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Find Swimming pool heaters installers and replacers in Oceanside

Avatar for Lawrence Pool Service, Inc
Lawrence Pool Service, Inc
5.0(
14
)
Swimming Pool Heaters - Install or Replace

Serving Oceanside, CA and surrounding areas

Approved

In business since 2021

Free estimates

Credit card accepted

"Jared at Lawrence pool has been cleaning my pool for many years and I couldn’t ask for anything better. I constantly get comments about how it doesn’t smell like chemicals at all and just feels like you’re swimming in very clean water. He also is proactive to find issues with my pumps and other equipment and fix them to make sure everything is in great working condition. He communicates great and makes everything so easy."
Pool Time
Pool Time
Beautiful Pool
Reliable service
Be apart of our family

+1

2 neighbors recently requested a quote
Avatar for Green Land Co.
Green Land Co.
4.9(
11
)
Swimming Pool Heaters - Install or Replace

Serving Oceanside, CA and surrounding areas

Approved

In business since 2016

Free estimates

Credit card accepted

"Jay?Greenland has done multiple projects on our properties over 15+ years and has consistently exceeded our expectations. Greenland has installed pools, spools, water- features, hot tubs, pavers, retaining walls, canary palms, flower beds and pots, irrigation and drainage systems, etc. effectively many varying combinations of hardscape and softscape in landscape jargon. We highly recommend this business!"
Response time1 day
Response rate96%
26 neighbors recently requested a quote
Avatar for Stonesteps Pool and Spa Maintenance
Stonesteps Pool and Spa Maintenance
5.0(
2
)
Swimming Pool Heaters - Install or Replace

Serving Oceanside, CA and surrounding areas

Approved

In business since 2013

Emergency services offered

Warranties offered

Mon-Fri 7a-5pm\nWe 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! Book with us online or feel free to give us a call today!

Response time3 hrs
Recommended by100%of homeowners
Avatar for Cabana Pool Services
Cabana Pool Services
5.0(
6
)
Swimming Pool Heaters - Install or Replace

Serving Oceanside, CA and surrounding areas

Approved (Corporate)

In business since 2024

Free estimates

Warranties offered

Cabana is California’s trusted pool care expert, offering exceptional service for both residential and commercial pools. Our CPO-certified technicians provide everything from weekly cleaning and maintenance to equipment upgrades and installations. Fully licensed, bonded, and insured with a multi-million dollar policy, we’re committed to delivering crystal-clear water and unbeatable customer care. Why choose Cabana? Our expert technicians are masters of their craft, providing top-tier care for your pool. We go above and beyond with customer support, ensuring a smooth, hassle-free experience. From routine maintenance to custom solutions, we transform your pool into perfect shape. Contact us today for your free and quick quote!

Before: algae bloom
After: crystal clear
Crystal clear
Cabana service truck
Weekly service visit

+1

16 neighbors recently requested a quote
Avatar for H2O So Clean Pool & Spa Services
H2O So Clean Pool & Spa Services
4.9(
25
)
Swimming Pool Heaters - Install or Replace

Serving Oceanside, CA and surrounding areas

In business since 2018

Free estimates

Warranties offered

"Daniel was very professional and personably . He is very knowledgeable about pool equipment and repairs and quickly assessed the problems with our 25 year old system . He discussed various options and made thoughtful intelligent recommendations. Because we had a leak he prioritized that repair which was a replacement of the pool heater and came the very next day . The job was neat and seamless . His rates are reasonable too ! I highly recommend this company without reservation ."
Response time4 hrs
Response rate90%
Recommended by95%of homeowners
Avatar for Venture Pool Service
Venture Pool Service
4.4(
13
)
Swimming Pool Heaters - Install or Replace

Serving Oceanside, CA and surrounding areas

In business since 2000

Emergency services offered

Credit card accepted

"The contact person for Venture Pool Service is Mike. He contacted me by phone to set up a day and time that he could come over. I was able to set an appt on the day I wanted. He was on time, clean and friendly. Mike explained to me that all spas are different from each other and to service a particular brand can be difficult . He tested and brought my chemicals back to where they needed to be. Mike's expertise is in pools and I appreciated his honesty about working on spas. He did give me some ideas on how to find the right person to work on my Hot Springs Spa. If you need a guy who's honest, cares about his customers and likes what he is doing, call Mike.
"
New Equipment Install (before)
New Equipment Install (after)
Green Pool Clean Up (before)
Green Pool Clean Up (after)
Recommended by100%of homeowners
Showing 1-10 of 30
FAQs for swimming pool heaters installation and replacement projects in Oceanside, CA

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 Oceanside, CA 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.