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Rockville, MD

12324 Wilkins Avenue
Rockville, MD 20852-1828

HEADQUARTERS

(301) 881-2700

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Serving Maryland and Virginia since 1957 with top-tier residential and commercial HVAC solutions.

Our Locations

Find a service center near your neighborhood.

Columbia/Elkridge, MD

6725 Santa Barbara Ct, Ste 101
Elkridge, MD 21075

Frederick, MD

183 East South Street
Frederick, MD 21701

Fairfax, VA

2816 Dorr Avenue
Fairfax, VA 22031

Annapolis, MD

1526 Jabez Run
Millersville, MD 21108

Columbia/Elkridge, MD

6725 Santa Barbara Ct, Ste 101
Elkridge, MD 21075

Fairfax, VA

2816 Dorr Avenue
Fairfax, VA 22031

Gaithersburg, MD

7921 Queenair Dr, Ste 106
Gaithersburg, MD 20879

Frederick, MD

183 East South Street
Frederick, MD 21701

Annapolis, MD

1526 Jabez Run
Millersville, MD 21108

Sterling, VA

22570 Glenn Dr, Ste 7
Sterling, VA 20164

Efficient & Reliable Ductless Mini-Split Heating System Services

Complete Installation and Repair in Maryland, Northern Virginia, and Washington, DC

If your ductless system is struggling to warm your rooms, it’s time to call B&B Air Conditioning & Heating Service. We provide reliable ductless mini-split heating system installation and repair across the DMV to restore efficient, room-by-room comfort.

Warning Signs Your Ductless Mini-Split Heating System Needs Attention

Ductless systems often show early warning signs before performance drops completely.

Contact us if you recognize these indicators:

Refrigerant leak or low refrigerant levels

Frequent on-off cycling or delayed startup

Airflow feels weak or uneven across the room

Unusual noises from the indoor or outdoor units

Burning or unusual odors detected when the system is running

Prompt ductless HVAC repair can help you prevent compressor damage, electrical issues, and unexpected breakdowns.

Efficient Ductless Mini-Split Installation and Repair for DMV Homeowners

B&B Air Conditioning & Heating Service provides complete ductless mini-split heating system installation and repair solutions for you, including:

Multi-zone system design and configuration

Diagnosis and repair of ductless HVAC issues

Expert guidance on system capacity and layout

New ductless mini-split heating system installation

Help you navigate the financing options for your replacement

We approach every ductless HVAC project with precision, whether it’s a multi-zone system in a spacious suburban home with flexible outdoor unit placement or a compact apartment where space and building restrictions require careful planning.

Why Locals Across Maryland, Virginia, and DC Rely on B&B for Ductless Mini-Split Heating

When it comes to ductless mini-split heating systems, experience matters. With B&B, you get:

  • Transparent pricing with no hidden fees
  • Dependable service throughout the region
  • Skilled and fully certified HVAC professionals
  • Prompt technicians and hassle-free appointments
  • Recommendations focused on your home’s needs
  • More than six decades of hands-on HVAC experience

Our long-standing reputation is built on doing the job right, not rushing installations or cutting corners.

Energy-Efficient Heating with Ductless Mini-Split Heating Systems

Whether you need a new installation or repair of an existing system, these systems offer clear benefits:

Improves indoor air quality with filters

Lower energy consumption for cost savings

Individual zone control for customized comfort in each space

Quiet, low-profile indoor units that blend seamlessly into any room

Our experts help match the right system to your home’s needs to deliver lasting comfort and dependable performance.

Frequently Asked Questions

Are ductless heating systems good for older homes?

Absolutely. Ductless systems are perfect for homes without ducts and allow for non-invasive installation with minimal modifications.

Why is my ductless mini-split blowing cold air in heating mode?

This can happen due to defrost mode, ice or debris on the outdoor unit, or a refrigerant or sensor issue. If cold air persists, professional service is recommended to prevent further damage.

How much does ductless HVAC installation or repair cost?

Costs vary based on system size and the issue involved. We provide transparent pricing and clear recommendations.

Do you offer emergency ductless HVAC repair?

Emergency heating services are available based on technician availability, with fast response times and same-day service whenever possible, especially during cold weather.

Schedule Trusted Ductless Mini-Split Service Today

Maintain consistent comfort in every room and avoid costly breakdowns with professional ductless mini-split installation and repair.