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Air Conditioning Service in Columbia, MD

Serving Howard County Since 1973, Backed by ACE-Certified Technicians

CroppMetcalfe Linthicum Heights serves Columbia and the surrounding Howard County area with a full range of air conditioning services backed by ACE-certified technicians who are licensed, bonded, and insured. As a member of the Service Experts national network, we bring equipment access and technical resources a standalone contractor can’t match. Our roots in this corridor go back to 1973, and our customer support line is available 24 hours a day, 7 days a week.

Columbia summers regularly push into the upper 80s and low 90s with high relative humidity. That combination stresses cooling systems hard, and when one fails, the consequences go beyond discomfort. Heat and humidity together can become dangerous for children, elderly residents, and anyone with a medical vulnerability.

Ready to schedule air conditioning service in Columbia? Call us now at (410) 824-5809 or reach us any time, day or night.

AC Services We Provide in Columbia

We handle the full range of air conditioning work for Columbia homeowners, from a diagnostic call on a system that stopped cooling to a complete HVAC replacement. Our technicians work on both central AC units and ductless mini-splits, and they’re familiar with the older systems in Columbia’s established neighborhoods as well as the modern equipment in newer developments.

Our air conditioning services include:

  • AC Repair & Installation: Diagnostics, refrigerant service, component replacement, and full system installation sized correctly for your home’s square footage and Howard County’s humidity load
  • AC Maintenance: Annual tune-ups recommended in spring, before summer demand peaks and service slots fill; maintenance helps keep warranties valid and catches worn parts early
  • Ductless Mini-Splits: Installation, repair, and maintenance for ductless mini-split systems in homes without existing ductwork or with zoning needs
  • AC Inspections: System-wide checks that identify refrigerant issues, capacitor and contactor problems, frozen evaporator coils, airflow restrictions, and electrical component failures
  • Emergency AC Services: Same-day emergency service is available during peak cooling season when you can’t wait for a next-day appointment

Why Columbia Homeowners Choose CroppMetcalfe Linthicum Heights

ACE certification is a Service Experts credential that goes beyond a general Maryland service license. It requires rigorous training and ongoing education across HVAC systems, which means our technicians arrive with diagnostic depth that matters when Columbia’s humidity drives systems to log far more annual run-hours than equipment in more temperate markets.

The Service Experts Guarantee covers all work performed by our licensed, bonded, and insured professionals. Every piece of equipment is installed exactly as the manufacturer intends, and you receive a clear, upfront quote before any work begins. No surprise charges. No hidden fees. Our customers have given us a 4.7 average rating on Google, and we carry that standard into every service call.

Maintenance Plans & the Advantage Program

Two options are available for Columbia homeowners who want year-round protection rather than reactive repairs.

Service Experts Advantage Program
The Advantage Program provides brand-new HVAC equipment with no upfront cost, and includes full coverage for parts and labor, annual tune-ups, and priority service. Check our current offers page for available promotions tied to this program.

Maintenance+ Membership
Maintenance+ includes regular maintenance visits, priority scheduling, and discounted repairs. Members currently receive a $0 diagnostic when a recommended repair is completed and paid at time of service. See our offers page for current promotion details.

Both plans can reduce the risk of unexpected repair costs and help keep systems performing through Howard County’s demanding seasonal cycle.

Schedule Your Columbia AC Service Today

Whether you need same-day emergency service or want to get ahead of summer with a maintenance tune-up, we’re available 24 hours a day, 7 days a week to answer questions and get you scheduled.

Call CroppMetcalfe Linthicum Heights now at (410) 824-5809 to speak with a live representative and book your air conditioning service in Columbia.

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  • We’ll Make Your Payments for 6 Months

    With any new HVAC, Indoor Air Quality, Water Heater or Water Treatment Service Experts Advantage Program lease agreement, we will make your payments for the first 6 months.

