*The Angi rating for Heating And Air Conditioning Service companies in Uniondale, NY is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.
*The HomeAdvisor rating for Heating And Air Conditioning Service companies in Uniondale, NY is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.
Last update on April 26, 2025
We are a locally owned and operated company that values honesty and integrity, and treats your home as if it were our own. We offer a variety of services that are customization to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships, and guarantee your satisfaction!
"Very professional technicians!"
Genaro M on April 2024
We are a locally owned and operated company that values honesty and integrity, and treats your home as if it were our own. We offer a variety of services that are customization to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships, and guarantee your satisfaction!
"Very professional technicians!"
Genaro M on April 2024
AA & JJ HVAC INC offers reliability, great communication, integrity, and quality work. We are experts in our trade. Our motto is to "treat every customer as we would a family member". We look forward to earning your business!
"This is your HVAC guy!! Accept no substitutes! Mr Ryan not only installed a new thermostat, he made new filter rails for my furnace and cleaned out the carbon build up in the jets. A+ performance and reliability. On time and professional!! This is the guy!! I will definitely be calling him for my yearly maintenance. "
Chris M on March 2025
AA & JJ HVAC INC offers reliability, great communication, integrity, and quality work. We are experts in our trade. Our motto is to "treat every customer as we would a family member". We look forward to earning your business!
"This is your HVAC guy!! Accept no substitutes! Mr Ryan not only installed a new thermostat, he made new filter rails for my furnace and cleaned out the carbon build up in the jets. A+ performance and reliability. On time and professional!! This is the guy!! I will definitely be calling him for my yearly maintenance. "
Chris M on March 2025
Thank you for considering hiring us for your project! At Mitch Piping we pride ourselves on quality work, integrity and competitive pricing. We believe in giving our absolute best, no matter how big or small your project. We are experts in our trade, and we will keep you educated and informed throughout the completion of your project. We treat your property like it's our own, with the utmost respect, just like we would our own family! As the owner, my aim is to earn a 5-star review on the completion of your project. So, please let me know if at any time we are not living up to earning your perfect 5-star review. We look forward to earning your business, so please ask us for references!
"They was very good Profesionals and finish the job on time as promised . I would recommend them for plumbing and heating 100 % . Here is some pics taken of some roughing"
Glen p on February 2025
Thank you for considering hiring us for your project! At Mitch Piping we pride ourselves on quality work, integrity and competitive pricing. We believe in giving our absolute best, no matter how big or small your project. We are experts in our trade, and we will keep you educated and informed throughout the completion of your project. We treat your property like it's our own, with the utmost respect, just like we would our own family! As the owner, my aim is to earn a 5-star review on the completion of your project. So, please let me know if at any time we are not living up to earning your perfect 5-star review. We look forward to earning your business, so please ask us for references!
"They was very good Profesionals and finish the job on time as promised . I would recommend them for plumbing and heating 100 % . Here is some pics taken of some roughing"
Glen p on February 2025
Were dedicated to providing our clients with the very best in service, installation, and repair for all phases of your plumbing needs. We specialize in a variety of residential and commercial services and take pride in the attention to detail put into each of the projects we're involved with. We're known for our quality work and the integrity of our business. We look forward to building long-term relationships with our clients, and guarantee your satisfaction.
"The whole team was very professional and answered any question we had Treated very fairly. Finished a big job timely and neat . Would recommend them to anyone."
Thomas L on November 2024
Were dedicated to providing our clients with the very best in service, installation, and repair for all phases of your plumbing needs. We specialize in a variety of residential and commercial services and take pride in the attention to detail put into each of the projects we're involved with. We're known for our quality work and the integrity of our business. We look forward to building long-term relationships with our clients, and guarantee your satisfaction.
"The whole team was very professional and answered any question we had Treated very fairly. Finished a big job timely and neat . Would recommend them to anyone."
Thomas L on November 2024
iRiverdale Construction, Inc. is one of New York's elite general contractors, specializing in a diverse range of residential and commercial projects. As a family-owned and operated business with over a decade of experience, we are recognized as masters in our field. Whether you need a concept for your project or want to bring your vision to life, we create stunning works of art tailored to your needs. No matter the size or scope, we apply our unique skill set to ensure your project's success, treating your property with the same care and attention we give our own. Our satisfied repeat customers consistently return to us for new projects, and we are always eager to welcome new clients. Contact us today to schedule an initial consultation and discuss how we can help turn your project into a reality.
"I hired Riverdale construction through a colleague of mine she had worked on on her home and she said this company that is owned by Raquel Diamond is a smart skilled and professional and friendly her team transformed my full basement with adding columns with opening walls for more space. Including moving my bathroom and my laundry room The project manager Jay kept me informed throughout the whole process , always available to answer questions,I felt like they were really listening to our needs.They worked efficiently and stayed on track no delays or unexpected setbacks. The crew was polite and respectful They cleaned up thoroughly after each day Everyone on the team seemed highly skilled.They went above and beyond toaddress any issues They were very accommodating to our needs. They followed up after the project was completed to ensure I was completely happy . I would recommend I Riverdale Construction and Raquel Diamond to anyone who wants to remodel their home."
