A heating or cooling breakdown can turn your home uncomfortable fast, especially during a freezing Maryland night or a sticky summer afternoon. Mercury Home Services provides emergency HVAC services in Fallston, MD, and beyond for homeowners dealing with sudden system failures, no heat or cooling, strange noises, electrical issues, and HVAC problems that need attention before the house gets miserable.
Mercury Home Services is a family-owned HVAC contractor based in Fallston, MD, serving local homeowners with fast heating and cooling repair services. Our team specializes in urgent HVAC troubleshooting, fast diagnostics, on-the-spot repairs, and comfort-restoring solutions for heating and cooling systems that stop working when homeowners need them most.

Getting your home back to a livable temperature fast requires a team that comes prepared for any situation.

You always have a direct line to our knowledgeable staff when the unexpected happens. Completing prompt emergency HVAC repairs helps us prevent a minor mechanical failure from ruining your entire weekend.
Securing our emergency HVAC repair service right away saves you from suffering through another sleepless night. We always bring the right tools to identify broken components and get them working again during the same visit.
Waiting around for a technician to order basic replacement parts adds unnecessary delays to your timeline. Our crew drives vehicles loaded with common belts, motors, and electrical components needed to complete an emergency AC repair immediately.
A speedy emergency heating repair guarantees your family stays safe and perfectly cozy no matter what happens outside. We make it our mission to bring your indoor climate back to normal before the situation becomes unbearable.
Brutal winter freezes and massive summer heat waves push your equipment to its absolute breaking point. Our technicians brave the harshest conditions to deliver an emergency air conditioning repair when you need it most.
A house can heat up fast when the AC starts pushing out air that feels warmer than cool. Our air conditioner repairs cover airflow problems, refrigerant leaks, thermostat issues, electrical components, coils, capacitors, compressors, and unusual system noises, so your cooling can get back on track.
A worn-out cooling system can run nonstop and still leave everyone reaching for a fan. With our air conditioner replacement service, we review your home's cooling needs, help choose properly sized equipment, remove the old unit, inspect the ductwork, install the new system, and test performance before we finish.
Heat that comes and goes can make your home feel uncomfortable from room to room. Our heating repairs include service for furnaces and heat pumps, with troubleshooting for ignition issues, burner problems, airflow problems, thermostat errors, short cycling, odd noises, and components that no longer work as they should.
An older heater can reach a point where it costs more hassle than comfort. For heating system replacement, we inspect the current system, discuss smart equipment options, install the new unit, verify airflow, and ensure the controls keep your home warm without adding complexity.
Finished basements, garages, additions, and bonus rooms often need their own comfort setup. Our mini-split installation service gives those spaces quiet heating and cooling, zoned temperature control, and a clean installation that avoids major ductwork whenever possible.
Routine service helps your HVAC system work better before the weather asks too much from it. During HVAC preventive maintenance, we clean key components, inspect wiring, test electrical components, check refrigerant levels, verify voltage, review system operation, and identify minor issues that could lead to larger repairs.
A boiler that loses pressure, leaks, or leaves certain rooms cold can make comfort feel unpredictable. Our boiler services focus on existing boiler repair and maintenance, including flushing, radiator support, baseboard heating support, safety checks, and efficiency improvements.
One efficient system can handle a lot when sized and installed correctly. With our heat pump installation service, we select equipment that fits your home, install the unit, connect it to a ducted or ductless setup, and test heating and cooling performance.
Heat pumps can act up in a few ways because they operate in both warm and cold seasons. Our heat pump repairs cover defrost problems, reversing valves, compressors, sensors, electrical issues, airflow restrictions, and systems that fail to keep the house comfortable.
Oil heating equipment requires a reliable setup to deliver steady warmth in chilly Maryland weather. Our oil furnace installation service includes system sizing, equipment placement, fuel line connections, tank setup, safety checks, and code-compliant installation.
A furnace that struggles to start, smells off, or heats unevenly usually needs service before it becomes a bigger headache. For oil furnace repairs, we inspect ignition parts, clean burners, service filters, check fuel delivery, and help restore safe, reliable heat.
When your HVAC system fails, you deserve a local team that shows up ready to help, explains things clearly, and keeps the process as stress-free as possible.
Our 24/7 response gives homeowners a way to get urgent heating or cooling help when the timing couldn't be worse.
With 16+ years of hands-on experience and an unrestricted master license, our family-run team brings real trade knowledge to every service call.
Complimentary consultations and estimates help you understand your options without feeling rushed into a decision.
A 10% discount is available for active and former military members, senior citizens, nurses, and teachers.
Our partnerships with Airtemp and Bosch help us offer dependable heating and cooling equipment options when a repair leads to replacement.
We back installation labor for two years and include a 30-day callback warranty for service work.
Call for emergency HVAC services as soon as your system stops heating or cooling during extreme weather, especially if children, older adults, pets, or anyone with health concerns lives in your home. Quick service can help prevent a rough night, frozen pipes, or an overheated house.
Emergency AC repair may make sense if your AC blows warm air during a Maryland heat wave and the indoor temperature keeps climbing. Before calling, check your thermostat, breaker, and air filter. If the system still won't cool, it needs a professional look.
No heat during freezing weather, burning smells, electrical issues, loud banging, or a system that won't turn on can all count as emergency heating repair situations. A licensed HVAC contractor can inspect the equipment, find the issue, and work to restore heat safely.
Turn your system off if you smell burning, hear loud mechanical noises, see leaking, or notice electrical trouble. Keep doors and windows closed, check the thermostat and breaker only if it feels safe, and avoid touching your system because that can make the problem worse.
Call a licensed HVAC contractor for emergency HVAC repair in Fallston, MD. A local contractor can respond to urgent heating and cooling problems, diagnose the issue, and make repairs to restore the home to a livable temperature.