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Find Swimming pool heaters installers and replacers in Rockville

Avatar for System Pools, LLC
System Pools, LLC
4.94(
18
)

Angi Approved

Super Service Award Winner

In business since 2019

Free estimates

Warranties offered

"The team was great! They did everything quickly and professionally. Nick is an amazing guy! I'll recommend his team to everyone. They are great! Awesome job! Five stars! "
11 neighbors recently requested a quote
Recommended by77%of homeowners
Avatar for Watermark Swimming Pool Services Inc
Watermark Swimming Pool Services Inc
4.89(
66
)

Angi Approved

In business since 1996

Free estimates

Warranties offered

"Our pool is 35+ years old. Watermark Pool Services updated our pool with new tile, new coping and new plaster about 10 years ago. This year, we needed a few repairs, plus my husband always wanted sky blue plaster. This company's work crews are knowledgeable, efficient and courteous. I wouldn't want any other company but Watermark doing the work on my pool! We absolutely love our "new" pool and the blue plaster looks amazing!"
2 neighbors recently requested a quote
Recommended by96%of homeowners
Long Fence
3.88(
226
)

In business since 1945

Free estimates

Emergency services offered

"Initial rep was great and informative. Felt comfortable with initial sale. Hardly had any contact from customer service except for the payments. There were several delays that we were not informed about unless we called to ask. Took 7 months before they showed up to begin project. Only 1 person was sent to build steps. Took a week. Hard worked, hardly took a break. Had to call again to see when they would come to pour patio. Never knew when they were coming, they just showed up. Hardly spoke with the homeowners. Inspection paperwork was just left on porch. Additional paperwork that is "required by the County" had to be completed by homeowner and taken to Court house to be notarized and filed and also provide a copy back to Long Fence. Time sensitive materials which added to homeowners to-do list. Gave this contract to LF on the surface of their history and appearance of a 'good local company' but should have stayed with original contactors in VA. Puddle of water forms when it rains"
Recommended by70%of homeowners
Clear Expectations
5.00(
22
)

In business since 2007

Free estimates

Emergency services offered

3 Employees. No Subs. Cost is determined by the job. No travel charges. No additional service charges. No extra charges for after hours service.

Recommended by100%of homeowners
P. L. Johnson Construction, Inc.
New to Angi

In business since 1997

Free estimates

Emergency services offered

We're a small company of 5 employees, by contracting us I always assure my customers that they would see me (Phillip L. Johnson-President)or a direct employee, day in and day out, doing your work, not a parade of subcontractors you didn't know. My company, as a small, tightly run organization, will avoid these typical contractor problems and give you a peace of mind.

Makeover Construction LLC.
New to Angi

In business since 2008

Free estimates

Warranties offered

We are a one stop shop for all services, both residential & commercial. With over a decade of experience, we specialize in full renovations, roofing, framing, painting, flooring, drywall, siding, gutters, and maintenance & repair, etc. Licensed & Insured.

Avatar for American Custom Contractors Inc
American Custom Contractors Inc
4.85(
89
)

In business since 1972

Free estimates

"We had a wonderful experience working with Fon Nanudon at American Custom Contractors in Rockville, MD. Fon is friendly, knowledgeable, responsive, and professional. His follow-up and follow-through are outstanding — he truly goes above and beyond to take care of his customers. If you have roofing, windows, gutter, or siding needs, I highly recommend reaching out to American Custom Contractors. You’ll be in great hands!"
Recommended by94%of homeowners
Avatar for Daniel Krienbuehl Contractors Inc
Daniel Krienbuehl Contractors Inc
5.00(
36
)

In business since 2001

Free estimates

Daniel started his construction career in 1983 as an apprentice in Switzerland, Europe. There he learned from experienced old school carpenters how to timber frame and build log houses. Cutting mortise and tenons for structural posts is still something that's done today. Since the late 80's, Daniel has learned all about the ever-changing U.S. construction industry. Daniel started his own remodeling company in 2001 and has since designed and built many additions and remodels in and around Montgomery County, MD. \n\nDue to years of experience, Daniel is able to make design changes that make construction easier and cheaper. He has proved himself to be a great communicator so that all parties involved in a remodeling project work as one. His ability to plan, schedule, and execute projects have made jobs less stressful and more rewarding for his clients. Things most frequently mentioned in client reviews are that Daniel and DK are staying within budget, getting the job done on time, are responsive and available, have clean and organized job sites, and are experienced.\nMHIC LICENSE #81268.

Recommended by100%of homeowners
Robert & Sons Co, Inc.
5.00(
1
)

In business since 1984

Free estimates

We are a family owned business; we have been serving Virginia, Maryland and DC since 1984. The owner Robert Flores has over 35 years experience in home improvement.\nWe have prided ourselves on offering creative solutions to a variety of home improvement and home repairs projects as well as top- notch craftsmanship by carpenters and painters.\nOur staff offers quality and reliable services you can count on. In addition, our friendly and professional staff is here to answer any questions you may have about our company or our services.

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

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 Rockville, MD 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.

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