Plumbing, Heating & HVAC Services in Charlestown, MA

Comfort systems in Charlestown range from steam and hot-water boilers in older rowhouses to gas furnaces, central air and heat pumps in renovated homes and newer waterfront buildings. Narrow utility rooms, finished basements, roof or exterior limitations and shared building components can all affect access and equipment selection.

Uneven temperatures, weak airflow, repeated cycling or a system that will not start each require a different investigation. We follow the problem through controls, fuel or electrical supply and distribution before recommending repair or replacement. Loss of heat that cannot wait can be directed to 24/7 emergency heating service.

Our furnace service covers gas and oil-fired equipment, including ignition trouble, burner lockouts, blower problems, unusual noise and air that never reaches the thermostat setting.

• Furnace Repair & Maintenance

• Furnace Installation & Replacement

Massachusetts Oil Burner License BU-319987 verifies our qualification to work on oil burners as well as gas heating systems. When replacement is justified, we consider heating load, ductwork, venting, fuel supply and the physical space available for new equipment.

Steam radiators and forced-hot-water systems remain relevant in Charlestown’s older housing. Cold radiators, banging or gurgling pipes, leaking valves, pressure changes and burner lockouts may originate in the boiler or elsewhere in the distribution system.

• Boiler Repair & Maintenance

• Boiler Installation & Replacement

We assess the burner, controls, piping and connected radiation as one system. Replacement planning accounts for zoning, venting, fuel, domestic-hot-water demand and access through the property so the proposed equipment fits the building as well as its heating requirements.

Related guide: Why annual boiler service matters for performance, safety and warranty coverage.

Cooling a narrow rowhouse, renovated condo or multi-level home can require different equipment. Existing ducts may support central air, while mini-splits can create zones without opening walls for extensive new duct runs.

• Air Conditioning Repair

• Air Conditioning Maintenance

• Air Conditioning Installation & Replacement

Warm supply air, ice, condensate leakage, unusual sound and short cycling help indicate where testing should begin. We examine the indoor and outdoor equipment, thermostat, airflow and drainage. For urgent breakdowns during dangerous heat, use our 24/7 emergency cooling service.

Related guide: Why annual cooling maintenance should happen before a heatwave.

Heat pumps may condition an entire eligible residence, serve selected floors or rooms, or operate alongside an existing boiler or furnace. Ducted and ductless designs provide options where floor plans, historic finishes and limited mechanical space constrain a project.

• Heat Pump Repair

• Heat Pump Maintenance

• Heat Pump Installation & Replacement

Design should consider winter performance goals, electrical capacity, outdoor-unit placement, condensate management and the role of current heat. Proto Home Service participates in the Mass Save Heat Pump Installer Network; verify current incentives and eligibility directly through Mass Save.

Plumbing in historic rowhouses and converted multi-family buildings can involve aging supply piping, shared stacks, tight chases and layers of past renovation. We handle leaks, burst pipes, toilets, faucets, shower valves, disposals, low pressure, sump pumps and kitchen or bathroom plumbing.

• Plumbing Repair

• Plumbing Installation

• Bathroom & Kitchen Plumbing Renovations

• Sump Pump Services

• Drain Cleaning Services

• Water Filtration Systems

• Plumbing Inspection Services

Recurring clogs, unexplained low pressure or rising water use deserve investigation beyond the visible symptom. For a burst or frozen pipe, uncontrolled leak, sewage backup or overflowing fixture, shut off water when safe and request 24/7 emergency plumbing service. Boston property owners are generally responsible for the building sewer lateral to the BWSC main.

Related guide: What homeowners should know about drain and sewer cleaning inspections.

We service tank, tankless and compatible gas, electric or oil-fired hot-water equipment. Household demand, recovery expectations, venting, utility connections and restricted basement or closet space all influence the best repair or replacement approach.

• Water Heater Repair

• Water Heater Maintenance

• Water Heater Installation & Replacement

• Tankless Water Heater Services

Slow recovery, unstable temperature, rumbling, corrosion, error codes and moisture around the unit help distinguish component trouble from a failing tank. Proto Home Service is a Navien Service Specialist for compatible equipment. 24/7 emergency water-heater service is available for active leaks and urgent failures.