We’re all about providing you with fast and courteous Plumbing, Heating, and Air Conditioning service with a personal touch. Our word-of-mouth reputation is extremely important because, like you, we are a local family and it is our pleasure to serve our local community. As a result, we always go out of our way to make our customers feel like family and to make sure that your home is always Comfy and Cozy.
"Hhwhs"
Scott T on March 2024
We’re all about providing you with fast and courteous Plumbing, Heating, and Air Conditioning service with a personal touch. Our word-of-mouth reputation is extremely important because, like you, we are a local family and it is our pleasure to serve our local community. As a result, we always go out of our way to make our customers feel like family and to make sure that your home is always Comfy and Cozy.
"Hhwhs"
Scott T on March 2024
Mattson Plumbing LLC has been serving the Zimmerman area since 2010. We are your top choice for all home improvement needs. Customer satisfaction is our top priority. We never leave a job until it is 100% completed exactly to customer specifications.
"Would hirer them again"
Dave S on August 2022
Mattson Plumbing LLC has been serving the Zimmerman area since 2010. We are your top choice for all home improvement needs. Customer satisfaction is our top priority. We never leave a job until it is 100% completed exactly to customer specifications.
"Would hirer them again"
Dave S on August 2022
Thank you for your interest in Water Heaters Now! If you need water heater service, you have found the only company in the Twin Cities that specializes IN SAME DAY water heater installation. The experience of having Water Heaters Now in your home is a class by itself. We do perfect installs every single time! Here are some common comments we see on our reviews in Home Advisor, Angies List, and Google: "Price did not change after the job was done, clean, professional, experts, educational, friendly, prompt, and great communicators." We have master plumbers who specialize in: Tankless Water Heaters; like Navien and Rinnai. Tank style water heaters; like Bradford White, Rheem, and A.O. Smith. Service, replacement, and guaranteed an amazing experience!
"A great experience! Easy to schedule and repair performed on time as promised. I would this company for anyone needing water heater installation."
Roger H on May 2025
Thank you for your interest in Water Heaters Now! If you need water heater service, you have found the only company in the Twin Cities that specializes IN SAME DAY water heater installation. The experience of having Water Heaters Now in your home is a class by itself. We do perfect installs every single time! Here are some common comments we see on our reviews in Home Advisor, Angies List, and Google: "Price did not change after the job was done, clean, professional, experts, educational, friendly, prompt, and great communicators." We have master plumbers who specialize in: Tankless Water Heaters; like Navien and Rinnai. Tank style water heaters; like Bradford White, Rheem, and A.O. Smith. Service, replacement, and guaranteed an amazing experience!
"A great experience! Easy to schedule and repair performed on time as promised. I would this company for anyone needing water heater installation."
Roger H on May 2025
O'Boys Plumbing, Heating & Air is dedicated to providing our customers with the best quality and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. O'Boys Plumbing, Heating & Air is a leader in providing our customers with the highest quality products and service in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. We look forward to working with you!
"Excellent install, follow up and great service!"
Katie S on February 2024
O'Boys Plumbing, Heating & Air is dedicated to providing our customers with the best quality and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. O'Boys Plumbing, Heating & Air is a leader in providing our customers with the highest quality products and service in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. We look forward to working with you!
"Excellent install, follow up and great service!"
Katie S on February 2024
M & M Plumbing has been in the area since 2001, providing the most affordable and reliable service in the area. No job is too big. Call today for your free estimate.
"Marvin was terrific to work with. Explained the work expertly. Did the work professionally."
Ann P on January 2025
M & M Plumbing has been in the area since 2001, providing the most affordable and reliable service in the area. No job is too big. Call today for your free estimate.
"Marvin was terrific to work with. Explained the work expertly. Did the work professionally."
Ann P on January 2025
You deserve a safe and reliable home. Get the job done right the first time with outstanding customer service from the Twin Cities top-rated plumbers. Leaks, clogs, water heaters, faucets, toilets, sump pumps, and pipe repairs. Your full-service plumbing experts.
"They did a really great job."
Ben G on May 2025
You deserve a safe and reliable home. Get the job done right the first time with outstanding customer service from the Twin Cities top-rated plumbers. Leaks, clogs, water heaters, faucets, toilets, sump pumps, and pipe repairs. Your full-service plumbing experts.
"They did a really great job."
Ben G on May 2025
We are dedicated to providing our clients with the very best in service, installation, and repair for all of your heating and cooling needs. We specialize in a variety of residential and commercial projects to include oil service contracts, oil tank replacement, and we are the only company in the area specializing in pump valve services. We take pride in the attention to detail put into each of the projects we are involved with. We look forward to building long-term relationships with our clients, and guarantee your satisfaction. Please contact us for a free in-home evaluation and estimate.
