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  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon564
    Verified heating and air conditioning services reviews

Top-Rated Heating and air conditioning pros in Highlandtown - Updated Nov 2026

Avatar for Graham Solution LLC
Graham Solution LLC
5.0(
19
)
Central A/C - InstallElectric Furnace / Forced Air Heating System - InstallCentral A/C - Service or Repair+6 more

Serving Highlandtown, MD and surrounding areas

Approved

In business since 2020

Free estimates

Warranties offered

"I had a great experience with this HVAC company! They were professional, arrived on time, and quickly diagnosed the issue with my air conditioning unit. They explained the repair clearly, completed the work efficiently, and had my AC running perfectly again. The technician was courteous, knowledgeable, and took the time to answer all of my questions. I really appreciated the honest service and fair pricing. I highly recommend them to anyone looking for reliable HVAC service!"
HVAC
HVAC
HVAC
HVAC
HVAC

+5

2 neighbors recently requested a quote
Avatar for The Best Air Quality and Restoration
The Best Air Quality and Restoration
4.8(
236
)
Air Ducts & Vents - Clean

Serving Highlandtown, MD and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"This was hands down the best most professional service company I have ever used! I highly recommend this service to anyone who is considering air duct cleaning. I had been told that my vents were fine by the service that installed our new heating and air system. But I still noticed a great deal of dust in the house. Plus my husband was coughing all the time. When the team came out to clean I was completely amazed at all the lint and dust they removed from the vents. It was probably a garbage bag full. Can't believe we were breathing that! All I can say is if you have never had this service, please do. They also found some black mold upstairs and treated it. Very affordable too! Thank you to this amazing team of professionals!"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+50

Response time10 hrs
1 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for AMERICAN HVAC SOLUTIONS LLC
AMERICAN HVAC SOLUTIONS LLC
5.0(
9
)
Central A/C - InstallGas Furnace / Forced Air Heating System - InstallElectric Furnace / Forced Air Heating System - Install+15 more

Serving Highlandtown, MD and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

"American HVac solutions did amazing job for my A/C repair. We have had an AC issue for 6 months . Now this company fixed the problem fast . they are reliable and fair priced . Mr Yonas is amazing specialist and great experience . I definitely recommend using this company."
New system replacement
New system replacement
New system replacement
New system replacement
23 neighbors recently requested a quote
Avatar for Supreme Service Today
Supreme Service Today
4.4(
475
)
Central A/C - Service or RepairGas Furnace / Forced Air Heating System - RepairHeat Pump - Repair or Service+4 more

Serving Highlandtown, MD and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"Overall the job went well. We needed a new HVAC system which included a new gas furnace and new AC unit. The sales rep was punctual and responsive to questions. The installation team was punctual as well. The B ratings in some categories is due mostly to communication issues to occurred. Apparently some of the things the sales rep agreed to with us were not communicated to the installation team, so when they invited me down to inspect the work three minor items had not been completed. After I brought it up, the installation team offered to do the work in order to ensure I was satisfied, but they also brought up some valid points on why having that work done may not be what I actually wanted. Therefore I was confused. After calling the company main office, the owner owner called me back within 30 minutes to talk through options to ensure I was satisfied with the job. We agreed that two minor items didn't need to be changed, and he offered an upgrade on the third item, at no additional cost to achieve the functionality that was missing from the third minor item. That component was installed the next day. Lastly, the installation team missed some small trash items when they cleaned up the exterior part of the job."
Response time1 day
Response rate100%
48 neighbors recently requested a quote
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Heating and Air Conditioning FAQs, answered by experts

You can run an HRV with air conditioning—assuming that you decide to keep the system on during the summer. The HRV will continue to bring in fresh outdoor air, which will then flow into your AC unit and cool down your home. It will also keep moving the stuffy indoor air out of your house.

Yes, a mini split AC system can replace central air—and quite easily, too. Since mini splits don’t require ductwork, homeowners can convert their central air system to a mini split to save money and energy. Consult with an HVAC professional to learn more about the process of replacing your central air with a mini split.

Not if you have a standard unit. Because portable AC units actually work to dehumidify the room, you’ll likely need to drain the unit from time to time—but you won’t have to put water into it. There is, however, another type of air conditioner called a swamp cooler that requires water to operate. If you have a swamp cooler, you may need to fill a reservoir with water and potentially ice. But a swamp cooler is different from a standard portable AC unit.

Evaporator coils in HVAC systems typically last around 10 to 15 years. However, their life span can be longer or shorter based on factors like the frequency of your HVAC system usage, whether regular maintenance is performed, and environmental conditions. Regular maintenance, such as HVAC system cleaning and coil inspection, can extend the durability and efficiency of your evaporator coil.

The average life span of an HVAC system is 15 to 20 years. Even if your old air conditioner is still functional, it isn't as energy-efficient as a newer system (especially one with an Energy Star designation). Older HVAC systems aren't as efficient, and the 10-year mark is when you should start making full system replacement plans. Twenty years in, that plan should be well underway rather than waiting for the unit to die.

The Highlandtown, MD homeowners’ guide to heating and air conditioning services

From average costs to expert advice, get all the answers you need to get your job done.