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Find Swimming pool heaters installers and replacers in Vashon

Avatar for ASA Pools & Spas LLC
ASA Pools & Spas LLC
5.00(
5
)

Angi Approved

In business since 2025

Free estimates

Emergency services offered

ASA Pools & Spas – Expert Pool & Hot Tub Care\n\nAt ASA Pools & Spas, we keep your pool and hot tub sparkling clean and perfectly balancedwithout draining your wallet. Our services include:\n1) Pool and hot tub cleaning\n2)Water testing and balancing\n3) Pool equipment repairs (pumps, filters, heaters – pools only)\n4) Routine maintenance for pools and hot tubs\n5) Emergency service for pools\n\nPlease note: We do not provide hot tub repairs only cleaning and maintenance.\n\nWe guarantee the lowest price in the Seattle area. If you find a better quote, we’ll beat it!\n\nServing Seattle and surrounding communities, we’re committed to affordable, reliable service you can trust.\n\n📞 Call us today for the best price and fastest response in town!\n\n

5 neighbors recently requested a quote
FIVESTARS PAINTING
5.00(
3
)

In business since 2003

Free estimates

Warranties offered

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

Recommended by100%of homeowners
Avatar for Seattle Patio Covers INC
Seattle Patio Covers INC
5.00(
10
)

In business since 2004

Free estimates

Emergency services offered

"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!"
Recommended by100%of homeowners
Avatar for Shirey Home Pro
Shirey Home Pro
4.50(
227
)

In business since 2003

"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."
Recommended by84%of homeowners
Economy Fence Ctr
4.29(
7
)

Economy Fence has served the Greater Seattle, Bellevue and Everett areas with the highest quality in fence and gate options for years. If you are looking for a professionally installed fence to beautify and add value to your home, you've come to the right place!

Recommended by71%of homeowners
Bothwell Builders Inc
5.00(
1
)

In business since 2001

Free estimates

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

Recommended by100%of homeowners
Avatar for Falcon Peak Construction, INC
Falcon Peak Construction, INC
New to Angi

In business since 2006

Free estimates

Emergency services offered

Professional general contractor in Auburn and near by cities

DUNN LUMBER CO
5.00(
3
)

In business since 1907

Free estimates

Warranties offered

Recommended by100%of homeowners
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FAQs for swimming pool heaters installation and replacement projects in Vashon, 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 Vashon, 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.

  • 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.