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Water heater installers and replacers in Cornwall
We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!
"Talking with Anthony before hand about the job , very informative and straightforward what to expect. Very reasonably priced, and am very impressed and satisfied with their quality work. I would recommend them, and have the before and after pictures to stand by it."
Randolph S on September 2023
We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!
"Talking with Anthony before hand about the job , very informative and straightforward what to expect. Very reasonably priced, and am very impressed and satisfied with their quality work. I would recommend them, and have the before and after pictures to stand by it."
Randolph S on September 2023
We are dedicated to providing our clients with the very best in installation, service and repair for every heating and cooling need. Our company is built on honesty and integrity. We specialize in heating and furnace systems, in addition to a variety of plumbing and HVAC related projects. We take pride in the quality of our work and our commitment to outstanding results & look forward to building long-term relationships with our clients. We guarantee your satisfaction. We install heat pumps, boilers, central ac systems, ductless ac systems, pool heaters and gas fireplaces. Fully licensed and insured
"This company should be called "High" Quality Home Services Plumbing Heating and AC. Large AC install done at a reasonable price with no hassles. Highly recommended."
Anthony N on April 2023
We are dedicated to providing our clients with the very best in installation, service and repair for every heating and cooling need. Our company is built on honesty and integrity. We specialize in heating and furnace systems, in addition to a variety of plumbing and HVAC related projects. We take pride in the quality of our work and our commitment to outstanding results & look forward to building long-term relationships with our clients. We guarantee your satisfaction. We install heat pumps, boilers, central ac systems, ductless ac systems, pool heaters and gas fireplaces. Fully licensed and insured
"This company should be called "High" Quality Home Services Plumbing Heating and AC. Large AC install done at a reasonable price with no hassles. Highly recommended."
Anthony N on April 2023
We pride our company on reliability, great communication, integrity, and quality work. We believe in honest fair prices and for both the customer and us. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Book with us online or feel free to give us a call today!
"Fast and excellent service at a reasonable price. Alerted me to another serious issue and repaired it at the same time."
Mary B on March 2025
We pride our company on reliability, great communication, integrity, and quality work. We believe in honest fair prices and for both the customer and us. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Book with us online or feel free to give us a call today!
"Fast and excellent service at a reasonable price. Alerted me to another serious issue and repaired it at the same time."
Mary B on March 2025
Were dedicated to providing our clients with the very best in service, installation and repair for all phases of your plumbing needs. We specialize in a variety of residential and commercial services and take pride in the attention to detail put into each of the projects we're involved with. We're known for our quality work and the integrity of our business. We look forward to building long-term relationships with our clients and guarantee your satisfaction.
"Great job on the installation of a boiler and water heater. Very professional and prompt."
Ana C on June 2025
Were dedicated to providing our clients with the very best in service, installation and repair for all phases of your plumbing needs. We specialize in a variety of residential and commercial services and take pride in the attention to detail put into each of the projects we're involved with. We're known for our quality work and the integrity of our business. We look forward to building long-term relationships with our clients and guarantee your satisfaction.
"Great job on the installation of a boiler and water heater. Very professional and prompt."
Ana C on June 2025
We at Kulk's Plumbing and Heating are dedicated to your complete satisfaction. We always provide a written estimate before the plumbing services are performed. With our per-job pricing you'll know the full price in advance before we start - giving you peace of mind. We have the training and plumbing knowledge to quickly repair fixtures or install new plumbing lines in any setting. From installing new faucets to water heaters, we will provide you with quality service you need for all your plumbing needs.
"James was great. Vacuumed and scraped my Well McLain Gold. Changed nozzle. Plus cleaned and adjusted my Burnham High efficiency in my rental. Price went up from 286 .00 each to 351.00 . Over 21 % inflation. OUCH"
Troy S on February 2025
We at Kulk's Plumbing and Heating are dedicated to your complete satisfaction. We always provide a written estimate before the plumbing services are performed. With our per-job pricing you'll know the full price in advance before we start - giving you peace of mind. We have the training and plumbing knowledge to quickly repair fixtures or install new plumbing lines in any setting. From installing new faucets to water heaters, we will provide you with quality service you need for all your plumbing needs.
