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Heating and furnace pros in Melville
At NJM Mechanical & Contracting Corp., 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. Call us today!
"Professional, timely, clean, and delivered as promised."
Christopher A on November 2021
At NJM Mechanical & Contracting Corp., 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. Call us today!
"Professional, timely, clean, and delivered as promised."
Christopher A on November 2021
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. I do charge trip fee depending where location is at , can discuss b4 service.
"They are dedicated , timely and professional. They provided quality work."
Nicola R on August 2021
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. I do charge trip fee depending where location is at , can discuss b4 service.
"They are dedicated , timely and professional. They provided quality work."
Nicola R on August 2021
On Time Piping and Heating LTD. 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.
"Called and was scheduled for next morning . Arrived on time (actually early) and completed the HW heater replacement in a timely manner. Competitive price and cleaned up nicely"
ken R on June 2025
On Time Piping and Heating LTD. 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.
"Called and was scheduled for next morning . Arrived on time (actually early) and completed the HW heater replacement in a timely manner. Competitive price and cleaned up nicely"
ken R on June 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.
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.
Thank you for visiting we have over 30 years of experience in the business. Here at New York HVAC Corporation we pride our company on 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. We look forward to earning your business! We are fully licensed and insured.
"I never leave bad reviews but feel compelled to warn people not to use this man's service. The most unprofessional, short tempered and hostile man. I am a young mother with a 3 month old infant, so getting our hvac fixed is crucial. Vinny canceled on us last minute and rescheduled twice, he bad mouthed other companies who had worked on our system previously, he told us to run our own wires, and then called my father in law stupid for doing it wrong. When I interjected saying that that wasn't very nice and asked my father if we should call someone else, he became irate, yelled at me for saying something, said i ?should mind my business? in my own home, raised his voice loud enough to startle my infant and made him cry, said he ?should have pushed us down the stairs?, and stormed out of the house like a disgruntled prima-donna. The whole situation left me and my baby rattled. This man thinks that the demand for his trade entitles him to speak down to and mistreat customers.Go elsewhere."
amy m on April 2025
Thank you for visiting we have over 30 years of experience in the business. Here at New York HVAC Corporation we pride our company on 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. We look forward to earning your business! We are fully licensed and insured.
"I never leave bad reviews but feel compelled to warn people not to use this man's service. The most unprofessional, short tempered and hostile man. I am a young mother with a 3 month old infant, so getting our hvac fixed is crucial. Vinny canceled on us last minute and rescheduled twice, he bad mouthed other companies who had worked on our system previously, he told us to run our own wires, and then called my father in law stupid for doing it wrong. When I interjected saying that that wasn't very nice and asked my father if we should call someone else, he became irate, yelled at me for saying something, said i ?should mind my business? in my own home, raised his voice loud enough to startle my infant and made him cry, said he ?should have pushed us down the stairs?, and stormed out of the house like a disgruntled prima-donna. The whole situation left me and my baby rattled. This man thinks that the demand for his trade entitles him to speak down to and mistreat customers.Go elsewhere."
amy m 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
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
Since 1954, Universe Home Services has been proudly serving the Nassau County community and customers throughout the entire region. With Universe Home Services, one call solves it all! Their highly trained technicians offer everything from heating and air conditioning to plumbing to appliance repair and electrical services on Long Island and beyond. Whether you are dealing with an inefficient heating system, a noisy air conditioner, clogged toilet, broken dishwasher, or outdated electrical service panel, you can get the fast, affordable service you need with Universe Home Services. They go above and beyond to ensure that you are completely satisfied with the quality of their work, offering service guarantees and parts and labor guarantees on new HVAC installations.
