McCandless Plumbing & Excavation provides professional water heater installation and repair to homeowners and businesses throughout Jamestown, NY and the surrounding Chautauqua County area — including Dunkirk, Fredonia, Lakewood, Westfield, Falconer, and Bemus Point.
With over 50 years of experience serving Western New York, our licensed team installs and services all major water heater brands. Call (716) 403-2478 for a free estimate.


Gas water heaters offer excellent energy efficiency and lower operating costs. We handle pilot light issues, thermostat repair, and complete installations while coordinating with gas utility companies to ensure safe connections and proper BTU ratings for your home’s needs.

Electric units provide consistent heating and work well in homes without gas lines. Our team works with electrical contractors when needed to ensure proper voltage and circuit requirements for your new electric water heating system.

For homes with boiler systems, we provide complete boiler installation and repair services, ensuring your heating and hot water needs are met with reliable, efficient equipment.
No Hot Water:This can result from failed heating elements, faulty thermostats, or pilot light problems in gas units. Our technicians quickly diagnose and repair these issues.
Insufficient Hot Water:Often caused by undersized units, sediment buildup, or incorrect temperature settings. We can recommend proper gallon capacity for your household and perform sediment flushing to restore efficiency.
Water Heater Leaks:Leaks can occur from loose connections, damaged tanks, or worn components. We provide fast leak repairs and help determine if repair or replacement is more cost-effective.
Strange Noises:Popping, rumbling, or crackling sounds usually indicate sediment buildup that requires professional cleaning and maintenance.
Rusty Water:Discolored hot water often means your anode rod needs replacement or your tank is deteriorating and requires water heater replacement.


We follow a systematic approach to ensure your new water heater installation meets all safety and efficiency standards:
Assessment:We evaluate your current system, hot water usage patterns, and available space to recommend the best replacement option.
System Integration:Before installing a new water heater, we evaluate your existing plumbing connections and may recommendwater line repair or upgrade servicesto ensure proper water flow and pressure to your new unit.
Sizing:Proper gallon capacity and BTU ratings ensure your new unit meets your household’s hot water demands without wasting energy.
Professional Installation:Our team handles all connections, whether gas, electric, or water lines, and coordinates with building code inspectors for required permits.
Testing:We test all safety features, temperature settings, and connections to ensure your new water heating system operates perfectly.
Jamestown’s cold winters put water heaters under more strain than homeowners in milder climates ever experience. Average groundwater temperatures in this area sit around 50°F — meaning your water heater works harder just to reach a comfortable temperature than an equivalent unit in a warmer state. That extra demand shortens equipment life and makes proper sizing critical. McCandless sizes and installs water heaters specifically for Chautauqua County’s cold groundwater conditions, ensuring you get full performance and a realistic service life from every unit.
McCandless Plumbing & Excavation serves Jamestown and the surrounding Chautauqua County communities, including Dunkirk, Fredonia, Lakewood, Westfield, Mayville, Falconer, Bemus Point, and Findley Lake.
For service inquiries, call (716) 403-2478 or (716) 705-9890.
Water heater issues are just one component of your home’s overall water infrastructure, and our team provides comprehensivewater servicesincluding main line repairs, water quality solutions, and complete plumbing system maintenance to ensure reliable water delivery throughout your property.
If your home has an aging main water line that restricts flow to your water heater, consider pairing your installation withmain water service line replacementfor optimal system performance.
For homeowners seeking space-saving solutions and unlimited hot water capacity, explore ouradvanced tankless water heating technologyas an alternative to traditional tank installations.


Watch for these warning signs that indicate your water heater needs professional attention:
Age of Unit:Most water heaters last 8-12 years. If yours is approaching this age and showing problems, replacement is often more economical than major repairs.
Rising Energy Bills:Decreased energy efficiency often indicates sediment buildup, failing components, or an undersized unit working overtime.
Inconsistent Water Temperature:Fluctuating hot water temperatures suggest thermostat problems or heating element issues that require professional repair.
Visible Corrosion:Rust on the tank exterior or connections indicates deterioration that may lead to leaks or failure.
Water Puddles:Any water around your unit requires immediate attention to prevent property damage.
Regular water heater maintenance extends equipment life and maintains energy efficiency. Our water heater service includes:
Annual Inspections:We check all components, test safety features, and verify proper operation.
Sediment Flushing:Removing mineral buildup improves efficiency and extends tank life.
Anode Rod Replacement:This crucial component prevents tank corrosion and should be replaced every 3-5 years.
Temperature Optimization:Proper temperature settings balance comfort with energy savings and safety.
Many utility companies and energy efficiency programs offer rebates for high-efficiency water heater installations. We help you navigate these programs to maximize your savings.


Working with experienced HVAC technicians and certified plumbers ensures your installation meets all safety codes and manufacturer requirements. We coordinate with warranty providers to protect your investment and work with appliance retailers to source quality equipment at competitive prices.
Frequently Asked Questions