"James was great. Vacuumed and scraped my Well McLain Gold. Changed nozzle. Plus cleaned and adjusted my Burnham High efficiency in my rental. Price went up from 286 .00 each to 351.00 . Over 21 % inflation. OUCH"
Troy S on February 2025
Gold Medal Plumbing, Inc., warrants and guarantees to the original purchaser, that should Customer accept and purchase Gold Medal's recommended repair, such repair shall be free from defect in materials and workmanship under normal use and conditions for as long as the Customer owns the residence in which the recommended repair was provided or until the Unit in which the covered repair was performed, if applicable, is replaced.
"They were here when they said they would. The gentleman who came took his time and explained what he did and what should be done in the near future. Appreciated him exlaining everything to me."
Cheryl a on July 2023
Gold Medal Plumbing, Inc., warrants and guarantees to the original purchaser, that should Customer accept and purchase Gold Medal's recommended repair, such repair shall be free from defect in materials and workmanship under normal use and conditions for as long as the Customer owns the residence in which the recommended repair was provided or until the Unit in which the covered repair was performed, if applicable, is replaced.
"They were here when they said they would. The gentleman who came took his time and explained what he did and what should be done in the near future. Appreciated him exlaining everything to me."
Cheryl a on July 2023
Winter is fast approaching, but, is your heating system ready? Ensure your system is running at 100%, or fix a broken system that languished over summer. How about installing a new system to replace your old unit completely? Tanous Heating and Air Conditioning offers trained and professional HVAC technicians to handle any of these jobs. Our experts install, service, and repair furnaces, boilers, and air conditioners, by ALL manufacturers. Tanous Heating and Air Conditioning is a second-generation, family-owned-and-operated business that is committed to thorough, personalized services. Our trustworthy, proficient, and honest technicians, are here to serve you when you need us. We guarantee all of the work that our employees perform. Let us put our more than 30 years of experience to work for you and your family today. Lower your utility bills, today. Contact us to request an estimate for our heating and air conditioner services and maintenance.
"Tanous is the best HVAC company I've ever used (I've used several and wish I knew of them earlier). Johnny came to access and confirmed that I needed an entirely new system (as mine was 30 years old). He was very informative and knowledgeable about the process and the pricing was extremely reasonable than what I have been quoted in the past. The following day I spoke with Kris (also very kind and knowledgeable) and had us scheduled for an appointment the following week. Krisâ s team showed up on time, were very professional and efficient and replaced the entire furnace and central air in 1 day! I will only use Tanous going forward, they are the absolute best!"
Jaclyn D on November 2021
Winter is fast approaching, but, is your heating system ready? Ensure your system is running at 100%, or fix a broken system that languished over summer. How about installing a new system to replace your old unit completely? Tanous Heating and Air Conditioning offers trained and professional HVAC technicians to handle any of these jobs. Our experts install, service, and repair furnaces, boilers, and air conditioners, by ALL manufacturers. Tanous Heating and Air Conditioning is a second-generation, family-owned-and-operated business that is committed to thorough, personalized services. Our trustworthy, proficient, and honest technicians, are here to serve you when you need us. We guarantee all of the work that our employees perform. Let us put our more than 30 years of experience to work for you and your family today. Lower your utility bills, today. Contact us to request an estimate for our heating and air conditioner services and maintenance.
"Tanous is the best HVAC company I've ever used (I've used several and wish I knew of them earlier). Johnny came to access and confirmed that I needed an entirely new system (as mine was 30 years old). He was very informative and knowledgeable about the process and the pricing was extremely reasonable than what I have been quoted in the past. The following day I spoke with Kris (also very kind and knowledgeable) and had us scheduled for an appointment the following week. Krisâ s team showed up on time, were very professional and efficient and replaced the entire furnace and central air in 1 day! I will only use Tanous going forward, they are the absolute best!"
Jaclyn D on November 2021
We at Master Comfort focus on quality projects over quantity. We use our years of experience and expertise to complete your project with perfection. Customer service and honesty are the most important aspects of our business and your satisfaction is guaranteed. Please call us today for an estimate. We look forward to working with you.
"They were professional, courteous and honest about accessing the situation with our refrigerator. There were never any questions they couldn’t answer, and the decision as to what we wanted to do was completely ours to make. We now have a working refrigerator again and all in about 90 minutes. I highly recommend these guys."
