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Johnson Bros. Plumbing & Drain Cleaning
Weymouth heating

Heating Repair in Weymouth, MA

Weymouth has heating systems from every era — steam boilers in older neighborhoods, forced-air in newer developments. We dispatch to Weymouth from our Quincy office — usually about 15 minutes away. From annual boiler service to emergency no-heat calls, we answer 24/7.

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MA Master Plumber Lic. PL #17034-M · Corp. #458124/7 emergency line4.8 stars · 418 Google reviewsDispatched from Quincy, MA

Why Weymouth heating systems need attention

South Weymouth, East Weymouth, and North Weymouth each have distinct neighborhoods with different eras of construction — from 1940s triple-deckers to 1970s split-levels — and each generation of heating system has its own failure patterns.

Weymouth's proximity to the Fore River means some coastal neighborhoods see moisture and salt air that accelerates corrosion in boiler components and flue systems.

Heating systems in Weymouth's older rental properties are often under-maintained, leading to reliability failures in winter that affect multiple tenants at once.

Forced-air systems in Weymouth homes built in the 1980s are reaching the end of their service life and increasingly showing heat exchanger and control board issues.

What we do for Weymouth heating systems

Boiler repair

Circulators, pressure relief valves, expansion tanks, aquastats. We fix the specific component rather than pushing replacement.

Radiator bleeding and balancing

Uneven heat and air-locked radiators are common in older Weymouth hydronic systems. We restore even distribution.

System inspection and tuneup

Annual inspection catches deferred maintenance before it becomes a no-heat emergency. We check flue, pressure, safety controls, and burner.

The $99 service fee sends a licensed technician out to diagnose the problem. Approve the repair on the spot and the fee is not charged at all; decline it and the $99 covers the visit.

No heat in Weymouth? We answer 24/7.

Scheduling from our Quincy office

We dispatch to Weymouth from our Quincy office — usually about 15 minutes away. Nate and Nick Johnson grew up in Quincy and have been working on heating systems on the South Shore their entire careers. Call (617) 479-9911.

Why does the heating repair we do in Weymouth depend on which village the house is in?

The heating repair we do in Weymouth depends on the village because Weymouth is four village centers with four different generations of housing, and each generation heats a different way. Near Weymouth Landing and in the older streets of East and North Weymouth the houses are tight-lot and old, some of them older than the Revolution, and the heat is a boiler feeding cast-iron radiators or baseboard through piping that has been altered by every owner since. Toward South Weymouth the construction is newer, the systems are forced-air furnaces and later boilers, and the failures are control boards, igniters and heat exchangers rather than circulators and zone valves. The truck is loaded differently for each, which is why we ask the address before we ask the symptom.

Weymouth pumps its own water from town wells, and that matters on the heating side more than people expect: a boiler fill, an expansion tank and a hot-water coil all see the same local mineral load that a water heater here does, so a kettling boiler in an older Landing house is usually scale rather than a bad burner. Heating is not the largest part of our Weymouth work, fixture and drain calls are, but the no-heat calls we do take here cluster in the older housing, and the first question on every one of them is which generation of system we are looking at.

The two Weymouth pages most often read alongside this one are water heater service in Weymouth, because a combi or an indirect tank shares the boiler, and emergency plumbing in Weymouth for a no-heat call that is also a leak. Everything we do in town is on the Weymouth plumbing page, and the heating service page covers the work across the whole South Shore.

How does a heating repair visit go?

A heating repair visit starts at the thermostat and works toward the boiler or furnace, because a surprising share of no-heat calls end at a dead thermostat battery, a tripped emergency switch or a closed gas valve. Once those are ruled out, the plumber watches the system try to start: whether it calls for heat, whether the ignition proves, whether the burner stays lit, and whether the pump or blower moves anything.

On a hot-water system that means checking pressure, the expansion tank, air in the loop and the circulator; on steam it means the low-water cutoff, the water level and the vents; on a forced-air system the igniter, flame sensor and blower. If some rooms heat and others do not, the fault is in distribution, not the boiler. You are told what failed and what it costs before the repair starts, and the system is run through a full cycle before the plumber leaves.

Weymouth calls for heating work are scheduled from our Quincy office, and whichever office sends the crew, the work is done under the same Massachusetts plumbing license.

What decides the cost of a heating repair?

The cost of a heating repair is decided by which part failed and how old the system it failed on is. An igniter, thermocouple, flame sensor, circulator or zone valve is a part-and-labor repair. A gas valve, a control board or a heat exchanger is a larger part, and on an older system the question of whether that part is still available comes before its price.

