Get matched with top central humidifier installers and replacers in Rocky Ridge, MD

"The replacement of my a/c ( with indoor coil) and furnace was handled in an extremely professional way. Holtzople Heating and AC helped me to find the best replacement units for my 20 year old Trane system. I am impressed with the knowledge of the sales person sent to provide quotes. I am also impressed by the skill and meticulous care that the installers took while replacing my entire heating and cooling system. Within a day, they took out my old system, installed the new system up to factory specs, tested and made sure all phases of heating and cooling were functioning as they should, and cleaned up, taking away all of the old unit, leaving nothing behind. The last thing the head installer told me was that a quality control team would be in touch and be coming in within the next two weeks to make sure everything was continuing to operate as it should. This attention to detail, and customer satisfaction is what has impressed me the most about Holtzople Hearing and A/C."

"Blake M. was able to work thru issues created by installation in a double wide vs. a stick built house. Service was professional and pleasant. Blake kept me informed every step of the way toward project completion. Area was left spotless."

"We decided to replace our 16 year old AC and furnace as we wanted to prevent possible problems with our HVAC system. The heating consultant that they sent, Alex H, was very friendly and knowledgeable. He provided us with estimates for a number of options - similar to those from other HVAC companies that quoted for this work. A day later I received a call from Blue Dot offering a discount on that quote and we accepted that quote. Alex made the one and a half hour drive to visit with us again, to walk us through the contract details, and to explain install process. This was a really nice touch as usually contracts are signed electronically these days. The Blue Dot install team came on time on the scheduled day and did a neat and professional job with the install - performing all the necessary checks and tests, and left the work area clean and tidy - and with the HVAC systems working well. The whole purchase and install process couldn't have gone smoother. We are very happy with BlueDot and will certainly use them again preferentially for our HVAC needs."

"Darryl McDowell, the technician from ARS of Laurel, did an outstanding job while performing my AC tune-up/inspection. He was extremely knowledgeable and very professional; explained all findings in a thorough and easy to understand manner. As a result of his honest assessments and diligence in addressing all issues in a very comprehensive manner, I feel confident moving forward with needed repairs and/or system replacement. Without a doubt, he provided the best service ever!"

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

"Just started working with Markool this summer and they have been fantastic! When I need service, they are so fast and every person we have interacted with has been polite, knowledgeable and personable. We unexpectedly needed to replace our system during a heat wave and they were super. So responsive and quick. I would highly recommend Markool for all of your HVAC needs!"

"Replaced air conditioning unit. Super nice brought us portable a/c units until installation was completed. Very professional and easy to deal with."

"When my desk top computer failed I called Mr Ferrell. His response time was excellent; arriving at my home the same day I called.
He called me back that evening to update me on what he found. He replaced the power supply and did a virus scan and returned the computer to my home within 48 hours. I found him to be computer savy and very friendly. If we have computer issues in the future I will contact Mr Ferrell.


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"Mike and his crew installed a new oil fired furnace and central air conditioning. The low ceiling in our basement required Mike to come up with a duct design that no other vendor could match. The whole installation was done in one day. Mikeà ¢à  à  s crew were very efficient and friendly. Also Mike was the low cost bidder. I highly recommend Tettris."

"Alder Cruz and his company American Air is our HVAC Company. Alder has taken care of our HVAC needs since his first visit to our home @2015. He uncovered an intermittent problem with our system that was not found by several other specialists/companies. We were spending over $300 monthly having different people trying to help us. Alders persistence and technical skills are top notch! He continues to provide us superior service. He has replaced both our heating systems. One system was switched from gas to electric. He made it so easy for us. They respectfully cleaned up any mess they made. Work is performed on time and within budget. We unhesitatingly recommend American Air / Alder Cruz for all your HVAC needs. ~Tom & Deb Canfield"