Longmont Air Conditioning, HVAC  Repair – Installation

Nate_Certified        bbaccredited

Carroll Mechanical Services of Longmont offers residential and commercial HVAC installation and services.  We pride ourselves on top quality service at a reasonable price. We have over 15  years of experience in HVAC installation and repair in the Longmont area. We install and service all heating and air conditioning brands and guarantee our customer’s satisfaction. Our technicians are professionally trained, licensed, reliable, and courteous. All your questions are our priority, as we are ready to serve all your heating and air conditioning needs! We also like for our past customers to do the talking. Check out our Google Reviews & our  Customer Testimonials!

Our installation and repair services include:


Contact Details
  • Address:
    1830 Boston Ave. Suite E
    Longmont CO, 80501
  • Phone:
    (720) 891-3518
  • Cell:
    (720) 891-3518
  • e-mail:
    Brien Carroll – Owner
  • Hours of Operation:
    Monday – Friday 8am – 4pm.

Latest News

  • $200 Off High Efficiency Air Conditioning Deal/Coupon

    If you’re thinking about getting a new high efficiency air conditioning unit, you may want to Call Carroll Mechanical Services in Longmont. We are offering $200 of the installation of  new Carrier high efficiency air conditioning units.   Also, ask about the Carrier and Xcel Energy rebate programs, as they will save you additional money on […]

  • Air Conditioning Service

    We’re reaching that time of year where the outside temperatures are starting to heat up the house.  Now is the time to get that air conditioner checked out so your ready for the summer months.  We also service swamp coolers! We have a comprehensive 24 inspection-point air conditioner service that we perform, followed up with […]

  • $200 Off New Furnace Install

    Mention this website coupon and get $200 of a new furnace installation!