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Central a/c installers in Williamsbridge
High Definition Cooling is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.
High Definition Cooling is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

Y&S Refrigeration for Cooling And Heating. We do all kind of service, maintenance and installation for all cooling and heating system with affordable price.
Y&S Refrigeration for Cooling And Heating. We do all kind of service, maintenance and installation for all cooling and heating system with affordable price.
With years of experience serving the area, we are your solution for all your HVAC needs. We take great pride in our extreme professionalism, timeliness and superior customer service on every job. We make sure to develop a lasting relationship so that the next time service is needed there will be no question on who to call. Check out our 5 star reviews from happy customers! Call us today so we can discuss your needs and make a plan that fits your budget. Satisfaction guaranteed!
"After meeting with and getting quotes from other A/C contractors, we decided to work with Jason at JLS Mechanical. We had a great experience working with JLS Mechanical and would wholeheartedly recommend them without any reservations. Jason helped find a creative solution to fit AC into our very old (but charming) Tudor home. He gave us a realistic estimate and stuck to it (no upcharging). His team members are knowledgeable, courteous, showed up on time (and let us know in advance if they anticipated any delays) and their work was neat. JLS Mechanical was very professional and they took pride in their work - which is not always common these days."
Alison P on March 2024
With years of experience serving the area, we are your solution for all your HVAC needs. We take great pride in our extreme professionalism, timeliness and superior customer service on every job. We make sure to develop a lasting relationship so that the next time service is needed there will be no question on who to call. Check out our 5 star reviews from happy customers! Call us today so we can discuss your needs and make a plan that fits your budget. Satisfaction guaranteed!
"After meeting with and getting quotes from other A/C contractors, we decided to work with Jason at JLS Mechanical. We had a great experience working with JLS Mechanical and would wholeheartedly recommend them without any reservations. Jason helped find a creative solution to fit AC into our very old (but charming) Tudor home. He gave us a realistic estimate and stuck to it (no upcharging). His team members are knowledgeable, courteous, showed up on time (and let us know in advance if they anticipated any delays) and their work was neat. JLS Mechanical was very professional and they took pride in their work - which is not always common these days."
Alison P on March 2024

We are an owner operated business with experience in every type of system from Commercial to residential systems. We evaluate, confirm, and assist every client to get everything and more they are looking for to keep their space comfortable and energy efficient. We respond promptly and once we start a project it is a priority to get it done to the satisfaction of the client and our high standards. Fully licensed and insured to tackle any and all projects from service, maintenance, installation, and even new construction.
"They were very professional knowledgeable, caring, and polite. They got the job done and I am very satisfied with their work. I will hire them again to do another job around my home."
Brenda A on August 2025
We are an owner operated business with experience in every type of system from Commercial to residential systems. We evaluate, confirm, and assist every client to get everything and more they are looking for to keep their space comfortable and energy efficient. We respond promptly and once we start a project it is a priority to get it done to the satisfaction of the client and our high standards. Fully licensed and insured to tackle any and all projects from service, maintenance, installation, and even new construction.
"They were very professional knowledgeable, caring, and polite. They got the job done and I am very satisfied with their work. I will hire them again to do another job around my home."
Brenda A on August 2025

At Perfect Air Solutions, we take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumers 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. Our reputation is based on service, safety, and quality, regardless of how large or small the job.
""I spent some time gathering multiple estimates and speaking with HVAC professionals, and I received the best offer from Perfect Air Solutions. They clearly explained how heat pump systems work and recommended the right brand and model for my home. The installation and removal of the old equipment were completed in a single day with a high level of professionalism. If you're looking for top-notch, friendly, and professional service at the best price, look no further — they are simply the best!""
Sergey S on July 2025
At Perfect Air Solutions, we take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumers 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. Our reputation is based on service, safety, and quality, regardless of how large or small the job.
""I spent some time gathering multiple estimates and speaking with HVAC professionals, and I received the best offer from Perfect Air Solutions. They clearly explained how heat pump systems work and recommended the right brand and model for my home. The installation and removal of the old equipment were completed in a single day with a high level of professionalism. If you're looking for top-notch, friendly, and professional service at the best price, look no further — they are simply the best!""
Sergey S on July 2025
Charles Mechanical is 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. We look forward to working with you!
"Great experience all around, definitely going to keep them for future projects."
Olivia O on January 2025
Charles Mechanical is 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. We look forward to working with you!
"Great experience all around, definitely going to keep them for future projects."
Olivia O on January 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 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. Our reputation is based on service, safety, and quality, regardless of how large or small the job.
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 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. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

