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Best heating and air conditioning pros near Darlington, MD

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TRUSTED BY DARLINGTON, MD HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon160
    Verified heating and air conditioning services reviews

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

Avatar for Pure Air HVAC, LLC
Pure Air HVAC, LLC
4.8(
73
)
Gas Furnace / Forced Air Heating System - RepairElectric Furnace / Forced Air Heating System - RepairElectric Furnace / Forced Air Heating System - Repair - For Business+4 more

Serving Darlington, MD and surrounding areas

Approved

In business since 2009

Free estimates

Credit card accepted

"Really fast and professional service when our HVAC broke in the peak of summer. Had it up and running in almost no time. My advice to first time homeowners like me in these cases is to always make sure you know what repairs and actions are being done. It'll help in regards to money."
Carrier Infinity 16 SEER Heat Pump
Masters license
Carrier Infinity Series 16 SEER Heat Pump
Carrier 90% Propane Gas Furnace
Carrier Heat Pumps 16 SEER

+8

Response time5 hrs
2 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for The Best Air Quality and Restoration
The Best Air Quality and Restoration
4.8(
236
)
Air Ducts & Vents - Clean

Serving Darlington, MD and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"Timely, efficient, response. Identified a minor mold issue and applied appropriate treatment. Poor quality filters on equipment left a film of fine dust everywhere near a vent. Recommend upgrading vacuum filters to finer screen."
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+50

Response time10 hrs
1 neighbors recently requested a quote
Recommended by93%of homeowners
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 Darlington, 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
Avatar for Mack's Home Services, LLC
Mack's Home Services, LLC
4.7(
603
)
Air Ducts & Vents - Clean

Serving Darlington, MD and surrounding areas

Approved

In business since 1993

Free estimates

Emergency services offered

"Mack is dedicated to what he does and went out of his way to diagnose my problem and link me with HVAC personnel who could address related issues. He cleaned my ducts perfectly and my system is working well now."
Response time3 hrs
1 neighbors recently requested a quote
Recommended by99%of homeowners
Comfort Air
5.0(
12
)
Central A/C - InstallCentral A/C - Service or Repair

Serving Darlington, MD and surrounding areas

Approved

In business since 2018

Free estimates

Credit card accepted

"Scott called me back within hours and set up the schedule to fix my sisters broken A/C unit the next morning. The 2 gentlemen that did the repair (I wish I had gotten their names were friendly, professional and helpful in showing my sister had to work the thermostat and hints on cleaning filter and some tubing. Would not hesitate to call again"
Response time11 hrs
Recommended by91%of homeowners
Avatar for Horizon Services, LLC (MDE)
Horizon Services, LLC (MDE)
4.2(
15
)
Central A/C - InstallCentral A/C - Service or RepairHeat Pump - Repair or Service+10 more

Serving Darlington, MD and surrounding areas

Approved

In business since 1989

Free estimates

Emergency services offered

"We've had two HVACs and a water heater installed and I would not use them again. They offer an extended warranty that beats their competitors, but their service plans are misleading and after installing one of our A/C units and supposedly doing "maintenance" on it a year later, we learned when we went to replace a filter ourselves that they couldn't have replaced the filter at the last service because the filter cannot be replaced due to the way they installed the unit. We were told on two separate occasions that we had a service plan with them, but when they were scheduled to do our maintenance, they called to say that we didn't have a service plan, it was canceled due to non-payment (it was never communicated that our plan had lapsed during three subsequent calls). Trust the negative reviews and go with another company"
Tech with Condenser
Tech greeting
Tech with Furnace
Tech checking  Condenser in Snow
Horizon Truck in the Fall

+2

6 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for Ground Loop Heating & Air Conditioning, Inc.
Ground Loop Heating & Air Conditioning, Inc.
4.8(
8
)
Geothermal Heating or Cooling System - InstallGeothermal Heating or Cooling System - Service

