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    Average homeowner rating
  • Verified reviews icon233
    Verified boiler installation services reviews

Find Boiler installation pros in Lake Success

Avatar for Cs mechanical inc

Cs mechanical inc

Based In
4.98(
48
)
Approved Pro

Cs mechanical inc

Based In
4.98(
48
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
35 local quotes requested

With over 15 years of experience, cs mechanical, Inc. is your trusted partner for all your plumbing and home improvements needs -Pipe repairs -New installation -Water Heaters -shower body’s -faucet and sink repair -Toliet install - wash machine install - dishwasher install

"Chris was very professional. He was on time and did a good job. I would use his services again and I would definitely recommend him."

Frank M on August 2025

With over 15 years of experience, cs mechanical, Inc. is your trusted partner for all your plumbing and home improvements needs -Pipe repairs -New installation -Water Heaters -shower body’s -faucet and sink repair -Toliet install - wash machine install - dishwasher install

"Chris was very professional. He was on time and did a good job. I would use his services again and I would definitely recommend him."

Frank M on August 2025


Avatar for MAKO PLUMBING & HEATING INC

MAKO PLUMBING & HEATING INC

17 MAPLE AVE
4.74(
610
)
Approved Pro

MAKO PLUMBING & HEATING INC

17 MAPLE AVE
4.74(
610
)
Approved Pro
Customers say: Quality work
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
32 local quotes requested

With over 600 positive reviews rest assured Mako Plumbing is a company you can trust! We are committed to giving our customers the most professional service with personalized attention. Our plumbers are all seasoned professionals who know how important good workmanship is to our customers. Mako Plumbing is a fully licensed and insured plumbing and heating service that specializes in fixing pipes for your home or business. We can build or repair your water supplies and drains for structures new and old. We are also certified and insured in New York to install natural gas heat and burners for both commercial and residential applications. We have been installing plumbing fixtures for 20 years and are very familiar with all the current/modern designs and products available today. We provide the highest level of service from a leaking sink in your kitchen or bathroom to a more complex plumbing project and/or renovation. When you are planning your next major project, let Mako Plumbing be your installation expert. Additional email address: [email protected]

"Jay was really professional. He gave me all the options that I have and ended up following his recommendation. Also gave us some free advice on other plumbing issues."

Robert D on April 2025

With over 600 positive reviews rest assured Mako Plumbing is a company you can trust! We are committed to giving our customers the most professional service with personalized attention. Our plumbers are all seasoned professionals who know how important good workmanship is to our customers. Mako Plumbing is a fully licensed and insured plumbing and heating service that specializes in fixing pipes for your home or business. We can build or repair your water supplies and drains for structures new and old. We are also certified and insured in New York to install natural gas heat and burners for both commercial and residential applications. We have been installing plumbing fixtures for 20 years and are very familiar with all the current/modern designs and products available today. We provide the highest level of service from a leaking sink in your kitchen or bathroom to a more complex plumbing project and/or renovation. When you are planning your next major project, let Mako Plumbing be your installation expert. Additional email address: [email protected]

"Jay was really professional. He gave me all the options that I have and ended up following his recommendation. Also gave us some free advice on other plumbing issues."

Robert D on April 2025


Avatar for Universe Home Services

Universe Home Services

3782 Merrick Rd
4.53(
444
)
Approved Pro

Universe Home Services

3782 Merrick Rd
4.53(
444
)
Approved Pro
Customers say: Super punctual
536 local quotes requested
71 years of experience

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’re 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’re completely satisfied with the quality of their work, offering service guarantees and parts and labor guarantees on new HVAC installations. As a family owned and operated company, Universe Home Services believes in top-quality customer service. They always treat you and your property with respect, working quickly, cleanly, and efficiently to minimize your inconvenience and leave your home in pristine condition. With more than 60 years of experience under their belt, and a commitment to unmatched quality, honesty, and expertise, Universe Home Services is the trusted name for heating, air conditioning, electrical, plumbing, and appliance repair on Long Island and beyond! Call today!

"Initially, working with Universe went very well when we replaced a central air unit and installed a single-head and triple-head ductless unit... for about 1 season. After that, numerous issues arose (under warranty) from full line-replacement on the ductless units to having to come back to repair a wired connection that was reversed. This caused the AC to not work and have lots of moisture leak through our units. Additionally, pretty much EVERY season we have had an issue with our "brand new efficient systems" not working or failing. We leveraged the warranty and figured all the "kinks" of the installation were worked out over the first few years. Now, with the warranty expired for a year, we have had to have them back to our house several times with a service charge with absolutely zero consideration for the large project we have done with them and our dedicated customer history. We paid for those, thinking we would be done with repairs, as the tech said... Two days ago, with one single-head unit not powering up, they wanted to charge $285 just to show up to take a look at the issue... couldn't even send someone over when convenient to take a quick look... Severely disappointed in this "family business" that treats loyal/dedicated customers as a number. Their installation of ductless systems seems mediocre at best."