"They were great"
Tyler E on April 2025
We are dedicated to providing our clients with the very best in service, installation, and repair for all of your heating and cooling needs. We specialize in a variety of residential and commercial projects to include oil service contracts, oil tank replacement, and we are the only company in the area specializing in pump valve services. We take pride in the attention to detail put into each of the projects we are involved with. We look forward to building long-term relationships with our clients, and guarantee your satisfaction. Please contact us for a free in-home evaluation and estimate.
"They were great"
Tyler E on April 2025
We are dedicated to providing our clients with the very best in service and repair for all phases of your PLUMBING, HEATING or COOLING needs. We offer upfront and fair pricing once our technician is in your home to evaluate your situation. We do not offer quotes or estimates at the time of appointment scheduling. We only service Owner Occupied Residential Homes. We do not service rental properties. We look forward to building long-term relationships with our clients, and guarantee your satisfaction.
"Great!"
Courtney P on November 2022
We are dedicated to providing our clients with the very best in service and repair for all phases of your PLUMBING, HEATING or COOLING needs. We offer upfront and fair pricing once our technician is in your home to evaluate your situation. We do not offer quotes or estimates at the time of appointment scheduling. We only service Owner Occupied Residential Homes. We do not service rental properties. We look forward to building long-term relationships with our clients, and guarantee your satisfaction.
"Great!"
Courtney P on November 2022
A to Z Remodelers & Builders can substantially enhance your quality of life and can also bring a great return for your remodeling dollar. It is important to realize that these projects can also be the costliest, most time consuming and intrusive of any remodel and require the highest levels of skill and expertise. At A to Z Remodelers & Builders your satisfaction is our top priority and we work with you throughout the project to ensure that your goals are met. We can help you create a design of your own or work with your design professional to remodel your home or business. Additional email - info@atozmn.com.
"Rarely in my experience of owning homes and rental properties have I seen a crew of men take on such a difficult (Structural Damage) project like ours with such skill and professionalism! Roman the Project Manager was punctual and clearly explained what would be necessary to complete this project. His crew were on time, tidy and in good spirits. We were so impressed on the quality of work on the first project that we have hired them to work on a second project involving a claim with our insurance company! Roman was happy to meet with the Claim's Handler even on short notice. Needless to say, I would highly recommend A to Z Remodelers and Builders."
Murray T on October 2024
A to Z Remodelers & Builders can substantially enhance your quality of life and can also bring a great return for your remodeling dollar. It is important to realize that these projects can also be the costliest, most time consuming and intrusive of any remodel and require the highest levels of skill and expertise. At A to Z Remodelers & Builders your satisfaction is our top priority and we work with you throughout the project to ensure that your goals are met. We can help you create a design of your own or work with your design professional to remodel your home or business. Additional email - info@atozmn.com.
"Rarely in my experience of owning homes and rental properties have I seen a crew of men take on such a difficult (Structural Damage) project like ours with such skill and professionalism! Roman the Project Manager was punctual and clearly explained what would be necessary to complete this project. His crew were on time, tidy and in good spirits. We were so impressed on the quality of work on the first project that we have hired them to work on a second project involving a claim with our insurance company! Roman was happy to meet with the Claim's Handler even on short notice. Needless to say, I would highly recommend A to Z Remodelers and Builders."
Murray T on October 2024
Building the home remodeling dreams of Twin Cities homeowners has been our business since 2017, with a special focus on kitchens, basements, additions, and whole-house remodels. We make sure you know exactly what to expect in your remodel, and get quick answers to questions you have – with a sharp focus on making sure your project is on time and on budget. We pride ourselves on bringing together highly skilled, specialized tradesman to build exactly what you want – so you can trust your build will be completed with excellence, bringing value to you and your home for years to come.
"It went well , he knew what he was doing and was attentive to what I needed done!! Great job and would recommend him to whoever needs work done."
Rodney B on August 2024
Building the home remodeling dreams of Twin Cities homeowners has been our business since 2017, with a special focus on kitchens, basements, additions, and whole-house remodels. We make sure you know exactly what to expect in your remodel, and get quick answers to questions you have – with a sharp focus on making sure your project is on time and on budget. We pride ourselves on bringing together highly skilled, specialized tradesman to build exactly what you want – so you can trust your build will be completed with excellence, bringing value to you and your home for years to come.
"It went well , he knew what he was doing and was attentive to what I needed done!! Great job and would recommend him to whoever needs work done."
Rodney B on August 2024
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.