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Window a/c unit installers in Maryland-line

Avatar for Xpress Installations

Xpress Installations

9026 Autoville Dr
5.00(
8
)
Approved Pro

Xpress Installations

9026 Autoville Dr
5.00(
8
)
Approved Pro
48 local quotes requested
5 years of experience

We take great pride in our 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 the start to the 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.

"William was prompt, courteous, and professional. Install of large a/c window unit went very well and looks fantastic. Old unit was disposed of along with cleaning up any debri. Also prior to leaving repaired a shed door handle no questions asked. Highly recommend and will not hesitate to use again in the future. "

Linda h on August 2025

We take great pride in our 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 the start to the 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.

"William was prompt, courteous, and professional. Install of large a/c window unit went very well and looks fantastic. Old unit was disposed of along with cleaning up any debri. Also prior to leaving repaired a shed door handle no questions asked. Highly recommend and will not hesitate to use again in the future. "

Linda h on August 2025


Avatar for Heating & Cooling Certified Mechanic

Heating & Cooling Certified Mechanic

Po
4.97(
32
)
Approved Pro

Heating & Cooling Certified Mechanic

Po
4.97(
32
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
554 local quotes requested

With over a decade of experience, Heating & Cooling Certified Mechanic is professionally licensed and dedicated to ensure your HVAC service/install exceeds your expectations! We specialize in HVAC services, repairs and we guarantee your satisfaction! We will not leave until the job is done right! We pride ourselves on the quality of work we provide, while delivering great customer service! Call or click for your FREE estimate today! HVAC, Water Heater, Air Quality System Installations, Repairs & More Need repair? Call Today, Need Installation or a 2nd Opinion? Call Today. 24 Hour Service CALL TODAY! CALL TONIGHT!

"The estimate process went very smoothly. The proposal was well written & allowed electronic signature. Communication leading up to the install date was timely and professional. The work was completed on time and correctly. The installation team was friendly and competent."

Stanley R on July 2025

With over a decade of experience, Heating & Cooling Certified Mechanic is professionally licensed and dedicated to ensure your HVAC service/install exceeds your expectations! We specialize in HVAC services, repairs and we guarantee your satisfaction! We will not leave until the job is done right! We pride ourselves on the quality of work we provide, while delivering great customer service! Call or click for your FREE estimate today! HVAC, Water Heater, Air Quality System Installations, Repairs & More Need repair? Call Today, Need Installation or a 2nd Opinion? Call Today. 24 Hour Service CALL TODAY! CALL TONIGHT!

"The estimate process went very smoothly. The proposal was well written & allowed electronic signature. Communication leading up to the install date was timely and professional. The work was completed on time and correctly. The installation team was friendly and competent."

Stanley R on July 2025


Avatar for No-Frost Air Conditioning & Heating, LLC

No-Frost Air Conditioning & Heating, LLC

4990 Waterloo Rd
4.77(
400
)
Approved Pro

No-Frost Air Conditioning & Heating, LLC

4990 Waterloo Rd
4.77(
400
)
Approved Pro
Customers say: Quality work
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
304 local quotes requested

Family owned & operated. Additional contact name - Eileen Bangs - Award winning. Additional Licensing Information: MD Master Gas Fitter 6631. Baltimore County License: JG9033. Howard County License: G-9018. Carroll County License: P00068G. Electrical Licensing - Howard County License: 390, Baltimore County License: 547. MHIC12699.

"My system was working fine before the technician arrived. Afterwards my system failed. I contacted this company based upon Angis List recommendations. The technician talked me out of the services I requested and left me with an non working system."

Adi G on August 2023

Family owned & operated. Additional contact name - Eileen Bangs - Award winning. Additional Licensing Information: MD Master Gas Fitter 6631. Baltimore County License: JG9033. Howard County License: G-9018. Carroll County License: P00068G. Electrical Licensing - Howard County License: 390, Baltimore County License: 547. MHIC12699.

"My system was working fine before the technician arrived. Afterwards my system failed. I contacted this company based upon Angis List recommendations. The technician talked me out of the services I requested and left me with an non working system."

