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Swimming pool heaters installers and replacers in Rockville

Avatar for Lifeline Pool and Spa, LLC
Lifeline Pool and Spa, LLC
23615 Neck Rd
5.00(
2
)
Approved Pro
Lifeline Pool and Spa, LLC
23615 Neck Rd
5.00(
2
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
7 years of experience

We have the experience and we are committed to providing quality workmanship and superior customer service on all our applications. We at Lifeline Pool and Spa LLC strive to maintain our reputation as a high quality, very service oriented company with our main focus being customer satisfaction.

"They are highly dependable and efficient."

anthony p on October 2024

We have the experience and we are committed to providing quality workmanship and superior customer service on all our applications. We at Lifeline Pool and Spa LLC strive to maintain our reputation as a high quality, very service oriented company with our main focus being customer satisfaction.

"They are highly dependable and efficient."

anthony p on October 2024


Avatar for Freedom Fence & Deck LLC
Freedom Fence & Deck LLC
414 A Back River Neck Rd
4.73(
244
)
Approved Pro
Freedom Fence & Deck LLC
414 A Back River Neck Rd
4.73(
244
)
Approved Pro
Customers say: Quality work
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
2430 local quotes requested

Freedom Fence and Deck specializes in affordable top quality maintenance free decks and fences. We are an owner operated company with zero complaints. We also have earned a A+ rating with the Better Business Bureau. We offer a limited Lifetime Warranty on all our work. Angie's List has awarded us the Super Service Award three years in a row.

"They installed my fence in 2019 and it was fantastic!! Now, we had a great sales rep who did a fantastic job for our repair due storm damage. But there's no customer service (3rd party contractor site, hard to navigate), no onsite supervisor walk through at the end, no email, no call. We did get an email 3 hours later, balance paid, how nice. I wouldn't recommend this company now at all."

Diane P on July 2025

Freedom Fence and Deck specializes in affordable top quality maintenance free decks and fences. We are an owner operated company with zero complaints. We also have earned a A+ rating with the Better Business Bureau. We offer a limited Lifetime Warranty on all our work. Angie's List has awarded us the Super Service Award three years in a row.

"They installed my fence in 2019 and it was fantastic!! Now, we had a great sales rep who did a fantastic job for our repair due storm damage. But there's no customer service (3rd party contractor site, hard to navigate), no onsite supervisor walk through at the end, no email, no call. We did get an email 3 hours later, balance paid, how nice. I wouldn't recommend this company now at all."

Diane P on July 2025


Avatar for A & L Construction
A & L Construction
10621 Oliver St
4.36(
102
)
Approved Pro
A & L Construction
10621 Oliver St
4.36(
102
)
Approved Pro
Customers say: Quality work
668 local quotes requested
40 years of experience

A & L Construction was established in April 1985. Our primary focus: positioning this company as the best construction firm for custom design decks, additions, and remodeling. We serve mostly the Virginia, Maryland, and Washington DC areas. Serving both the builders and homeowners, at A & L Construction we have succeeded in our objective and we continue to expand. Years before incorporating A & L Construction, the founders, Keith and Bill met while working for other companies. Gaining first hand knowledge of quality and craftsmanship in Commercial Remodeling and Historic Restoration projects. Additional DBA - A & L Construction. Locally owned. A&L construction will never ask for money up front. We always get work compleated before asking for payment.

"Oregon usa"

Gero M on June 2022

A & L Construction was established in April 1985. Our primary focus: positioning this company as the best construction firm for custom design decks, additions, and remodeling. We serve mostly the Virginia, Maryland, and Washington DC areas. Serving both the builders and homeowners, at A & L Construction we have succeeded in our objective and we continue to expand. Years before incorporating A & L Construction, the founders, Keith and Bill met while working for other companies. Gaining first hand knowledge of quality and craftsmanship in Commercial Remodeling and Historic Restoration projects. Additional DBA - A & L Construction. Locally owned. A&L construction will never ask for money up front. We always get work compleated before asking for payment.

"Oregon usa"

Gero M on June 2022


Avatar for Washingtonian Companies
Washingtonian Companies
8645 Ziggy Lane
5.00(
4
)
Approved Pro
Washingtonian Companies
8645 Ziggy Lane
5.00(
4
)
Approved Pro
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
1609 local quotes requested

Transform your space with Washingtonian Companies, your interior/exterior design-build team. Whether it's roofing, windows, siding, decks, kitchens, bathrooms, or additions, we are your trusted partner to bring your vision to life and help personalize your surroundings.

"We were 100% satisfied with Washingtonian and with their work building our addition and deck. Not only was the workmanship and quality of the construction outstanding, but they operated with honesty and integrity. Their goal was our satisfaction and building a quality addition and deck. They accomplished all three and were reliable, dependable and conscientious. At no time did we believe that they had over-committed or were unable to deliver on what they had promised. They never cut corners to rush to another job nor did I ever feel that they were not spending the necessary time to ensure that the work on our job was thorough and complete. Travis, Kris and their crew were 100% professional, communicative and transparent. We will be using Washingtonian again, without hesitation. Our experience was excellent and they did an awesome job."

