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Central a/c service or repairers in Smithtown

Modern Home Improvement Services, Inc. is committed to excellence in every aspect of our business. We strive to exceed customers expectations on every project. .With over 15 years of experience in the HVAC and Home Remodeling business MHIS Inc is a company you can trust to get the job done right at a fair price. MHIS is your one stop shop for all your home repair and maintenance needs IMPORTANT INFO ABOUT R22 AC SYSTEMS!!!! MOST HVAC companies will tell you incorrect information, not on purpose, but because they may not be familiar with all the available options. If you currently have an R22 HVAC system, 9/10 contractors will tell you, you need to replace the whole system because R22 is being phased out in 2020. They are correct about R22 being phased out BUT what they are not telling you is your system CAN be CONVERTED to the new R410A Refrigerant opposed replacing your entire HVAC System. We offer New System Installation, And Existing Retrofits to help fit every budget
"From town permit application to installation and even cleaning up, the process went smoothly and 100% on schedule. They explained everything to us in detail and made us feel at ease. I can recommend their work to any friends!! Thanks Jimmy"
Misa D K on November 2024
Modern Home Improvement Services, Inc. is committed to excellence in every aspect of our business. We strive to exceed customers expectations on every project. .With over 15 years of experience in the HVAC and Home Remodeling business MHIS Inc is a company you can trust to get the job done right at a fair price. MHIS is your one stop shop for all your home repair and maintenance needs IMPORTANT INFO ABOUT R22 AC SYSTEMS!!!! MOST HVAC companies will tell you incorrect information, not on purpose, but because they may not be familiar with all the available options. If you currently have an R22 HVAC system, 9/10 contractors will tell you, you need to replace the whole system because R22 is being phased out in 2020. They are correct about R22 being phased out BUT what they are not telling you is your system CAN be CONVERTED to the new R410A Refrigerant opposed replacing your entire HVAC System. We offer New System Installation, And Existing Retrofits to help fit every budget
"From town permit application to installation and even cleaning up, the process went smoothly and 100% on schedule. They explained everything to us in detail and made us feel at ease. I can recommend their work to any friends!! Thanks Jimmy"
Misa D K on November 2024

With over 5 years of experience, RVM Heating & Air Conditioning is committed to excellence 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. Call us today!
"Rene and Maurico installed a new air conditioning unit in my home. They negotiated fairly and were responsive to my questions. A team of five arrived for the installation. They worked together like a well tuned machine. Everyone knew what they had to do and when to do it. There were no mistakes. They were here by 8:00 am and were finished by 4:30. They answered all my questioned and responded to my phone calls. They were polite and respectful. They cleaned up after themselves and left nothing damaged. More companies should operate like them. I would highly recommend them"
Delvis M on July 2025
With over 5 years of experience, RVM Heating & Air Conditioning is committed to excellence 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. Call us today!
"Rene and Maurico installed a new air conditioning unit in my home. They negotiated fairly and were responsive to my questions. A team of five arrived for the installation. They worked together like a well tuned machine. Everyone knew what they had to do and when to do it. There were no mistakes. They were here by 8:00 am and were finished by 4:30. They answered all my questioned and responded to my phone calls. They were polite and respectful. They cleaned up after themselves and left nothing damaged. More companies should operate like them. I would highly recommend them"
Delvis M on July 2025

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.
"Not only done right but done more expeditiously than expected"
William W on May 2024
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.
"Not only done right but done more expeditiously than expected"
William W on May 2024
We have the experience and we are committed to providing quality work and superior customer service. We at Delia HVAC strive to maintain our reputation as a high quality, service oriented company with our main focus being customer satisfaction. Customers are happy and satisfied with our work and trust us to recommend us to their friends and family. Great at communication with customers throughout the project. Over 9 years of experience
"Anthony did a great job. neat and on time The unit works great"
Dan T on January 2025
We have the experience and we are committed to providing quality work and superior customer service. We at Delia HVAC strive to maintain our reputation as a high quality, service oriented company with our main focus being customer satisfaction. Customers are happy and satisfied with our work and trust us to recommend us to their friends and family. Great at communication with customers throughout the project. Over 9 years of experience
"Anthony did a great job. neat and on time The unit works great"
Dan T on January 2025
Abreu's A/C & Heating Company 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.
Abreu's A/C & Heating Company 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.