"We have been waiting for a call back for over 2 weeks. We had a 4k job to ground our above round pool a month ago. We need the inspection certificate to pass the village inspection. It failed after the first try so the company sent someone else to fix the issue in order to be complaint with our village. We waited from 12p-9p for someone to show up. We received a call late that night that they couldn't come and would come the following day. The electrician finally came 7 days ago. He "fixed the issue". He stated we would receive the inspection shortly. The inspection company just "needed a picture" of the change to approve it. My husband has called Universe several times. Left several messages for the DOO with no response. He just got off the phone with a "Chris S" who says he is a project coordinator. He argued with my husband stating, "we are at the mercy of the inspection company". Universe chose this inspection company! We paid for it! Our village inspector is coming tomorrow (appointment made three weeks ago thinking this would be resolved) and we still have no electrical inspection. My husband had surgery Monday and is supposed to be healing. I NEVER write bad reviews..i try to resolve first but I have nowhere else to go. All I need is the inspection certificate! My next step will be to stop payment. UGH..what is so difficult here?"
Debi T on August 2024
Since 1954, Universe Home Services has been proudly serving the Nassau County community and customers throughout the entire region. With Universe Home Services, one call solves it all! Their highly trained technicians offer everything from heating and air conditioning to plumbing to appliance repair and electrical services on Long Island and beyond. Whether you are dealing with an inefficient heating system, a noisy air conditioner, clogged toilet, broken dishwasher, or outdated electrical service panel, you can get the fast, affordable service you need with Universe Home Services. They go above and beyond to ensure that you are completely satisfied with the quality of their work, offering service guarantees and parts and labor guarantees on new HVAC installations.
"We have been waiting for a call back for over 2 weeks. We had a 4k job to ground our above round pool a month ago. We need the inspection certificate to pass the village inspection. It failed after the first try so the company sent someone else to fix the issue in order to be complaint with our village. We waited from 12p-9p for someone to show up. We received a call late that night that they couldn't come and would come the following day. The electrician finally came 7 days ago. He "fixed the issue". He stated we would receive the inspection shortly. The inspection company just "needed a picture" of the change to approve it. My husband has called Universe several times. Left several messages for the DOO with no response. He just got off the phone with a "Chris S" who says he is a project coordinator. He argued with my husband stating, "we are at the mercy of the inspection company". Universe chose this inspection company! We paid for it! Our village inspector is coming tomorrow (appointment made three weeks ago thinking this would be resolved) and we still have no electrical inspection. My husband had surgery Monday and is supposed to be healing. I NEVER write bad reviews..i try to resolve first but I have nowhere else to go. All I need is the inspection certificate! My next step will be to stop payment. UGH..what is so difficult here?"
Debi T on August 2024
Bats Construction Company offers a range of Services, including new construction, renovations, repairs for residential and commercial. We also offer Handyman services as well for small homeowner projects. Some of our services include but are not limited to Junk removal, tree removal, and plumping. We take pride in being a one stop shop for all trades.
"The work was done on time and on budget. The crew was professional and cleaned up every day."
Fred p on July 2024
Bats Construction Company offers a range of Services, including new construction, renovations, repairs for residential and commercial. We also offer Handyman services as well for small homeowner projects. Some of our services include but are not limited to Junk removal, tree removal, and plumping. We take pride in being a one stop shop for all trades.
"The work was done on time and on budget. The crew was professional and cleaned up every day."
Fred p on July 2024
All types of home repairs , electric , plumbing , carpenter , painting I take your honey do list and turn it into a honey done list if you have a problem just call THE GUY to solve it
"Ed responded quickly! He stopped by & repaired the door. I now do not have to struggle to open, close & lock the door. Fantastic work! We will be hiring Ed again soon for sure!"
Joan B on April 2025
All types of home repairs , electric , plumbing , carpenter , painting I take your honey do list and turn it into a honey done list if you have a problem just call THE GUY to solve it
"Ed responded quickly! He stopped by & repaired the door. I now do not have to struggle to open, close & lock the door. Fantastic work! We will be hiring Ed again soon for sure!"
