Furnace Repair in Hyattsville, Maryland
Prince George's County · 24 hour emergency service
Furnace repair and installation in Hyattsville, from the 1900s houses in the historic district to the newer townhouses along Baltimore Ave. When the heat quits on a January night we start with safety, not with a sales conversation: combustion, venting and carbon monoxide come before anything else.
Why people here call us.
Most Hyattsville furnace calls arrive in one of two shapes. Either the heat stopped overnight and the house is dropping a degree an hour, or the furnace is still running but it is thirty years old, the burner flame rolls when the blower starts, and the homeowner wants to know whether it is worth one more winter. Both deserve the same first step.
Before we quote a part or a system we confirm the furnace is safe to operate: we test for carbon monoxide in the living space, run a combustion analysis at the flue, measure draft, and look hard at the heat exchanger. Hyattsville has a lot of gas heat on the Washington Gas system, a fair number of electric furnaces, and a scattering of houses converted off oil decades ago, so the equipment in the basement is rarely what the house started with.
None of it was documented, so we verify on site. A no-heat call here is often the first honest look anyone has taken at that whole chain of conversions.
What Hyattsville homes ask of this job.
The Hyattsville Historic District along Hamilton St, Jefferson St and the blocks near Route 1 holds Queen Anne, foursquare and craftsman houses from the 1890s through the 1920s. They were built for coal, moved to oil, and were converted to gas forced air or a heat pump somewhere along the way, and the venting usually did not get rebuilt at the same time.
A modern induced draft furnace connected to a tall unlined masonry chimney sized for a coal boiler is a common find in 20781 and 20782, and that flue runs cold, condenses and causes draft problems. The 1930s through 1950s brick colonials and capes in University Hills, Queens Chapel Manor, Kirkwood and Castle Manor are more straightforward: a basement furnace, a trunk and branch duct system, and either a chimney or a side wall vent depending on when the last replacement happened.
Around West Hyattsville and the Ager Road corridor, older garden apartment buildings run their own mix of through-wall units and small furnaces. Then the Gateway Arts District townhouses along Baltimore Ave arrive with sealed combustion equipment and PVC venting through a side wall, a different set of problems entirely.
The problems that keep coming up.
- Hot surface ignitors and flame sensors failing on the first genuinely cold night, so the furnace tries three times, locks out, and the house is cold by morning.
- Cracked heat exchangers found during combustion testing on furnaces vented into old historic district chimneys, where years of condensation have worked on the metal from the flue side.
- Pressure switches tripping because a flue or vent connector has partially blocked, often with debris or a chimney liner that has started to fail.
- Draft inducer motors getting loud and then seizing on twenty year old furnaces in basements off Jefferson St and Farragut St.
- Limit switches short cycling the furnace on restricted airflow, usually a filter nobody could reach behind the ductwork or a return starved by a closed off room.
How the appointment runs.
A furnace visit here starts at the thermostat and ends at the flue termination. We read the control board fault history, check ignitor resistance and flame signal, measure gas pressure at the manifold with a manometer, and check temperature rise across the heat exchanger. Then combustion analysis at the flue, a draft check, and a carbon monoxide reading in the living space.
In the historic district houses the basement stairs are narrow and the mechanical area is often a corner behind stored belongings, so clearing a path before we arrive saves time. Where the furnace vents into a shared masonry chimney with a water heater, we test both, because pulling an old furnace off that chimney can leave the water heater unable to draft on its own. If we find a cracked heat exchanger or a carbon monoxide problem, we tell you plainly and we shut it down.
What decides the scope here.
Nearly every furnace in the Hyattsville historic district is the third or fourth heating system that house has had, and each previous change left something behind that shapes the current job. The masonry chimney is the clearest example. It was built for a coal appliance, relined or not when the house went to oil, and inherited by a gas furnace afterward.
When that furnace is replaced with a high efficiency model venting through a sidewall, the water heater is left alone in a flue far larger than it needs, which is an orphaned appliance and a genuine draft and combustion safety issue rather than a detail to note later. It has to be solved as part of the same job.
