For dependable HVAC services across Northern Virginia and Maryland, including Alexandria, Springfield, Woodbridge, Falls Church, Arlington, Fairfax, Stafford, Fauquier, Warren, and surrounding areas in VA, as well as Montgomery, Prince George’s, and Charles counties in MD, call on McCarthy Services to get the job done right.
Our highly trained staff of local home comfort specialists will make the necessary repairs or replacements, ensuring your home stays comfortable. We provide industry-leading HVAC services, along with exceptional customer service.
Why Choose McCarthy Services?
- Expert Technicians & Plumbers: Background-checked and drug-tested for your safety.
- Emergency Services Available: Ready to respond to urgent HVAC issues.
- Upfront Pricing: Honest cost estimates before work begins—no hidden fees.
- Flexible Financing: Payment options available to fit your budget.
Call us today or book your appointment online now!
Reputable HVAC Repair & Installation in VA & MD
Whether it's a scorching summer day with no AC or a cold winter night with no heat, we provide complete HVAC services to keep your home comfortable.
Our services include:
- AC repair & installation
- Heating repair & installation
- HVAC tune-ups & maintenance
Indoor Air Quality Services
We offer additional services to improve your indoor air quality:
- Duct cleaning
- Air purification systems
- Carbon monoxide detectors
Frequently Asked Questions
Can I call for HVAC repair service over the weekend?
Yes! We are open 7 days a week, ready to dispatch an expert to your home.
Why should I choose McCarthy Services?
All employees undergo background checks and drug tests. We treat your home with respect and guarantee your satisfaction.
Careers at McCarthy Services
We are always searching for talented individuals to join our team. Available positions include:
- HVAC Service Technicians
- Sales Consultants
- Customer Service Representatives
Our Service Areas
Virginia
Alexandria, Arlington, Springfield, Woodbridge, Falls Church, Fairfax, Loudoun, Prince William, Manassas City, Stafford, Fauquier, Orange, Culpeper, Warren, Rappahannock, Shenandoah, Frederick, Clarke, Madison.
Maryland
Montgomery County, Prince George’s County, Charles County.
Contact Us Today!
Need HVAC services in Virginia or Maryland? Call McCarthy Services today!
ARS/Rescue Rooter is a proud supporter of St. Jude Children's Research Hospital and its mission: Finding cures. Saving children.®. Learn more about our partnership here.
Special Offers
Save Up to $300 on a New Water Heater
Purchase and Install of qualifying water heater required. Valid only for residential customers. Not valid with any other offers, discounts, or on prior sales. Void if copied or transferred and where prohibited. Any other use may constitute fraud. Cash value $.001. Offer expires 12/31/2025
Lic VA #2705142947A, MD Electrical #14694, MD HVAC .01-117642, MD Licensed Plumber/Gasfitter #118001, WSSC Licensed Master Plumber/Gasfitter PFG-82948, DC PC40000035, RC40000044, WV034354
Act Now to Save up to $4500 on a New HVAC – available Tax Credits End 12/31/25!
Purchase and installation of qualifying HVAC system required. Up to $3,200 in Federal tax credits on select systems. Homeowner is responsible to consult with a tax advisor on eligibility. Valid only for residential customers. Not valid with any other offers, discounts, or on prior sales. Void if copied or transferred and where prohibited. Any other use may constitute fraud. Cash value $.001. Offer expires 12/31/2025.
Lic VA #2705142947A, MD Electrical #14694, MD HVAC .01-117642, MD Licensed Plumber/Gasfitter #118001, WSSC Licensed Master Plumber/Gasfitter PFG-82948, DC PC40000035, RC40000044, WV034354