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TRUSTED BY LOCUST VALLEY, NY HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon883
    Verified boiler installation services reviews

Find Boiler installation pros in Locust Valley

Avatar for Steve's Appliance Repair

Steve's Appliance Repair

4.95(
745
)
Approved Pro

Steve's Appliance Repair

4.95(
745
)
Approved Pro
Super Service Award
Customers say: Super punctual
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
28 years of experience

Steve Appliance Repair has been serving all Queens & Nassau for 25 years. Specializing in all major appliances repairs. Owner-operated (no one else will come to your home except the person in this picture, which is me). Does everything with his own hands. Charges a flat rate. No additional travel charges. No additional service fees. Award winning. Additional phone numbers - (718) 224-6800, (516) 747-1380 & (800) 879-9114.

"Communicated well. Machine back up running ."

Meka P on November 2025

Steve Appliance Repair has been serving all Queens & Nassau for 25 years. Specializing in all major appliances repairs. Owner-operated (no one else will come to your home except the person in this picture, which is me). Does everything with his own hands. Charges a flat rate. No additional travel charges. No additional service fees. Award winning. Additional phone numbers - (718) 224-6800, (516) 747-1380 & (800) 879-9114.

"Communicated well. Machine back up running ."

Meka P on November 2025


Avatar for D&M Appliance Repair Inc.

D&M Appliance Repair Inc.

4.91(
128
)
Approved Pro

D&M Appliance Repair Inc.

4.91(
128
)
Approved Pro
Customers say: True professional
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
9 years of experience

WE REPAIR ALL MAKES AND MODELS OF APPLIANCES and PROVIDE A 90 DAY WARRANTY. Family Owned- dedicated appliance repair technician servicing since 2003. Not only do we have lower prices than other competitors, but we care for your house as much as we do for your appliances. We wear booties on our shoes, use place mats to lay our tools and appliances. We are EPA certified and capable of PROPERLY doing sealed systems to replace compressors. Meet the Technician- Daniel is a hardworking, ambitious family man. His focus is combining the technical skills he possesses with the quality of care and respect he provides to the customers.

"I was given a date very quickly to come and handle the job. Once the matter was accessed, my stove was fixed, very quickly, and explaining to me and showing me the cause. Cleaned up behind himself. I appreciate how quickly they responded and handled the matter. I will consider using them for the future."

Francina N on November 2025

WE REPAIR ALL MAKES AND MODELS OF APPLIANCES and PROVIDE A 90 DAY WARRANTY. Family Owned- dedicated appliance repair technician servicing since 2003. Not only do we have lower prices than other competitors, but we care for your house as much as we do for your appliances. We wear booties on our shoes, use place mats to lay our tools and appliances. We are EPA certified and capable of PROPERLY doing sealed systems to replace compressors. Meet the Technician- Daniel is a hardworking, ambitious family man. His focus is combining the technical skills he possesses with the quality of care and respect he provides to the customers.

"I was given a date very quickly to come and handle the job. Once the matter was accessed, my stove was fixed, very quickly, and explaining to me and showing me the cause. Cleaned up behind himself. I appreciate how quickly they responded and handled the matter. I will consider using them for the future."

Francina N on November 2025


Avatar for Euro Expert Corporation

Euro Expert Corporation

4.92(
151
)
Approved Pro

Euro Expert Corporation

4.92(
151
)
Approved Pro
Customers say: Quick response
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
15 years of experience

Euro Expert Corporation finds passion in transforming your home and doing the necessary improvement to make it the way you desire, we plan to exceed your expectations! We are professionals from Europe with technique and skills that are unmatched. With over twenty years of experience you can rely on us to do the job one time from start to finish and most importantly, do it right. We make it our mission to listen to our customers in order to ensure 100% satisfaction. So stop shopping around and give us a chance to earn your business. Give Euro Expert a call and see what we can do for you!

"All work was done efficiently and professionally. Very happy with the results of our stall shower installation."

Timothy G on December 2025

Euro Expert Corporation finds passion in transforming your home and doing the necessary improvement to make it the way you desire, we plan to exceed your expectations! We are professionals from Europe with technique and skills that are unmatched. With over twenty years of experience you can rely on us to do the job one time from start to finish and most importantly, do it right. We make it our mission to listen to our customers in order to ensure 100% satisfaction. So stop shopping around and give us a chance to earn your business. Give Euro Expert a call and see what we can do for you!

"All work was done efficiently and professionally. Very happy with the results of our stall shower installation."

