Top
No Payments Until May 2027. Learn More.

Air Conditioning Installation & Replacement Services in Gaithersburg, MD

Reliable Cooling Solutions For Your Home

When your air conditioner struggles on a humid summer afternoon, every room can start to feel uncomfortable fast. You want a solution that will last, not another short-term fix. CroppMetcalfe Gaithersburg is a trusted air conditioning installation company that local homeowners turn to when it is time for a new system.

Our team helps families replace failing units with properly sized, efficient equipment that fits their homes and budgets. From the first visit to the final walkthrough, we focus on clear communication and respectful work inside your home.

We regularly install new air conditioning systems in a variety of home styles found in the greater Gaithersburg area. Our technicians are trained to follow local codes, handle electrical and refrigerant work safely, and pay attention to the details that affect long-term comfort. The result is a cooler, more dependable home for the seasons ahead.

Need a new AC system in Gaithersburg? We handle seamless installations and replacements built for lasting performance. Contact our team online or call (301) 579-0110.

Repair Or Replace Your Air Conditioner

Many homeowners are unsure whether they really need a new system or if one more repair will get them through another season. Our team helps you look at the full picture before you decide on air conditioning replacement.

We start by asking about recent problems and the age of your current unit. Frequent breakdowns, loud operation, uneven temperatures, or rising energy bills can all suggest that the system is nearing the end of its useful life. If your air conditioner is older and uses outdated technology, replacement may be more cost-effective than continuing to repair it.

Common signs it may be time to consider a new air conditioner:

Read More Read Less
  • Up to $1,500 Off New HVAC System

    Lease or purchase a new system for winter.

    Offer valid on qualifying new system installations. Discount varies based on system type: $800 off Single stage systems, mini-split system, boilers, $1,000 off 2 stage systems, or $1,500 off Modulating systems. Nov 4, 2026 - Dec 31, 2026
  • No Payments Until 2027

    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 12/31/26. 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. Nov 3, 2026 - Dec 31, 2026
  • 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.
  • 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.
  • Members Exclusive: 15% Off Services and Repairs

    As a Maintenance+ member, you automatically receive discounts on all services and repairs.

    See your signed Maintenance+ Membership agreement for full terms and conditions.
  • $99 HVAC Precision Tune-Up

    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.
  • Earn Up to $1,800 in Rebates When You Purchase or Lease 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 individual rebate and cannot be combined with individual offers. Rebate offer valid from 9/19/26 until 12/4/26 and must be installed by 12/11/26 and submit claims by 1/10/27. 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 varies by Service Experts location, call your local Center for more details. Sep 19, 2026 - Dec 4, 2026
  • Member Exclusive: Extra $200 Off Installation When Upgraded to an Advantage Lease Program

    Receive an additional $200 off installation cost of new system lease

    Available to new and existing active Maintenance+ members. Customers who execute a qualifying lease agreement for a new HVAC, Indoor Air Quality, Water Heater, or Water Treatment system by December 31, 2026, and complete installation by January 7, 2027 will receive a $200 credit applied to the installation portion of the transaction. Offer cannot be combined with other installation credits unless expressly stated. Offer may be modified, suspended, or withdrawn as permitted by law. Nov 4, 2026 - Dec 31, 2026
  • Member Exclusive: $0 Diagnostic Fee with Paid Repair

    Waived diagnostic fee 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 for new and existing Maintenance+ members. See your signed Maintenance+ Membership agreement for full terms and conditions.
1 /
FAQs We’ve Got Answers to Your AC Services Questions
  • Packaged HVAC units are all-in-one HVAC systems that house an air handler and unit parts in one metal cabinet system. This is used to maximize space in a basement or garage, or on rooftops in multifamily buildings.
  • HVAC tune-ups can often be covered in most cases under a labor warranty if your system is still under warranty, but we can check to see if tune-ups are covered. Through the Advantage Program™, key services such as heat pump maintenance are included! It’s one of the most comprehensive HVAC plans around.
  • Seasonal maintenance plans are worth the investment for several reasons. Consistent maintenance keeps everything working as seamlessly as possible, which helps lower energy bills while extending your equipment’s life span.
  • Yes. Our Experts are just a short way away, whether you’re in need of a heat pump repair or replacement on a weekend day or in the middle of the night. Give us a call at (301) 579-0110 for prompt service.
  • Keeping your systems maintained will help bring costs down. Check our helpful in-depth information about keeping your systems healthy. This will tell you about proper maintenance and why it’s important.
Why Call Anyone Else? We're the Experts in Home Services

Our Gaithersburg team is ready to take care of your home service needs—with fast service and expert services that you can always rely on.