Adi G on August 2023


Avatar for Sila Heating, Cooling and Plumbing

Sila Heating, Cooling and Plumbing

7000 Virginia Manor Rd
4.64(
2,119
)
Approved Pro

Sila Heating, Cooling and Plumbing

7000 Virginia Manor Rd
4.64(
2,119
)
Approved Pro
Customers say: Super punctual
8489 local quotes requested
36 years of experience

Live Your Most Comfortable Life with a Company You Trust. We offer Same Day Service and Next Day Installation! Sila has been the center of delighting homeowners since 1989, with our team of engineers, certified technicians, and system designers that are proud to deliver the highest level of expertise in the HVAC industry. Whether it’s a repair, replacement, installation, or service, we have an unwavering commitment to keeping you and your family comfortable and safe — season after season. We guarantee satisfaction and are proud to have earned over 7,000 “A” ratings on Angie’s List and its prestigious Super Service Award!

"They charged $98 to come give me an estimate for swapping our a shower valve cartridge, which was fine, but the pricing they provided was completely unreasonable, $1,000. They were unwilling to provide any detail for the price. I ended up buy the part myself for $30 and replaced it in 30 minutes."

Tom A on October 2024

Live Your Most Comfortable Life with a Company You Trust. We offer Same Day Service and Next Day Installation! Sila has been the center of delighting homeowners since 1989, with our team of engineers, certified technicians, and system designers that are proud to deliver the highest level of expertise in the HVAC industry. Whether it’s a repair, replacement, installation, or service, we have an unwavering commitment to keeping you and your family comfortable and safe — season after season. We guarantee satisfaction and are proud to have earned over 7,000 “A” ratings on Angie’s List and its prestigious Super Service Award!

"They charged $98 to come give me an estimate for swapping our a shower valve cartridge, which was fine, but the pricing they provided was completely unreasonable, $1,000. They were unwilling to provide any detail for the price. I ended up buy the part myself for $30 and replaced it in 30 minutes."

Tom A on October 2024


Avatar for Prime Home HVAC

Prime Home HVAC

52 Grumbacher Road
4.95(
19
)
Approved Pro

Prime Home HVAC

52 Grumbacher Road
4.95(
19
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
721 local quotes requested

You can call the office at 717-478-1203 or text us at 717-462-7855 With over 20 years of experience here to help you with Residential HVAC Service and Install, Water Conditioning and EV Charger Installation.

"Great crew! I still have them coming around to perform seasonal check ups."

Evan V on January 2025

You can call the office at 717-478-1203 or text us at 717-462-7855 With over 20 years of experience here to help you with Residential HVAC Service and Install, Water Conditioning and EV Charger Installation.

"Great crew! I still have them coming around to perform seasonal check ups."

Evan V on January 2025


Avatar for Mr. Handyman of Northern Baltimore County

Mr. Handyman of Northern Baltimore County

2233 Greenspring Dr
4.72(
425
)
Approved Pro

Mr. Handyman of Northern Baltimore County

2233 Greenspring Dr
4.72(
425
)
Approved Pro
Customers say: Super punctual
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
1274 local quotes requested

***ASK ABOUT OUR BATHROOM REMODEL ANGI COUPON*** Angies List Super Service Award Winner for 10+ years (since 2009). Voted "Baltimore's Best Handyman" - 2018 Readers Choice Baltimore Sun One call does it all! At Mr. Handyman, we complete jobs faster and better because you don’t need to make multiple phone calls to multiple contractors. Our insured technicians can take care of all of the projects on your "to-do list" saving you time from the first phone call all the way through to project completion. We promise to offer you peace of mind knowing Mr. Handyman's professionals are company employees who will arrive on time in Mr. Handyman vans and will also clean up when they’re done. Busy schedules can make home repairs hard to get to. Now your growing "To Do" list just looks overwhelming and unmanageable. Where do you start? It takes just one call to hire your local Mr. Handyman to solve all your home repair headaches. Professional, safe, reliable handyman services on-time, every time, that's our guarantee.

"I cannot say enough good things about Mr. Handyman. I had a fantastic experience with the technician, Teddy, who came out to tackle a list of projects for me. In just a few hours, he installed a new garbage disposal, adjusted my closet doors that were not properly closing, mounted shelves and a new curtain rod, and fixed my toilet that needed a new flush kit, and sealed various areas around my second bathroom with caulk. He worked efficiently and with an incredible amount of attention to detail. I didn’t even have to clean up a thing! He was friendly, professional, and communicative throughout the entire process. I highly recommend their services and will definitely use them again!"

