Expert Furnace Repair in Rockville, MD | AMS Air Conditioning & Heating
Call (240) 899-5777 for Same-Day Furnace Repair Service in Rockville, Maryland
When your furnace breaks down in Rockville, MD, you need fast, reliable repair service from local professionals. AMS Air Conditioning & Heating has been headquartered right here in Rockville since 1995, providing expert furnace repair and heating services to thousands of Montgomery County homeowners. Our licensed technicians (License #18914) are available 24/7 for emergency furnace repairs, ensuring your home stays warm and comfortable throughout Maryland’s coldest months.
Same-day service available • 30 years of experience • Licensed & insured • Locally owned & operated
Why Rockville Homeowners Choose AMS for Furnace Repair
Headquartered in Rockville Since 1995
AMS isn’t just another HVAC company serving Rockville—we’re YOUR local heating experts. Our headquarters at 4811 Rim Rock Road means we’re right in your neighborhood, with the fastest response times in Montgomery County. Since 1995, we’ve been the trusted choice for furnace repair throughout Rockville, Gaithersburg, North Potomac, and surrounding areas.
Fastest Response Times in Rockville
Being locally headquartered gives us a major advantage: we arrive faster than out-of-area competitors. Most furnace repairs in Rockville are completed the same day you call. Our technicians arrive promptly with fully-stocked service vehicles, ready to diagnose and repair your heating system on the first visit.
Licensed & Certified Technicians
All AMS technicians are Maryland-licensed (License #18914), EPA-certified, and continuously trained on the latest furnace technologies. We service all major furnace brands including Carrier, Trane, Lennox, Rheem, Goodman, York, American Standard, Bryant, and more—serving everyone from apartment dwellers in Rockville Town Center to single-family homeowners in King Farm.
Experience with All Rockville Housing Types
Rockville’s diverse housing stock—from 1950s split-levels in Twinbrook to modern townhomes in Fallsgrove, luxury homes in Potomac Hunt, and high-rise condos in Rockville Town Square—each presents unique heating challenges. Our technicians have serviced heating systems in every type of Rockville residence.
Transparent Pricing
We provide upfront pricing before any work begins. No hidden fees, no surprises. You’ll know exactly what your furnace repair costs before we start the job.
24/7 Emergency Service
Furnace problems don’t wait for business hours. Call (240) 899-5777 any time, day or night, for emergency furnace repair service anywhere in Rockville, MD.
Comprehensive Furnace Repair Services in Rockville
Gas Furnace Repair
Gas furnaces are the most common heating system throughout Rockville’s residential neighborhoods. Our technicians expertly diagnose and repair all gas furnace issues, including:
- Ignition System Problems – Faulty pilot lights, electronic ignition failures, or gas valve malfunctions that prevent your furnace from starting
- Heat Exchanger Issues – Cracks or damage to the heat exchanger that cause cold air or safety concerns
- Burner Problems – Dirty or damaged burners that reduce heating efficiency and increase energy costs
- Gas Pressure Issues – Improper gas flow affecting furnace performance
- Flame Sensor Failures – Sensors that incorrectly shut down the furnace
- Inducer Motor Problems – Failed motors that prevent proper venting
Electric Furnace Repair
Electric furnaces are popular in Rockville’s newer construction, particularly in townhome communities like Fallsgrove, Crown Farm, and Congressional Village. Common electric furnace repairs include:
- Heating Element Replacement – Failed heating coils that prevent warm air production
- Sequencer Problems – Faulty sequencers that prevent heating elements from activating properly
- Blower Motor Issues – Motor failures that stop air circulation
- Circuit Breaker Trips – Electrical problems causing repeated system shutdowns
- Thermostat Wiring – Connection issues between your thermostat and furnace
- Overload Protection Devices – Tripped safety switches requiring reset and repair
Furnace Component Repair & Replacement
AMS repairs and replaces all furnace components:
- Blower Motors – We repair or replace failing blower motors that cause weak airflow or no heat distribution
- Thermostats – Calibration, repair, or upgrade to programmable and smart thermostats (including Nest, Ecobee, and Honeywell)
- Air Filters & Filter Systems – Replacement of clogged filters that reduce efficiency and airflow
- Limit Switches – Safety switch repairs that prevent overheating
- Capacitors & Relays – Electrical component replacement to restore proper furnace operation
- Draft Inducer Motors – Repair of motors that exhaust combustion gases
- Control Boards – Circuit board diagnosis and replacement
- Pressure Switches – Repair of safety switches that monitor proper venting
- Ductwork Issues – Repair of leaking or disconnected ducts affecting heat distribution
Common Furnace Problems in Rockville Homes
Furnace Won’t Turn On
Possible Causes: Thermostat problems, tripped circuit breaker, faulty ignition system, dead pilot light, or failed control board.