Walter J on January 2024

Transform your space with Washingtonian Companies, your interior/exterior design-build team. Whether it's roofing, windows, siding, decks, kitchens, bathrooms, or additions, we are your trusted partner to bring your vision to life and help personalize your surroundings.

"We were 100% satisfied with Washingtonian and with their work building our addition and deck. Not only was the workmanship and quality of the construction outstanding, but they operated with honesty and integrity. Their goal was our satisfaction and building a quality addition and deck. They accomplished all three and were reliable, dependable and conscientious. At no time did we believe that they had over-committed or were unable to deliver on what they had promised. They never cut corners to rush to another job nor did I ever feel that they were not spending the necessary time to ensure that the work on our job was thorough and complete. Travis, Kris and their crew were 100% professional, communicative and transparent. We will be using Washingtonian again, without hesitation. Our experience was excellent and they did an awesome job."

Walter J on January 2024


Remodeling Depot
12 W Church St
New on HomeAdvisorNew on Angi
Approved Pro
Remodeling Depot
12 W Church St
New on AngiNew on HomeAdvisor
Approved Pro
236 local quotes requested
18 years of experience

Remodeling Depot, LLC, proudly serves its customers with pride, integrity and attention to the details that matter most to you. We specialize in a variety of installs and repairs for both residential and light commercial projects. This is one of the many things that sets us apart from the rest. We are locally owned and operated and treat each project as if it were our very own. Give us a call today!

Remodeling Depot, LLC, proudly serves its customers with pride, integrity and attention to the details that matter most to you. We specialize in a variety of installs and repairs for both residential and light commercial projects. This is one of the many things that sets us apart from the rest. We are locally owned and operated and treat each project as if it were our very own. Give us a call today!


Avatar for Deck and Shed Pros
Deck and Shed Pros
3714 Petersville Rd
4.62(
326
)
Approved Pro
Deck and Shed Pros
3714 Petersville Rd
4.62(
326
)
Approved Pro
Customers say: Quality work
905 local quotes requested
41 years of experience

Deck and Shed Pros is a locally owned and operated company dedicated to providing our customers with the finest quality Deck and Shed construction possible. We employ the most skilled craftsmen, take pride in our work, use the finest materials available, and are always striving to improve. We at Deck and Shed Pros understand we are building a structure that will be enjoyed for many years to come and there is no need to compromise with your deck. Our thoughtful and knowledgeable sales team will work with you to customize your dream deck and have many solutions that will help provide safety, storage, economy, and utility for your deck. We are a fully insured company. Visit our website http://deckandshedpros.com

"My new deck is beautiful, I love it. I was amazed and very pleased by Deck & Shed Pro's efficiency. Jim was very thorough from the get go. The consultation, permit, pricing, and the construction of my new deck was all accomplished smoothly. Jim, Jen and the entire team was awesome to work with."

Jackie B on December 2024

Deck and Shed Pros is a locally owned and operated company dedicated to providing our customers with the finest quality Deck and Shed construction possible. We employ the most skilled craftsmen, take pride in our work, use the finest materials available, and are always striving to improve. We at Deck and Shed Pros understand we are building a structure that will be enjoyed for many years to come and there is no need to compromise with your deck. Our thoughtful and knowledgeable sales team will work with you to customize your dream deck and have many solutions that will help provide safety, storage, economy, and utility for your deck. We are a fully insured company. Visit our website http://deckandshedpros.com

"My new deck is beautiful, I love it. I was amazed and very pleased by Deck & Shed Pro's efficiency. Jim was very thorough from the get go. The consultation, permit, pricing, and the construction of my new deck was all accomplished smoothly. Jim, Jen and the entire team was awesome to work with."

Jackie B on December 2024


Four Seasons Builders
5.00(
2
)
Approved Pro
Four Seasons Builders
5.00(
2
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
222 local quotes requested

We have the experience and dedication to bring your dreams to reality! We guarantee your satisfaction, and we won’t leave until the job is done right. Our team has quality experience in this industry, and we make sure our customers are happy before we leave. Call or click to schedule an estimate today!

"Four Seasons did high quality work, finished on time and within budget. Ken followed through with all contractual commitments and his crew was fantastic."

Mohammed A on October 2024

We have the experience and dedication to bring your dreams to reality! We guarantee your satisfaction, and we won’t leave until the job is done right. Our team has quality experience in this industry, and we make sure our customers are happy before we leave. Call or click to schedule an estimate today!

"Four Seasons did high quality work, finished on time and within budget. Ken followed through with all contractual commitments and his crew was fantastic."