Keith M on August 2022

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’re 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’re completely satisfied with the quality of their work, offering service guarantees and parts and labor guarantees on new HVAC installations. As a family owned and operated company, Universe Home Services believes in top-quality customer service. They always treat you and your property with respect, working quickly, cleanly, and efficiently to minimize your inconvenience and leave your home in pristine condition. With more than 60 years of experience under their belt, and a commitment to unmatched quality, honesty, and expertise, Universe Home Services is the trusted name for heating, air conditioning, electrical, plumbing, and appliance repair on Long Island and beyond! Call today!

"Initially, working with Universe went very well when we replaced a central air unit and installed a single-head and triple-head ductless unit... for about 1 season. After that, numerous issues arose (under warranty) from full line-replacement on the ductless units to having to come back to repair a wired connection that was reversed. This caused the AC to not work and have lots of moisture leak through our units. Additionally, pretty much EVERY season we have had an issue with our "brand new efficient systems" not working or failing. We leveraged the warranty and figured all the "kinks" of the installation were worked out over the first few years. Now, with the warranty expired for a year, we have had to have them back to our house several times with a service charge with absolutely zero consideration for the large project we have done with them and our dedicated customer history. We paid for those, thinking we would be done with repairs, as the tech said... Two days ago, with one single-head unit not powering up, they wanted to charge $285 just to show up to take a look at the issue... couldn't even send someone over when convenient to take a quick look... Severely disappointed in this "family business" that treats loyal/dedicated customers as a number. Their installation of ductless systems seems mediocre at best."

Keith M on August 2022


Avatar for Premier HVAC Services

Premier HVAC Services

2601 E 24th St
4.41(
202
)
Approved Pro

Premier HVAC Services

2601 E 24th St
4.41(
202
)
Approved Pro
Customers say: Quality work
94 local quotes requested
9 years of experience

When you need help with your heating, ventilation and air conditioning, you don’t want to hear that your technician is stuck in traffic. You won’t hear that excuse from us. We’re based in Brooklyn, at Sheepshead Bay road - in an office, not a phone drop or a postal address. It gives us quick access to many of our customers. But we also have workstations in Staten Island and Long Island. This way, our techs can quickly help you, whether you have an emergency or a routine call. They can rapidly fan out across Manhattan, Queens, Brooklyn and Long Island, ready to install mini-splits and portable AC units, clean chimneys, service residential and commercial HVAC systems, solve your radiant heat problem or get your furnace running more effectively. Our techs are experienced in all sorts of HVAC installation and repair, from heat pump systems and oil furnaces to air conditioner compressors and ac units. How we began As veterans of the industry for more than 10 years, we formed the company in Brooklyn in June 2016 with just one van and one technician. Fortunately, satisfied customers have rewarded us with many referrals and now we have seven vans and 15 people on our team, including office staff. We’re very proud and very grateful for our success. The team leader is Greg. He oversees all three locations and keeps us organized, making sure we respond to calls and we don’t leave until the customer is satisfied. Our techs are experienced, licensed and insured. We can help you, whether you want a new heat pump, a boiler repair, clean air ducts or a commercial HVAC overhaul.

"I called Premier HVAC Services for a routine check-up, and they never showed up. After waiting 3 hours, they rescheduled for a week later without any apologies. Completely unprofessional and unreliable. I wouldn’t trust them with my HVAC needs."

Heidi O on October 2025

When you need help with your heating, ventilation and air conditioning, you don’t want to hear that your technician is stuck in traffic. You won’t hear that excuse from us. We’re based in Brooklyn, at Sheepshead Bay road - in an office, not a phone drop or a postal address. It gives us quick access to many of our customers. But we also have workstations in Staten Island and Long Island. This way, our techs can quickly help you, whether you have an emergency or a routine call. They can rapidly fan out across Manhattan, Queens, Brooklyn and Long Island, ready to install mini-splits and portable AC units, clean chimneys, service residential and commercial HVAC systems, solve your radiant heat problem or get your furnace running more effectively. Our techs are experienced in all sorts of HVAC installation and repair, from heat pump systems and oil furnaces to air conditioner compressors and ac units. How we began As veterans of the industry for more than 10 years, we formed the company in Brooklyn in June 2016 with just one van and one technician. Fortunately, satisfied customers have rewarded us with many referrals and now we have seven vans and 15 people on our team, including office staff. We’re very proud and very grateful for our success. The team leader is Greg. He oversees all three locations and keeps us organized, making sure we respond to calls and we don’t leave until the customer is satisfied. Our techs are experienced, licensed and insured. We can help you, whether you want a new heat pump, a boiler repair, clean air ducts or a commercial HVAC overhaul.

