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      Furnace Heaters in Knoxville, MD

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      1. Nathan's Heating and Air Conditioning

      Nathan's Heating and Air Conditioning
      301-525-2770Call Now
      Furnaces-HeatingAir Conditioning Service & RepairHeating Contractors & Specialties

      Serving the Knoxville Area

      OPEN 24 HOURS

      From Business: I have been in the HVAC business for 21 years, which means that I apply my knowledge and skill to every service call we go to.

      $20 off service call
      View 1 more

      2. Three Rivers Heating & Air Conditioning

      Three Rivers Heating & Air Conditioning
      301-471-5709Call NowVisit Website
      5.0
      5.0
      Furnaces-HeatingAir Conditioning Contractors & SystemsAir Conditioning Equipment & Systems

      Serving the Knoxville Area

      "Highly recommended! They came out the same day I called and fixed my AC. Very professional and went above and beyond what I expected. Please do not hesitate to use them! You…"

      YP
      41 Years
      in Business

      4. Sears Home Improvement Roofing Systems

      Sears Home Improvement Roofing Systems
      301-662-7232Call NowVisit Website
      Furnaces-HeatingWindowsBoiler Dealers

      Frederick, MD 21702

      CLOSED NOW:8:00 am - 12:00 am

      From Business: Let Sears Home Services handle your home improvement needs. Whether you’re updating your heating and cooling system, fixing a leaky roof or creating your dream kitchen, our…

      5. Advanced Service Air Conditioning & Heating

      Advanced Service Air Conditioning & Heating
      301-371-8807Call NowVisit Website
      Furnaces-HeatingHeating Contractors & SpecialtiesGeothermal Heating & Cooling Contractors

      Middletown, MD 21769

      CLOSED NOW:7:00 am - 3:00 pm

      From Business: Advanced service repairs and installs various brands of AIR conditioning and heating systems depending upon OUR customers needs.

      YP
      34 Years
      in Business

      8. Air Mechanical Systems

      Air Mechanical Systems
      301-694-5340Call Now
      5.0
      5.0
      Furnaces-HeatingAir Conditioning Service & RepairMajor Appliances

      Serving the Knoxville Area

      "Showed up when they said they would."

      YP
      50 Years
      in Business

      10. Harrell's Services

      Harrell's Services
      301-432-8004Call NowVisit Website
      Directions
      Furnaces-HeatingHeating Contractors & SpecialtiesPumps-Service & Repair

      18809 Burnside Bridge Rd, Sharpsburg, MD 21782

      CLOSED NOW:7:00 am - 3:30 pm

      From Business: We are a family owned HVAC company that originated in 1989 when Ronnie Harrell and Diane Harrell purchased a well pump and water system business from a gentleman that was…

      YP
      36 Years
      in Business

      11. Frederick Heating & Air Conditioning

      Frederick Heating & Air Conditioning
      240-674-0814Call NowVisit Website
      Directions
      Furnaces-HeatingHeat PumpsAir Conditioning Equipment & Systems

      4801 Broad Run Rd, Jefferson, MD 21755

      CLOSED NOW:7:00 am - 7:00 pm

      From Business: Frederick Heating & Air Conditioning was founded in 1994 by Michael T. Remsburg. We offer quality heating and air conditioning services to all of Frederick County, MD and…

      YP
      31 Years
      in Business

      14. Harris Heating & Cooling

      Harris Heating & Cooling
      301-228-0635Call Now
      Directions
      5.0
      5.0
      Furnaces-HeatingPlumbersHeating Equipment & Systems-Repairing

      7818 Edgewood Church Rd, Frederick, MD 21702

      OPEN 24 HOURS

      "Outstanding people, know what they are doing and did not cost me an arm and leg. Highly Recommend........"

      YP
      45 Years
      in Business

      15. Thor Contracting

      Thor Contracting
      304-315-2656Call Now
      Directions
      Furnaces-HeatingAir Conditioning Contractors & SystemsHeating Contractors & Specialties

      1155 Mare St, Ranson, WV 25438

      CLOSED NOW:8:00 am - 5:00 pm

      From Business: Plumbing,Heating, Air Conditioning, Refrigeration, Indoor Air Quality 24 Hour Service

      YP
      8 Years
      in Business

      16. Environmental Heat Solutions

      Environmental Heat Solutions
      540-441-7246Call Now
      Directions
      Furnaces-HeatingHeating Contractors & SpecialtiesAir Conditioning Contractors & Systems

      417 Browning Ct, Purcellville, VA 20132

      CLOSED NOW:7:00 am - 7:00 pm

      From Business: When you need a bed bug exterminator immediately, you should call Environmental Heat Solutions. We understand that you do not want these pests in your house any longer than…

      17. ThompsonGas

      ThompsonGas
      301-432-6611Call NowVisit Website
      Directions
      Furnaces-HeatingHumidifiersWater Heaters