Mohammed A on October 2024


Avatar for MC Landscaping LLC, Stone Work & Tree Service
MC Landscaping LLC, Stone Work & Tree Service
2213 Sharidan Road
4.93(
28
)
Approved Pro
MC Landscaping LLC, Stone Work & Tree Service
2213 Sharidan Road
4.93(
28
)
Approved Pro
Customers say: Quick response
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
519 local quotes requested

We specialize in construction of: Deck, Fences, Bathroom, Basement, Floors, stone work and Complete Landscaping We guarantee your satisfaction, and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out all the services we offer below and call -or- click to schedule a free estimate today!

"They did a great job."

Alan C on May 2025

We specialize in construction of: Deck, Fences, Bathroom, Basement, Floors, stone work and Complete Landscaping We guarantee your satisfaction, and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out all the services we offer below and call -or- click to schedule a free estimate today!

"They did a great job."

Alan C on May 2025


Avatar for FA Outdoor Spaces
FA Outdoor Spaces
9979 Main Street
5.00(
17
)
Approved Pro
FA Outdoor Spaces
9979 Main Street
5.00(
17
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
1313 local quotes requested

FA Outdoor Spaces is a large exterior home improvement company servicing Northern Virginia, DC and Maryland. With roots in Design and Build having serviced our clients at our sister company FA Design Build, we bring 45+ years of professionalism to every project we undertake. We have teams dedicated to each region ready to serve you. We specialize in all things Outdoors, like Trex & Timber Tech composite decking for new builds, deck reflooring/rerailing, deck enclosures, three season rooms, sunrooms, patios and fencing — all backed with a lifetime installation warranty you won’t find anywhere else.

"I’m so happy with how easy it was to work my project manager, Veronica. She clearly explained how the project would proceed and followed up to make sure the work proceeded on time and with attention to every detail. Now my porch is exactly what I wanted. It makes me happy just to sit there on my porch swing and enjoy the detail and care brought to every aspect of the project."

Sharon D on June 2025

FA Outdoor Spaces is a large exterior home improvement company servicing Northern Virginia, DC and Maryland. With roots in Design and Build having serviced our clients at our sister company FA Design Build, we bring 45+ years of professionalism to every project we undertake. We have teams dedicated to each region ready to serve you. We specialize in all things Outdoors, like Trex & Timber Tech composite decking for new builds, deck reflooring/rerailing, deck enclosures, three season rooms, sunrooms, patios and fencing — all backed with a lifetime installation warranty you won’t find anywhere else.

"I’m so happy with how easy it was to work my project manager, Veronica. She clearly explained how the project would proceed and followed up to make sure the work proceeded on time and with attention to every detail. Now my porch is exactly what I wanted. It makes me happy just to sit there on my porch swing and enjoy the detail and care brought to every aspect of the project."

Sharon D on June 2025


Avatar for American Deck & Patio
American Deck & Patio
10319 Westlake Dr
4.60(
212
)
Approved Pro
American Deck & Patio
10319 Westlake Dr
4.60(
212
)
Approved Pro
Customers say: Quality work
555 local quotes requested
36 years of experience

We design and build custom outdoor living spaces in natural wood, low maintenance materials, natural stone, and concrete pavers. We're fully licensed and insured. We have been in business since 1989 and have thousands of satisfied customers throughout the DC Metro Area. We are A+ Rated with the BBB and have won Angie's List Super Service Award for 6 years in a row. We do not offer staining, sealing, and cleaning services.

"I'm absolutely thrilled with the work Sean and his crew did on our screened porch. I'm fairly particular and wanted to be involved in the project, probably more than most clients, and Sean worked with me throughout to get the porch I wanted. He was communicative and explained pros/cons of all the various options. Partway through the project, we realized our pre-existing front porch needed some repairs too, and Sean seamlessly added that to the project and was very reasonable on the price. Once the team started, the work went quickly but was clearly done very carefully. The attention to detail was fantastic, and the end result is a beautiful and functional porch that we're thrilled with. In the first week after the porch was completed, at least 6-8 different sets of neighbors stopped us to say it looked great. I would absolutely use American Deck again for a similar project and have recommended them to friends."

Andrew C on April 2025

We design and build custom outdoor living spaces in natural wood, low maintenance materials, natural stone, and concrete pavers. We're fully licensed and insured. We have been in business since 1989 and have thousands of satisfied customers throughout the DC Metro Area. We are A+ Rated with the BBB and have won Angie's List Super Service Award for 6 years in a row. We do not offer staining, sealing, and cleaning services.

"I'm absolutely thrilled with the work Sean and his crew did on our screened porch. I'm fairly particular and wanted to be involved in the project, probably more than most clients, and Sean worked with me throughout to get the porch I wanted. He was communicative and explained pros/cons of all the various options. Partway through the project, we realized our pre-existing front porch needed some repairs too, and Sean seamlessly added that to the project and was very reasonable on the price. Once the team started, the work went quickly but was clearly done very carefully. The attention to detail was fantastic, and the end result is a beautiful and functional porch that we're thrilled with. In the first week after the porch was completed, at least 6-8 different sets of neighbors stopped us to say it looked great. I would absolutely use American Deck again for a similar project and have recommended them to friends."

Andrew C on April 2025

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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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