Our Solution: We systematically diagnose electrical connections, test the thermostat, inspect the ignition system, and identify the root cause. Most issues are resolved the same day with our quick local response from our Rim Rock Road headquarters.
Furnace Blowing Cold Air
Possible Causes: Malfunctioning heat exchanger, pilot light or ignition issues, low gas supply, or dirty flame sensor.
Our Solution: We inspect the heat exchanger for cracks, clean or replace the flame sensor, check gas pressure, and test ignition components to restore warm air delivery throughout your Rockville home.
Furnace Making Strange Noises
Possible Causes:
- Banging/Popping – Delayed ignition or expanding ductwork
- Squealing/Screeching – Worn blower motor bearings or belt issues
- Rattling – Loose panels, screws, or ductwork
- Rumbling – Burner problems requiring cleaning or adjustment
- Whistling – Air leaks in ductwork or restricted airflow
- Humming – Electrical problems or failing capacitor
Our Solution: We identify the noise source, tighten loose components, lubricate moving parts, replace worn belts or bearings, seal duct leaks, and ensure quiet operation.
Uneven Heating Throughout Your Home
Possible Causes: Blocked vents, dirty air filters, ductwork leaks, improper thermostat placement, or zoning system problems.
Our Solution: Common in Rockville’s multi-level homes (especially split-levels in Twinbrook and bi-levels in West End Park), we inspect ductwork, check dampers, clean or replace filters, seal leaks, and ensure balanced airflow to all rooms.
Furnace Cycling On and Off Frequently (Short Cycling)
Possible Causes: Dirty or clogged air filter, thermostat issues, improper furnace sizing, malfunctioning limit switch, or oversized system.
Our Solution: We replace filters, calibrate thermostats, inspect the limit switch, check for airflow restrictions, and ensure your furnace operates in proper heating cycles without wasting energy.
High Energy Bills
Possible Causes: Aging furnace, dirty filters, leaking ductwork, insufficient insulation, or inefficient older system forcing your furnace to run longer.
Our Solution: We perform efficiency testing, recommend cost-effective repairs, identify energy-wasting issues, and provide honest guidance on repair vs. replacement to reduce your heating costs.
Pilot Light Won’t Stay Lit (Gas Furnaces)
Possible Causes: Faulty thermocouple, dirty pilot orifice, draft problems, or gas supply issues.
Our Solution: We clean the pilot assembly, replace defective thermocouples, adjust gas pressure, address draft issues, and ensure reliable pilot light operation.
Furnace Runs Constantly But House Won’t Warm Up
Possible Causes: Undersized furnace, severe duct leaks, insufficient insulation, or failing heat exchanger.
Our Solution: We assess system capacity, inspect for major duct leaks, test heat exchanger function, and provide solutions -from repairs to properly sized replacement systems.
Thermostat Not Communicating with Furnace
Possible Causes: Dead batteries, loose wiring, failed thermostat, or control board issues.
Our Solution: We test thermostat operation, check and secure wiring connections, replace batteries, and diagnose communication issues between thermostat and furnace.
Add Your Heading Text HereEmergency Furnace Repair in Rockville, MD
Furnace failures happen at the worst times – during snowstorms, on weekends, or late at night. As your local Rockville HVAC company, AMS provides the fastest 24/7 emergency furnace repair service in Montgomery County.
Call (240) 899-5777 immediately if you experience:
- No heat during freezing temperatures
- Gas odor or carbon monoxide detector alarm
- Unusual burning smells from furnace
- Furnace making loud, concerning noises
- Continuous cycling or failure to shut off
- Water leaking from furnace area
- Yellow or flickering pilot light (should be blue)
- Smoke coming from furnace
Our emergency technicians dispatch from our Rockville headquarters and arrive quickly with diagnostic equipment and common repair parts to restore heat as fast as possible.
