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TRUSTED BY HILLANDALE, MD HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon789
    Verified heating and air conditioning services reviews

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

Avatar for HVAC Superior Solutions Inc
HVAC Superior Solutions Inc
5.0(
6
)
Central A/C - InstallElectric Furnace / Forced Air Heating System - InstallGas Furnace / Forced Air Heating System - Install+47 more

Serving Hillandale, MD and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"I HIGHLY RECOMMEND HVAC Superior Solutions Inc!! They came over to diagnose my AC problem on very short notice. I decided to get a whole new system and they took great care in all the details and worked overtime to get the job completed. I am very satisfied with the new system and with the great customer service."
7 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Hecomo
Hecomo
5.0(
11
)
Central A/C - InstallGas Furnace / Forced Air Heating System - RepairHeat Pump - Install or Replace+9 more

Serving Hillandale, MD and surrounding areas

Approved

Credit card accepted

Customers say: True professional

"Excellent service from Hecomo. Technician did not try to push purchase of a new HVAC system even though there were major issues with our system, feel comfortable while talking with an advisor. Very knowledgeable, patiently, friendly and nice person, answer all my questions. Later on, we decided to replace the whole new system with fair price and wasn’t ripped off as others. Very professional and well trained technician. I will definitely use them again."
Heating & A/C Project
Heating & A/C Project
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+8

Response time8 hrs
Response rate100%
11 neighbors recently requested a quote
Avatar for McCarthy Services
McCarthy Services
4.2(
370
)
Central A/C - Service or RepairCentral A/C - InstallHeat Pump - Install or Replace+6 more

Serving Hillandale, MD and surrounding areas

Approved (Corporate)

In business since 2000

Free estimates

Credit card accepted

"Cozy Heating And Cooling is a local HVAC service contractor located right here in Woodbridge, VA. Since 2018, Cozy Heating And Cooling has provided dependable service and quality repair work in metro areas of DC, MD and VA. We specialize in satisfying all heating and air conditioning needs to ensure maximum comfort with the highest performance standards from employee training to customer care. All of our technicians are fully certified and trained to install and repair the latest HVAC equipment and technology."
Installing a new A/C system.
104 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Buric Heating and Air Conditioning
Buric Heating and Air Conditioning
4.7(
20
)
Central A/C - InstallElectric Furnace / Forced Air Heating System - InstallGas Furnace / Forced Air Heating System - Install+24 more

Serving Hillandale, MD and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

"The job went reasonably well. They completed it in a day and a half. The guys on site had a little trouble installing the high tech thermostat for the system, but their supervisor demonstrated real accountability when he showed up on a Saturday to make it right."
Additional Photos
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+7

Response time8 hrs
14 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for Heil Plumbing & Hvac
Heil Plumbing & Hvac
4.9(
252
)
Central A/C - InstallGas Furnace / Forced Air Heating System - InstallHeat Pump - Install or Replace+1 more

Serving Hillandale, MD and surrounding areas

Approved

In business since 1975

Free estimates

Emergency services offered

We take great pride in our HVAC and plumbing experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

Response time9 hrs
25 neighbors recently requested a quote
Recommended by94%of homeowners
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Heating and Air Conditioning FAQs, answered by experts

Yes, you can run an attic fan with the AC on. In fact, you don’t have a choice with a passive attic fan. Plus, when an attic fan draws out hot air from the attic, it helps regulate the temperature of your whole home, so your AC doesn't have to work as hard.

If your drain line is clogged, your AC might stop cooling, shut down, or refuse to turn on at all. Otherwise, you might see your AC leaking water, find standing water or water damage near the unit, or notice a musty smell coming out of your air conditioner or vents.

A new air conditioner capacitor will cost less than replacing the entire air conditioner system. While a capacitor itself will cost between $8 and $25, paying a professional to replace an AC capacitor will cost $180 on average. It’s not safe to replace an air conditioner capacitor on your own. 

If your whole house is cold that’s one thing, but what if you only have a few rooms that are cold? First, you need to determine why this may be happening. A good place to start is to investigate the potential causes listed in this article—heat transfer, airflow, thermostat problems, humidity, and insulation. Once you’ve narrowed down the issue, you’d apply the same principles to the cold rooms as you would to the entire home.

If your AC suddenly stops working, the first thing to check is your thermostat settings. Ensure the thermostat is set to the appropriate temperature and mode (cooling). Sometimes, a simple adjustment or replacing the batteries in the thermostat can resolve the issue. If that’s not the issue, look to see if the circuit breaker tripped. These basic checks can often identify simple fixes before you need to call for professional assistance.

The Hillandale, 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.