Seasonal tune-up and full diagnostic on your Carrier, Trane, or Goodman system - readings shown to you before any repair is proposed
Diagnosis first, numbers second - you approve the repair price before a single part goes in.
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AfterFast, Reliable Furnace Repair Across Baltimore
Furnace repair in Baltimore typically runs $150 – $700, and most no-heat calls can be diagnosed and fixed in a single visit. If your heat is out in a Baltimore rowhouse or a detached home in Hamilton or Mount Washington, call us at (361) 306-9515 and a live person answers, day or night. We dispatch from our Baltimore office, and our technicians know the difference between a furnace fault in a damp basement and one in an above-grade closet – because that difference changes the entire repair.
Why Dalton Heating & Air Is Baltimore’s Preferred Furnace Repair Company
Baltimore homeowners call us after they’ve been burned by a no-show or a price that changed at the door. We run every job under The Garrison Standard, which has been the operating rule at Garrison Partners since 2003. That means the price goes in writing before any work starts, the repair is guaranteed in writing for a full year, and if it fails inside that year, we return at no charge. No fine print, no upgrade pitch.
Our Baltimore customers see the difference in the details. Technicians arrive in uniform, background-checked, and inside the window we set when you booked. Call volume is handled by a real person 24/7, not an answering service that takes a message and hopes someone calls back. When your furnace dies on a January night in Parkville or Catonsville, that matters.
Marco Benitez leads our Baltimore operation and holds every tech to the same standard on every job: arrive on time, price in writing before starting, do the work by the book, leave the site clean, and stand behind it for a year. That’s The Garrison Code. It’s not a slogan. It’s the way we’ve run since day one.
Heating Repair in Baltimore
Heating Repair in Baltimore covers the full range of what stops a furnace from producing or distributing heat: failed ignitors, faulty gas valves, cracked heat exchangers, seized blower motors, tripped high-limit switches, and control board failures. A typical heating repair in Baltimore runs $150 – $700 depending on the part and the labor involved. Most repairs wrap up in one visit, and the price you approve is the price you pay, because it’s in writing before we touch a single component.
When You Need Heating Repair vs. Replacement
If the furnace is under 12 years old and the repair is under $700, repair is almost always the right call. If the heat exchanger has rusted through – and we see that regularly in damp Baltimore basements – replacement is the honest recommendation. We’ll show you what we found and give you a fixed written price for either path, then let you decide without pressure.
What a Heating Repair Call Covers
Every heating repair includes a full diagnostic pass, not just a part swap. We check the blower motor amp draw, static pressure, gas manifold pressure, and flue drafting. If your furnace keeps failing in the same spot, that usually means something upstream is stressing the part, and we fix the cause, not just the symptom.
Boiler Repair in Baltimore
Boiler Repair in Baltimore means working on hydronic systems that heat water and circulate it through radiators or baseboards. Many of the older rowhouses around Canton, Fells Point, and Federal Hill still run original boiler piping, and when those systems fail, the fix is different from a forced-air furnace. A typical boiler repair in Baltimore runs $150 – $700 depending on what’s failed, whether that’s a circulator pump, a pressure-reducing valve, an aquastat, or an expansion tank.
Common Boiler Faults in Older Baltimore Homes
Radiators that stay cold on the upper floors often point to air trapped in the lines, a weak circulator, or sediment built up at the bottom of the boiler. We bleed the system, check the pump flow rate, and flush the loop if needed. A boiler that runs but never satisfies the thermostat usually has a faulty aquastat or a zone valve that isn’t opening all the way, and that’s a repair we can diagnose on the first visit.
Boiler Repair vs. Conversion
If your boiler is 25-plus years old and leaking from the tank itself, replacement is usually cheaper over three years than repeated patch repairs. We’ll give you a fixed written price for repair and a fixed written price for conversion to forced air or a high-efficiency condensing boiler, then let you run the numbers yourself.
Trusted Brands We Service in Baltimore
Our techs are factory-trained on nine major residential HVAC brands, and in Baltimore we see a heavy mix of Trane, Lennox, Goodman, and Rheem in the field. Because so many Baltimore basements house these exact units, we keep common parts stocked locally: ignitors, flame sensors, pressure switches, blower capacitors, and control boards. That means a no-heat call in Dundalk or Rosedale doesn’t have to wait on a part shipped from a warehouse two states away. Furnace Repair on any of these brands follows the same written-price, written-guarantee rule we apply to every job.
Common Furnace Repair Problems We See in Baltimore Homes
- Rusted heat exchangers in damp basement furnaces. Baltimore’s rowhouse stock puts a lot of furnaces in basements that hold moisture all winter. That moisture corrodes the heat exchanger over time, which is a safety issue as well as a no-heat problem – if we find a crack, we shut the unit down and show you the evidence before recommending replacement.