Joe P on April 2024
We at Master Comfort focus on quality projects over quantity. We use our years of experience and expertise to complete your project with perfection. Customer service and honesty are the most important aspects of our business and your satisfaction is guaranteed. Please call us today for an estimate. We look forward to working with you.
"They were professional, courteous and honest about accessing the situation with our refrigerator. There were never any questions they couldn’t answer, and the decision as to what we wanted to do was completely ours to make. We now have a working refrigerator again and all in about 90 minutes. I highly recommend these guys."
Joe P on April 2024
We offer quality and affordable general remodeling services.
"Fantastic work. Went above and beyond for our needs, kept us up to date on every step, and understood the importance of keeping our kids safe during the process. Highly recommended."
Michelle M on January 2025
We offer quality and affordable general remodeling services.
"Fantastic work. Went above and beyond for our needs, kept us up to date on every step, and understood the importance of keeping our kids safe during the process. Highly recommended."
Michelle M on January 2025
At Radical Renovations, we bring 21 years of experience to every project , and the highest standards of quality and commitment. Each step of your project will be closely evaluated to determine functionality, aesthetics, and value, as we examine every option available to best allocate your budget. We carefully select quality products, and use proper installation procedures to ensure timeless results. Specializing in kitchen and bathroom remodeling, our company also offers a wide range of interior and exterior improvements: drywall, painting, replacement windows, doors, carpentry, flooring, and more.
"We have a smaller upstairs bathroom that had not been touched since 1975. The shower had been unusable for over a decade due to leakage. The space had to be completely gutted down to the studs and completely redone. The contractor we had used several times over the years retired, so we needed someone new who we could trust. Radical Renovations (Angelo) was recommended to us by N & S Supply in Kingston and I'm SO happy we hired him! He's professional, responsive, patient and finds solutions to all issues that invariably come up when you're dealing with old homes. Plus, the crew who he brought in to work with him was also pleasant and professional. I would absolutely hire Angelo again...in fact I already am!"
Liz d on June 2019
At Radical Renovations, we bring 21 years of experience to every project , and the highest standards of quality and commitment. Each step of your project will be closely evaluated to determine functionality, aesthetics, and value, as we examine every option available to best allocate your budget. We carefully select quality products, and use proper installation procedures to ensure timeless results. Specializing in kitchen and bathroom remodeling, our company also offers a wide range of interior and exterior improvements: drywall, painting, replacement windows, doors, carpentry, flooring, and more.
"We have a smaller upstairs bathroom that had not been touched since 1975. The shower had been unusable for over a decade due to leakage. The space had to be completely gutted down to the studs and completely redone. The contractor we had used several times over the years retired, so we needed someone new who we could trust. Radical Renovations (Angelo) was recommended to us by N & S Supply in Kingston and I'm SO happy we hired him! He's professional, responsive, patient and finds solutions to all issues that invariably come up when you're dealing with old homes. Plus, the crew who he brought in to work with him was also pleasant and professional. I would absolutely hire Angelo again...in fact I already am!"
Liz d on June 2019
FAQs for water heater installation and replacement projects in Cornwall, NY
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.
- Plumbing - Multiple Projects
- Shower Pan Install
- Plumbing for a Remodel or Addition - Install
- Plumbing Item Repair
- Water Heater - Repair or Service
- Sink Repair
- Steam Shower - Install
- Faucet Install or Replace
- Walk In Tub - Install or Replace
- Drain Repair
- Shower Install or Replace
- Pipe Repair
- Drain Line Breakage - Camera Locate
- Tankless Water Heater - Install
- Water Main - Install, Replace or Repair
- Sump Pump - Repair or Replace
- Drain Clog or Blockage - Clear
- Sewer Main - Clear
- Faucets, Fixtures and Pipes - Repair or Replace
- Plumbing Item Installation
- Sink Installation
- Pipe Installation
- Faucet Installation
- Gas Piping
- Whirlpool Bathtub Install or Replace
- Plumbing Multi-Item Installation
- Sewer Main - Install, Replace or Repair
- Drain Installation
- Plumbing Multi-item Repair
- Toilet Installation
- Bathtub Install or Replace
- Sump Pump or Interior Foundation Drains - Install
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