Since 1972 Davis Services Inc has served the Upstate area providing service and leadership in the HVAC industry. With the addition of a plumbing and electrical department, Davis Services can help business and homeowners with Installation, Replacement, Maintenance, Service and Repair. We also have Engineering and Design for small, medium and large businesses.
"On time for their appointment. Competent and efficient staff."
Fred B on August 2021
Since 1972 Davis Services Inc has served the Upstate area providing service and leadership in the HVAC industry. With the addition of a plumbing and electrical department, Davis Services can help business and homeowners with Installation, Replacement, Maintenance, Service and Repair. We also have Engineering and Design for small, medium and large businesses.
"On time for their appointment. Competent and efficient staff."
Fred B on August 2021
Welcome to Dean Wallace Hannu. Our depth of knowledge and experience solidify our belief that customer service stands as the highest priority. We eagerly look forward to working with you and making your vision a reality. Give us a call, text or email today, and let us get started!
"I have been using them for about 13 years and the do great work."
Ryan S on June 2019
Welcome to Dean Wallace Hannu. Our depth of knowledge and experience solidify our belief that customer service stands as the highest priority. We eagerly look forward to working with you and making your vision a reality. Give us a call, text or email today, and let us get started!
"I have been using them for about 13 years and the do great work."
Ryan S on June 2019
Chisholm Plumbing, Heating and Air Conditioning is proud to be a locally owned and operated business that has been serving Greenville, Spartanburg, Greer, Taylors, Simpsonville, Duncan, since 2015! With years of experience and unmatched expertise, we can help with any and all of your plumbing needs. Since opening our doors, we have built our business on providing customers with the highest quality products and service at a fair price. Our customers can count on us to be timely, tidy and when the job is done, that they will be 100% satisfied with the work completed. Let us show you the Chisholm difference, get in touch today!
"Chisholm showed up on time. They were able to replace my heater the same day so that we could take a hot shower. Chisholm is the best and I will be using them for all of my plumbing and hvac needs in the future. They have a membership program that is the best around! "
Al P on June 2025
Chisholm Plumbing, Heating and Air Conditioning is proud to be a locally owned and operated business that has been serving Greenville, Spartanburg, Greer, Taylors, Simpsonville, Duncan, since 2015! With years of experience and unmatched expertise, we can help with any and all of your plumbing needs. Since opening our doors, we have built our business on providing customers with the highest quality products and service at a fair price. Our customers can count on us to be timely, tidy and when the job is done, that they will be 100% satisfied with the work completed. Let us show you the Chisholm difference, get in touch today!
"Chisholm showed up on time. They were able to replace my heater the same day so that we could take a hot shower. Chisholm is the best and I will be using them for all of my plumbing and hvac needs in the future. They have a membership program that is the best around! "
Al P on June 2025
With over 20 years of experience as a plumber, One Call, is who you need to take care of your plumbing needs. We handle everything from the initial consultation to making sure your property looks perfect every single time. We will always treat your property as we would treat our own, and you will be surprised how simple and easy our team will make the whole process seem. Give our team a call today. We're looking forward to working with you!
"Great job!"
Wyatt J on January 2025
With over 20 years of experience as a plumber, One Call, is who you need to take care of your plumbing needs. We handle everything from the initial consultation to making sure your property looks perfect every single time. We will always treat your property as we would treat our own, and you will be surprised how simple and easy our team will make the whole process seem. Give our team a call today. We're looking forward to working with you!
"Great job!"
Wyatt J on January 2025
Plumb ER is a locally/owner run and operated company with over 15 years experience. We are your one stop spot for all of your residential and commercial plumbing needs. We specialize in all facets of plumbing. We are extremely competitive and understand the value of building life long relationships with our customers. Once you use us, you will never have to find another plumbing contractor again. Workmanship guaranteed. Prompt reply to your request.
"Paul and his team were responsive, professional and personable. He answered all my questions and the process was completed with as little interruption to our household as possible. I highly recommend his company. Great work. Great service. I will definitely use them again. "
Liz A on June 2025
Plumb ER is a locally/owner run and operated company with over 15 years experience. We are your one stop spot for all of your residential and commercial plumbing needs. We specialize in all facets of plumbing. We are extremely competitive and understand the value of building life long relationships with our customers. Once you use us, you will never have to find another plumbing contractor again. Workmanship guaranteed. Prompt reply to your request.
"Paul and his team were responsive, professional and personable. He answered all my questions and the process was completed with as little interruption to our household as possible. I highly recommend his company. Great work. Great service. I will definitely use them again. "
Liz A on June 2025
We are an experienced, local plumbing company that will provide nothing but the best solutions for your home or business! From busted water heaters to sewer clogs, our team takes great pride in both the quality of work being done and in our customer service! No corners cut! We specialize in Water, Sewer, and Gas piping systems for both residential and commercial customers.
"Nick called promptly and setup an appointment to fix my plumbing issue. He was able to come out that same day and stayed after hours to help find the problem! I was very impressed with his professionalism and how he updated me along the way. I would recommend his services if you are in need of a plumber!"
Margaret P on February 2025
We are an experienced, local plumbing company that will provide nothing but the best solutions for your home or business! From busted water heaters to sewer clogs, our team takes great pride in both the quality of work being done and in our customer service! No corners cut! We specialize in Water, Sewer, and Gas piping systems for both residential and commercial customers.
"Nick called promptly and setup an appointment to fix my plumbing issue. He was able to come out that same day and stayed after hours to help find the problem! I was very impressed with his professionalism and how he updated me along the way. I would recommend his services if you are in need of a plumber!"
Margaret P on February 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.
"Did a very good job with the flushing out of my tankless hot water heater"
Robert D on May 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.
"Did a very good job with the flushing out of my tankless hot water heater"
Robert D on May 2025
It is our pledge, as a family run business with 4 decades of experience, to give you: Top quality workmanship, professional service and affordable pricing. We look forward to meeting you and your families as we strive to give you the best possible plumbing service available.
"Done promptly and efficiently."
Charles J on May 2025
It is our pledge, as a family run business with 4 decades of experience, to give you: Top quality workmanship, professional service and affordable pricing. We look forward to meeting you and your families as we strive to give you the best possible plumbing service available.
"Done promptly and efficiently."
Charles J on May 2025
We bring years of expertise and dedication to every project. With a strong background in customer service and technical proficiency, we prioritize delivering top-notch results that exceed expectations. Our commitment to continuous learning ensures that I stay updated with the latest industry trends and best practices. Whether it's troubleshooting complex issues or providing routine maintenance, we approach each task with precision and professionalism. Our goal is to build lasting relationships with clients based on trust, reliability, and exceptional service delivery.
"Communication: 5 star Product Knowledge: 5 star Response Time: Immediately Professionalism: Undeniable Many thanks to Steve and Wayne for meeting our need!!"
Anthony S on June 2025
We bring years of expertise and dedication to every project. With a strong background in customer service and technical proficiency, we prioritize delivering top-notch results that exceed expectations. Our commitment to continuous learning ensures that I stay updated with the latest industry trends and best practices. Whether it's troubleshooting complex issues or providing routine maintenance, we approach each task with precision and professionalism. Our goal is to build lasting relationships with clients based on trust, reliability, and exceptional service delivery.
"Communication: 5 star Product Knowledge: 5 star Response Time: Immediately Professionalism: Undeniable Many thanks to Steve and Wayne for meeting our need!!"
Anthony S 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.
"They're good. Just expensive though."
Abanoub G on May 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.
"They're good. Just expensive though."
Abanoub G on May 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.