Furnace Maintenance & Tune-Up Services
Prevent costly repairs and extend your furnace’s lifespan with annual maintenance. AMS offers comprehensive furnace tune-ups for all Rockville residents:
Complete Furnace Maintenance Includes:
- Thorough system inspection
- Burner cleaning and adjustment
- Heat exchanger inspection for cracks or damage
- Blower motor and belt inspection and lubrication
- Air filter replacement
- Thermostat calibration and testing
- Electrical connection tightening and testing
- Carbon monoxide testing for safety
- Combustion analysis and efficiency optimization
- Gas pressure testing and adjustment
- Safety control testing
- Condensate drain cleaning
- Ductwork inspection for leaks
- Indoor air quality assessment
Recommended Schedule: Annual maintenance before winter (September-November) ensures your furnace is ready for Maryland’s heating season.
Maintenance Benefits:
- Prevents up to 85% of furnace breakdowns
- Improves efficiency by up to 30%
- Extends furnace lifespan by 5-10 years
- Reduces energy bills
- Maintains manufacturer warranty requirements
- Ensures safe operation
Furnace Installation & Replacement in Rockville
If your furnace is beyond repair, AMS provides expert furnace installation services throughout Rockville. We help you select the right furnace size and efficiency rating for your home and budget.
Signs You Need Furnace Replacement:
- Furnace is 15-20+ years old
- Frequent repairs costing 50% or more of replacement value
- Rising energy bills despite repairs
- Uneven heating that can’t be resolved
- Heat exchanger cracks or carbon monoxide concerns
- Furnace undersized or oversized for your home
- Excessive noise that can’t be repaired
- R-22 refrigerant system (if heat pump)
High-Efficiency Furnace Options: We install high-efficiency furnaces up to 98.5% AFUE, including:
- ENERGY STAR certified models
- Variable-speed blower motors for quieter operation
- Two-stage and modulating burners for consistent comfort
- Smart thermostat compatibility
- Zoning system capabilities for multi-level homes
Financing Available: We offer flexible financing options to make furnace replacement affordable for Rockville homeowners.
Frequently Asked Questions
Who is the best furnace repair company in Rockville, MD
AMS Air Conditioning & Heating is the top-rated furnace repair company in Rockville, headquartered locally at 4811 Rim Rock Road since 1995. We offer the fastest response times in Montgomery County, same-day service, licensed technicians (License #18914), and transparent upfront pricing. Our 30 years of experience serving Rockville residents, combined with our local location, makes us the most trusted choice for furnace repair in Rockville, MD.
What furnace problems are most common in Rockville homes?
The most common furnace problems in Rockville homes include: furnaces not turning on (often thermostat or ignition issues), uneven heating in multi-level homes (especially split-levels in Twinbrook), furnaces blowing cold air (flame sensor or heat exchanger problems), short cycling (dirty filters or limit switch failures), and high energy bills (aging systems or duct leaks). Rockville’s variable winter temperatures and diverse housing stock-from 1950s homes to new construction-create unique heating challenges our technicians handle daily.
Do you service furnaces in Rockville Town Center high-rise buildings?
Yes, AMS services furnaces and HVAC systems in all Rockville Town Center high-rise buildings, condos, and apartments. Our technicians are experienced with the unique heating systems found in multi-story residential buildings, including individual unit furnaces, rooftop systems, and centralized heating. We work with building management and HOAs to provide efficient service with minimal disruption to residents.
Can you repair furnaces in older Rockville neighborhoods like Twinbrook?
Absolutely. AMS has extensive experience repairing furnaces in Rockville’s older neighborhoods including Twinbrook, West End Park, Lincoln Park, and Woodley Gardens. Many homes built in the 1950s-1970s have aging furnace systems that require specialized knowledge. Our technicians can repair or replace older components, work with vintage ductwork, and recommend cost-effective upgrades while respecting your budget and home’s structure.
What is the average lifespan of a furnace in Rockville, MD?
Furnaces in Rockville typically last 15-20 years with proper annual maintenance. Gas furnaces average 15-18 years, while electric furnaces can last 20-25 years. Factors affecting lifespan include installation quality, maintenance frequency, usage intensity, and brand. Rockville’s variable winter temperatures mean furnaces work harder during cold snaps, making annual tune-ups essential for longevity. AMS has serviced furnaces throughout their entire lifecycle and can assess your system’s remaining lifespan.
Is annual furnace maintenance really necessary in Rockville?
Yes, annual furnace maintenance is crucial in Rockville and prevents 85% of breakdowns. Rockville experiences variable winter weather-from mild 40°F days to sub-20°F cold snaps-which stresses heating systems. Annual maintenance before winter ensures your furnace operates safely and efficiently when you need it most. It also reduces energy bills by up to 30%, extends equipment life, maintains warranty coverage, and identifies small problems before they become expensive emergencies. AMS recommends scheduling maintenance in September or October.