"I called Premier HVAC Services for a routine check-up, and they never showed up. After waiting 3 hours, they rescheduled for a week later without any apologies. Completely unprofessional and unreliable. I wouldn’t trust them with my HVAC needs."

Heidi O on October 2025


Avatar for JRS Maintenance

JRS Maintenance

208-10 Cross Island Pkwy
5.00(
11
)
Approved Pro

JRS Maintenance

208-10 Cross Island Pkwy
5.00(
11
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
85 local quotes requested

We specialize in plumbing and heating, We do quality work. We use quality material and offer great price's, are work is guaranteed and I stand behind and promise great workmanship. We have over 20 years experience in the New York region. JR Maintenance is a Plumber & Heating Contractor located in Queens, NY and has been servicing all of Queens and the surrounding areas for many years. We specialize in Plumbing Installation, Heater Installation, Heater Maintenance, Plumbing Repair, Heater Repair, Heating, Boiler Repair, Boiler Installation, Hot Water Heater Installation, Hot Water Heater Service & more. Here at JR Maintenance, our mission is to always provide quality Plumbing Service & Heating Service at an affordable price. The success of our company is due to the dedication we provide to our customers. No matter the job, customer satisfaction is always our number one priority! Contact our Plumbing Contractor today or check out our website for more information!

"Mr. James Ryan of JRS Maintenance came to my home to replace the old pipes under my kitchen sink. He was extremely professional, polite, and accommodating when he made the appointment with me via text and phone confirmations. Customer service and courteous treatment were at the forefront of the conversations. When James arrived to do the work, he was prompt, clean, skilled, and knowledgeable. He went right to work and answered any questions I had for him pertaining to the job at hand. He even attached the pipes I need to install a new dishwasher. He advised me to get a new dishwasher, instead of fixing the old one. Many plumbers would fix the old one even if it wasn't advantageous to do so, just for the fee. I highly recommend James for any plumbing needs you may have. He is reasonably priced, well-spoken, and knowledgeable in his craft!"

Benjamin C on September 2025

We specialize in plumbing and heating, We do quality work. We use quality material and offer great price's, are work is guaranteed and I stand behind and promise great workmanship. We have over 20 years experience in the New York region. JR Maintenance is a Plumber & Heating Contractor located in Queens, NY and has been servicing all of Queens and the surrounding areas for many years. We specialize in Plumbing Installation, Heater Installation, Heater Maintenance, Plumbing Repair, Heater Repair, Heating, Boiler Repair, Boiler Installation, Hot Water Heater Installation, Hot Water Heater Service & more. Here at JR Maintenance, our mission is to always provide quality Plumbing Service & Heating Service at an affordable price. The success of our company is due to the dedication we provide to our customers. No matter the job, customer satisfaction is always our number one priority! Contact our Plumbing Contractor today or check out our website for more information!

"Mr. James Ryan of JRS Maintenance came to my home to replace the old pipes under my kitchen sink. He was extremely professional, polite, and accommodating when he made the appointment with me via text and phone confirmations. Customer service and courteous treatment were at the forefront of the conversations. When James arrived to do the work, he was prompt, clean, skilled, and knowledgeable. He went right to work and answered any questions I had for him pertaining to the job at hand. He even attached the pipes I need to install a new dishwasher. He advised me to get a new dishwasher, instead of fixing the old one. Many plumbers would fix the old one even if it wasn't advantageous to do so, just for the fee. I highly recommend James for any plumbing needs you may have. He is reasonably priced, well-spoken, and knowledgeable in his craft!"

Benjamin C on September 2025


Avatar for Aqua Tech Plumbing

Aqua Tech Plumbing

4356 Martha Ave
4.67(
3
)
Approved Pro

Aqua Tech Plumbing

4356 Martha Ave
4.67(
3
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
49 local quotes requested

We specialize in plumbing services, repairs, inspections, installations, and more! We guarantee your satisfaction, and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out all the services we offer below and call -or- click to schedule a free estimate today!

"Very good service. Explained everything. Removed and/or replace with explanations."

Charles M on March 2025

We specialize in plumbing services, repairs, inspections, installations, and more! We guarantee your satisfaction, and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out all the services we offer below and call -or- click to schedule a free estimate today!

"Very good service. Explained everything. Removed and/or replace with explanations."

