Professional Furnace Repair in Potomac, MD | AMS Air Conditioning & Heating
Call (240) 899-5777 for Expert Furnace Repair Service in Potomac, Maryland
Potomac’s high-value homes deserve expert heating system care. AMS Air Conditioning & Heating has been the trusted furnace repair provider for Potomac homeowners since 1995. Our licensed technicians (License #18914) specialize in maintaining and repairing the advanced heating systems found throughout Potomac’s neighborhoods, from River Road to Falls Road.
Premium service for luxury homes • 30 years of expertise • Licensed & insured • Available 24/7
Why Potomac's Leading Homeowners Trust AMS for Furnace Repair
Three Decades Serving Potomac Properties
Since 1995, AMS has been the preferred HVAC partner for Potomac homeowners. We understand that valuable properties require expert care—from multi-zone heating systems in large homes to radiant floor heating in custom-built residences. Our technicians have the experience and expertise to maintain the sophisticated heating systems that Potomac homeowners expect.
Specialized Experience with High-End Systems
Potomac homes often feature advanced heating technologies: multi-zone HVAC systems, radiant floor heating, high-efficiency modulating furnaces, and integrated smart home controls. AMS technicians receive specialized training in premium brands and complex system configurations that standard HVAC companies rarely encounter.
Professional Service Standards
We respect your home and property. Our technicians arrive in clean uniforms, use protective floor coverings, and leave your property immaculate. Professionalism, attention to detail, and clear communication are our standards for every service call.
Comprehensive Brand Expertise
From Carrier Infinity to Trane ComfortLink, Lennox iComfort to Bryant Evolution, we service all premium furnace brands. Our technicians maintain certifications with leading manufacturers, ensuring your high-end equipment receives factory-authorized service.
Licensed Maryland HVAC Professionals
All AMS technicians hold Maryland HVAC licenses (License #18914), EPA certifications, and undergo continuous training. We’re fully bonded and insured with coverage appropriate for high-value Potomac properties.
Around-the-Clock Emergency Response
Heating emergencies don’t respect your schedule. We provide 24/7 emergency service throughout Potomac, with technicians ready to respond when your home’s comfort is compromised.
Complete Furnace Services for Potomac Homes
High-Efficiency Gas Furnace Service
Potomac homes predominantly feature natural gas heating systems, often high-efficiency models with AFUE ratings of 95-98.5%. Our comprehensive gas furnace services include:
- Advanced Ignition System Service – Hot surface ignitors, intermittent pilots, and direct spark ignition systems
- Heat Exchanger Inspection – Thorough examination using video camera technology to detect micro-cracks invisible to the naked eye
- Variable-Speed Blower Calibration – Precision adjustment of ECM motors for optimal comfort and efficiency
- Modulating Valve Service – Expert repair of gas valves that adjust flame output in real-time
- Secondary Heat Exchanger Cleaning – Specialized maintenance for condensing furnaces’ stainless steel heat exchangers
- Combustion Analysis – Professional testing ensuring maximum efficiency and safety
Premium Electric Furnace Repair
Electric heating systems in Potomac townhomes and newer construction require specialized attention:
- Multi-Stage Heating Element Service – Repair and replacement of sequenced heating coils
- Electronic Control Diagnostics – Advanced troubleshooting of solid-state controls and circuit boards
- High-Voltage Circuit Testing – Safe diagnosis and repair of 240V electrical components
- Airflow Optimization – Balancing for even temperature distribution throughout your residence
Multi-Zone System Expertise
Many Potomac estates feature sophisticated zoning systems controlling temperature independently in multiple areas. AMS provides expert service for:
- Zone Damper Repair – Motorized dampers controlling airflow to different areas
- Zone Control Panel Service – Troubleshooting and repair of master control systems
- Individual Thermostat Coordination – Ensuring all zones communicate properly with the main system
- Airflow Balancing – Professional adjustment ensuring each zone receives proper heating
Radiant Heating System Service
Potomac’s luxury homes often incorporate radiant floor heating. Our technicians service:
- Boiler Systems – Repair and maintenance of hydronic heating boilers
- Circulation Pumps – Service of pumps distributing heated water through floor systems
- Zone Valves – Repair of valves controlling heat to different floor areas
- Air Purging – Removal of air pockets that reduce system efficiency
Furnace Issues Common in Potomac Properties
Inconsistent Temperature Zones
The Challenge: Large floor plans and multiple levels create heating distribution challenges. Master suites too warm while lower levels remain cool, or vice versa.
Professional Solutions: We diagnose whether issues stem from damper malfunctions, inadequate zone programming, or system capacity problems. Solutions may include recalibrating zone controls, adjusting damper positions, or upgrading to more sophisticated zoning technology.
High-End System Malfunctions
The Challenge: Premium furnaces with advanced features—two-stage heating, variable-speed blowers, WiFi connectivity—require specialized diagnostic equipment and expertise when problems occur.
