Residential Water Heater Services

Residential Water Heater Services in Southborough, MA

Installation, Repair, and Maintenance for Tank and Tankless Water Heaters

Reliable hot water is essential for your Southborough home, impacting everything from comfortable showers to effective dishwashing. At Metro West Mini Splits, we extend our commitment to home comfort beyond heating and cooling by offering expert residential water heater services, including repair, maintenance, and the installation of both traditional tank and modern tankless systems.


Whether your current water heater is failing, you are running out of hot water too quickly, or you want to upgrade to a highly efficient model, our certified technicians provide the skilled, local service you need in the MetroWest area.

Water Heater Repair and Diagnostics

A malfunctioning water heater can disrupt your entire household. Our team is equipped to diagnose and fix all major issues with gas, electric, and heat pump water heaters.


Signs Your Water Heater Needs Professional Attention:


  • Lack of Hot Water: The most obvious sign, often caused by a faulty heating element, pilot light issue, or tripped breaker.
  • Strange Noises: Popping, rumbling, or banging sounds often indicate sediment buildup at the bottom of the tank, which forces the unit to work harder.
  • Leaks: Water pooling around the base of the unit can signal a faulty valve, a loose connection, or, critically, a corroded tank that requires immediate replacement.
  • Discolored Water: Rusty or brown-tinted water typically means the tank is corroding internally or the anode rod needs replacing.
  • Foul Odors: A "rotten egg" smell suggests a bacterial issue in the tank that needs professional flushing and sanitization.


If you experience any of these symptoms, call our Southborough service team right away to prevent further damage or system failure.

Water Heater Installation & Replacement Options

Upgrading your water heater can significantly reduce your energy consumption and provide a more consistent supply of hot water. We specialize in helping you choose the right system for your family’s needs and budget.


1. Traditional Tank Water Heaters

These are the most common and generally have a lower upfront cost. Newer tank models are more efficient than their predecessors, and they are easier to replace when necessary. We ensure proper sizing to avoid running out of hot water during peak usage times.


2. Tankless (On-Demand) Water Heaters

Tankless water heaters only heat water when you need it, eliminating the standby energy losses associated with keeping a large tank of water constantly hot.


  • Feature Tankless (On-Demand) Traditional Tank
  • Energy Efficiency Up to 34% more efficient; significant long-term savings. Lower efficiency due to continuous reheating.
  • Hot Water Supply Endless supply of hot water. Limited by tank size; can run out.
  • Lifespan Typically 20+ years. Typically 10–15 years.
  • Space Compact, wall-mounted unit; saves floor space. Large storage tank requires more room.


We provide professional installation for both gas and electric tankless systems, ensuring proper venting and utility line requirements are met.

White water heater and auxiliary tanks, pipes with insulation, and a control unit against a tiled wall.
White water heater and boiler on a blue-tiled wall with pipes and a red expansion tank.
White tankless water heater mounted on gray siding with three pipes and a connected electrical box.

Water Heater Maintenance

To maximize efficiency and extend the lifespan of your unit, regular maintenance is essential:

Tank Flushing

We perform annual flushing to remove sediment buildup, which is the leading cause of poor efficiency and premature tank failure.

Anode Rod Inspection

 Checking the anode rod protects the tank from corrosion and is vital for maximizing system life.

Pressure Valve Check

Testing the Temperature and Pressure Relief (T&P) valve ensures safety and proper operation.

Schedule Now

For expert water heater repair, reliable maintenance, or a free consultation on upgrading to a high-efficiency tankless system in Southborough, MA, trust the specialists at Metro West Mini Splits.


Call us today at 508-388-6816 to schedule service.

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