We bring proven experience and family values.
A broken HVAC system can leave your home freezing during winter or far too warm on a summer evening when you least expect it. When your comfort is on the line, you need a dependable HVAC contractor who knows how to help quickly. At Mercury Home Services, we work with homeowners in Bel Air MD to restore reliable heating and cooling comfort.
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.
When your cooling system stops blowing cold air, struggles to move air, or starts making new sounds, our AC repair services help uncover the cause. We inspect the system, check refrigerant levels, repair leaks, test thermostat settings, and service parts such as capacitors, coils, and compressors so your home can stay comfortable.
An old AC system can struggle to keep your home cool, leaving some rooms sticky, warm, or uneven during the summer months. Our air conditioner replacement service helps by assessing your home, selecting the right system size, removing old equipment, checking ductwork, and installing a high-efficiency cooling unit.
When certain rooms stay cold, your system keeps cycling, or odd smells appear when the heat runs, your equipment may need repair. Our heating repair service covers heat pumps, gas furnaces, electric units, and oil furnaces, including burners, ignition systems, heat exchangers, thermostats, and airflow concerns.
Older heaters can become inefficient, have trouble keeping up, or turn into a frequent repair concern. Our heating system replacement process includes reviewing your setup, recommending practical solutions, installing energy-efficient equipment, checking airflow, and upgrading controls when needed so your home can warm up again fast.
Some spaces are difficult to keep comfortable, from garages and bonus rooms to additions and older homes without ducts. Our mini-split installation service helps solve those problem areas with zoned comfort, quiet operation, efficient equipment, and a clean installation that does not overwhelm your home.
Heating and cooling failures can show up when you least expect them, leaving your home too hot, too cold, or uncomfortable. Our emergency HVAC services respond to urgent breakdowns, find the cause quickly, and arrive with stocked trucks to handle many repairs during the visit.
Consistent maintenance can help your HVAC system run better and make it easier to identify issues before they interrupt home comfort. During an HVAC preventive maintenance visit, we inspect electrical components, clean important parts, check refrigerant levels, test voltage and power draw, review wiring, verify operation, and replace worn parts when needed.
Boilers are known for steady heat, but pressure issues, leaks, and cold spots can make your indoor comfort feel uneven. Our boiler services include repair work, routine maintenance, system flushing, radiator and baseboard support, and safety checks to help your heating system run more reliably.
Because heat pumps handle both heating and cooling, they can be a smart option for homes throughout our area. Our heat pump installation service includes sizing the system to your home, installing efficient equipment, and connecting it to your ductwork or ductless setup for steady comfort.
If your heat pump cannot shift modes, blows air that does not match the setting, freezes over, or runs too often, it may be time for repairs. We address compressors, reversing valves, sensors, defrost cycle trouble, airflow problems, and electrical concerns to support heating and cooling performance.
Many homes still benefit from oil heat because it provides strong, steady comfort through colder seasons. Our oil furnace installation service includes correct system sizing, equipment installation, fuel line and tank setup, and code-compliant work that supports safe and reliable heating.
If your oil furnace is acting up, worn burners, ignition parts, filters, or fuel-delivery components may be the cause. Our oil furnace repairs focus on cleaning and servicing the system, correcting burner and fuel issues, improving efficiency, and helping restore steady heat without overcomplicating the work.
In Bel Air, MD, uneven cooling may be caused by duct issues, poor airflow, thermostat placement, or aging equipment, and Mercury Home Services can find the best fix.
In Bel Air, MD, AC replacement may be the right choice when the system is unreliable, needs frequent repairs, or struggles on hot days, and Mercury Home Services can guide the process.
In Bel Air, MD, homeowners can check the thermostat and breaker first, then contact Mercury Home Services for emergency HVAC service if the heating system does not restart.
In Bel Air, MD, routine HVAC maintenance can improve airflow, temperature consistency, and reliability, and Mercury Home Services can tune the system for year-round comfort.
In Bel Air, MD, Mercury Home Services provides boiler service for troubleshooting, maintenance, and repairs on hydronic heating systems used throughout the home.
Humidity can make AC trouble feel urgent, especially when your system starts blowing warm air or struggling to cool. We diagnose weak airflow, strange noises, refrigerant leaks, thermostat issues, worn capacitors, coil concerns, and compressor problems so your cooling system can get back on track.
An outdated AC that keeps failing or leaves certain rooms too warm may be ready for replacement instead of another repair. We evaluate your current cooling system, size the new unit for your home, remove old equipment, check the ducts, install a high-efficiency AC system, and test operation before we finish. Heating issues should not wait because minor problems can affect comfort quickly. We repair heat pumps, gas furnaces, electric furnaces, and oil furnaces by reviewing burners, heat exchangers, ignition systems, thermostats, airflow, strange noises, short cycling, and other heating concerns.
Glenangus in Bel Air, MD, is known for upscale homes, attractive properties, and homeowners who expect dependable comfort. Mercury Home Services provides professional air conditioner repairs that help Glenangus residents keep larger homes cool and comfortable during Maryland’s humid summer season.
Foxborough Farms in Bel Air, MD, is a desirable neighborhood with well-kept homes and a strong residential reputation. Mercury Home Services, a trusted HVAC contractor, offers air conditioner repairs that help homeowners restore cooling and prevent small AC issues from becoming major problems.
West Riding in Bel Air, MD, offers established suburban living with homeowners who value reliable home systems. Mercury Home Services provides air conditioner repairs for West Riding residents dealing with uneven cooling, thermostat problems, airflow concerns, or sudden AC breakdowns.
Contact us to review your HVAC concerns, and we’ll schedule a visit for 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.