Residential HVAC Services for Frederick County, Howard County, and Montgomery County, Maryland

Residential Heating & Cooling System Services

Mathers Mechanical is a one-stop solution for all aspects of residential HVAC services. We offer our customers a turnkey solution from initial system design and product purchases to installation, routine maintenance, and repair. Whether you’re looking for a new or replacement heating or air conditioning unit or system to be installed, or if you just need repairs or maintenance work on your existing equipment, we’re here help.

Better Smarts & Better Parts

Our licensed technicians can install or repair any heating and cooling system brand on the market today. In fact, we’re constantly training our staff and upgrading our skills to stay current with trends and heating and cooling technology for homes and businesses. For example, we receive training for the Mitsubishi Diamond Contractor program in order to offer our customers the latest and greatest in split duct and ductless systems. Mathers Mechanical is a fully insured company that holds Master licenses in MD/DC/VA –and one of the very few certified Diamond contractors in the area.

With state-of-the-art brand name equipment and quality workmanship, our fast and experienced technicians get the job done. We provide you with the latest technology and top-of-the line equipment while still keeping your repair, service, or installation affordable. Our knowledgeable staff will answer all of your questions so you can understand how your system works, how you can save on energy, and more.

To request our services, you can get started with a quote using our easy form on the top, right side of this page or call us today at


To make your service even more affordable and easy, take advantage of our special offers.

  • Rebates
  • Coupons

Types of Services Offered

  • Consultations & Estimates
  • Analysis
  • New System Design
  • HVAC Engineering, Design / Build Services
  • Service Plans
  • Energy Management Plans
  • Complete Retrofitting
  • Equipment Procurement, Installation & Replacement
  • Maintenance
  • Seasonal Tune-Ups
  • Preventive Maintenance
  • Repair
  • One Hour Appointment Window




Click here to view the areas that we serve

Mathers Mechanical Regions Served

Conveniently based out of Frederick County, Maryland, our team is ready to offer prompt service to these surrounding areas.

  • Frederick County: Frederick (21701, 20702, 21703, 21709), New Market (21774) , Mount Airy (21771), Urbana (21704), Ijamsville (21754), Walkersville (21793), Libertytown (21762), and more.
  • Carroll County: Eldersburg (21784), Sykesville (21784), Union Bridge (21791), and more.
  • Howard County: Clarksville (21029), Columbia (21044), Cooksville (21723), Dorsey (21075), Elkridge (21075), Ellicott City (21043), Fulton (20759), Glenelg (21737), Glenwood (21738), Granite (21163), Hanover (21076), Highland (20777), Jessup (20794), Lisbon (21765), Marriottsville (21104), North Laurel (20723), West Friendship (21794), Woodbine (21797), Woodstock (21163), and more.
  • Montgomery County: Olney (20832), Damascus (20872), Laytonsville (20882), Clarksburg (20871), and more.

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