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Find Swimming pool heaters installers and replacers in Issaquah

Flomaster Spa & Pool Inc

4.79(
74
)
Approved Pro

Flomaster Spa & Pool Inc

4.79(
74
)
Approved Pro
Customers say: True professional
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
34 years of experience

Flomaster Spa & Pool Inc is a family-owned and -operated business serving Washington with pride. Some companies focus on how many jobs they complete, while we focus on the quality of the project. We are not a pool or spa cleaning company. We also do not resurface pools. However, please do not hesitate to call us about repairs or installations. We prefer to speak with all of our potential clients over the phone to better understand their needs. We look forward to speaking with you soon. Thank you for your time.

"They recalled servicing my hot tub from years before, and explained the risks of repair vs replace. Did a great job repairing the unit."

Rex B on October 2023

Flomaster Spa & Pool Inc is a family-owned and -operated business serving Washington with pride. Some companies focus on how many jobs they complete, while we focus on the quality of the project. We are not a pool or spa cleaning company. We also do not resurface pools. However, please do not hesitate to call us about repairs or installations. We prefer to speak with all of our potential clients over the phone to better understand their needs. We look forward to speaking with you soon. Thank you for your time.

"They recalled servicing my hot tub from years before, and explained the risks of repair vs replace. Did a great job repairing the unit."

Rex B on October 2023


Castle Pools and Spa, LLC

4.30(
10
)
Approved Pro

Castle Pools and Spa, LLC

4.30(
10
)
Approved Pro
Customers say: Quality work
10 local quotes requested
4 years of experience

With 15 years of experience at Castle Pools and Spa we pride our company on reliability, great communication, integrity, and quality work. From pool remodels and accessory installation to cleaning and maintenance programs and opening/closing service 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! English and Spanish Available Senior Citizen, Military Veteran, First Responders and Teachers Discounts Available - Inquire Within Deposits May Be Required - Inquire Within Accepts Cash, Check, Major Credit Cards, GooglePay and ApplPay

"No other comments"

Zemical N on April 2025

With 15 years of experience at Castle Pools and Spa we pride our company on reliability, great communication, integrity, and quality work. From pool remodels and accessory installation to cleaning and maintenance programs and opening/closing service 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! English and Spanish Available Senior Citizen, Military Veteran, First Responders and Teachers Discounts Available - Inquire Within Deposits May Be Required - Inquire Within Accepts Cash, Check, Major Credit Cards, GooglePay and ApplPay

"No other comments"

Zemical N on April 2025


Avatar for Amcon, Inc.

Amcon, Inc.

5.00(
8
)
Approved Pro

Amcon, Inc.

5.00(
8
)
Approved Pro
Customers say: Quick response
28 local quotes requested
4 years of experience

As the owners of Amcon Pool and Spa, we’re proud to offer quality service and maintenance for in-ground pools and spas across Western Washington. Our team is dedicated to keeping your backyard oasis running smoothly all year long, with a personal approach and attention to detail you can count on. Whether it’s routine maintenance, equipment repair, or seasonal care, we’re here to make sure your pool or spa stays in top shape so you can enjoy it without the hassle. Contact us today to schedule a service appointment or maintenance plan tailored to your needs.

"job is on going"

Linda H on April 2025

As the owners of Amcon Pool and Spa, we’re proud to offer quality service and maintenance for in-ground pools and spas across Western Washington. Our team is dedicated to keeping your backyard oasis running smoothly all year long, with a personal approach and attention to detail you can count on. Whether it’s routine maintenance, equipment repair, or seasonal care, we’re here to make sure your pool or spa stays in top shape so you can enjoy it without the hassle. Contact us today to schedule a service appointment or maintenance plan tailored to your needs.

"job is on going"

Linda H on April 2025


FIVESTARS PAINTING

5.00(
3
)

FIVESTARS PAINTING

5.00(
3
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

FiveStars Painting provides residential and commercial painting services to customers in King County and all cities around Seattle.

FiveStars Painting provides residential and commercial painting services to customers in King County and all cities around Seattle.


