Air Conditioning Companies in Frederick, MD

Comprehensive list of commercial and residential air conditioning companies in Frederick, MD offering installation, repair and maintenance services.

Business Listings

Welcome.We at Real Change Systems realize that buying or replacing a central Heating and Air Conditioner can be a little overwhelming. Contact us today and let us know how we can assist. Contact a friendly Real Change Service Technician today. The experts at Real Change Systems want you to feel at ease.


Since 1988, W.A. Tolbard has been delivering the Frederick Maryland area with exceptional installation and service in many kinds of interior air comfort. In addition to heating and air conditioning maintenance and installation, W.A. Tolbard sells, installs and services gas logs, gas stoves, gas inserts and gas fireplaces. We are pleased to cover the residents of Frederick County.

  • I Called them to repair my central AC. Misdiagnosed the problem three times. Services

AeroSys. is an independent equipment manufacturer, an EPA Certified Refrigerant Reclaimer and is DOT approved to re-qualify recovery cylinders. AeroSys. is comprised of two divisions, Air Conditioning Equipment and Refrigerant Reclaim Services. AeroSys is glad to announce its line of 4 and 5 ton CeilMate ceiling mounted units for commercial applications.



We absolutely LOVE Eric Smock and his staff of specialists! We can not express how extremely cheerful we're with his service and care to detail. We are advocates of his and tout his professionalism and expertise at every opportunity to neighbors and friends. Eric Smock HVAC was the most knowledgeable and thorough technician we currently have ever dealt with.


J&K Air Conditioning is a licensed and insured service and installation firm providing prompt and courteous service for repairs of all makes and models of heating and air conditioning equipment. Estimates for new equipment are free. We service all brands and models. We install and repair humidifiers and air cleaners, providing top brands and quality products, such as Aprilaire and Honeywell.

  • This is a small local company. Great service and response time. Have used them for over

If you have a comment for us, or need an answer to a specific question, we would like to hear from you. For over 63 years, The Mount Airy, Maryland area has known Van Sant Plumbing & Heating as the place for heating, plumbing and cooling services. Our expert team, unmatched range and competitive prices have helped Van Sant. gain our reputation for convenience, value and quality.


Webber's Heating and Air-Conditioning is a family run and run business serving the greater Washington DC metropolitan area. Since 2001, we currently have earned our business on integrity, honesty and affordable service, resulting in many repeat satisfied clients. We repair and service all brands of heating & cooling equipment while delivering quality workmanship and 1st rate client service.


We service all kinds of domestic heating and air conditioning equipment including heat pumps, oil furnaces, gas furnaces, thermostats, humidifiers, air conditioners, central air, heat pump helpers, hot water heaters. We provide the absolute finest service and pricing available in the area.