Yolanda W on April 2025
iRiverdale Construction, Inc. is one of New York's elite general contractors, specializing in a diverse range of residential and commercial projects. As a family-owned and operated business with over a decade of experience, we are recognized as masters in our field. Whether you need a concept for your project or want to bring your vision to life, we create stunning works of art tailored to your needs. No matter the size or scope, we apply our unique skill set to ensure your project's success, treating your property with the same care and attention we give our own. Our satisfied repeat customers consistently return to us for new projects, and we are always eager to welcome new clients. Contact us today to schedule an initial consultation and discuss how we can help turn your project into a reality.
"I hired Riverdale construction through a colleague of mine she had worked on on her home and she said this company that is owned by Raquel Diamond is a smart skilled and professional and friendly her team transformed my full basement with adding columns with opening walls for more space. Including moving my bathroom and my laundry room The project manager Jay kept me informed throughout the whole process , always available to answer questions,I felt like they were really listening to our needs.They worked efficiently and stayed on track no delays or unexpected setbacks. The crew was polite and respectful They cleaned up thoroughly after each day Everyone on the team seemed highly skilled.They went above and beyond toaddress any issues They were very accommodating to our needs. They followed up after the project was completed to ensure I was completely happy . I would recommend I Riverdale Construction and Raquel Diamond to anyone who wants to remodel their home."
Yolanda W on April 2025
We specialize in general maintenance such as pressure washing, gutter cleaning, window cleaning and painting as well as exterior work such as concrete, block work, paving, landscape, drainage and fence erection. We also complete interior work such as timber flooring ,tiling, drywall, cabinet installation, carpet installation and general carpentry. We are a small irish owned and operated company that take great pride in our work and our biggest goal is customer satisfaction.
"The folks at Celtic Property Maintenance were excellent and did a really great job installing the window bars. They communicated well throughout the process and arranged for all of the parts and equipment themselves. I really liked their efficient and speedy work. I'll be hiring them again!"
John C on February 2025
We specialize in general maintenance such as pressure washing, gutter cleaning, window cleaning and painting as well as exterior work such as concrete, block work, paving, landscape, drainage and fence erection. We also complete interior work such as timber flooring ,tiling, drywall, cabinet installation, carpet installation and general carpentry. We are a small irish owned and operated company that take great pride in our work and our biggest goal is customer satisfaction.
"The folks at Celtic Property Maintenance were excellent and did a really great job installing the window bars. They communicated well throughout the process and arranged for all of the parts and equipment themselves. I really liked their efficient and speedy work. I'll be hiring them again!"
John C on February 2025
I am a Specialist in trouble shooting hvac systems, MEPS issues, and infrastructure issues including carpentry and ductwork problems, we also specialize in ductwork manufacturing and motor selection as well as demo and clean up projects in hospital settings for over 15 years including the new york city hospital network and nyc office of mental health buildings. Always remember Preventive maintenance is key… project planning is essential to prevent any predictable issue. SMG…. Is a small honest mom and pop shop that pride ourselves in the completing the small jobs by Tackling the issue day by day.
I am a Specialist in trouble shooting hvac systems, MEPS issues, and infrastructure issues including carpentry and ductwork problems, we also specialize in ductwork manufacturing and motor selection as well as demo and clean up projects in hospital settings for over 15 years including the new york city hospital network and nyc office of mental health buildings. Always remember Preventive maintenance is key… project planning is essential to prevent any predictable issue. SMG…. Is a small honest mom and pop shop that pride ourselves in the completing the small jobs by Tackling the issue day by day.
Because we have the experience, expertise, and equipment to meet and surpass customer expectations. Our motto is just solutions
Because we have the experience, expertise, and equipment to meet and surpass customer expectations. Our motto is just solutions
We won’t leave till you are satisfied with the work that’s performed
We won’t leave till you are satisfied with the work that’s performed
Knowing how long your existing HVAC units can last is essential to determine if you need a repair or replacement. Typically, most modern air conditioning units can last between 15 to 20 years, and most furnaces can work properly for 15 to 30 years. If your HVAC system is on the older side and you decide to replace one unit, it might make sense to replace both simultaneously to save on costs and future hassle.
While different HVAC contractors might offer higher or lower prices than competitors, the best time to replace your HVAC system is when customer demand is low. The beginning of summer and the beginning of winter bring the most demand for HVAC systems, so if you can, consider replacing your HVAC units in the early spring or fall. Many HVAC companies offer special off-season coupons that help lower the overall cost.
The average cost to hire an HVAC contractor is between $50 and $150 per hour if charging hourly. However, some HVAC contractors will charge a flat fee by the type of service they are performing—for example, an inspection can cost between $150 to $500. Keep in mind that emergency repairs—which are made after business hours or around major holidays—generally cost more than scheduled repairs.
Yes, most states require HVAC technicians to be certified, and for good reason. Hiring an unlicensed HVAC technician could lead to poor quality work, costly future expenses, and potential code violations.
As you browse our pro listings, take note of the “Angi Approved” badge. Angi Approved businesses meet our standards for certification which include:
The owner, principal, or relevant manager passed a criminal background check
Required to have applicable state and local licenses
Maintain an average star rating of 3.0 or better on our network, if they have at least one review
Paying to advertise their services
Meeting any other eligibility criteria required by Angi
Keep in mind licensing is different from certifications. A license is a legal requirement to operate a business, while certifications are voluntary.
The average cost of HVAC repairs is around $350. However, that price can be as low as $100 or as high as $2,000 or more, depending on the repair. For example, replacing a capacitor is a relatively inexpensive repair, ranging from $100 to $500. However, a compressor repair is a more expensive repair, ranging from $750 to $2,000.