Top-rated swimming pool heaters installers and replacers.

Get matched with top swimming pool heaters installers and replacers in Central Islip, NY

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Share some details icon
Share some details about your home project.
Match with local pros icon
Within moments, match with highly-rated local pros.
Compare quotes icon
Compare quotes and choose the best pro for the job.

Find Swimming pool heaters installers and replacers in Central Islip

Avatar for Sweeney's Pool Service, Inc
Sweeney's Pool Service, Inc
4.6(
276
)

Serving Central Islip, NY and surrounding areas

Approved

In business since 2011

Free estimates

Emergency services offered

"This review is authentic. As a new swimming pool owner since May of 2020, Sweeney's Pool company has provided excellent service from adjusting depth of pool, new liner installation, pool opening, cleaning, closing and winter watch service at reasonable price. Sweenye's Pool company is honest, reliable and customer friendly. Below picture shows the professional and beautiful work they have done for my swimming pool. They have totally transformed the old swimming pool to a 5-star swimming pool every age can enjoy."
Luxury Pool Build
Backyard Oasis
Safety Cover Installations
Grotto Escape: Pool and Spa Oasis
Gunite Pool Builds

+94

Response time4 days
1 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Advantage L I, Inc.
Advantage L I, Inc.
4.7(
182
)

Serving Central Islip, NY and surrounding areas

Approved

In business since 2016

Emergency services offered

Warranties offered

"Clint was very professional and easy to deal with. This is the 2nd time I needed to replace my pool liner and he made it a comfortable experience. His installers were very nice and professional"
changing liners
changing liners
liner
liner
pools liner

+39

Response time1 day
18 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for AAA POOLS SERVICES CORP
AAA POOLS SERVICES CORP
5.0(
14
)

Serving Central Islip, NY and surrounding areas

Approved

In business since 2020

Free estimates

Warranties offered

"I went through 3 terrible pool companies before finding AAA - they are the real deal and worked diligently and consistently to get my pool clear and ready to use!"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+59

Response time1 day
3 neighbors recently requested a quote
Recommended by78%of homeowners
Avatar for Bradley Backyards, Inc
Bradley Backyards, Inc
4.1(
25
)

Serving Central Islip, NY and surrounding areas

Approved

In business since 2010

Free estimates

Emergency services offered

"Bradley Backyard did a magnificent job installing my Inground pool cover. Very professional and neat. Will definitely be referring them to friends and family."
Response time6 days
6 neighbors recently requested a quote
Recommended by86%of homeowners
Avatar for Water Works Group
Water Works Group
5.0(
8
)

Serving Central Islip, NY and surrounding areas

In business since 1960

Free estimates

Emergency services offered

"It was very good, they came on time, explained what was wrong. They replaced the sprinkler heads and I think they adjusted one. They worked wonderfully so I have no problem with it."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+16

Recommended by100%of homeowners
Avatar for Suffolk Dependable Pool Care
Suffolk Dependable Pool Care
4.5(
46
)

Serving Central Islip, NY and surrounding areas

In business since 2009

Credit card accepted

"The pool is open and leak free thanks to Ron and his team.  A true professional, I would highly reccomend using Suffolk Dependable Pool Care for all aspects of your pool needs.  Thanks Ron.
"
Recommended by92%of homeowners
...
Showing 1-10 of 73
FAQs for swimming pool heaters installation and replacement projects in Central Islip, NY

Yes, you can add a heater to an existing pool. A pro can retrofit a heater to nearly any in-ground or above-ground pool. Adding a heater allows you to start the swim season earlier, finish it later, and maintain a steady water temperature in between. Many owners schedule the job during a larger pool upgrade, but it also works as a standalone project. Professional installation ties the new unit into the existing pump and plumbing for safe, efficient operation.

Most owners switch the heater on a day or two before they plan to swim, then shut it down afterward. Reaching the target temperature can take 24 to 72 hours, depending on pool size and outdoor conditions. Using a cover while the heater is off helps hold the heat and keeps energy costs in check.

Pool heaters can freeze if left exposed to extreme conditions. Freezing can damage internal heater components, potentially leading to costly pool repairs. Cycling water, covering the heater, and regular maintenance help prevent freezing. Sealing or winterizing your heater also protects it during the season—this involves draining water from the heater and its components.

Pool heaters operate with lifespans spanning from seven to 30 years. Gas and propane models last seven to 12 years, while electric and solar heaters perform efficiently for up to 30 years. Consistent professional maintenance and routine inspections extend the heater’s life and improve its performance, ensuring a safe and reliable heating system for your pool.

Before hiring a pool heater installation contractor, conduct thorough research by reviewing online feedback and gathering recommendations from trusted sources. Contact multiple professionals to discuss pricing, request references, and understand the complete installation process. This careful evaluation ensures you select a qualified contractor who delivers high-quality service and a successful installation.

The Central Islip, NY homeowners’ guide to swimming pool heaters installations and replacements

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

  • A lap pool built in backyard of house

    Curious about lap pool costs? Learn the average price to install a lap pool, key cost factors, and tips to get the most value from your swim-friendly upgrade.

  • Backyard pool with lighting design

    Not sure who to call to fix a pool light? Learn why a pool repair service is best, what electricians can do, and what replacement costs.