Timothy G on December 2025


Avatar for Cs mechanical inc

Cs mechanical inc

4.98(
48
)
Approved Pro

Cs mechanical inc

4.98(
48
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
Emergency services offered

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 Comfort Ductwork Systems, Inc.

Comfort Ductwork Systems, Inc.

4.97(
67
)
Approved Pro

Comfort Ductwork Systems, Inc.

4.97(
67
)
Approved Pro
Customers say: Quality work
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
20 years of experience

Contact us for all of your heating and air conditioning installs or replacements. We also do install and repair of boilers and furnaces. We service all of Suffolk and Nassau counties. We are a member of the Better Business Bureau, EPA certified, and a member of PSEGLI Cool Homes Contractors.

"We just got a new AC unit and oil furnace installed. We couldn’t be happier ! They were very professional from the start. They were so good with all the details and took away our old units , very clean and organized and super nice guys. I already gave my family his info so they will be calling them in the future. The owner makes us his priority and does everything from start to finish. Gave us a great price and wonderful dealing with them. If we ever need anything in the future we will certainly call them. I highly recommend them. Nanci & franco "

franco f on July 2025

Contact us for all of your heating and air conditioning installs or replacements. We also do install and repair of boilers and furnaces. We service all of Suffolk and Nassau counties. We are a member of the Better Business Bureau, EPA certified, and a member of PSEGLI Cool Homes Contractors.

"We just got a new AC unit and oil furnace installed. We couldn’t be happier ! They were very professional from the start. They were so good with all the details and took away our old units , very clean and organized and super nice guys. I already gave my family his info so they will be calling them in the future. The owner makes us his priority and does everything from start to finish. Gave us a great price and wonderful dealing with them. If we ever need anything in the future we will certainly call them. I highly recommend them. Nanci & franco "

franco f on July 2025


Avatar for PRIORITY CESSPOOL SEWER & DRAIN, INC

PRIORITY CESSPOOL SEWER & DRAIN, INC

4.90(
250
)
Approved Pro

PRIORITY CESSPOOL SEWER & DRAIN, INC

4.90(
250
)
Approved Pro
Customers say: Quick response
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
34 years of experience

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


Arta Construction

5.00(
131
)
Approved Pro

Arta Construction

5.00(
131
)
Approved Pro
Super Service Award
Customers say: True professional
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
14 years of experience

Arta Construction has a vast knowledge of not only your everyday home improvements, but the big projects as well. We specialize in bathroom and kitchen work, as well as whole home renovations. We are licensed and insured and we only work with licensed plumbers and electricians. We offer free project consultations not matter the job. All billing and payment methods will be discussed at the time of the final project consult.

"The Arta team is fantastic. They were on schedule every single day of our 3 month renovation (we brought the entire interior of the upstairs down to the studs). Their specific attention to detail left me confident at the end of every day that things would be done correctly and on schedule. We installed really high end furniture, fixtures and materials which they treated with care."

Leonard S on October 2025

Arta Construction has a vast knowledge of not only your everyday home improvements, but the big projects as well. We specialize in bathroom and kitchen work, as well as whole home renovations. We are licensed and insured and we only work with licensed plumbers and electricians. We offer free project consultations not matter the job. All billing and payment methods will be discussed at the time of the final project consult.

"The Arta team is fantastic. They were on schedule every single day of our 3 month renovation (we brought the entire interior of the upstairs down to the studs). Their specific attention to detail left me confident at the end of every day that things would be done correctly and on schedule. We installed really high end furniture, fixtures and materials which they treated with care."

Leonard S on October 2025


"Everything worked out very well. We were very pleased with the work and the final product."

Jeffrey H on December 2025

OZ General Contracting Co Inc. has an over 30 year extensive portfolio of incredible kitchen and bathroom renovations in Nassau and Suffolk County Long Island, NY. We are innovative, efficient, reliable, and we always exceed our client’s expectations.

"Everything worked out very well. We were very pleased with the work and the final product."

Jeffrey H on December 2025


Avatar for Portillo's Carpentry & Demolition

Portillo's Carpentry & Demolition

4.84(
64
)
Approved Pro

Portillo's Carpentry & Demolition

4.84(
64
)
Approved Pro
Customers say: Quick response
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
15 years of experience

portillo demolition general repairs, maintenance, in business since 2010. Family owned and operated. Painting interior and exterior stall doors windows decking painting power washer pavers driveway fences sealer driveway ceramic work bathroom kitchen fire place stall wood flooring bambú laminates make new bathroom new kitchen few other things.

