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Your Trusted HVAC Partner in Longmont, CO
At Tri County Heating & Cooling, we have dedicated ourselves to delivering exceptional HVAC solutions for residential and commercial clients in Longmont, CO, and surrounding areas. With over two decades of experience, our team of certified technicians specializes in air conditioning repair, furnace repair, ductless mini-split installation, and comprehensive HVAC maintenance. We prioritize customer satisfaction by providing transparent diagnostics, upfront pricing, and honest recommendations tailored to each client's unique needs.

Our commitment to quality extends to using advanced tools and techniques to ensure systems operate efficiently and reliably. We take pride in offering 24/7 emergency services, eliminating trip charges for local diagnostics, and guiding clients through financing options when necessary. By focusing on long-term relationships rather than sales, we have built a reputation as a trusted partner for maintaining indoor comfort year-round.
Services
Air Conditioning Repair Furnace Repair HVAC Maintenance Ductless Mini-Split Installation Water Heater Repair
Highlights and features
  • We offer 20+ years of local HVAC expertise in Longmont, CO
  • Our NATE-certified technicians prioritize repair over unnecessary replacements
  • No trip charge for local HVAC diagnostics
  • We provide transparent pricing and financing options
  • We guarantee 24/7 emergency service availability
Associations and certifications
  • NATE (North American Technician Excellence)
Services
Air Conditioning Repair
Our NATE-certified technicians diagnose and repair all major air conditioning brands. We provide 24/7 emergency service with no trip charge for local diagnostics. Our process includes upfront pricing, filter and thermostat checks, and comprehensive system evaluations to restore cooling efficiently.
Furnace Repair
We offer prompt furnace repair services to prevent winter discomfort. Our team performs annual maintenance to optimize efficiency and emergency repairs to restore heat quickly. We service all major furnace types and provide honest recommendations for repairs versus replacements.
Ductless Mini-Split Installation
We install energy-efficient ductless mini-split systems for targeted temperature control. Our experts handle proper sizing, conduit installation, and system matching to ensure optimal performance. These systems are ideal for room additions or homes without existing ductwork.
HVAC Maintenance
Our maintenance services extend equipment lifespan and improve efficiency. We inspect components, clean systems, and identify potential issues during fall furnace checkups and seasonal AC evaluations. Regular maintenance helps prevent unexpected breakdowns.
Water Heater Repair
We repair both traditional tank and tankless water heaters. Our technicians diagnose issues like sediment buildup or leaks, perform tank flushing, and recommend replacements when repairs aren't viable. We ensure hot water solutions with honest, need-based advice.
Questions
What HVAC services do you offer in Longmont?
We provide air conditioning repair, furnace repair, ductless mini-split installation, HVAC maintenance, and water heater services for residential and commercial clients in Longmont and Northern Colorado.
Do you offer emergency HVAC repair services?
Yes, we provide 24/7 emergency HVAC repair services with no trip charge for local diagnostics. Our certified technicians respond promptly to urgent heating and cooling needs.
How do you handle HVAC repair pricing?
We provide upfront pricing before any work begins. Our technicians explain all options and associated costs to help you make informed decisions about repairs or replacements.
Can you help with energy-efficient HVAC upgrades?
Yes, we recommend high-efficiency HVAC systems that can reduce energy consumption by 20-50%. Our team ensures proper sizing and installation to maximize energy savings and system performance.
Do you service all types of HVAC systems?
We work with all major HVAC brands and system types, including central air conditioners, furnaces, ductless mini-splits, and both tank and tankless water heaters.
What maintenance options are available?
We offer seasonal HVAC maintenance contracts that include comprehensive inspections, cleaning, and performance optimizations. Regular maintenance helps prevent breakdowns and extends equipment lifespan.