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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 Lansdowne, MD and surrounding areas

Approved

In business since 1971

Free estimates

Warranties offered

"This is an excellent company. We have used them for year to service our heating and air conditioning units. It became necessary to think about replacing the units. We have two. Decided to replace both at the same time. They came out on a Monday and gave us an estimate and came out on Thursday and Friday to do the work. They totally cleaned up after themselves and made sure everything was working properly. Then they called a few days later to see that everything was working well. I highly recommend this company. All the technicians are polite and competent. The office staff is nice beyond belief. If you need any heating/AC work done, this is the company to do it."
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Response time9 hrs
Response rate100%
23 neighbors recently requested a quote
Avatar for GAC Services
GAC Services
4.8(
293
)
Central A/C - InstallCentral A/C - Service or Repair

Serving Lansdowne, MD and surrounding areas

Approved (Corporate)

In business since 1970

Free estimates

Warranties offered

"My experience was fine. I went with this company instead of another company because of the reviews I read on Angie's List. It took them about a half a day to install the air conditioning unit. I think it was 3 workers that came out."
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6 neighbors recently requested a quote
Recommended by94%of homeowners
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 Lansdowne, 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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12 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for Carroll Mechanical, Inc.
Carroll Mechanical, Inc.
5.0(
20
)
Central A/C - Service or Repair

Serving Lansdowne, 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
96 neighbors recently requested a quote
Recommended by22%of homeowners
Avatar for The Best Air Quality and Restoration
The Best Air Quality and Restoration
4.8(
236
)
Air Ducts & Vents - Clean

Serving Lansdowne, MD and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"Very professional, courteous, knowledgeable and helpful. They did a good job cleaning my air ducts and treating them for mold. They worked diligently for 1-1/2 hours. I thought the price was very reasonable. I would hire them again."
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+50

Response time10 hrs
Recommended by93%of homeowners
Avatar for Pohlman Plumbing Inc
Pohlman Plumbing Inc
4.4(
42
)
Air Ducts & Vents - CleanCentral A/C - InstallCentral A/C - Install - For Business+4 more

Serving Lansdowne, MD and surrounding areas

Approved

In business since 2008

Free estimates

Emergency services offered

Pohlman Plumbing is a local, family-owned and -operated full-service plumbing and HVAC company serving the Baltimore metro area. Founded in 2008, our professional and friendly customer service plus our top-notch skills have made us one of the most trusted local plumbers in Baltimore.\n\nWhen you choose to work with Pohlman Plumbing, you can have peace of mind knowing we always stand by the Pohlman Promise: fast service, at a fair price, and done right the first time.

Finished Shower
Finished Shower
Panoramic View
Vanity
Mid-replacement

+10

Response time8 hrs
Response rate97%
Recommended by86%of homeowners
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Air Conditioning questions, answered by experts

To diagnose a bad HVAC or AC damper, assess the airflow from your vents. For a manual damper, close it, run your system, and check for airflow. If air is still coming through the vents, the damper is likely faulty and needs repair or replacement. For an automatic damper, turn on your HVAC system and monitor the airflow and room temperature. Signs of a problem include low airflow, a room that won't maintain its set temperature, or a drafty feeling. If you suspect a faulty automatic damper, you may need to hire a professional for repairs.

Yes, a dehumidifier and air conditioner can be used simultaneously in a home. A dehumidifier can bolster an air conditioner’s efficiency. Typically, a dehumidifier is used when the air conditioner alone cannot keep a home’s humidity levels at a comfortable indoor humidity level, which should, ideally, be between 30% and 50%.

DIY is possible for basic cleaning. Professional services handle advanced maintenance like recharging the refrigerant.

The difference between a home surge protector and an HVAC surge protector is that an HVAC surge protector is designed to protect the components inside your HVAC unit while a home surge protector is installed near appliances and meant to protect your entire home. There are three tiers of whole-house surge protectors, and they are more expensive to install than HVAC surge protectors.

A frozen coil can cause permanent damage to your HVAC system and lead to costly repairs if not fixed. It can cause the unit to overheat and also cause the compressor to fail. It’s vital to turn the unit off if the coil is frozen and address the issue as soon as possible. 

The Lansdowne, MD homeowners’ guide to air conditioning services

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