We at Master Comfort focus on quality projects over quantity. We use our years of experience and expertise to complete your project with perfection. Customer service and honesty are the most important aspects of our business and your satisfaction is guaranteed. Please call us today for an estimate. We look forward to working with you.
"The technician did the job very efficiently , but the company did not was clear about the charges in the invoice. I think they need to have a better and more transparent way to charge customers. "
Carlos V on August 2025
We at Master Comfort focus on quality projects over quantity. We use our years of experience and expertise to complete your project with perfection. Customer service and honesty are the most important aspects of our business and your satisfaction is guaranteed. Please call us today for an estimate. We look forward to working with you.
"The technician did the job very efficiently , but the company did not was clear about the charges in the invoice. I think they need to have a better and more transparent way to charge customers. "
Carlos V on August 2025
We specialize in handyman services, home repairs, home improvements, and more. We pride ourselves on the quality work we provide, while delivering great customer service. Please see some of the services we offer below and call -or- click to schedule an estimate today!
"Moe was extremely professional and kind. He build my vanity and also screwed legs for my mother’s couch. It was very complicated and he did it with focus and ease. So kind to my mother, helpful, went above and beyond. Amazing detail to building. I really appreciate his work. Definitely would hire him again and will. Thanks so much Moe! Keep up the amazing customer service."
Esperanza R on April 2025
We specialize in handyman services, home repairs, home improvements, and more. We pride ourselves on the quality work we provide, while delivering great customer service. Please see some of the services we offer below and call -or- click to schedule an estimate today!
"Moe was extremely professional and kind. He build my vanity and also screwed legs for my mother’s couch. It was very complicated and he did it with focus and ease. So kind to my mother, helpful, went above and beyond. Amazing detail to building. I really appreciate his work. Definitely would hire him again and will. Thanks so much Moe! Keep up the amazing customer service."
Esperanza R on April 2025

At RS Mechanical Services, INC. we’re proud to have been a part of life here in NYC for over 28 years. It started back in 1996, when Ramon Sosa began a refrigeration repair business in the bronx. Our business grew from there until it covered all aspects of heating, cooling, plumbing, and indoor air quality, and served homes and businesses The Bronx, Queens, Manhattan and now Rockland, and Westchester County. Today, our business continues adhering to the traditions our founders believed in: providing quality service in a timely fashion without charging our customers an arm and a leg. It’s the staples of good business, and it has helped us expand and thrive for over One-quarter of a century. We keep up with the latest developments in the field, and our staff averages 20 years’ experience apiece, handling all kinds of household problems. Contact our team today and find out what thousands in the tri-state area already know: You Can Count On Us!
"It was a great experience, Ariel was exceptional. Pricing is very competitive and response time was flawless. Recommended Ariel to my neighbor, and he will be installing a new boiler for them!"
Juan B on October 2024
At RS Mechanical Services, INC. we’re proud to have been a part of life here in NYC for over 28 years. It started back in 1996, when Ramon Sosa began a refrigeration repair business in the bronx. Our business grew from there until it covered all aspects of heating, cooling, plumbing, and indoor air quality, and served homes and businesses The Bronx, Queens, Manhattan and now Rockland, and Westchester County. Today, our business continues adhering to the traditions our founders believed in: providing quality service in a timely fashion without charging our customers an arm and a leg. It’s the staples of good business, and it has helped us expand and thrive for over One-quarter of a century. We keep up with the latest developments in the field, and our staff averages 20 years’ experience apiece, handling all kinds of household problems. Contact our team today and find out what thousands in the tri-state area already know: You Can Count On Us!
"It was a great experience, Ariel was exceptional. Pricing is very competitive and response time was flawless. Recommended Ariel to my neighbor, and he will be installing a new boiler for them!"
Juan B on October 2024





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