At HotCo The Hot Water Heater Company, we pride our company on reliability, great communication, integrity and quality work. We strongly believe in giving our absolute best in all the work we perform. We are experts and will always keep you educated about the work process. We look forward to earning your business.
"Called promptly and on a Sunday. Came out to install the next day and was a completely seamless experience. I would highly recommend to anyone searching for a pro to install a tankless water heater."
Shawn W on June 2025
At HotCo The Hot Water Heater Company, we pride our company on reliability, great communication, integrity and quality work. We strongly believe in giving our absolute best in all the work we perform. We are experts and will always keep you educated about the work process. We look forward to earning your business.
"Called promptly and on a Sunday. Came out to install the next day and was a completely seamless experience. I would highly recommend to anyone searching for a pro to install a tankless water heater."
Shawn W on June 2025
We take great pride in our experience, expertise, quality and customer service that we provide to meet the consumers needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.
"The guy was professional and courteous, and he offered financial solutions to my plumbing issue."
Pamela NMN Martim M on September 2023
We take great pride in our experience, expertise, quality and customer service that we provide to meet the consumers needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.
"The guy was professional and courteous, and he offered financial solutions to my plumbing issue."
Pamela NMN Martim M on September 2023
We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumerÂ’s needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.
"Comorey was fantastic. Even came back after issue with first disposal not working. Friendly and polite and prompt"
Thomas V on May 2025
We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumerÂ’s needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.
"Comorey was fantastic. Even came back after issue with first disposal not working. Friendly and polite and prompt"
Thomas V on May 2025
The Neighborly Done Right Promise™ delivered by Mr. Rooter® When it comes to finding a plumber for your home or business, you want to know that they stand behind their work and get the job done right—the first time. At Mr. Rooter Plumbing, we have the skills to make sure we fix the issue correctly and effectively. We strive to provide you with choices to resolve your plumbing issue and perform professional workmanship on the option you choose. By calling on our team of skilled service professionals and qualified plumbers, you can be sure it will be Done Right. If your service was not done right, we promise to make it right.
The Neighborly Done Right Promise™ delivered by Mr. Rooter® When it comes to finding a plumber for your home or business, you want to know that they stand behind their work and get the job done right—the first time. At Mr. Rooter Plumbing, we have the skills to make sure we fix the issue correctly and effectively. We strive to provide you with choices to resolve your plumbing issue and perform professional workmanship on the option you choose. By calling on our team of skilled service professionals and qualified plumbers, you can be sure it will be Done Right. If your service was not done right, we promise to make it right.
We invite you to experience a tradition of customer satisfaction that will exceed your greatest expectations. Our professionalism and quality workmanship will accurately reflect your taste and lifestyle. From conception to completion, we work with you until the job is done. We are ethical, honest, and easy to communicate with. Call us today you'll be pleased you did. Thank you
We invite you to experience a tradition of customer satisfaction that will exceed your greatest expectations. Our professionalism and quality workmanship will accurately reflect your taste and lifestyle. From conception to completion, we work with you until the job is done. We are ethical, honest, and easy to communicate with. Call us today you'll be pleased you did. Thank you
1-800-Plumber + Air of Triad is focused on being the BEST! It's not about being better than everyone else, instead our focus is on providing you with the fast, dependable plumbing and emergency services when you need it most. Our goal is to give you the BEST experience you have ever received from a service based business.
"Great crew!!! Great job!!!"
John C on April 2025
1-800-Plumber + Air of Triad is focused on being the BEST! It's not about being better than everyone else, instead our focus is on providing you with the fast, dependable plumbing and emergency services when you need it most. Our goal is to give you the BEST experience you have ever received from a service based business.
"Great crew!!! Great job!!!"
John C on April 2025
At Superior Plumbing and Drains, LLC, we prioritize quality over quantity, ensuring every plumbing project is completed with expertise and precision. With years of experience, our skilled team is dedicated to delivering exceptional service, backed by honesty and a commitment to customer satisfaction. We proudly serve Monroe, NC, Gastonia, NC, and surrounding areas, including Union County, the Charlotte metro, Gaston and Cleveland counties, and parts of upper York County, SC. Our services include: - Plumbing Installation & Repair - 24/7 Emergency Services - Drain Services & Jetting - Tankless Water Heaters - Water Filtration Systems - Leak Detection & Repairs - Water Heater Services For a consultation or estimate, call us today: 📍 Monroe/Charlotte area: (704) 289-6858 📍 Gaston area: (704) 813-2888 We look forward to serving you!
"Friendly, helpful, and knowledgeable folks."
Andy J on March 2025
At Superior Plumbing and Drains, LLC, we prioritize quality over quantity, ensuring every plumbing project is completed with expertise and precision. With years of experience, our skilled team is dedicated to delivering exceptional service, backed by honesty and a commitment to customer satisfaction. We proudly serve Monroe, NC, Gastonia, NC, and surrounding areas, including Union County, the Charlotte metro, Gaston and Cleveland counties, and parts of upper York County, SC. Our services include: - Plumbing Installation & Repair - 24/7 Emergency Services - Drain Services & Jetting - Tankless Water Heaters - Water Filtration Systems - Leak Detection & Repairs - Water Heater Services For a consultation or estimate, call us today: 📍 Monroe/Charlotte area: (704) 289-6858 📍 Gaston area: (704) 813-2888 We look forward to serving you!
"Friendly, helpful, and knowledgeable folks."
