Every new Colorado business filing, every dayNew HVAC Contractor Businesses in Longmont, CO
2 hvac contractor businesses recently registered in Longmont, Colorado.
Updated August 19, 2026 · Most recent business filing Sep 19, 2025
2
Total Filings
Sep 19, 2025
Most Recent
Every new Colorado filing, every day
See how it worksAbout HVAC Contractor Businesses in Longmont
This page lists new hvac contractor businesses registered in Longmont, Colorado. We currently track 2, sourced directly from the Colorado Division of Corporations and refreshed daily as new hvac contractor companies file.
Recent additions include Left Hand Thermal and Loos & Sons HVAC. The most recent hvac contractor business filing was on Sep 19, 2025.
Each entry shows the filing date and, where we can verify it, the owner name and contact details. If you sell to hvac contractor businesses in Longmont, this is one of the freshest prospect lists in the market.
All Filings
Left Hand Thermal
Sep 19, 2025HVAC ContractorVerifiedLongmont, CO
Left Hand Thermal is an HVAC contractor based in Longmont, Colorado, providing heating and cooling services. The business listing on Yahoo Local indicates it serves the Longmont area and has been reviewed by customers.
Loos & Sons HVAC
Aug 18, 2025HVAC ContractorVerifiedLongmont, CO
Loos & Sons HVAC is a family-owned HVAC contractor based in Longmont, CO, serving Longmont and Boulder County. They offer furnace repair, AC repair, heat pumps, mini splits, boilers, geothermal systems, and 24/7 emergency service.
Sign up to see verified contact details for this business and 2 others in Longmont
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