Access and configuration move it next: a boiler in a tight closet with piping to move, a system with several zones that each need bleeding, or a steam system whose near-boiler piping has to be corrected for the repair to hold. Gas work, where the repair involves the gas train, is done under the same Massachusetts plumbing license and may need a permit filed with the town. A system that has never been serviced usually needs a cleaning before any repair can be trusted.

Where the job needs a permit, it is filed with Weymouth's plumbing and gas inspector before the work, and the permit fee is set by the town rather than by us.

The $99 service fee sends a licensed technician out to diagnose the problem. Approve the repair on the spot and the fee is not charged at all; decline it and the $99 covers the visit.

Should I repair my heating system or replace it?

Repair it if the failed part is available and the heat exchanger and the rest of the system are sound; replace it when the part is no longer made, the heat exchanger is cracked or leaking, or the repairs have started arriving every season. A single failed igniter on a boiler of any age is a repair. A control board for a system whose manufacturer no longer supports it is a different decision.

The second half of the answer is what the system costs to run. A cast-iron boiler from the previous century may be perfectly repairable and still be worth replacing on fuel use alone, while a well-kept system a decade old is almost never worth replacing for a single part. We will give you both numbers to think about, the repair and the replacement, before you choose, and we will tell you plainly if the repair is one we would not make on our own house.

We have worked in hundreds of Weymouth homes, and the answer in one house is not always the answer next door: the recommendation follows what the system in front of us is doing, not a rule of thumb.

What should I do before we arrive for a heating repair?

Check the obvious things once: the thermostat is set to heat and above room temperature, its batteries are fresh, the emergency switch at the top of the basement stairs is on, and the gas valve at the boiler is open. If any of those were the problem you have just saved yourself a visit; if not, leave the system as it is so the plumber sees the fault rather than a reset.

Clear a working space around the boiler or furnace and along the path to it, and note which rooms are cold and which are warm, since that pattern points at the zone or the radiator rather than the boiler. If you smell gas, leave the house, call the gas utility from outside, and then call us; do not run the system. Have the make and model of the boiler and the date it was last serviced if you know them.

If anything about your Weymouth address is hard to find, such as a shared driveway or a basement door around the back, tell the Quincy office when you book so the crew is not hunting for it.

Read more about heating work across our whole service area on our Heating Repair page.

Heating Repair in the towns around Weymouth

The same heating work page exists for Quincy and Braintree, each written against the work we have completed there: Heating Repair in Quincy, Heating Repair in Braintree. A job that turns out to sit just over the Weymouth line is handled the same way.

Related reading on heating work

Three posts from our own blog on heating work, for Weymouth homeowners who want the longer answer:

Ready to schedule service in Weymouth?

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Weymouth heating FAQs

Which parts of Weymouth do you cover for heating work?

All of Weymouth. We have completed work in the 02188, 02189, 02190, 02191 ZIP codes. We dispatch to Weymouth from our Quincy office — usually about 15 minutes away.

What heating systems are most common in Weymouth homes?

South Weymouth, East Weymouth, and North Weymouth all have significant 1950s and 1960s housing stock with hot-water and steam boilers. Newer Weymouth developments from the 1980s and 1990s tend to have forced-air gas furnaces. We work on both.

How fast can you respond to a no-heat call in Weymouth?

We dispatch to Weymouth from our Quincy office — usually about 15 minutes away. No-heat emergencies get priority scheduling. Call (617) 479-9911.

My Weymouth boiler pressure is too high. Is that dangerous?

High boiler pressure can cause pressure relief valves to discharge repeatedly, and in severe cases it creates a safety hazard. If your gauge consistently reads above 20 psi on a hot-water system, call us. We'll diagnose the expansion tank, PRV, and fill valve.

Do you service gas heating systems in Weymouth?

Yes. We handle gas boilers and furnaces throughout Weymouth under proper MA licensing.

Heating Repair in Weymouth: what our records show

Completed heating repair jobs in Weymouth
over 10
Who has done the most of this work in Weymouth (last two years)
Nate and Nick
Most recent completed heating repair job in Weymouth
October 2026
Where Weymouth plumbing and gas permits are filed
Weymouth Department of Municipal Licenses and Inspections

From our completed-job records as of October 2026. Counts are rounded down, never exact.

Weymouth is a sewer-only member of the Massachusetts Water Resources Authority: the regional system takes the waste, but the drinking water is the town's own. What that arrangement means in a Weymouth basement — water, sewer, and how the town was built — is on our Weymouth plumbing page.