We Leave Our Customers Smiling
Ready for 5-Star Level Service?
Most boiler problems in a Newton home aren’t really boiler problems. Nearly half of Newton’s homes were built before 1939, which means a lot of you are heating with radiators and piping that have outlasted a boiler or two. When something fails, it usually shows up where old meets new: a circulator pump, a zone valve, an expansion tank, or air trapped in a loop.
We read the whole loop instead of swapping the part that quit. You come away knowing what failed, what’s likely to go next, and which fix is worth paying for. That’s how a small repair stays small.
Winters in Newton also work a boiler differently than a hard freeze would. Average winter highs sit around 41 to 45°F, so your system cycles on and off for months rather than running flat out for a week. A repair done right handles that steady load, and a worn part gets caught in October when the boiler restarts after sitting all summer.
Whether it’s residential boiler repair in Newton, MA for a radiator that never warms up, or gas boiler repair and hot water boiler repair in Newton, MA for a system that’s gone cold, the goal is the same: an evenly heated house and a boiler you understand better than you did this morning.
Dempsey Energy is a family-owned heating, plumbing, and electrical company that has worked in Massachusetts homes for decades. Boilers are a big part of that work: cast iron, high-efficiency condensing, oil-fired, gas, combination units, and some steam systems.
Newton is a good test of all of it. A house in Newton Centre or Waban can have original radiators, a newer boiler, and plumbing from three different eras. Because we handle heating, plumbing, and electrical under one roof, a boiler problem that’s really a water heater or pipe problem doesn’t turn into a second phone call.
Every service call gets tracked, and we follow up afterward to confirm the repair held. If you’ve been scrolling through results for boiler repair near you, ask each company you’re comparing how they handle that part. It tells you a lot.
Boiler troubleshooting in Newton, MA starts before anyone picks up a tool. Our tech asks what you’ve noticed: the noise, the cold radiators, the pressure that keeps dropping, and when it started. We note the boiler’s brand and age and look at the loop it feeds, because in a Newton home the cause is often a few feet from the boiler itself.
Next you get the findings in plain language, with your options and what each costs, before any work begins. You approve what you want done, and nothing starts until you do. Most repairs can be completed the same day since our trucks are stocked with common parts, and we test the system and run the safety checks before leaving.
If your job needs a permit, it goes through Newton’s Inspectional Services and its online portal. Massachusetts requires permits for boiler replacement, and Newton asks for a signed license copy and a workers’ compensation affidavit before issuing plumbing and gas permits. We’ll tell you up front whether your job needs one.
Afterward, we follow up to confirm the repair held. If your mornings start on the Green Line D or I-90, mention that when you book so scheduling and follow-up fit your day.
Ready to get started?
Every visit includes the parts of a boiler you rarely think about: the pressure relief valve, the low-water cutoff, the venting, and the water level and pressure. They’re easy to ignore in an older Newton home until something trips. On a repair call they get checked along with whatever brought you to us, and a full tune-up adds burner adjustment and a look at the heat exchanger.
That covers gas boiler repair in Newton, MA, hot water boiler repair in Newton, MA, and oil-fired systems, which are still part of the picture in many older Newton homes. Cast iron, condensing, combination, and some steam systems are all fair game, so a radiator house in Newton Highlands or Auburndale doesn’t need one company for the boiler and another for the rest.
The Dempsey Comfort Club is the ongoing version: scheduled boiler maintenance in Newton, MA plus priority scheduling for members. For a system that sits idle all summer, a visit before the first cold week is when a tired pump or sticky valve gets caught.
If the real culprit turns out to be a water heater or a leak in old piping, it’s the same company and the same visit.
Boiler repair cost depends on the part and the system, so a number before a diagnosis is a guess. For a sense of range, typical repairs run under $200 for simple fixes like a thermostat or bleeding air, $300 to $800 for circulator pump or control work, and $1,000 or more for major component failures.
Replacement is a different scale. Boilers usually last around 15 years, sometimes 20, so replacing starts to make sense when yours is past 15, keeps failing, or has a cracked heat exchanger. In a Newton house with old radiators and piping, the condition of the pipes matters to that decision as much as the boiler does.
If your boiler is working or fixable, the City of Newton’s own guidance leans toward keeping it. Its heat pump FAQ says not to discard fossil-fuel equipment that’s relatively new and fully operational, and to plan the switch for when it’s on its last legs. That’s the same approach we take: fix what’s worth fixing, and say so plainly when it isn’t.
The city also notes that Mass Save offers rebates of up to $8,500 for whole-home heat pumps installed in 2026. Those rebates are for heat pump installs, not repairs. A tech can tell you your boiler’s age and condition, and that gives you what you need to time the switch deliberately instead of during a breakdown.
A pressure gauge that reads around 12 to 15 PSI when the system is cold is normal. If you’re adding water every few weeks, something is giving. Common causes are a failing expansion tank, a relief valve that weeps, or a slow leak somewhere in the loop, and in a Newton home that leak can be in the original piping rather than the boiler.
Boiler troubleshooting in Newton, MA often ends up right there: the boiler is the messenger. Topping it off again and again hides the problem, and a slow leak can stain plaster or flooring before you notice it. Low pressure is also one reason a boiler may shut itself off, so it’s worth sorting out before the heating season starts. Have a tech trace it, and ask to be shown where the pressure is going.
Start with the simple stuff. Confirm the thermostat is set to heat, check that the boiler has power at its switch and breaker, and read the pressure gauge. If it’s well below 12 PSI when the system is cold, write the number down for your tech. Bleeding air from a radiator that’s gurgling or cold at the top is also reasonable to try.
Stop at anything involving gas, the flue, or the relief valve. If you smell gas, leave the house and call your gas utility or 911. Soot around the boiler or a CO alarm going off also means stop and call a pro. Everything past those basics is worth a trained set of eyes, and what you noted on the gauge and the thermostat will save your tech time.
A real tune-up covers the burner, the heat exchanger, the pressure relief valve and other safety controls, the venting, and the water level and pressure. That’s a checklist you can ask about, not a vague once-over, so ask whoever you hire to walk you through what they checked.
The fall restart is when Newton’s older systems get tested. A boiler that’s sat idle since spring is suddenly asked to run all day as temperatures drop, and that’s when tired pumps and valves show themselves. Booking boiler service in Newton, MA in late summer or early fall puts you ahead of that. Spring is the better time for the repair-or-replace conversation, since you can compare options when nothing is urgent.
The Dempsey Comfort Club pairs scheduled maintenance with priority scheduling and ongoing support for members. Call for current membership details, since pricing isn’t listed on this page.
It fits older Newton homes because the parts that tend to fail in them—circulator pumps, zone valves, and controls—are the same things a tune-up is meant to catch. We track every service call, so there’s a record of what’s been done to your boiler, which is useful when you’re deciding between repairing it and planning a heat pump.
If you rent out a unit, priority scheduling matters even more. About 28.5% of Newton’s housing units are renter-occupied, and a tenant without heat wants an answer fast.
Local Resources
Useful Links
Other Services we provide in Newton