      5260 Westview Dr Ste 200, Frederick, MD 21703

      OPEN 24 HOURS
      YP
      79 Years
      in Business

      21. Griffith Energy Services

      Griffith Energy Services
      888-474-3391Call NowVisit Website
      Directions
      Furnaces-HeatingAir Conditioning Service & RepairAir Conditioning Contractors & Systems

      11066 Middleway Pike, Charles Town, WV 25414

      OPEN 24 HOURS

      From Business: For over a century Griffith Energy Services has been the reliable provider of home heating fuel delivery; furnace and air conditioning repair, maintenance and installation;…

      22. Dan's Air

      Dan's Air
      301-712-9530Call NowVisit Website
      Directions
      Furnaces-HeatingAir Conditioning Contractors & SystemsAir Conditioning Equipment & Systems

      5711 Industry Ln #20, Frederick, MD 21704

      CLOSED NOW:8:00 am - 5:00 pm

      From Business: We provide all heating and air conditioning services including installation and repair throughout Maryland locations including Carroll County, Frederick County, Howard County,…

      YP
      8 Years
      in Business

      23. Tuckers Air Conditioning, Heating & Plumbing

      Tuckers Air Conditioning, Heating & Plumbing
      301-670-0034Call NowVisit Website
      Directions
      Furnaces-HeatingAir Conditioning Service & RepairAir Conditioning Equipment & Systems

      4650 Wedgewood Blvd Ste 102, Frederick, MD 21703

      CLOSED NOW:8:00 am - 5:00 pm

      From Business: Tuckers Air Conditioning, Heating & Plumbing is located in Frederick, MD, and is proud to serve Montgomery and Frederick Counties. Whether you need a liscenced and insured HVAC…

      YP
      30 Years
      in Business

      25. Cascades Comfort Services

      Cascades Comfort Services
      540-338-2446Call NowVisit Website
      Directions
      Furnaces-HeatingAir Conditioning Service & RepairHeating, Ventilating & Air Conditioning Engineers

      38125 Highland Farm Pl, Purcellville, VA 20132

      CLOSED NOW:9:00 am - 4:00 pm

      From Business: Cascades Comfort Services is a family owned and operated residential heating and air conditioning company located in Purcellville, Virginia. Since 1996, Cascades Comfort…

      YP
      29 Years
      in Business

      26. Edgars Cooling and Heating

      Edgars Cooling and Heating
      304-229-6984Call NowVisit Website
      Directions
      Furnaces-HeatingAir Conditioning Service & RepairAir Conditioning Contractors & Systems

      2217 Charles Town Rd, Kearneysville, WV 25430

      From Business: Charles Edgar, owner and operator, has been in the HVAC trade since 1995. Mr. Edgar started his career by graduating from the local Vo-tech School. For over three years Mr.…

      YP
      22 Years
      in Business

      27. W E Welch & Associates Inc

      W E Welch & Associates Inc
      301-831-8942Call NowVisit Website
      Directions
      Furnaces-HeatingAir Conditioning Service & Repair

      2502 Urbana Pike, Ijamsville, MD 21754

      From Business: Established in 1995, W.E. Welch & Associates Inc. is a mechanical contractor that provides plumbing, heating and air conditioning services on a design-build and build-construct…

      YP
      30 Years
      in Business

      28. Reid's Air Conditioning & Heating

      Reid's Air Conditioning & Heating
      304-263-2878Call Now
      Directions
      Furnaces-HeatingAir Conditioning Service & RepairDuct Cleaning

      302 Paynes Ford Rd, Martinsburg, WV 25405

      CLOSED NOW:8:00 am - 5:00 pm
      YP
      47 Years
      in Business

      30. W.A. Tolbard Heating & Air Conditioning

      W.A. Tolbard Heating & Air Conditioning
      301-662-2515Call NowVisit Website
      Directions
      Furnaces-HeatingAir Conditioning Service & RepairHeating Contractors & Specialties

      413 N East St, Frederick, MD 21701

      CLOSED NOW:8:00 am - 4:00 pm

      From Business: BY APPOINTMENT ONLY! Since 1988, W.A. Tolbard has been providing Frederick County, Maryland with exceptional installation and service in many aspects of interior air comfort.…

      YP
      37 Years
      in Business

      We found 137 results for Furnaces Heating in or near Knoxville, MD.They also appear in other related business categories including Air Conditioning Service & Repair, Air Conditioning Contractors & Systems, and Heating Contractors & Specialties. 76 of these businesses have an A/A+ BBB rating. 11 of the rated businesses have 4+ star ratings.


      The businesses listed also serve surrounding cities and neighborhoods including Sterling Park, Ashburn Technology Park, and Broad Run Business Center. These businesses offer their services in one-or-more of the following languages: and Spanish.