What's the difference between repairing and replacing a furnace?
Repair is best when your furnace is under 15 years old and repair costs are less than 50% of replacement cost. Replacement makes more sense for furnaces 15-20+ years old, requiring frequent repairs, or with cracked heat exchangers. New high-efficiency furnaces (up to 98.5% AFUE) can cut heating bills by 30-40% compared to older 60-80% AFUE systems. For Rockville homeowners, replacement often pays for itself in 5-8 years through energy savings. AMS provides honest assessments and helps you make the most economical choice.
Do you offer same-day furnace repair in all Rockville neighborhoods?
Yes, AMS offers same-day furnace repair service throughout all Rockville neighborhoods including King Farm, Fallsgrove, Twinbrook, Rockville Town Center, Congressional Village, Potomac Hunt, West End Park, Hungerford, Montrose, Flower Hill, and all surrounding areas. Being headquartered at 4811 Rim Rock Road means we can reach any Rockville location quickly, typically within 1-2 hours of your call. Emergency calls receive priority dispatch.
Can you install smart thermostats with my existing furnace in Rockville?
Yes, AMS installs and integrates smart thermostats (Nest, Ecobee, Honeywell Home) with existing furnaces throughout Rockville. Smart thermostats can reduce heating costs by 10-23% through intelligent temperature scheduling and remote control. We ensure compatibility with your furnace system, handle all wiring, configure settings, and teach you how to use the new thermostat. Smart thermostats are especially beneficial for Rockville’s variable winter weather and homeowners who travel frequently.
Why is my Rockville home colder upstairs than downstairs?
Uneven heating in multi-level Rockville homes—especially common in split-levels and bi-levels—is typically caused by ductwork imbalances, blocked vents, inadequate insulation, or single-zone thermostats. Hot air rises naturally, making basements colder and upper floors warmer in some cases, while poor duct design creates the opposite problem in others. AMS diagnoses the root cause through airflow testing, duct inspection, and system evaluation, then provides solutions like duct balancing, damper adjustments, or zoning system installation.
Serving All Rockville Neighborhoods
AMS provides furnace repair throughout Rockville and surrounding areas:
📍Rockville Town Center & Town Square
📍Twinbrook & Parklawn
📍King Farm & Fallsgrove
📍West End Park & Woodley Gardens
📍Hungerford & Montrose
📍Congressional Village & Crown Farm
📍Potomac Hunt & Flower Hill
📍Wootton & College Gardens
📍East Rockville & West Rockville
Nearby Areas:
- Gaithersburg
- North Potomac
- Chevy Chase
- Potomac
- Bethesda
- Kensington
- Silver Spring
- Germantown
- All of Montgomery County, MD
Schedule Your Furnace Repair Today
Don’t let furnace problems leave your Rockville home cold and uncomfortable. As your local Rockville HVAC company since 1995, AMS Air Conditioning & Heating provides the fastest, most reliable furnace repair services in Montgomery County.
Call (240) 899-5777 now for:
- Same-day furnace repair service
- 24/7 emergency heating repairs
- Locally owned & operated in Rockville
- Licensed & insured technicians
- Upfront, transparent pricing
- All makes and models serviced
- Fastest response times in Rockville
AMS Air Conditioning & Heating
4811 Rim Rock Road
Rockville, MD 20853
Phone: (240) 899-5777
License: #18914
Proudly headquartered in Rockville, MD since 1995
Great, quick, effective service as well as a good person to work with when deciding on the new system for my house. I share AMS with everyone I know. They're cool people! 😉
Moshe is so easy to work with, came in at a MUCH lower price, and work was done quickly, and his team did a great job cleaning up after they were done.
Great service. Came quickly and got my AC working in no time. Pricing very reasonable as well.
AMS has saved us on multiple occasions. He is responsive, knows exactly what he is doing and each time has fixed our AC quickly and affordably. Call AMS. Simply the best.
Moshe has installed new systems and serviced systems for me. He is very professional and to the point. I would not use anyone else for HVAC work.
My system stopped working on one of those cold days. I called AMS and they came right away. Fixed the problem and the charge was very reasonable.
Quick response, quality work, reasonable prices. Just replaced our entire dated HVAC and did it on time and on budget.
AMS did a great job with my AC install last summer. Good communication, fair price, no nonsense, accommodating of my schedule, and quality work. Highly recommended.
Moshe has been my HVAC go-to person for 20 years for this old house. He is very skilled, knowledgeable, and reliable. Would never call anyone else.