Professional Solutions: Using manufacturer-specific diagnostic tools, we identify issues with communication modules, control boards, or sensor arrays. We maintain relationships with premium brand distributors for expedited parts availability.
Heat Exchanger Deterioration
The Challenge: In homes with aging furnaces (15+ years), heat exchanger cracks pose safety concerns and efficiency losses.
Professional Solutions: Video camera inspection reveals even hairline cracks. We provide honest assessments about repair versus replacement, considering your home’s value and your comfort expectations.
Inadequate Dehumidification in Winter
The Challenge: Large homes may experience dry air during heating season, causing discomfort and damage to wood furnishings.
Professional Solutions: Integration of whole-home humidification systems with your furnace, ensuring proper moisture levels throughout your residence without manual intervention.
Smart Home Integration Problems
The Challenge: Advanced thermostats (Ecobee, Nest, Honeywell) losing connectivity, failing to control multi-stage systems properly, or not communicating with furnace equipment.
Professional Solutions: Expert configuration ensuring your smart controls communicate properly with your furnace’s control board, properly staging heating for efficiency while maintaining comfort.
Insufficient Heating Capacity
The Challenge: Home additions, finished basements, or sunrooms added after original furnace installation may overwhelm system capacity.
Professional Solutions: Load calculations determine if your current furnace can handle expanded square footage, with recommendations for system upgrades or supplemental heating zones.
Outdoor Temperature Sensor Failures
The Challenge: High-efficiency systems using outdoor temperature sensors for anticipatory control may malfunction when sensors fail.
Professional Solutions: Testing and replacement of outdoor sensors, recalibration of furnace’s outdoor reset capabilities.
Condensate System Freezing
The Challenge: High-efficiency condensing furnaces produce condensate that can freeze during extreme cold, shutting down the system.
Professional Solutions: Inspection of condensate drains, installation of heat tape if needed, ensuring proper drainage during coldest weather.
Emergency Furnace Service for Potomac Residences
When your furnace fails during Maryland’s coldest nights, immediate professional response is essential. AMS provides priority emergency service throughout Potomac’s neighborhoods.
Contact us immediately at (240) 899-5777 if experiencing:
- Complete loss of heat with outdoor temperatures below freezing
- Natural gas odors anywhere near your heating equipment
- Carbon monoxide detector activation
- Unusual sounds suggesting mechanical failure
- Visible smoke or burning odors from furnace area
- System cycling rapidly without heating your home
- Standing water near high-efficiency condensing furnace
Our emergency technicians arrive equipped with advanced diagnostic equipment and maintain inventory of common replacement components for expedited repairs.
Preventative Maintenance Programs
Protecting your investment in premium heating equipment requires professional maintenance. Our comprehensive service programs include:
Annual Precision Tune-Up:
- Multi-point inspection using manufacturer protocols
- Combustion efficiency analysis with calibrated instruments
- Heat exchanger examination using video inspection technology
- Complete electrical testing including voltage and amperage readings
- Burner assembly cleaning and adjustment
- Blower wheel cleaning and motor lubrication
- All air filter replacement (including media filters if equipped)
- Thermostat accuracy verification and calibration
- Condensate drain cleaning and treatment
- Comprehensive safety control testing
- Warranty documentation and service records
Priority Service Benefits:
- Scheduled maintenance at your convenience
- Priority emergency response
- Preferred scheduling for repairs
- Detailed service documentation
- Discount on repairs and parts
- Annual efficiency reporting
Furnace Replacement for Luxury Homes
When replacement becomes necessary, AMS guides you through selecting equipment appropriate for your home’s sophistication:
Premium Furnace Features We Install:
- Ultra-High Efficiency Models – AFUE ratings up to 98.5% for maximum energy savings
- Modulating Gas Valves – Infinite flame adjustment matching your exact heating needs
- Variable-Speed ECM Blowers – Whisper-quiet operation with precise airflow control
- Smart Home Integration – Seamless connectivity with home automation systems
- Multi-Stage Heating – Two-stage or fully modulating for consistent comfort
- Advanced Air Filtration – MERV 13-16 filtration protecting your home’s air quality
- Zoning Capabilities – Independent temperature control for different home areas
Replacement Indicators:
- Furnace approaching or exceeding 20 years of service
- Repair costs approaching 40-50% of replacement value
- Declining efficiency despite regular maintenance
- Inability to maintain consistent comfort in all zones
- Excessive cycling or runtime
- Outdated technology incompatible with smart home systems
Frequently Asked Questions About Potomac Furnace Service
Which furnace brands do Potomac homeowners prefer?
Potomac homeowners typically choose premium brands known for reliability and advanced features. The most popular include Carrier Infinity series, Trane XV and XC models, Lennox Signature Collection, Bryant Evolution series, and American Standard Platinum models. AMS maintains expert-level certifications with all major manufacturers and can service any brand, including discontinued models and European imports occasionally found in custom-built estates.