Charles M on March 2025


Avatar for PRIORITY CESSPOOL SEWER & DRAIN, INC

PRIORITY CESSPOOL SEWER & DRAIN, INC

PO Box 450
4.82(
260
)
Approved Pro

PRIORITY CESSPOOL SEWER & DRAIN, INC

PO Box 450
4.82(
260
)
Approved Pro
Customers say: Quality work
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
137 local quotes requested

At Priority Cesspool we Install, service and maintaine cesspool & septic systems as well as providing sewer & drain cleaning services. Priority Cesspool is a full service cesspool, sewer & drain company. N.Y.S. Dec Lic # 1A-873 Member L.I.L.W.A. (L.I. Liquid Waste Ass.) Member B.B.B. Suffolk County License #44528-LW DBA of Clear River Environmental Service Corp

"Everything went well"

Jeanne D on August 2024

At Priority Cesspool we Install, service and maintaine cesspool & septic systems as well as providing sewer & drain cleaning services. Priority Cesspool is a full service cesspool, sewer & drain company. N.Y.S. Dec Lic # 1A-873 Member L.I.L.W.A. (L.I. Liquid Waste Ass.) Member B.B.B. Suffolk County License #44528-LW DBA of Clear River Environmental Service Corp

"Everything went well"

Jeanne D on August 2024


"NYC Sewers helped us do hydro-excavation around utility lines in a new development project we did. We also hired them to clean and later maintain dry wells in our strip center that were flooding with heavy rains. Each time they were professional and knowledgeable and their prices were great compared to other companies we contacted."

SHAWN D on July 2023

With several years experience, we work hard to bring each customer the best possible service and quality available. We look forward to working with you on your next project. We welcome your questions and thank you for your interest.

"NYC Sewers helped us do hydro-excavation around utility lines in a new development project we did. We also hired them to clean and later maintain dry wells in our strip center that were flooding with heavy rains. Each time they were professional and knowledgeable and their prices were great compared to other companies we contacted."

SHAWN D on July 2023


Petrone Plumbing & Heating Corp.

7631 263rd Street
New on AngiNew on Angi
Approved Pro

Petrone Plumbing & Heating Corp.

7631 263rd Street
New on AngiNew on Angi
Approved Pro
45 years of experience
Free onsite estimate

Petrone Plumbing & Heating Corp. brings an unmatched commitment to excellence to your plumbing and heating projects. We have over 40 years experience delivering unsurpassed professionalism, expertise, and value. We take pride in providing our customers with personalized customer service, the highest industry standards, and top quality workmanship. References available upon request. Give us a call today!

Petrone Plumbing & Heating Corp. brings an unmatched commitment to excellence to your plumbing and heating projects. We have over 40 years experience delivering unsurpassed professionalism, expertise, and value. We take pride in providing our customers with personalized customer service, the highest industry standards, and top quality workmanship. References available upon request. Give us a call today!


Tonnage Heating & Cooling

9002 Queens Boulevard, Unit 524
New on AngiNew on Angi
Approved Pro

Tonnage Heating & Cooling

9002 Queens Boulevard, Unit 524
New on AngiNew on Angi
Approved Pro
16 years of experience
Free onsite estimate

Tonnage Heating & 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.

Tonnage Heating & 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.

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Install Boiler questions, answered by experts

An expansion tank must always be installed on the supply side, which is the side where the boiler sends water out to heat the systems. That placement allows the water to push against the air and condense properly as it is heated, then circulated through the system. Professional installers can recommend the best place on the supply side for an expansion tank.

Generally speaking, an oil furnace is safer than a gas furnace for a number of reasons. Both types create carbon monoxide, with the potential for deadly leaks, but it's easier to detect an issue with an oil furnace because you smell the problem almost immediately. Also, oil furnaces don’t connect to a pipeline, reducing the chances of a leak in the first place. Finally, heating oil is not combustible, and natural gas is, so there’s no chance of an explosion and a reduced chance of a fire with an oil furnace.

Heat pumps offer much more efficiency than a boiler, relying only on electricity to provide 3 to 4 times the amount of heat you can get from a boiler, which runs on fossil fuels. You can save money over time as it costs less to maintain and operate a heat pump, though you will pay a higher price upfront to install it compared to a boiler.

The best way to save money on home heating oil is to get large deliveries in the summer months when the prices are lowest. However, this method will only work if you have a separate storage tank or an unusually large primary tank. You can sometimes save money by opting into a delivery contract, as some companies offer set prices that they believe will sit at the average cost over the contract term. If the price of oil rises, you could enjoy some savings, but keep in mind that you might also pay a bit more if the price decreases.

Depending on the size of your home and system, as well as any upgrades or add-ons you choose, it may take between three and five days to completely replace an existing HVAC system from start to finish. Your contractor should be able to give you an estimate before they begin the actual replacement.

The Lake Success, NY homeowners’ guide to boiler installation services

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