Patrick H on September 2025

***ASK ABOUT OUR BATHROOM REMODEL ANGI COUPON*** Angies List Super Service Award Winner for 10+ years (since 2009). Voted "Baltimore's Best Handyman" - 2018 Readers Choice Baltimore Sun One call does it all! At Mr. Handyman, we complete jobs faster and better because you don’t need to make multiple phone calls to multiple contractors. Our insured technicians can take care of all of the projects on your "to-do list" saving you time from the first phone call all the way through to project completion. We promise to offer you peace of mind knowing Mr. Handyman's professionals are company employees who will arrive on time in Mr. Handyman vans and will also clean up when they’re done. Busy schedules can make home repairs hard to get to. Now your growing "To Do" list just looks overwhelming and unmanageable. Where do you start? It takes just one call to hire your local Mr. Handyman to solve all your home repair headaches. Professional, safe, reliable handyman services on-time, every time, that's our guarantee.

"I cannot say enough good things about Mr. Handyman. I had a fantastic experience with the technician, Teddy, who came out to tackle a list of projects for me. In just a few hours, he installed a new garbage disposal, adjusted my closet doors that were not properly closing, mounted shelves and a new curtain rod, and fixed my toilet that needed a new flush kit, and sealed various areas around my second bathroom with caulk. He worked efficiently and with an incredible amount of attention to detail. I didn’t even have to clean up a thing! He was friendly, professional, and communicative throughout the entire process. I highly recommend their services and will definitely use them again!"

Patrick H on September 2025


Avatar for Bamford Plumbing & Heating Inc

Bamford Plumbing & Heating Inc

6800 Martin Ave
4.97(
61
)
Approved Pro

Bamford Plumbing & Heating Inc

6800 Martin Ave
4.97(
61
)
Approved Pro
Customers say: Quick response
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
1782 local quotes requested

**SPECIALIZING IN BOILER REPAIR AND REPLACEMENT** ** WE OFFER 24/7 EMERGENCY SERVICE** Bamford Plumbing & Heating Inc. has been providing excellent customer service since 2009. We are a family owned and operated company with over ten years of experience in the plumbing and heating industry. We are licensed and insured in the State of Maryland. We offer 24 hour emergency service and free estimates on new work.

"Great. Doug answered our inquiry promptly and fixed our issue the next day for significantly less than the first quote."

Kevin C on January 2025

**SPECIALIZING IN BOILER REPAIR AND REPLACEMENT** ** WE OFFER 24/7 EMERGENCY SERVICE** Bamford Plumbing & Heating Inc. has been providing excellent customer service since 2009. We are a family owned and operated company with over ten years of experience in the plumbing and heating industry. We are licensed and insured in the State of Maryland. We offer 24 hour emergency service and free estimates on new work.

"Great. Doug answered our inquiry promptly and fixed our issue the next day for significantly less than the first quote."

Kevin C on January 2025


Avatar for Hamilton Plumbing, Heating & Air Conditioning

Hamilton Plumbing, Heating & Air Conditioning

8607 Belair Rd
4.87(
132
)
Approved Pro

Hamilton Plumbing, Heating & Air Conditioning

8607 Belair Rd
4.87(
132
)
Approved Pro
Customers say: Super punctual
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
1060 local quotes requested

Hamilton Plumbing and Heating Co is a family owned and operated business serving the community since 1978! Offering superior quality work and excellent customer service. We are licensed and trained professionals in Plumbing, Heating and Air Conditioning. Specializing in Water Heaters.

"Vernon offered to check out our AC the same day. He called before arriving, and once he was here quickly went about his work, explaining to me what he was going to do and why. He quickly diagnosed the problem and solved it. We’ve found a new HVAC maintenance company we can count on. Great service, great responsiveness, good prices. Our AC is back up and running. Thank you, Vernon, and thank you Hamilton!"

Aaron C on July 2024

Hamilton Plumbing and Heating Co is a family owned and operated business serving the community since 1978! Offering superior quality work and excellent customer service. We are licensed and trained professionals in Plumbing, Heating and Air Conditioning. Specializing in Water Heaters.

"Vernon offered to check out our AC the same day. He called before arriving, and once he was here quickly went about his work, explaining to me what he was going to do and why. He quickly diagnosed the problem and solved it. We’ve found a new HVAC maintenance company we can count on. Great service, great responsiveness, good prices. Our AC is back up and running. Thank you, Vernon, and thank you Hamilton!"