Serving Darlington, MD and surrounding areas

Approved

In business since 1990

Free estimates

Credit card accepted

"Mike Cullum is extremely knowledgeable, very courteous and responsive, with many years specializing in the area of geothermal. Very willing to explain and answer any questions, ensuring customer understanding of what's going on. Worth paying for the experience, quality, and good communication."
Water Furnace Geothermal Unit Installed
Geothermal Unit, Intellizone, & Storage Tank
Water Furnace Loop Pump
Response time2 days
1 neighbors recently requested a quote
Recommended by85%of homeowners
Avatar for Aire Serv of Bel Air
Aire Serv of Bel Air
4.7(
6
)
Central A/C - InstallElectric Furnace / Forced Air Heating System - InstallCentral A/C - Service or Repair+47 more

Serving Darlington, MD and surrounding areas

Approved

Super Service Award Winner

In business since 1999

Free estimates

Emergency services offered

There are many reasons to confidently choose Aire Serv as your provider of heater and air conditioning services—both commercial and residential. With more than 200 locations throughout the United States and Canada, Aire Serv is a trusted name in the field of heating and air conditioning installation, maintenance, and repair. We are proud of our reputation for putting clients first and getting the job done right the first time, every time.\n\nNo Overtime Charge\nAnytime Service\nUpfront Pricing\nFixed Right Promise\nExpert Service Professionals\nTestimonials\nAdvantage Plan (Maintenance Plan)\nGuarantees\nFlexible Financing over $200\nSERVICES\nInstallation\nGas Furnaces\nOil Furnaces\nAir Conditioning Systems\nHeat Pump Systems\nMini Split Systems\nOil Boilers\nGas Boilers\nModulating Boilers\nCommercial Boilers\nWater Heaters\nOil Tanks\nOil Lines\nGas Lines\nDuct Work\nService\nGas Furnace Repairs\nOil Furnace Repairs\nAir Conditioning Repairs\nHeat Pump Repairs\nMini Split Repairs\nOil Boilers Repairs\nGas Boiler Repairs\nModulating Boiler Repairs\nCommercial Boiler Repairs\nGas Leak Detection\nPropane Leak Detection\nOil Water Tests\nMaintenance\nGas Furnace Tune Up\nOil Furnace Tune Up\nAir Conditioning Tune up\nHeat Pump Tune up\nMini Split Tune up\nOil Boiler Tune up\nGas Tune up\nModulating Tune up\nCommercial Tune up\nDuct Cleaning\nCleaning\nSanitization\nMaintenance\nSealing\nReplacement\nDryer vent cleaning\nVideo inspection\nAir purifier installation\nAntimicrobial coating treatments\nDuct leak testing

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+130

12 neighbors recently requested a quote
Recommended by66%of homeowners
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Heating and Air Conditioning FAQs, answered by experts

A blocked return air vent can cause your HVAC system to work much harder and, therefore, less efficiently. The result is higher utility bills and poorer air quality. A blocked return air vent can also cause unpleasant dust, dander, and odors to linger in your home’s air.

The cost to install a ductless mini-split AC system ranges from $2,000 to $14,000, depending on the type of unit, the number of zones or rooms, and the complexity of the installation. On the low end, a system for one or two zones in a single room costs around $2,000. Covering two zones for more rooms can cost between $6,000 and $8,000. For a larger multi-zone system to cover an entire home, costs can be $14,000. If you don’t already have an AC system in place, you may need to add the cost of permits, an electrician, and a concrete pad.

To keep your air conditioner in good working condition, you should have it serviced by a professional at least once per year, ideally in the spring before the cooling season begins. If your AC unit is 10 years or older, consider servicing it twice a year (once in the spring and once in the fall) to catch potential problems early and help it reach its full lifespan. During a service visit, a technician will inspect, clean, and replace parts as needed. Regular maintenance helps avoid costly repairs. As a DIY task, you can also clean the evaporator coils annually.

Yes, it’s best to turn off an AC unit that’s blowing hot air to prevent system damage and avoid expensive energy bills. If you let the AC continue running, it will put more strain on the condenser coil and compressor. Plus, if the AC is blowing hot air because of a refrigerant leak, it can also lead to a frozen evaporator coil.

Dirty filters are almost always the cause of poor airflow, so they should be regularly cleaned and then replaced as needed. The fan blades can also get dirty, so they should be cleaned when the unit is turned off. Make sure that the outdoor area around the back of the unit is unobstructed. Trees, shrubs, trash, and other objects could be too close to your unit.

The Darlington, 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.