Top-rated heating and air conditioning pros.

Best heating and air conditioning pros near Highlandtown, MD

Enter your zip and get matched with up to 5 pros

Need a pro for your heating and air conditioning service project in Highlandtown, MD?

Select your specific project to find the pro for you.

TRUSTED BY HIGHLANDTOWN, MD HOMEOWNERS

  • 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 couldn?t be happier with the experience. Graham Solution handled the entire installation from start to finish, and the quality of the work was outstanding. He was professional, knowledgeable, punctual, and paid close attention to every detail. The installation was completed efficiently, everything was left clean when the job was finished, and the system works perfectly. It?s hard to find someone who takes this much pride in their work, and it definitely shows. I highly recommend him to anyone looking for reliable, high-quality HVAC installation. Excellent workmanship and great customer service from start to finish!"
HVAC
HVAC
HVAC
HVAC
HVAC

+5

2 neighbors recently requested a quote
Avatar for Regal Duct Cleaning
Regal Duct Cleaning
4.9(
69
)
Air Ducts & Vents - Clean

Serving Highlandtown, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2017

Free estimates

Credit card accepted

"I used Regal Duct Cleaning today. Our home is 60+ years old. We have only lived in it for 20 months and there was more dust, dirt and webs than I had ever imagined. Julius and his crew arrived at the scheduled time. He was extremely professional. We went from room to room looking at every every vent, cold air return. His crew worked for five hours, cleaning the ducks, dryer vent and installed a UV light. I highly recommend Regal Duct Cleaning . I will definitely use them again! To see the before and after pictures was a real eye opener. Great Job!"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+12

Response time8 hrs
Recommended by92%of homeowners
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

"Great! He provided additional information, suggesting I install a UV Light Air Purifier to my HVAC system. Which would help eliminate the possibility of mold growing in my vents."
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%
51 neighbors recently requested a quote
Avatar for At Your Service Heating & Cooling, LLC
At Your Service Heating & Cooling, LLC
4.3(
194
)
Electric Furnace / Forced Air Heating System - RepairGas Furnace / Forced Air Heating System - RepairGas Boiler or Radiator Heating System - Repair+1 more

Serving Highlandtown, MD and surrounding areas

Approved

In business since 2013

Free estimates

Emergency services offered

"Their technician Jason Lord was a true professional. Not only was he proficient and highly skilled at his craft but was a true professional with his customer service skills. It is very rare to have both qualities of mechanical skills and customer service expertise. I would recommend this company to anyone that needs HVAC repair."
Dundalk
Billboard 2
Billboard 3
Billboard 4
Billboard 5

+1

Response time11 hrs
Response rate95%
2 neighbors recently requested a quote
...
Showing 1-10 of 618
Heating and Air Conditioning FAQs, answered by experts

It depends on how fast an HVAC technician can resolve the issue. First, if there's a refrigerant leak, you’ll want to keep small children and pets out of the house. Next, you’ll want to turn off the AC unit to ensure no more freon enters your home. Finally, you’ll need an AC technician pro to come to your home and fix the leak immediately. Ultimately, it’s best to leave your home if you discover a freon leak—the risk of exposure is very high, and it’s not worth risking your health to stay.

AC evaporator coils should be cleaned at least once per year to keep your unit in good condition. For optimal performance, consider cleaning them twice a year—once before and once after the main cooling season. More frequent cleanings may be necessary for older systems, units with performance issues, or those in climates with high levels of humidity, dust, and dirt.

Setting your AC unit to 78 degrees can, indeed, help you save energy. In fact, according to experts, every degree you turn the unit up could save you between 1% and 3% on your energy bills. That said, turning your unit off entirely while you’re out might actually be less efficient than keeping it on at a higher temperature. Why? The unit will need to work extra hard to cool the house back off again after all those hot hours. 

One of the first signs of mold in an air conditioner is a musty smell. You're likely to notice the smell when the unit runs, from the air coming out of the vents or the unit itself. You may also be able to see mold growing on the unit, such as near the condenser coils or by the fan. In some cases, there may be visible mold by the vents.

A home AC unit provides anywhere from one-half to five tons of cooling and requires approximately two to four pounds of refrigerant per ton of cooling. At approximately five to 10 minutes to fill one pound of refrigerant, a home that requires three tons of cooling will take about six to 12 pounds of refrigerant and approximately 30 minutes to two hours to completely recharge the unit.

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.