Combustion air is the second recurring item, because a furnace in a coal cellar that has since been finished into living space may no longer have the air it needs to burn. On parts, igniters, flame sensors, pressure switches, limits and thermostats are on the truck and most no-heat calls end with heat. Inducers, gas valves and control boards are ordered, and on equipment past about fifteen years old availability is a real consideration rather than a sales argument.
When this goes wrong in Hyattsville.
The first genuinely cold night in November is the annual event here, and older houses feel it faster. Plaster over lath with little or no wall insulation loses heat quickly, so when a furnace stops in a Hyattsville foursquare the house cools at a rate that surprises people who moved from newer construction. The January cold snap is the second wave, when equipment that has been coping all winter stops coping.
Both are predictable, which is the whole argument for a fall check in September or October rather than a discovery at eleven at night in January. There is a specific reason a fall check matters more in this housing stock than elsewhere: combustion analysis, a heat exchanger inspection, a draft test and a carbon monoxide check are the things that catch a chimney or venting problem, and chimneys in these houses have been asked to serve three different generations of appliance. Summer does its own quiet damage, since a damp Maryland basement corrodes burners and heat exchanger surfaces while nobody is looking.
Working in Hyattsville.
Home Comfort Air Services is family owned, founded in 2014 by Yosef, who worked as a service technician before he started the company. Our office is at 9737 Mount Pisgah Rd in Silver Spring, so Hyattsville is a short run down New Hampshire Ave or East-West Hwy, not a distant service area we advertise into.
Our technicians are NATE certified, we are an ACCA member, BBB accredited with an A+ rating, and Carrier authorized, and we run 24-hour emergency service for the nights when heat actually fails. Current offers are $150 off a complete new heating and cooling system and 10% off any repair for military members and senior citizens. Maryland HVACR license MD70918.
Common questions.
My house is in the historic district. Can I still get a high-efficiency furnace?
Usually yes, because a 90-plus percent furnace does not use the chimney at all. It vents through PVC out a side wall or up through the roof, so we need a route that works and a termination that suits the exterior. On some homes here that is easy, on others it pushes the decision toward an 80 percent furnace or a heat pump.
Should I replace my old furnace with a heat pump instead?
It is a real option here and worth pricing side by side. A modern heat pump handles most of our winter on its own and gives you cooling from the same equipment, which matters in older houses that already struggle in August. The counterweight is your electrical service and your ductwork, since plenty of pre-1930 houses have neither one ready for it.
What rebates or credits apply to a furnace replacement here?
It depends on the equipment. Washington Gas and the EmPOWER Maryland programs have efficiency offerings on the gas side, Pepco has residential rebate programs that apply on the heat pump side. We participate in the Pepco and BGE residential rebate programs and will tell you what your equipment qualifies for. Rules change, so we check them current.
After my furnace was replaced, only the water heater uses the chimney. Is that a problem?
It can be, and it is worth checking rather than assuming. A masonry flue sized for a furnace and a water heater together is oversized for the water heater alone, and an oversized cold flue can fail to establish draft, which means combustion products looking for another way out. The usual remedies are relining the chimney to the correct size for the remaining appliance, or moving the water heater to a power vented or direct vented model. A draft test will tell you where you actually stand rather than leaving it to guesswork.
What is the old material wrapped around my ducts and heating pipes?
In houses of this era it is frequently original insulation from the coal or oil systems, and some of it can contain asbestos. We do not disturb it and we do not test it. If our work would require touching it, we stop and tell you, and the next step is testing and, where needed, removal by a licensed abatement contractor. Left undisturbed and intact it is generally not a live problem. We would rather pause a job than create one.
Does replacing a furnace here need a permit?
Yes, and in Hyattsville it goes through Prince George's County. Furnace replacement is permitted mechanical work and the installation is inspected afterward. That inspection is a second set of eyes on gas piping, venting and vent slope, combustion air and clearances, which in a house with this much heating history is genuinely worth having. We pull the permit and schedule the inspection as part of the job, stated in the written price. Historic district review is separate and applies to exterior appearance rather than to mechanical work.