Aaron C on July 2024


Avatar for New Life Handyman Services

New Life Handyman Services

16701 Melford Blvd
4.50(
214
)
Approved Pro

New Life Handyman Services

16701 Melford Blvd
4.50(
214
)
Approved Pro
Customers say: Quality work
343 local quotes requested
46 years of experience

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!

"Bobby performed quality, reliable, and affordable drywall and plumbing work. Highly recommend, will hire again."

Steven M on September 2025

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!

"Bobby performed quality, reliable, and affordable drywall and plumbing work. Highly recommend, will hire again."

Steven M on September 2025


Avatar for JL Smith Repair & Remodeling

JL Smith Repair & Remodeling

6801 Oak Hall Lane # 2283
4.81(
36
)
Approved Pro

JL Smith Repair & Remodeling

6801 Oak Hall Lane # 2283
4.81(
36
)
Approved Pro
Customers say: Quality work
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
994 local quotes requested

We make home beautiful one room at a time for our customers that are on a budget. We specialize in all phases of remodeling for your home, business, bathrooms, kitchens, finishing basements, and more! We guarantee your satisfaction, and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! We accept cash, checks, Master card and Visa for payment.

"I hired Joe for a whole house project, and I highly recommend his work. The qualify of work is excellent, and his rates are reasonable. Joe was partner throughout the process, and he was meticulous in putting together proposals each time I made an additional request or we uncovered pre-existing issues that required repair. Joe is a good man, and I am extremely fortunate that I found him."

Frederick D on November 2024

We make home beautiful one room at a time for our customers that are on a budget. We specialize in all phases of remodeling for your home, business, bathrooms, kitchens, finishing basements, and more! We guarantee your satisfaction, and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! We accept cash, checks, Master card and Visa for payment.

"I hired Joe for a whole house project, and I highly recommend his work. The qualify of work is excellent, and his rates are reasonable. Joe was partner throughout the process, and he was meticulous in putting together proposals each time I made an additional request or we uncovered pre-existing issues that required repair. Joe is a good man, and I am extremely fortunate that I found him."

Frederick D on November 2024

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FAQs for window a/c unit installation projects in Maryland-line, MD

Window AC units can use a significant amount of energy. These units use about 12 to 17 kilowatt-hours per day, significantly more than a refrigerator's one to 1.5 kilowatt-hours per day. To keep your energy costs down, run your window AC only when necessary, keep doors closed to contain the cool air, regularly clean filters and coils, and seal any gaps around the unit to prevent cold air from escaping.

Inexpensive air conditioner units are often not worth it. Low-cost products from popular brands like General Electric, LG, Whirlpool, or Frigidaire may be a reasonable investment. However, putting a small, budget-friendly unit in a large room wastes energy and shortens the life span of the AC since it has to draw more power and work much harder to cool the space. The unit will consume more energy and stress the motor and other internal parts, resulting in early breakdown and costly repairs.

The best deals on window AC units come during the fall when businesses slash prices to clear out old inventory. You can also speak with your local AC installer, who may get you a good deal on a window AC unit since they have access to trade pricing. You can also watch for discontinued products and flash sales in your area.

Window AC repair costs between $110 and $390, with most people paying around $250. Parts cost between $2 and $150, with the rest going toward labor, at around $30 per hour. The occasional one-off repair or a routine AC tuneup cost $75 to $200. Servicing can keep your AC running in good condition for several more years before you need to pay for a replacement unit.

Window AC units last eight to 10 years when installed and maintained correctly. High-quality models last up to 20 years with proper care and routine maintenance. The unit’s longevity depends on its construction quality, regular cleaning, and electrical safety inspections. Keeping the filters and coils clean and addressing minor repairs promptly extends its effective performance and ensures reliable cooling.

The Maryland-line, MD homeowners’ guide to window a/c unit installations

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

  • Technician repairing air conditioner

    HomeAdvisor's Air Conditioning Repair Cost Guide gives the average price to fix an AC unit in your house. Find the cost of recharging the AC or fixing a freon leak. Get the price to repair or replace a compressor, handler, thermostat, duct, and more.

  • An AC system in the backyard of a house

    This guide explores the average cost of replacing your AC compressor and all of the factors that go into it, including size, type, and brand.

  • Detail of a HVAC system outside a brick house

    The cost of replacing an AC unit fan motor depends on warranties, labor, season, and more. This cost guide covers everything you need to know about this HVAC part.