
McSherrystown, PA
Owings Mills, MD

Phoenix, MD
Pikesville, MD
Reisterstown, MD
Roland Park, MD
Ruxton, MD
Taneytown, MD
Towson, MD
Upperco, MD
Westminster, MD
White Hall, MD