About Timberline Mechanical – Longmont HVAC Experts

Longmont, home to roughly 83,000 people, is also home to leading technology and energy firms like IBM, GE Energy and Seagate.  As a central city nestled at the foot of Longs Peak, Longmont is in the middle of the Colorado Front Range and influences the surrounding Boulder and Fort Collins/Loveland areas.  Longmont values home energy improvements on a citywide level and in 2012 offered a citywide home makeover contest for local homes that needed an energy facelift.  Timberline is a proud supporter of the Longmont energy community and is the most trusted provider of Longmont HVAC solutions — repairing and installing HVAC equipment in commercial, industrial and residential buildings in Longmont, Colorado.

We are highly trained in all HVAC equipment. Our Longmont HVAC services include:

  • Boiler repair
  • Boiler installation
  • Boiler maintenance
  • Heat pump repair
  • Heat pump installation
  • Heat pump maintenance
  • Furnace repair
  • Furnace installation
  • Furnace maintenance
  • Evaporative cooler repair
  • Evaporative cooler installation
  • Evaporative cooler maintenance
  • Air conditioning repair
  • Air conditioning repair
  • Air conditioning installation
  • And many more services

No project is too big or too small.  Our staff is composed of experts in HVAC solutions that range from small residential or retail buildings to large scale manufacturing plants.  We’ve also worked in corporate offices, hospitals, breweries and new technology facilities across Longmont and surrounding Front Range areas.

A Customized System Just For You

Timberline is the most trusted source for HVAC needs, delivering a custom HVAC system to suit each unique client. As such, we’ve developed impressive customer loyalty, with 95% customer retention since 2006 and 10% annual growth from word-of-mouth recommendations.

If you are a building owner, facility manager or homeowner looking for a Longmont HVAC contractor, please call us now to request a free estimate.

City of Longmont Official Site –

Longmont EnergySmart –

Use our contact us page to send an email. Please allow 10 business days to receive a response from an email. For immediate questions, please call.


All Major Credit Cards Accepted

All major credit cards accepted.

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