"This review is long overdue! We had the pleasure of working with Robert on renovating our new house from top to bottom almost a year ago, and we are still thrilled with the results. Their professionalism, attention to detail, and commitment to quality has created a deep trust in Robert. He is top of our list and we have recommended him and his team to all our family and friends. We knew he would be a good fit from the initial consultation. Roberto managed everything with care and great attention to detail. Robert and his team executed our vision so well and everyone who has been over have showered us with compliments at how good everything looks. Throughout the renovation Roberto maintained excellent communication, keeping us updated at every stage. They were always punctual, courteous, and willing to answer any questions we had. His team was respectful of our home and ensured that the worksite was clean and organized at the end of each day. The quality of workmanship has proven to be outstanding and the custom work will last us for years to come. Another impressive aspect of working with Roberto and team was their ability to stay on schedule and within budget. They provided a clear timeline at the beginning of the project and adhered to it, completing the work on time without any unexpected costs. Even after the project was completed, Roberto continued to provide exceptional customer service and followed up to ensure we were satisfied with the work. We highly recommend Roberto to anyone looking for a reliable, skilled, and professional contractor. Our new house is beautiful and suits us perfectly thanks to Roberto and his team!"

TK N on October 2024

portillo demolition general repairs, maintenance, in business since 2010. Family owned and operated. Painting interior and exterior stall doors windows decking painting power washer pavers driveway fences sealer driveway ceramic work bathroom kitchen fire place stall wood flooring bambú laminates make new bathroom new kitchen few other things.

"This review is long overdue! We had the pleasure of working with Robert on renovating our new house from top to bottom almost a year ago, and we are still thrilled with the results. Their professionalism, attention to detail, and commitment to quality has created a deep trust in Robert. He is top of our list and we have recommended him and his team to all our family and friends. We knew he would be a good fit from the initial consultation. Roberto managed everything with care and great attention to detail. Robert and his team executed our vision so well and everyone who has been over have showered us with compliments at how good everything looks. Throughout the renovation Roberto maintained excellent communication, keeping us updated at every stage. They were always punctual, courteous, and willing to answer any questions we had. His team was respectful of our home and ensured that the worksite was clean and organized at the end of each day. The quality of workmanship has proven to be outstanding and the custom work will last us for years to come. Another impressive aspect of working with Roberto and team was their ability to stay on schedule and within budget. They provided a clear timeline at the beginning of the project and adhered to it, completing the work on time without any unexpected costs. Even after the project was completed, Roberto continued to provide exceptional customer service and followed up to ensure we were satisfied with the work. We highly recommend Roberto to anyone looking for a reliable, skilled, and professional contractor. Our new house is beautiful and suits us perfectly thanks to Roberto and his team!"

TK N on October 2024


"Very professional. He assessed the problem then explained to me the cost and we went ahead and he fixed in all in a few hours. Very satisfied"

Darlene W on July 2025

With over 30 years of 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.

"Very professional. He assessed the problem then explained to me the cost and we went ahead and he fixed in all in a few hours. Very satisfied"

Darlene W on July 2025

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Install Boiler questions, answered by experts

Always consult your manual for specific pressure numbers. Many expansion tanks come pre-pressurized at a specific PSI range, anywhere from 12 to 40 PSI, designed for a range of home boilers. You should not have to pressurize an expansion tank yourself, only the boiler system. If your system has a tank that needs to be manually pressurized, this is generally a job for professionals and their tools.

Both hydronic and electric hydronic heaters usually come with a higher price tag up front, but you can save more on energy costs over time compared to standard heaters. They also provide heat for a short time after the heater is actually turned off, making them more efficient. Additionally, standard convection heaters use electric coils to heat up the air, whereas hydronic heaters warm up water or oil which then heats the air.

Although baseboard heating is expensive to operate, hydronic style heaters usually aren’t as costly as other models because they maintain temperature longer than standard electric baseboard heaters. Since the liquid retains the heat longer, it prevents the thermostat from turning on and off as often, which makes it more energy efficient.

Most propane boilers last 15 to 20 years with regular maintenance and proper care. The lifespan depends on the quality of the unit, proper installation, and the level of maintenance. Investing in annual service can maximize longevity and efficiency. Routine inspections and timely repairs prevent early breakdown, ensuring your boiler heats your home for years to come.

Oil boilers provide reliable heating, efficiency, and long-term cost savings compared to electric options.

The Locust Valley, NY homeowners’ guide to boiler installation services

From average costs to expert advice, get all the answers you need to get your job done.