Get matched with top window a/c unit installers in your area
Enter your zip and get matched with up to 3 pros
Matching on HomeAdvisor
Window a/c unit installers in Holtsville
Get the best, forget the rest! By treating clients like we would our family. We are more than just another Heating and Air Conditioning company. We are meticulous problem solvers who dedicate our time to ensure that we we deliver the best quality possible for the best price! As a Father and Son team that have over 30+ years in the business. If you are looking for more than a empty promise you can count on us to keep our word and deliver the quality job you deserve! We also offer financing options that will pre-qualify in 60 seconds with no affect to your credit score.
"What a amazing experience. We were referred to Temperature Zone Corp from a family friend, who had nothing but great things to say about this father and sons company. We immediately contacted Kevin & Co due to our household AC breakdown. Kevin was immediately available to us when we had expressed our emergency situation. Kevin made himself available to go over all of our issues with our inherited old unit that came with the house that had finally broken to no repair. Kevin listened to what we needed and addressed any concerns of enhancements needed to get the full capacity of cool temperatures throughout our home. Kevin and company reflected a high level of skill and attention to detail. They were not only efficient but also incredibly punctual, ensuring that all services were provided on time and without any hassle. Everybody was extremely friendly, knowledgeable, and always available to answer any questions or concerns we had. They’re the best in the game and we highly recommend them. They have earned a loyal customer in us, and I look forward to our continued business in the future."
Kenny L on July 2024
Get the best, forget the rest! By treating clients like we would our family. We are more than just another Heating and Air Conditioning company. We are meticulous problem solvers who dedicate our time to ensure that we we deliver the best quality possible for the best price! As a Father and Son team that have over 30+ years in the business. If you are looking for more than a empty promise you can count on us to keep our word and deliver the quality job you deserve! We also offer financing options that will pre-qualify in 60 seconds with no affect to your credit score.
"What a amazing experience. We were referred to Temperature Zone Corp from a family friend, who had nothing but great things to say about this father and sons company. We immediately contacted Kevin & Co due to our household AC breakdown. Kevin was immediately available to us when we had expressed our emergency situation. Kevin made himself available to go over all of our issues with our inherited old unit that came with the house that had finally broken to no repair. Kevin listened to what we needed and addressed any concerns of enhancements needed to get the full capacity of cool temperatures throughout our home. Kevin and company reflected a high level of skill and attention to detail. They were not only efficient but also incredibly punctual, ensuring that all services were provided on time and without any hassle. Everybody was extremely friendly, knowledgeable, and always available to answer any questions or concerns we had. They’re the best in the game and we highly recommend them. They have earned a loyal customer in us, and I look forward to our continued business in the future."
Kenny L on July 2024
Heating and A/C business is locally owned and operated. We feel invested in our clients and constantly strive for customer satisfaction. Call or message us to schedule an estimate today! 631-652-8910
"Really happy with the work performed. Great communication, they arrived when they said they would, and quickly and successfully repaired the issue!"
Steven G on June 2024
Heating and A/C business is locally owned and operated. We feel invested in our clients and constantly strive for customer satisfaction. Call or message us to schedule an estimate today! 631-652-8910
"Really happy with the work performed. Great communication, they arrived when they said they would, and quickly and successfully repaired the issue!"
Steven G on June 2024
We specialize in lawn irrigation and sprinkler systems! We offer a diverse range of services tailored to meet the unique needs of every customer. We take a personalized approach to each project. We work closely with our clients to understand their vision, preferences, and budgetary requirements. We strive to exceed expectations by delivering exceptional service, great quality work, and professionalism on every job. Read more below on all the services we offer and contact us with any questions or to schedule a free estimate today!
"Excellent in every aspect. Didn’t rush, extremely thorough, came back the next day to make final adjustments. I strongly recommend this company above all others. Price was also great."
Russell F on December 2024
We specialize in lawn irrigation and sprinkler systems! We offer a diverse range of services tailored to meet the unique needs of every customer. We take a personalized approach to each project. We work closely with our clients to understand their vision, preferences, and budgetary requirements. We strive to exceed expectations by delivering exceptional service, great quality work, and professionalism on every job. Read more below on all the services we offer and contact us with any questions or to schedule a free estimate today!
"Excellent in every aspect. Didn’t rush, extremely thorough, came back the next day to make final adjustments. I strongly recommend this company above all others. Price was also great."