- Tripped high-limit switches from undersized returns. Older Baltimore homes often have duct systems that were patched together over decades, with returns too small for the furnace they’re feeding. High static pressure overheats the exchanger, the high-limit trips, and the furnace short-cycles. The fix is correcting the airflow, not just resetting the switch.
- Failed ignitors and flame sensors from freeze-thaw swings. Baltimore winters cycle through wet cold and dry cold repeatedly, and that stresses electrical components. If your furnace clicks but won’t light, or lights and drops out after thirty seconds, the ignitor or flame sensor is the usual culprit – and both are replaceable parts, not a death sentence for the unit.
- Control board failures on outdoor-exposed equipment. Furnaces installed in above-grade closets or garages see more humidity swing than basement units, and condensation finds its way onto control boards. A furnace that runs but never satisfies the thermostat can be a board issue rather than a gas or airflow problem, and a proper diagnostic separates the two.
Pricing for Furnace Repair in Baltimore, MD
Here’s what furnace repair actually costs in Baltimore, in writing. Most repairs land between $150 and $700 depending on the part and the labor. A furnace tune-up runs $80 – $200 and includes a full inspection plus a written report of what we found – not a sales pitch disguised as a maintenance call. The table below shows the honest ranges for the work we do most often in Baltimore.
| Service | Typical Baltimore Price Range |
|---|---|
| Furnace repair | $150 – $700 |
| Heating repair | $150 – $700 |
| Boiler repair | $150 – $700 |
| Tune-up | $80 – $200 |
Every quote includes the full diagnostic, the labor, and the part, in writing, before we start. Call (361) 306-9515 for a free estimate on any repair – the number you get is the number you’ll pay.
We Also Serve Cities Near Baltimore
Dalton Heating & Air handles furnace and boiler work across the metro, including Catonsville, Rosedale, Dundalk, and Parkville. If you’re in one of those areas and your heat is out, the same written-pricing and written-guarantee rules apply as they do inside Baltimore. Furnace Repair in Baltimore and the surrounding beltway communities runs on the same standard – no exceptions based on zip code.
Serving Baltimore, MD - Our Local Coverage Area
We’re based in the Baltimore area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Furnace Repair in Baltimore
Short-cycling in a Baltimore rowhouse is usually an airflow problem, not a furnace problem, and it’s worth diagnosing before you spend on replacement. We got a no-heat call from a homeowner in Canton whose Carrier furnace was tripping the high-limit switch repeatedly; a static pressure test showed the return duct was undersized for the space, so the heat exchanger was overheating. We cleaned the blower motor, corrected the return, and recalibrated the thermostat to the home’s actual heat loss – the furnace stopped faulting and held temperature on the coldest nights. If your furnace is under 12 years old and the heat exchanger isn’t cracked, a $150 – $400 airflow correction beats a $3,500 – $7,500 replacement. Call (361) 306-9515 and we’ll tell you which path you’re actually on.
Most furnace repairs in Baltimore run $150 – $700, with the final number depending on whether it’s a part like an ignitor or flame sensor (on the lower end) or a control board or blower motor (on the higher end). A tune-up runs $80 – $200. You’ll get the exact price in writing before we start, and the repair is guaranteed in writing for a full year. Call (361) 306-9515 for a free estimate.
When a furnace runs constantly but the house never warms up, the problem is usually airflow, fuel supply, or a control issue rather than a dead furnace. In Baltimore’s older homes, we most often find undersized returns driving high static pressure, which cooks the blower motor and keeps the exchanger from shedding heat into the ducts. It can also be a gas valve that isn’t opening all the way or a control board that’s lost its calibration. This is a diagnostic call, not a guess – call (361) 306-9515 and we’ll find the actual cause on the first visit.
SEER2 is the updated efficiency metric for cooling, and in Baltimore’s climate it matters less for furnace season than it does for July and August, when the AC runs hard. For a furnace, the efficiency number that moves your gas bill is AFUE – and Baltimore’s wet winters mean a high-efficiency unit (90%+ AFUE) saves real money against an old 80% unit. The key is that a higher SEER2 or AFUE rating only pays off if the duct system and load calculation are right; an oversized furnace in a Baltimore rowhouse wastes efficiency no matter what the label says. We’ll run the numbers on your actual bill and show you the payoff in dollars, not percentages.
Yes, and you should refuse any contractor who skips it. Baltimore’s rowhouse square footage and duct runs are irregular compared to a suburban tract home, so guessing on sizing is how you get a furnace that short-cycles, overshoots, and dies early. A proper Manual J load calculation accounts for your home’s actual heat loss, not the square footage on the listing. That’s why our replacement quotes include the calculation – it’s not an add-on, it’s the basis for the whole job. Call (361) 306-9515 and we’ll run the numbers before you commit to anything.
Written by Marco Benitez, Owner at Dalton Heating & Air, serving Baltimore since the company’s founding in 2003.