    Valid on new Advantage Program lease agreements from 7/1/26 to 9/30/26. Customer owes $0 for the first six months; regular monthly lease payments begin thereafter. Early termination during promotional period will result in charges for elapsed months. See your full Advantage Program Lease Agreement for complete terms and conditions, including total lease costs and payment schedule. Jul 1, 2026 - Sep 30, 2026
  • Up to $500 off new HVAC system when bundled with water and air quality upgrades

    When you lease or purchase a new HVAC system, save up to $500 when you add qualifying water treatment or indoor air quality solutions.

    Offer available on qualifying products. $300 off when bundled with one water or indoor air quality product. $500 off when bundled with two water or indoor air quality products. Promotion must be claimed by 8/9/26 and installed by 8/15/26. Jun 24, 2026 - Aug 9, 2026
  • Earn up to $1,300 in rebates when you purchase a qualifying Lennox system

    System rebate requires the purchase of a Lennox indoor unit, an outdoor unit and a qualifying thermostat. System add-ons do not qualify for an induvial rebate and cannot be combined with individual offers. Rebate offer valid from 7/6/26 to 8/14/26 and must be installed by 8/21/26 and submit claims by 9/20/26. Rebate is paid in the form of a Lennox prepaid Mastercard ®.

    All rebate information found at https://www.lennox.com/residential/buyers-guide/offers-and-savings/promotions/. Equipment and rebate offers vary by Service Experts location, call your local Center for more details. Jul 8, 2026 - Aug 14, 2026
  • $179 Tune Up + Drain Cleaning.

    Save $245 when you bundle two essential services to prepare your home for summer.

    Offer available when both tune up and drain cleaning are scheduled. Valid at select Service Experts locations, call for more details. Jun 24, 2026 - Aug 9, 2026
  • Limited
    Time
    Offer!
    $0 Diagnostic for Maintenance+ Members

    $0 diagnostic for Maintenance+ members. Valid for new and active members. The $0 fee applies only when recommended repair is completed and paid at time of service.

    Promotion valid for service visits occurring 3/16/26 – 8/31/26. Cannot be combined with other offers. No cash value. Offer may be modified, suspended, or withdrawn at any time as permitted by law. Mar 16, 2026 - Aug 31, 2026
  • Limited
    Time
    Offer!
    Save $90 on an HVAC Precision Tune-Up. Regularly $189, now only $99

    A well-maintained system operates more efficiently, reducing energy consumption and lowering heating and cooling bills

    Offer not valid on prior purchases and may not be combined with other offers. Excludes oil furnaces; call for pricing. **Potential savings may vary depending on age and condition of equipment, personal lifestyle, system settings, equipment maintenance, and installation of equipment and duct system.
  • NEW HVAC SYSTEM as low as $155/month

    NO money down; Brand new, high-efficiency equipment; installation, regular preventative maintenance, all repairs (parts & labor), and air filters INCLUDED.

    Offer not valid on prior purchases and may not be combined with other offers. Advantage pricing applies to specific equipment. Call for details. Some exclusions apply. See the terms and conditions within the Service Experts Advantage Program Lease Agreement for additional information.
  • $99 Drain Cleaning Special. Regularly $235, Now Only $99

    Reduce buildup on your pipes, Help avoid major plumbing repairs, Maintain a clean home.

    Offer not valid on prior purchases and may not be combined with other offers. *Valid for one drain only. Accessible ground level clean. Call for more details.
  • 10% Off Any Product or Service for Active Duty, Retired, and Veteran Military Personnel

    It’s our way of thanking you for your courage, dedication, and sacrifice to protect our freedom. All work is performed by licensed experts and backed by our Service Experts Guarantee.

    Offer not valid on prior purchases and may not be combined with other offers.
  • 80% off first year’s price of an annual Plumbing Membership.

    Upgrade your membership to include plumbing coverage for only $12 for the first year*.

    Promotional plumbing add-on price; save $48 in the first year with discount. Annual membership promo price of $12 must be paid up front. After the first year, standard pricing applies (currently, $60/year). Valid at select Service Experts locations, call for more details. Jun 3, 2026 - Jul 31, 2026
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