Russell F on December 2024
I’m a US veteran that continue serving to the community by providing the best service in home repairs. I’m honest man if I can’t do, it I will tell you on the spot. I can fix many things; plumbing, Electrical issues, Decks, heating and Air conditioner, Power washing, Roof patching., Fences repair and install. Text me for free estimates!!
"Joe was great! Put my sofas together. Cleaned up boxes, debris. I had a question and he came back (he was nearby) to help me :)"
Eve S on January 2025
I’m a US veteran that continue serving to the community by providing the best service in home repairs. I’m honest man if I can’t do, it I will tell you on the spot. I can fix many things; plumbing, Electrical issues, Decks, heating and Air conditioner, Power washing, Roof patching., Fences repair and install. Text me for free estimates!!
"Joe was great! Put my sofas together. Cleaned up boxes, debris. I had a question and he came back (he was nearby) to help me :)"
Eve S on January 2025
We are there for your home remodeling and repair needs. We also specialize in building storage compartments and shelving, garage remodeling, and junk removal.
"Yes, execllent job done"
Robin S on February 2025
We are there for your home remodeling and repair needs. We also specialize in building storage compartments and shelving, garage remodeling, and junk removal.
"Yes, execllent job done"
Robin S on February 2025
Headed by master plumbers, William Schinestuhl and Tom Swick, Chapman Brothers continues a long tradition of plumbing, heating and cooling service in the Union, Essex, and Middlesex county area. Originally founded in 1932, Chapman Brothers is one the longest running plumbing and heating companies in New Jersey. With a highly trained staff representing more than 150 years experience, Chapman Brothers has over 5000 customers in the area that can attest to the technical abilities and customer service skills of its trained technicians and staff. NJ Plumbing License #6073 William Schinestuhl – NJ Plumbing License #6848 Thomas Swick. Additional DBA - New Jersey Plumbing & Heating Inc. Award winning. Senior Discount up to $200 off. Cannot combine w/other offers.
"$350 for 30 minutes of service. Never again."
Brian S on September 2021
Headed by master plumbers, William Schinestuhl and Tom Swick, Chapman Brothers continues a long tradition of plumbing, heating and cooling service in the Union, Essex, and Middlesex county area. Originally founded in 1932, Chapman Brothers is one the longest running plumbing and heating companies in New Jersey. With a highly trained staff representing more than 150 years experience, Chapman Brothers has over 5000 customers in the area that can attest to the technical abilities and customer service skills of its trained technicians and staff. NJ Plumbing License #6073 William Schinestuhl – NJ Plumbing License #6848 Thomas Swick. Additional DBA - New Jersey Plumbing & Heating Inc. Award winning. Senior Discount up to $200 off. Cannot combine w/other offers.
"$350 for 30 minutes of service. Never again."
Brian S on September 2021
Let Premier Services take care of all your home repair needs. We’ve been doing home renovation and construction for over 30 years and are ready to help you now. Please give us a call so we can get your home back on track. I’m fast and very good at communicating so don’t hesitate to call me! -Flooring -Doors & Windows -Painting -Carpentry -Drywall -Tile -Mechanical
"Great job, done on time."
Kathie P on November 2023
Let Premier Services take care of all your home repair needs. We’ve been doing home renovation and construction for over 30 years and are ready to help you now. Please give us a call so we can get your home back on track. I’m fast and very good at communicating so don’t hesitate to call me! -Flooring -Doors & Windows -Painting -Carpentry -Drywall -Tile -Mechanical
"Great job, done on time."
Kathie P on November 2023
Helping Hands is a family-owned and operated business specializing in handyman services, carpentry, painting, and woodworking. Our crew is committed to delivering high-quality work paired with effective communication to provide our clients with the best possible experience. Unlike franchise companies that charge hourly rates, we offer flat pricing for all our projects. Our expertise allows us to price jobs accurately and execute them efficiently, so you never have to worry about prolonged timelines or inflated costs. We prioritize the homeowner’s peace of mind, ensuring every project is handled with professionalism, respect, and a smile. Whether you need a small assembly or a large renovation, Helping Hands does it all. We proudly serve all of Long Island and the five boroughs, dispatching from both Syosset and Bensonhurst for maximum convenience. As a family business, we take pride in what we do and value the trust our clients place in us. When you reach out to Helping Hands, you can expect a response within 24 hours. We are open 24/7, ready to tackle your projects whenever you need us. Give us a chance, and we promise you won’t be disappointed. Helping Hands is here to make your home projects stress-free and successful. Reach out today—we look forward to serving you!
