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Find Air conditioning pros in Maryland Line

Avatar for No-Frost Air Conditioning & Heating, LLC
No-Frost Air Conditioning & Heating, LLC
4.7(
411
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+6 more

Serving Maryland Line, 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%
18 neighbors recently requested a quote
Avatar for HVAC Detectives
HVAC Detectives
4.3(
134
)
Window A/C Unit - Service or RelocateWindow A/C Unit - Install - For BusinessWindow A/C Unit - Service or Relocate - For Business

Serving Maryland Line, MD and surrounding areas

Approved

In business since 2010

Free estimates

Emergency services offered

"Great response time! My A/C went out on a hot Friday night and was out on an even hotter saturday morning. He was there 1 hour after I called and had the part that needed to be replaced. He was very knowledgeable and shared great tips on how I can save money and have my unit last longer."
Central ACs
Furnace repairs
Furnace repairs
Furnace repairs
Furnace repairs

+7

Response time2 hrs
Response rate85%
1 neighbors recently requested a quote
Avatar for Prime Home HVAC
Prime Home HVAC
4.8(
22
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral Air Cleaner - Install or Replace+2 more

Serving Maryland Line, MD and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"Added a hard start to my existing A/C, after the previous company that installed it neglected to do so. Highly recommend this company. Punctual, Personable and the absolutely the PRIME HVAC contractor I’ve found in my area. Thank you!"
Goodman Heat Pump
Geothermal Installation
Amana Inverter Ducted system
Goodman Heat Pump
Geothermal Installation

+3

Response time5 hrs
43 neighbors recently requested a quote
Recommended by85%of homeowners
Avatar for BPPW Heating & Cooling
BPPW Heating & Cooling
4.3(
18
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+12 more

Serving Maryland Line, MD and surrounding areas

Approved

In business since 2007

Free estimates

Emergency services offered

"Mr. Bost did an excellent job for me for a reasonable price. I know he obtained the best deal for me on the furnace and the air conditioning unit. He answered all my questions. He was on the job when he said he would be; he was professional and courteous. The installation went smoothly, and I have had no problem with the furnace or air conditioner since they were installed in 2008."
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+2

Response time6 days
3 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for B.C.G. BUILDING SOLUTIONS, LLC.
B.C.G. BUILDING SOLUTIONS, LLC.
5.0(
193
)
Window A/C Unit - InstallWindow A/C Unit - Install - For Business

Serving Maryland Line, MD and surrounding areas

Approved

Super Service Award Winner

In business since 1998

Free estimates

Emergency services offered

hi my name is brian, my business is B.C.G. BUILDING SOLUTIONS, LLC. We are a full service handyman company as well as a full service remodeling company. We do it all! I have been in the home inprovement business for over 20 years, I am here to PROVIDE the best quality service to all my customers NEW/OLD in home inprovement work . I have remodeled bathroom/kitchen and all type of home improvement work for over 20 years and so many more things like, decks,carpentry, painting,Interior/exterior entry doors,plastering,drywall,finishing,hardwood flooring,ceramic tiles, plumbing, steps,windows,all kinds of repairs work for all my customers. picture only show a small view of my work, but all my customers speak for me when it comes to all my years of work and making sure the job is clean through out the course of the job and how HAPPY they are with me through out all the years I have been doing work for them and there friends.my business here with doing home inprovement work is to PROVIDE the BEST quality service to the public as your home inprovement Contractor. I have learn over the 20 years in business how to PROVIDE the best quality work/quality service to all my customers through out my experience in this field of home improvement, just give me a chance and you will ENJOY having me take care of your home inprovement needs for many years to come. I look forward to meeting you and being your home inprovement contractor!!!

Handymen Project
Handymen Project
Handymen Project
Additional Photos
Additional Photos

+55

1 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for AJB Mechanical Heating and Cooling, LLC
AJB Mechanical Heating and Cooling, LLC
5.0(
6
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace+5 more

Serving Maryland Line, MD and surrounding areas

Approved

In business since 2006

Free estimates

Credit card accepted

The average cost to install a boiler or radiator is between 1500 and 9000, average for furnace is 2500 and 10,000. Our company is based on the belief that our customers' needs are of the utmost importance. Our team is committed to meeting those needs. We welcome the opportunity to earn your trust and deliver you the best service. No job is too big or too small for our experienced team. Call today for a quote.

9 neighbors recently requested a quote
Avatar for New Life Handyman Services
New Life Handyman Services
4.5(
230
)
Window A/C Unit - InstallWindow A/C Unit - Install - For Business

Serving Maryland Line, MD and surrounding areas

Approved

Super Service Award Winner

In business since 1979

Free estimates

Emergency services offered

New-Life Handyman Services is a locally and minority-owned handyman service that specializes in handyman jobs including custom home theater installations, kitchen and bathroom remodeling, interior and exterior painting as well as carpentry and other home improvement services. With more than 37 years of handyman services experience under my (tool) belt, I bring know-how and and skill to your home and business repair job. Whether you need residential or commercial repairs done, I will make it a point to meet with you and analyze the space with the project in mind. As part of your free consultation, I will measure, take photos and more for best results. So call today for your free estimate, and let me do the work for you on your next project!

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+26

Response time10 hrs
Response rate100%
1 neighbors recently requested a quote
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FAQs for air conditioning projects in Maryland Line, MD

Most professional HVAC technicians require two to three hours to complete an expansion valve replacement. The timeframe depends on your unit's accessibility and whether additional repairs are needed. The process involves recovering refrigerant, removing the old valve, installing the new component, and recharging the system. Scheduling during less busy seasons may result in more convenient appointment times.

Operating your air conditioner with a malfunctioning expansion valve isn't advisable. Continuing to run the system could potentially damage other components, particularly your compressor, which is significantly more expensive to replace. If you notice performance issues like inconsistent cooling or unusual noises, it's best to have your system inspected before continuing regular use.

Expansion valves don't have a standard replacement schedule, as their longevity depends on system usage, maintenance frequency, and environmental factors. Regular professional maintenance helps identify potential valve issues before they cause system failure. Having your HVAC system serviced annually allows technicians to monitor component condition and recommend preventative replacements when necessary.

Refrigerant leaks require prompt professional attention. If your expansion valve is leaking, you'll likely notice reduced cooling performance and possibly hear hissing sounds near the unit. Addressing leaks quickly prevents further system inefficiency and avoids the environmental impact of released refrigerant. Your HVAC technician will need to repair the leak and recharge the system with the proper refrigerant type and amount.

Because many AC issues present similar symptoms, professional diagnosis is recommended. Problems like inadequate cooling, inconsistent temperatures, or strange noises could indicate expansion valve issues, but might also stem from refrigerant leaks, electrical problems, or airflow restrictions. A qualified HVAC technician has the tools and expertise to accurately identify the root cause and recommend appropriate repairs.

The Maryland Line, MD homeowners’ guide to air conditioning services

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