Joan B on April 2025
1. Reliability and Trustworthiness: Customers value a handyman they can rely on to show up on time and complete the job as promised. If your business has a reputation for being dependable and honest, that’s a huge plus. 2. Quality Workmanship: Your business likely takes pride in providing high-quality work, ensuring that every task—no matter how big or small—is completed to a high standard. This attention to detail helps build long-term customer relationships. 3. Wide Range of Services: People appreciate a one-stop solution for various home repairs and maintenance needs. If your business offers a diverse set of skills (e.g., plumbing fixes, electrical work, carpentry, etc.), that convenience is appealing. 4. Fair Pricing: Transparent and fair pricing can attract customers who want quality service without worrying about hidden fees or inflated costs. 5. Personalized Customer Service: Customers want to feel valued and heard. If your business offers friendly, personalized service and takes the time to listen to customer concerns, that’s a significant reason people would choose you. 6. Quick Response and Availability: Many home repairs can’t wait. If you offer flexible scheduling or emergency services, people are more likely to call on you when they need help. 7. Positive Reviews and Word of Mouth: If your business has a strong track record of satisfied customers who recommend you to their friends and family, that social proof is invaluable.
"Very well."
Jean W on November 2024
1. Reliability and Trustworthiness: Customers value a handyman they can rely on to show up on time and complete the job as promised. If your business has a reputation for being dependable and honest, that’s a huge plus. 2. Quality Workmanship: Your business likely takes pride in providing high-quality work, ensuring that every task—no matter how big or small—is completed to a high standard. This attention to detail helps build long-term customer relationships. 3. Wide Range of Services: People appreciate a one-stop solution for various home repairs and maintenance needs. If your business offers a diverse set of skills (e.g., plumbing fixes, electrical work, carpentry, etc.), that convenience is appealing. 4. Fair Pricing: Transparent and fair pricing can attract customers who want quality service without worrying about hidden fees or inflated costs. 5. Personalized Customer Service: Customers want to feel valued and heard. If your business offers friendly, personalized service and takes the time to listen to customer concerns, that’s a significant reason people would choose you. 6. Quick Response and Availability: Many home repairs can’t wait. If you offer flexible scheduling or emergency services, people are more likely to call on you when they need help. 7. Positive Reviews and Word of Mouth: If your business has a strong track record of satisfied customers who recommend you to their friends and family, that social proof is invaluable.
"Very well."
Jean W on November 2024
FAQs for heating and furnace service projects in Melville, NY
Consider replacing your gravity furnace when it's over 30 years old, when you experience frequent system failures, or when your heating bills continue rising despite maintenance. Many older gravity systems operate at substantially lower efficiency rates compared to modern alternatives, often 50% to 60% versus the 80% to 98% efficiency of contemporary furnaces.
Replacement also makes sense when your existing system shows signs of deterioration that could affect safety or when professional inspection reveals significant issues.
Most gravity furnace replacements require between six and 12 hours of professional labor, spanning one to two working days, depending on scheduling and complexity. Basic installations with minimal complications may be completed in a single day, while projects requiring extensive ductwork modifications or asbestos remediation will require additional time.
The timeline includes removal of the old system, preparation of the installation area, placement and connection of the new furnace, and thorough testing.
Watch for warning signs, including inconsistent heating throughout your home, unusual noises during operation, visible corrosion or damage to the heat exchanger, and steadily increasing energy consumption. If your furnace requires frequent repairs or if you notice a yellow or flickering pilot light instead of a steady blue flame, these may indicate serious issues.
Age remains a primary consideration—systems over 30 years old warrant replacement rather than continued repair.
Well-maintained gravity furnaces that pass professional safety inspections can continue operating, but they inherently carry more risk factors than modern systems. Potential concerns include less efficient combustion that may produce carbon monoxide, deteriorating components that could create fire hazards, and the possible presence of asbestos in insulation materials.
Modern furnaces incorporate numerous safety improvements, including automatic shutdown features, sealed combustion chambers, and electronic ignition systems that eliminate standing pilot lights.
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