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Avatar for No-Frost Air Conditioning & Heating, LLC
No-Frost Air Conditioning & Heating, LLC
4.7(
411
)
Central A/C - InstallCentral A/C - Service or RepairCentral A/C - Install - For Business+2 more

Serving Highland, MD and surrounding areas

Approved

In business since 1971

Free estimates

Warranties offered

"Once the salesman got here and found out it was an attic air handler. He told me they do not do attic work in summer. He said if I was still looking in the fall he wanted me to call him. It would have been nice if his office staff asked it unit was in the attic and save both of us the time"
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Response time9 hrs
Response rate100%
17 neighbors recently requested a quote
Avatar for Amazing Heating and Air Conditioning, Inc.
Amazing Heating and Air Conditioning, Inc.
4.5(
190
)
Central A/C - Service or RepairCentral A/C - InstallDuctless Mini-split A/C - Install or Replace

Serving Highland, MD and surrounding areas

Approved

In business since 2006

Free estimates

Emergency services offered

"Replaced old HVAC system. Very knowledgeable team that provide competitive and comprehensive solutions. Great customer service and were in and out in one day with quality workmanship. We couldn t be more pleased!"
Rolloff Residence
Rolloff Residence
Rolloff Residence
Rolloff Residence
Jamerson Residence

+5

Response time1 day
12 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for Buric Heating and Air Conditioning
Buric Heating and Air Conditioning
4.7(
20
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace

Serving Highland, 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."
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+7

Response time8 hrs
Recommended by90%of homeowners
Avatar for Hecomo
Hecomo
5.0(
11
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace

Serving Highland, MD and surrounding areas

Approved

Credit card accepted

Customers say: True professional

"I had the best experience with Hecomo Heating & Cooling. My house's AC/heating system stopped working all of the sudden and the temperatures at the time were 90 degrees and up. I was desperate looking into many different companies. Many of them, came over to my house and did estimates at ridiculously high prices. Luckily, I found Hecomo. They came to my house, did an estimate and were ready to install my AC/heating unit very quickly and at a good price. Also, the customer service was great. They were there for me throughout the whole process. They explained to me everything that I needed to know about the system and the features. Everything is very modern and updated. I am very happy I found Hecomo."
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 McCrea Heating & Air Conditioning Services of MD
McCrea Heating & Air Conditioning Services of MD
4.5(
318
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+2 more

Serving Highland, MD and surrounding areas

Approved

In business since 1936

Free estimates

Emergency services offered

"I couldn't be happier with the service I received from McCrea Heating and Air Conditioning Services of Maryland. Upon returning from vacation on a 100 degree July day, I found my old HVAC system basically dead (90 degrees in my kitchen!) ... Shane immediately came out to provide an estimate, we signed a contract on the spot, and he kindly provided some freon to hold me over until the new system could be installed. Brian and Nick showed up exactly on time to install the unit, used drop cloths to protect my flooring, and were exceedingly polite and professional throughout. I'd highly recommend this organization."
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10 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for Simply Home Service, LLC
Simply Home Service, LLC
5.0(
30
)
Central A/C - Service or Repair

Serving Highland, MD and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

I have been serving the Maryland, D.C. and Virginia area for over 20 years with my experience. My company is young, but my skills are old. Simply Home Service LLC is licensed and insured. We're dedicated to providing our customers with the best quality and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. Call us now at 301-518-9977 or visit our website at www.simplyhomeservices.com \n\n

Response time3 hrs
Response rate97%
Recommended by93%of homeowners
Avatar for Carroll Mechanical, Inc.
Carroll Mechanical, Inc.
5.0(
20
)
Central A/C - Service or Repair

Serving Highland, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2000

Free estimates

Emergency services offered

"My air conditioning stopped working last night. I called Carroll mech . They responded immediately and sent technician to the house few hours later. Jordan Scott was very professional. He checked the system carefully and fix the issue soon. Really appreciate the service!"
Trane Heat Pump
Carrier AC + Furnace
Response time5 hrs
104 neighbors recently requested a quote
Recommended by22%of homeowners
Avatar for Regal Duct Cleaning
Regal Duct Cleaning
4.9(
68
)
Air Ducts & Vents - Clean

Serving Highland, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2017

Free estimates

Credit card accepted

"Regal did an excellent job on cleaning my air ducts and dryer vent after a remodeling. Very professional and explained everything before starting. I would highly recommend this company."
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+12

Response time8 hrs
1 neighbors recently requested a quote
Recommended by92%of homeowners
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Air Conditioning questions, answered by experts

If possible, avoid placing furniture in front of a return air vent. A blocked air vent can cause your HVAC system to use more energy, which in turn can lower the life span of your unit and raise your energy bill. Furniture can also trap hot or cold air, damaging your furniture or appliances. 

Professional duct installers suggest leaving between six and 12 inches of space in front of an air return vent. If you must place furniture in front of a return air vent, try to aim for putting furniture over a floor vent instead of in front of a wall vent, and avoid draping curtains over any vent system.

Some AC filters, known as reusable filters, can be cleaned and reinserted. Most AC filters, however, are disposable and cannot be cleaned. 

If refrigerant levels are low, it can cause the evaporator coil to freeze up. Low freon causes a drop in pressure, which will make the coil too cold and cause moisture to freeze on the coil. Your system may be low on refrigerant because of a leak

Make sure to have maintenance performed twice a year, and contact your local HVAC technician if you suspect your system has low freon levels.

Mold in your air conditioner isn't a good thing, as it can be harmful to your health. If the mold travels through the ductwork or is blown out of the A/C, you and your family can inhale mold spores and develop respiratory illnesses and other problems. Preventing mold from growing in the air conditioner will help protect your health.

Yes, you can potentially save $60 to $200 by handling your own air conditioner capacitor installation. However, capacitor replacement comes with the risk of electric shock. Only attempt this if you have the knowledge and protective gear to carry it out safely. Otherwise, we recommend hiring an HVAC pro with the experience to properly diagnose the issue and avoid damaging other parts of your AC unit.

The Highland, MD homeowners’ guide to air conditioning services

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