Avatar for Shirey Home Pro

Shirey Home Pro

4.50(
227
)

Shirey Home Pro

4.50(
227
)
Customers say: Super punctual
22 years of experience

We are a full-service remodeling & home repair contractor that serves King County. Our home repair service starts with a 2-hour minimum for a highly skilled craftsmen at $225. Additional time is invoiced at an hourly rate, plus the cost of materials needed. Shirey Home Pro also offers design-build remodels that handle all aspects of your project, from conception through completion. Our goal is to build the kitchen or bath of your dreams. We are here to be your personal contractor for whatever your home needs - no matter how big or small your project is.

"Marvelous, even when we had to return a sink due to a malfunctioning part and begin again with a different sink. We provided the tile, adhesive and grout."

dana e on July 2022

We are a full-service remodeling & home repair contractor that serves King County. Our home repair service starts with a 2-hour minimum for a highly skilled craftsmen at $225. Additional time is invoiced at an hourly rate, plus the cost of materials needed. Shirey Home Pro also offers design-build remodels that handle all aspects of your project, from conception through completion. Our goal is to build the kitchen or bath of your dreams. We are here to be your personal contractor for whatever your home needs - no matter how big or small your project is.

"Marvelous, even when we had to return a sink due to a malfunctioning part and begin again with a different sink. We provided the tile, adhesive and grout."

dana e on July 2022


Seattle Patio Covers INC

5.00(
10
)

Seattle Patio Covers INC

5.00(
10
)
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Seattle Patio Covers, has provided Sunrooms, Solariums, Conservatories, Pool Enclosures, Spa Enclosures, and Patio Covers and Glass Systems to the Greater Seattle area, and Pacific Northwest since 2004.

"I was surprised it only took about 4hours total, even with the last minute change we requested. My biggest concern was not to lose indoor light. Everything turned out beautifully!"

Patt K on September 2020

Seattle Patio Covers, has provided Sunrooms, Solariums, Conservatories, Pool Enclosures, Spa Enclosures, and Patio Covers and Glass Systems to the Greater Seattle area, and Pacific Northwest since 2004.

"I was surprised it only took about 4hours total, even with the last minute change we requested. My biggest concern was not to lose indoor light. Everything turned out beautifully!"

Patt K on September 2020


C.S. Remodeling Inc

No reviews yet

C.S. Remodeling Inc

No reviews yet
24 years of experience

C.S. Remodeling inc. is a quality customer service oriented, remodeling and restoration company. We specialize in fine residential Craftsmanship at a reasonable cost. Working in a occupied home can be a Challange, but it is what we do. always mindful of our surroundings, we take care to make as little impact as possable on your living space while the project is being completed Thanks Craig

C.S. Remodeling inc. is a quality customer service oriented, remodeling and restoration company. We specialize in fine residential Craftsmanship at a reasonable cost. Working in a occupied home can be a Challange, but it is what we do. always mindful of our surroundings, we take care to make as little impact as possable on your living space while the project is being completed Thanks Craig


Bothwell Builders Inc

5.00(
1
)

Bothwell Builders Inc

5.00(
1
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

2 employees. No subs. Cost is determined by the job. No travel charges. No service charges. May contact through email.

2 employees. No subs. Cost is determined by the job. No travel charges. No service charges. May contact through email.


Eastside Property Solutions

5.00(
2
)

Eastside Property Solutions

5.00(
2
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Eps is a small general contractor who specializes in remodels, property maintenance and service. Licensed insured and bonded.

"looks great!"

Terry C on March 2020

Eps is a small general contractor who specializes in remodels, property maintenance and service. Licensed insured and bonded.

"looks great!"

Terry C on March 2020


Better Builders Electric, LLC

5.00(
6
)

Better Builders Electric, LLC

5.00(
6
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Electrical licensed residential contractor, home panel, meter, lighting, design, troubleshooting, service calls, home rewire at great prices. Available on weekends by appointment

Electrical licensed residential contractor, home panel, meter, lighting, design, troubleshooting, service calls, home rewire at great prices. Available on weekends by appointment

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FAQs for swimming pool heaters installation and replacement projects in Issaquah, WA

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 Issaquah, WA 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.