How often should multi-zone systems be professionally serviced?
Multi-zone systems warrant annual professional maintenance before each heating season. The complexity of zone dampers, multiple thermostats, and sophisticated control panels means more components requiring inspection. Many Potomac homeowners opt for bi-annual service (fall and spring) to address both heating and cooling seasons, ensuring year-round reliability.
Can you integrate new thermostats with existing high-end furnaces?
Absolutely. We regularly integrate advanced smart thermostats with existing premium furnace systems. However, compatibility requires expertise—not all smart thermostats properly control multi-stage or modulating furnaces. We ensure proper wiring, configuration of advanced features, and integration with your home automation system. For homes with sophisticated control systems already installed, we work within existing frameworks.
Do you service furnaces in large estates over 10,000 square feet?
Yes. AMS regularly services heating systems in Potomac’s largest estates. Properties of this scale typically feature multiple furnaces or sophisticated zoning systems requiring coordinated service. We’re experienced with the complex HVAC infrastructure found in luxury properties, including mechanical rooms housing multiple systems, dedicated outdoor air systems, and computer-controlled building management systems.
How do I know if my furnace needs replacement versus repair?
Consider replacement when your furnace exceeds 18-20 years old, requires repairs costing more than 40% of new equipment value, can no longer maintain comfort in all zones, or has developed heat exchanger cracks. For Potomac’s luxury homes, energy efficiency is another factor—upgrading from an 80% AFUE furnace to a 98% model can reduce heating costs by 20-25%, a significant saving in large homes. We provide comprehensive assessments including long-term cost analysis.
Can you work around our schedule for non-emergency service?
Certainly. We understand busy schedules and can arrange service appointments at your convenience, including early morning, evening, or weekend availability. For maintenance and non-urgent repairs, we’re happy to coordinate with your household staff or property manager and work discretely around your family’s routine.
What makes AMS different from other HVAC companies serving Potomac?
Three key differentiators: First, our 30-year track record serving Potomac’s most discerning homeowners speaks to our service quality. Second, our technicians receive specialized training in the premium equipment and complex systems found in luxury homes—experience many companies lack. Third, our service philosophy matches Potomac’s expectations: attention to detail, respect for your property, transparent communication, and solutions that prioritize long-term performance over quick fixes.
Do you provide documentation for warranty purposes?
Yes. We provide detailed service documentation for every visit, including parts replaced, settings adjusted, and test results obtained. This documentation satisfies manufacturer warranty requirements and creates a service history valuable for home resale. Many Potomac homeowners appreciate comprehensive records demonstrating professional maintenance of major home systems.
Can you recommend upgrades improving energy efficiency?
Absolutely. Energy efficiency improvements for furnace systems include: upgrading to variable-speed ECM blower motors (saving 60-75% on blower energy), installing smart thermostats with learning algorithms, sealing ductwork (often losing 20-30% of heated air), upgrading to high-MERV filtration without restricting airflow, adding zone dampers for unused areas, and replacing aging furnaces with 95-98% AFUE models. We’ll assess your specific situation and prioritize recommendations by return on investment.
How do high-efficiency furnaces differ from standard models?
High-efficiency condensing furnaces (90-98.5% AFUE) extract more heat from combustion gases than standard furnaces (80% AFUE). They use secondary heat exchangers capturing heat that standard furnaces vent outside, creating condensation requiring drainage. Benefits include 15-25% lower fuel costs, smaller vent pipes, and quieter operation. Premium models add features like modulating gas valves and variable-speed blowers. For large Potomac homes, efficiency gains translate to substantial savings—potentially $500-1,500 annually depending on home size.
Serving Potomac's Distinguished Neighborhoods
AMS provides expert furnace service throughout Potomac and surrounding areas:
📍Potomac Village
📍River Falls
📍Avenel
📍Potomac Hunt
📍Falls Road Corridor
📍Regency Estates
📍Potomac Manors
📍Kenwood
📍Inverness Forest
Nearby Areas:
- Gaithersburg
- North Potomac
- Chevy Chase
- Bethesda
- Kensington
- Silver Spring
- Germantown
- All of Montgomery County, MD
Schedule Expert Furnace Service
Your Potomac home deserves exceptional heating system care. AMS Air Conditioning & Heating delivers the expertise, professionalism, and attention to detail that Potomac’s finest properties require.
Contact us at (240) 899-5777 for:
- Expert repair of all furnace brands and models
- 24/7 emergency service response
- Annual maintenance programs
- Premium equipment installation
- Multi-zone system expertise
- Smart home HVAC integration
AMS Air Conditioning & Heating
4811 Rim Rock Road
Rockville, MD 20853
Phone: (240) 899-5777
License: #18914
Serving Potomac homeowners 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.