Whatever plumbing or heating problem you have can be fixed right for a reasonable price. I accept Cash, Check, Credit Cards, PayPal, Venmo, and more.
"Ken is the best!!! Top quality installationâ ¦very professionalâ ¦honest and sincere. Ken has performed many tasks for me in the past and has never ceased to amaze me or let me down. If you want a job done right, you canâ  t go wrong with Ken!!!"
Nancy C on December 2021
Whatever plumbing or heating problem you have can be fixed right for a reasonable price. I accept Cash, Check, Credit Cards, PayPal, Venmo, and more.
"Ken is the best!!! Top quality installationâ ¦very professionalâ ¦honest and sincere. Ken has performed many tasks for me in the past and has never ceased to amaze me or let me down. If you want a job done right, you canâ  t go wrong with Ken!!!"
Nancy C on December 2021
Serving Greater Lowell and beyond, we specialize in residential new construction, service, and remodels. We install and repair water heaters and boilers. Other areas of expertise include gas piping and commercial plumbing.
"Joe Montbleau Plumbing and Heating was very professional, courteous, and cleaned very well. I highly recommend this company."
Katrina L on September 2021
Serving Greater Lowell and beyond, we specialize in residential new construction, service, and remodels. We install and repair water heaters and boilers. Other areas of expertise include gas piping and commercial plumbing.
"Joe Montbleau Plumbing and Heating was very professional, courteous, and cleaned very well. I highly recommend this company."
Katrina L on September 2021
State Plumbing and Heating, INC. works hard to provide the highest quality workmanship and customer service on every job we are awarded. Thank you for the opportunity to service your request. We look forward to serving all your plumbing needs.
"We found State Plumbing and Heating to be very professional. They were always on time and finished the job within the estimated window. Alex was attentive to our calls and provided immediate responses to our inquiries. - AL"
Albert L on March 2025
State Plumbing and Heating, INC. works hard to provide the highest quality workmanship and customer service on every job we are awarded. Thank you for the opportunity to service your request. We look forward to serving all your plumbing needs.
"We found State Plumbing and Heating to be very professional. They were always on time and finished the job within the estimated window. Alex was attentive to our calls and provided immediate responses to our inquiries. - AL"
Albert L on March 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.
"Matt came out within hours and had the job completed within an hour. Excellent service"
Timothy J on April 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.
"Matt came out within hours and had the job completed within an hour. Excellent service"
Timothy J on April 2025
RPM is a professional Heating and Cooling company, that puts customers first. We offer many variations of affordable heating and cooling solutions. Ranging from high end custom ordered units to income eligible programs through mass save. We excel at installing the most efficient and practical system for your home, while saving you the most money. Repairs and servicing is also no challenge with our high tech equipment, and professionals that use it at an alarmingly affordable rate. Our approach is different. We understand today's new lifestyle and how technology can now play a role in saving you money. We offer Lower Energy Costs Solutions with a modern approach. With years of repairing and replacing heating systems, Matthew and his crew are experts in offering you the right solution for your needs. We are professionals, licensed, bonded, and insured.
"Basic maintenance no problems noted at this time"
joseph Q on March 2021
RPM is a professional Heating and Cooling company, that puts customers first. We offer many variations of affordable heating and cooling solutions. Ranging from high end custom ordered units to income eligible programs through mass save. We excel at installing the most efficient and practical system for your home, while saving you the most money. Repairs and servicing is also no challenge with our high tech equipment, and professionals that use it at an alarmingly affordable rate. Our approach is different. We understand today's new lifestyle and how technology can now play a role in saving you money. We offer Lower Energy Costs Solutions with a modern approach. With years of repairing and replacing heating systems, Matthew and his crew are experts in offering you the right solution for your needs. We are professionals, licensed, bonded, and insured.
"Basic maintenance no problems noted at this time"
joseph Q on March 2021
We are committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business.
"M.A. Paone was great! Immediate callback and Michael explained our options, and costs. Promptly arrived, and had the old unit removed, the new unit installed, up and running within a couple of hours. Friendly crew, the price was right. Don't hesitate!"
Dana B on May 2025
We are committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business.
"M.A. Paone was great! Immediate callback and Michael explained our options, and costs. Promptly arrived, and had the old unit removed, the new unit installed, up and running within a couple of hours. Friendly crew, the price was right. Don't hesitate!"
Dana B on May 2025
M J Digby Plumbing & Heating is a family-run business that prides itself on service, punctuality, and cleanliness. As a Master Plumber, Matt Digby is highly qualified to meet all your plumbing needs.
"Quick"
Emily K on March 2025
M J Digby Plumbing & Heating is a family-run business that prides itself on service, punctuality, and cleanliness. As a Master Plumber, Matt Digby is highly qualified to meet all your plumbing needs.
"Quick"
Emily K on March 2025
Mystic Valley Home Services is a local, family-owned and operated business specialized in residential plumbing, heating, drain cleaning, and energy conservation. Founded in Arlington, we take pride in our status as a 5 star/same day service business in our community. Our licensed service technicians are available 24/7 to provide you with multiple options to choose from to fit your budget. We’re committed to providing the highest level of customer service and satisfaction. Contact us today to learn more about how we can help you with your plumbing and heating needs.
"Rafael showed very good skills! He inspected all possible areas and fixed the issue with the bathtub draining. I'm really satisfied with the service. Thanks, Mystic Valley Home Services! Adriano"
Adriano M on October 2024
Mystic Valley Home Services is a local, family-owned and operated business specialized in residential plumbing, heating, drain cleaning, and energy conservation. Founded in Arlington, we take pride in our status as a 5 star/same day service business in our community. Our licensed service technicians are available 24/7 to provide you with multiple options to choose from to fit your budget. We’re committed to providing the highest level of customer service and satisfaction. Contact us today to learn more about how we can help you with your plumbing and heating needs.
"Rafael showed very good skills! He inspected all possible areas and fixed the issue with the bathtub draining. I'm really satisfied with the service. Thanks, Mystic Valley Home Services! Adriano"
Adriano M on October 2024
Carmines Pro Services is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business. Please give us a call today!
"Carmine was very efficient, kept to the schedule he outlined as well as the budget. His work was top notch."
Paul C on May 2025
Carmines Pro Services is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business. Please give us a call today!
"Carmine was very efficient, kept to the schedule he outlined as well as the budget. His work was top notch."
Paul C on May 2025
Since our founding, ER Services Plumbing & Heating has been known for quality services, exceptional efficiency, and the highest level of professionalism. No matter what service you’re looking for, we guarantee to not only meet but exceed your expectations and ensure your full satisfaction. We have been servicing the Merrimack Valley and North Shore for 15+ years of professional experience. We excel in High-Efficiency Boilers, Water Heater Replacement, New Construction, Remodels, and Repairs. - Call today!
"Great work Great company"
A N on March 2024
Since our founding, ER Services Plumbing & Heating has been known for quality services, exceptional efficiency, and the highest level of professionalism. No matter what service you’re looking for, we guarantee to not only meet but exceed your expectations and ensure your full satisfaction. We have been servicing the Merrimack Valley and North Shore for 15+ years of professional experience. We excel in High-Efficiency Boilers, Water Heater Replacement, New Construction, Remodels, and Repairs. - Call today!
"Great work Great company"
A N on March 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.