Andy J on March 2025
Plumbing Experts is committed to excellence. Read why clients prefer us: 1 - Our tank type water heaters - Made in USA 2 - Our tankless water heaters - Made in USA 3 - We guarantee we have the lowest price, in writing 4 - We guarantee we have the longest warranty too 5 - We answer texts 7 days a week 6 - We do off-site quotes, guaranteed, 7 days a week 7 - We do emergency installations, at no extra charge 8 - Our lifetime parts/labor warranty on all gas piping Our water heating solutions offer $$ savings, space savings, instant hot water & never-ending hot water. We specialize in custom water heating solutions & sizing for the commercial space as well.
"Expert installation and very knowledgeable"
Daniel M on September 2024
Plumbing Experts is committed to excellence. Read why clients prefer us: 1 - Our tank type water heaters - Made in USA 2 - Our tankless water heaters - Made in USA 3 - We guarantee we have the lowest price, in writing 4 - We guarantee we have the longest warranty too 5 - We answer texts 7 days a week 6 - We do off-site quotes, guaranteed, 7 days a week 7 - We do emergency installations, at no extra charge 8 - Our lifetime parts/labor warranty on all gas piping Our water heating solutions offer $$ savings, space savings, instant hot water & never-ending hot water. We specialize in custom water heating solutions & sizing for the commercial space as well.
"Expert installation and very knowledgeable"
Daniel M on September 2024
100% Plumbing is the #1 trusted plumbing company in North Carolina. We deliver top-notch services to North Carolina metropolitan residents. Our expert plumbers offer Free onsite estimates low cost solutions, timely services, and a 100% satisfaction guarantee. With transparent pricing and a courteous staff, we guarantee your plumbing needs are met with excellence. Contact us today for reliable plumbing expertise. We service: Charlotte, SouthPark, Myers Park, Ballantyne, Waxhaw, Weddington, Marvin, Providence Plantation, Dilworth, Cornelius, Davidson, Mooresville, Fort Mill, Tega Cay
100% Plumbing is the #1 trusted plumbing company in North Carolina. We deliver top-notch services to North Carolina metropolitan residents. Our expert plumbers offer Free onsite estimates low cost solutions, timely services, and a 100% satisfaction guarantee. With transparent pricing and a courteous staff, we guarantee your plumbing needs are met with excellence. Contact us today for reliable plumbing expertise. We service: Charlotte, SouthPark, Myers Park, Ballantyne, Waxhaw, Weddington, Marvin, Providence Plantation, Dilworth, Cornelius, Davidson, Mooresville, Fort Mill, Tega Cay
Thank you for looking at my profile. I do not do tankless. I am a expert in replacing water heaters. I have over 40 years of plumbing experience. Please Google Medlins plumbing out of Iron station NC. Look under HomeAdvisor and you will see a extended reviews of my business. I'm the lowest price in (Charlotte, Huntersville, Cornelius Gastonia) on water heater replacement. Thank you 704-678-7703 . To see my reviews on HomeAdvisor please copy and paste HomeAdvisor down below. https://www.homeadvisor.com/rated.medlinsplumbing.6061150.html
"David Medlin, of Medlin's Plumbing, did an extraordinary job in replacing my water heater. He is honest, fair, and thorough. I cannot recommend him highly enough! He is excellent and a true professional!"
Bert T on April 2025
Thank you for looking at my profile. I do not do tankless. I am a expert in replacing water heaters. I have over 40 years of plumbing experience. Please Google Medlins plumbing out of Iron station NC. Look under HomeAdvisor and you will see a extended reviews of my business. I'm the lowest price in (Charlotte, Huntersville, Cornelius Gastonia) on water heater replacement. Thank you 704-678-7703 . To see my reviews on HomeAdvisor please copy and paste HomeAdvisor down below. https://www.homeadvisor.com/rated.medlinsplumbing.6061150.html
"David Medlin, of Medlin's Plumbing, did an extraordinary job in replacing my water heater. He is honest, fair, and thorough. I cannot recommend him highly enough! He is excellent and a true professional!"
Bert T on April 2025
You'll need an expansion tank if your home has a closed water system, which is standard in newer homes or those with backflow preventers or pressure regulators. Expanding hot water has nowhere to go in closed systems, creating potentially damaging pressure. The expansion tank provides space for this expanded water, protecting your plumbing system and water heater from premature failure. Many local building codes now require expansion tanks, and some water heater warranties may be voided without one.
For a standard 50-gallon water heater, a two-gallon expansion tank is sufficient. This sizing assumes normal household water pressure between 40 and 60 psi. If your home has higher water pressure (60 to 80 psi), consider upgrading to a slightly larger tank for added protection. The expansion tank's purpose is to accommodate the increased volume that occurs when cold water heats up, which is proportional to your water heater's capacity.
Watch for signs like dripping water around the tank, fluctuating water pressure throughout your home, or unusual noises in your plumbing system. A properly functioning expansion tank should feel light when tapped on the bottom—if it feels heavy or waterlogged, the internal bladder has likely failed. Other indicators include frequent triggering of your temperature and pressure relief valve, visible corrosion on the tank, or unexplained increases in your water bill, suggesting hidden leaks.
Most expansion tanks have a service life of five to 10 years, though some may last up to 12 years or more with proper maintenance. Factors affecting lifespan include water quality, system pressure, installation quality, and tank construction. Hard water areas often see shorter lifespans due to mineral buildup. Regular maintenance checks can help identify potential issues before complete failure. When your water heater is due for replacement, it's wise to replace the expansion tank simultaneously, even if it hasn't failed yet.
A 30-gallon water heater needs an expansion tank if your home has a closed plumbing system. The need for an expansion tank is determined by your plumbing system type rather than water heater size. Even smaller water heaters create thermal expansion when heating water. If your home has a backflow preventer, pressure regulator, or check valve on the main water line, you have a closed system that requires an expansion tank. Check your local plumbing codes, as many jurisdictions now mandate expansion tanks regardless of water heater size.