"I was very pleased with the job I requested. They were very efficient and very courteous. They made it easy for me to dispose of the packaging and place the old piece outside. I would recommend them and personally use them again."
Kathleen P on June 2025
Helping Hands is a family-owned and operated business specializing in handyman services, carpentry, painting, and woodworking. Our crew is committed to delivering high-quality work paired with effective communication to provide our clients with the best possible experience. Unlike franchise companies that charge hourly rates, we offer flat pricing for all our projects. Our expertise allows us to price jobs accurately and execute them efficiently, so you never have to worry about prolonged timelines or inflated costs. We prioritize the homeowner’s peace of mind, ensuring every project is handled with professionalism, respect, and a smile. Whether you need a small assembly or a large renovation, Helping Hands does it all. We proudly serve all of Long Island and the five boroughs, dispatching from both Syosset and Bensonhurst for maximum convenience. As a family business, we take pride in what we do and value the trust our clients place in us. When you reach out to Helping Hands, you can expect a response within 24 hours. We are open 24/7, ready to tackle your projects whenever you need us. Give us a chance, and we promise you won’t be disappointed. Helping Hands is here to make your home projects stress-free and successful. Reach out today—we look forward to serving you!
"I was very pleased with the job I requested. They were very efficient and very courteous. They made it easy for me to dispose of the packaging and place the old piece outside. I would recommend them and personally use them again."
Kathleen P on June 2025
At KS Mechanical Services we take great pride in our experience, expertise, quality and customer service 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. KS Mechanical's expertly trained staff will work with you to design new systems for your home or office to keep within your budget. Our reputation is based on service, safety and quality, regardless of how large or small the job. **10% SENIOR CITIZEN DISCOUNT **FREE ESTIMATES FOR NEW INSTALLATIONS AND REPLACEMENTS **FINANCING AVAILABLE
"Excellent! Exuded confidence a dedication.Lance did a great job. Very kind as well."
Sarah P on May 2025
At KS Mechanical Services we take great pride in our experience, expertise, quality and customer service 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. KS Mechanical's expertly trained staff will work with you to design new systems for your home or office to keep within your budget. Our reputation is based on service, safety and quality, regardless of how large or small the job. **10% SENIOR CITIZEN DISCOUNT **FREE ESTIMATES FOR NEW INSTALLATIONS AND REPLACEMENTS **FINANCING AVAILABLE
"Excellent! Exuded confidence a dedication.Lance did a great job. Very kind as well."
Sarah P on May 2025
We are a Family owned & operated business. Ryan & Co.,Inc. is a full service Plumbing, Heating and Cooling repair and installation company established in 1949 with a genuine commitment to professional, affordable & personalized service.
"Great job guys. Lovely working with them"
Robert H on July 2024
We are a Family owned & operated business. Ryan & Co.,Inc. is a full service Plumbing, Heating and Cooling repair and installation company established in 1949 with a genuine commitment to professional, affordable & personalized service.
"Great job guys. Lovely working with them"
Robert H on July 2024
FAQs for window a/c unit installation projects in Holtsville, NY
Running a window air conditioner to cool a small room often costs less than $4 per day, making it cheaper than central air for single-room cooling. However, central air might be more efficient if you're using multiple window units or need to cool a space larger than 1,000 square feet. Choosing the right size AC is crucial—a unit that's too big or small can waste energy and increase costs.
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.
- Birmingham
- Phoenix
- Tucson
- Fresno
- Long Beach
- Los Angeles
- Modesto
- Sacramento
- San Diego
- San Francisco
- San Jose
- Denver
- Hartford
- Washington DC
- Fort Lauderdale
- Jacksonville
- Miami
- Orlando
- Tampa
- Atlanta
- Chicago
- Indianapolis
- Louisville
- New Orleans
- Baltimore
- Boston
- Detroit
- Grand Rapids
- Minneapolis
- Saint Paul
- Kansas City
- Saint Louis
- Las Vegas
- Albany
- New York
- Asheville
- Charlotte
- Greensboro
- Raleigh
- Winston Salem
- Cincinnati
- Cleveland
- Columbus
- Oklahoma City
- Portland
- Harrisburg
- Philadelphia
- Pittsburgh
- Providence
- Memphis
- Nashville
- Austin
- Dallas
- El Paso
- Fort Worth
- Houston
- San Antonio
- Salt Lake City
- Norfolk
- Richmond
- Virginia Beach
- Seattle
- Madison
- Milwaukee
Get our Angi-powered app
