Our experienced crew delivers skilled home care.
No one wants to start the day in a freezing house or spend the night sweating because the HVAC system suddenly shuts down. When comfort becomes a concern, you need a dependable HVAC contractor who can handle the problem quickly. Mercury Home Services works with homeowners in Randallstown MD to bring steady indoor temperatures back.
As of May 2026, we’re proud to have a 4.6-out-of-5-star rating on Google, and we appreciate every homeowner who takes the time to share their experience. See what your neighbors have to say about working with our HVAC contractors.
An AC that blows warm air, has reduced airflow, or makes strange noises should not be ignored. Our repair services help diagnose the problem before more damage occurs. We check refrigerant levels, repair leaks, test thermostats, and repair or replace components like capacitors, coils, and compressors.
An AC that has reached the end of its life can make your home feel sticky, warm, and uneven during the hottest months. With our air conditioner replacement service, we evaluate your home, size the new system correctly, remove old equipment, inspect ducts, and install a high-efficiency unit.
When the heat feels uneven, the system cycles too often, or strange smells come from the vents, your equipment may need service. Our heating repairs include heat pumps, gas furnaces, electric furnaces, and oil furnaces, along with burners, ignition systems, heat exchangers, thermostats, and airflow concerns.
When your heater is outdated, it can struggle with comfort, use extra energy, or require repeated service calls. Our heating system replacement service reviews your current setup, recommends practical options, installs energy-efficient equipment, checks airflow, and upgrades controls as needed to restore warmth.
Garages, additions, bonus rooms, and older homes without ducts often need targeted heating and cooling instead of a whole-home overhaul. Our mini-split installation service provides zoned comfort with quiet, efficient equipment and a clean installation that helps keep your home orderly.
Heating and cooling systems can fail when timing is anything but convenient. Our emergency HVAC services help when your comfort drops unexpectedly. We respond to urgent problems, find the cause promptly, and bring well-stocked trucks to complete many repairs right away.
Preventive HVAC service helps your system run more smoothly and gives us a closer look at small issues before they become bigger concerns. We inspect electrical components, clean key parts, check refrigerant, test voltage and power draw, review wiring, verify system operation, and replace worn parts as needed.
Boilers can be dependable heating systems, but leaks, pressure issues, and uneven heat can quickly make your home feel uncomfortable. Our boiler services cover repairs, maintenance, flushing, radiator and baseboard support, and safety checks to help your system run with greater reliability.
For homeowners who want heating and cooling from one system, a heat pump can be a practical option in our area. Our heat pump installation service includes correct system sizing, efficient equipment installation, and connection to existing ducts or ductless equipment for year-round comfort.
A heat pump should handle both seasons, but trouble switching modes, wrong air temperatures, ice buildup, or nonstop operation can affect comfort. Our repairs include compressors, reversing valves, sensors, defrost cycle issues, airflow problems, and electrical concerns, so the system can pull double duty again.
If your home needs strong heating performance in cold weather, oil heat may still be a practical option. Our oil furnace installation service includes sizing the system, installing equipment, setting up fuel lines and tanks, and completing code-compliant work for safe operation.
A faulty oil furnace may be dealing with burner trouble, ignition component failure, filter problems, or fuel-delivery issues. Our oil furnace repairs include cleaning and service, burner and fuel system support, efficiency improvements, and help restoring consistent heat without making the job feel overwhelming.
In Randallstown, MD, musty AC odors may come from moisture buildup, dirty coils, clogged drains, or duct issues, and Mercury Home Services can inspect the system.
In Randallstown, MD, a furnace that keeps shutting off may be overheating, airflow restricted, or sensing a safety issue, and Mercury Home Services can repair it.
In Randallstown, MD, HVAC replacement can improve uneven comfort when old equipment no longer distributes heating or cooling effectively, and Mercury Home Services can help.
In Randallstown, MD, mini-splits are useful for home offices because they provide room-by-room comfort, and Mercury Home Services can install quiet ductless equipment.
In Randallstown, MD, emergency HVAC service from Mercury Home Services focuses on urgent diagnostics, safety checks, and repairs for sudden heating or cooling failures.
If your AC has other plans during a humid day, comfort can disappear fast. We diagnose warm air, weak airflow, strange noises, refrigerant leaks, thermostat trouble, worn capacitors, coil issues, and compressor problems so your cooling system can get back to handling the heat.
When your older AC keeps breaking down or fails to cool the house evenly, replacing it can be a practical path forward. We evaluate your existing equipment, size the new unit for the space, remove the old system, check ductwork, install a high-efficiency AC system, and test all operations before the project is complete. Heating problems should receive quick attention because small faults can leave your home cold quickly. We repair heat pumps, gas furnaces, electric furnaces, and oil furnaces by checking burners, heat exchangers, ignition systems, thermostats, airflow, odd sounds, short cycling, and more.
Hernwood Heights in Randallstown, MD, is a residential neighborhood with many homeowners who rely on dependable air conditioning in the summer. Mercury Home Services provides professional air conditioner repairs that help restore comfort, improve airflow, and keep cooling systems working when they are needed most.
Marriott's Choice in Randallstown, MD, is a well-regarded residential area with established homes and a homeowner-focused setting. Mercury Home Services supports residents with expert HVAC contractor service and reliable air conditioner repairs for cooling problems, large and small.
Crown Estates in Randallstown, MD, offers suburban residential appeal with homes that benefit from dependable cooling and timely HVAC care. Mercury Home Services helps local homeowners address AC breakdowns and performance issues with professional air conditioner repairs.
Contact us about your comfort concerns, and our team will come by to offer a free consultation.
Business Name: Mercury Home Services
Address: Fallston, MD 21047
Phone: 443-616-1589
Business Hours:
Mon - Fri: 09:00 AM to 05:00 PM
Sat-Sun: Closed
Emergency calls Saturday and Sunday
10% off for active and former military.
10% off for senior citizens.
10% off for nurses.
10% off for teachers.
2-year labor warranty on any installations. 30-day call-back warranty for service work.