30 PLUS YEARS EXPERIENCE- It is our mission to provide the highest quality of service in all aspects of our business. We are extremely thorough with the services that we provide and aim to be most receptive to any issues, questions or concerns that you may have and we handle the concern promptly and professionally. We take All the necessary steps to ensure that our clients are completely satisfied with all of our contractual and assumed responsibilities. Most Importantly, we will fulfill these responsibilities while maintaining the highest ethical standards with our work and our character. Call us today!
"I needed AC repairs unit wasn't running correct - Dan come to my house promptly - he replaced my condenser unit and other items - had me up and running that day - complete clean up of areas when finished - was awesome - would recommend Max-Air without a question TY John "
John B on April 2025
30 PLUS YEARS EXPERIENCE- It is our mission to provide the highest quality of service in all aspects of our business. We are extremely thorough with the services that we provide and aim to be most receptive to any issues, questions or concerns that you may have and we handle the concern promptly and professionally. We take All the necessary steps to ensure that our clients are completely satisfied with all of our contractual and assumed responsibilities. Most Importantly, we will fulfill these responsibilities while maintaining the highest ethical standards with our work and our character. Call us today!
"I needed AC repairs unit wasn't running correct - Dan come to my house promptly - he replaced my condenser unit and other items - had me up and running that day - complete clean up of areas when finished - was awesome - would recommend Max-Air without a question TY John "
John B on April 2025
McIntosh Plumbing & Heating 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. McIntosh Plumbing & Heating is a leader in providing our customers with the highest quality products and craftsmanship in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. We look forward to working with you!
"Came as promised with the correct part and installed it without any issues. Completely professional."
Michael B on May 2024
McIntosh Plumbing & Heating 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. McIntosh Plumbing & Heating is a leader in providing our customers with the highest quality products and craftsmanship in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. We look forward to working with you!
"Came as promised with the correct part and installed it without any issues. Completely professional."
Michael B on May 2024
All Island Heating & Air is your premiere business for all your residential or commercial HVAC needs in the Bethpage, NY area. With more than 30 years of experience, we pride ourselves on the quality of workmanship we provide to our customers. Please give us a call today! Central A/C Tune Up $89.99 !! * I do not service oil boilers or furnaces -- GAS ONLY *
"They did a very professional installation job but i did have to deal with the cleanup inside & out."
Leslie M on August 2025
All Island Heating & Air is your premiere business for all your residential or commercial HVAC needs in the Bethpage, NY area. With more than 30 years of experience, we pride ourselves on the quality of workmanship we provide to our customers. Please give us a call today! Central A/C Tune Up $89.99 !! * I do not service oil boilers or furnaces -- GAS ONLY *
"They did a very professional installation job but i did have to deal with the cleanup inside & out."
Leslie M on August 2025

With years in the industry here at CJG Mechanical LLC we pride our company on attention to detail, punctuality, reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. Our attention to detail is that of no other. We look forward to earning your business. Give us a call today!
"Cody came on time and did a great job to get my AC working again properly. Will use again definitely."
James M on June 2024
With years in the industry here at CJG Mechanical LLC we pride our company on attention to detail, punctuality, reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. Our attention to detail is that of no other. We look forward to earning your business. Give us a call today!
"Cody came on time and did a great job to get my AC working again properly. Will use again definitely."
James M on June 2024
? End of winter special for all new customer! ? ?$69.99 special diagnostic fee for troubleshooting or general heating system evaluations. ? ? Call now at (516) 260- 4328! HVAC Gurus. That’s what the competition calls Arvada Mechanical. We are the company that your local company calls when they don’t know what to do. We specialize in all Heating, Air Conditioning and Water Heater Repairs. We are certified by some of the most prestigious Boiler, AC and Water Heater companies in the nation and it shows in our work and professionalism. This includes: AO Smith, American, Whirlpool, John Wood. We are Certified by BAXI and Weil McLain as authorized reps. We have been in the industry since 1997 and we’re not going anywhere anytime soon. Family owned and operated and every customer is treated like family!
"The guys Immediately understood the problem and part necessary to replace. They Returned the following day with the part and replaced it quickly. They also helped me understand the problem and made sure the thermostat was working. Very friendly and pleasant team."
Roseanne C on January 2021
? End of winter special for all new customer! ? ?$69.99 special diagnostic fee for troubleshooting or general heating system evaluations. ? ? Call now at (516) 260- 4328! HVAC Gurus. That’s what the competition calls Arvada Mechanical. We are the company that your local company calls when they don’t know what to do. We specialize in all Heating, Air Conditioning and Water Heater Repairs. We are certified by some of the most prestigious Boiler, AC and Water Heater companies in the nation and it shows in our work and professionalism. This includes: AO Smith, American, Whirlpool, John Wood. We are Certified by BAXI and Weil McLain as authorized reps. We have been in the industry since 1997 and we’re not going anywhere anytime soon. Family owned and operated and every customer is treated like family!
"The guys Immediately understood the problem and part necessary to replace. They Returned the following day with the part and replaced it quickly. They also helped me understand the problem and made sure the thermostat was working. Very friendly and pleasant team."
Roseanne C on January 2021





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