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Boulder County

Longmont

Reliable heating, cooling, and service support across Longmont.

Longmont homes benefit from something fairly unique in Colorado: low-cost municipal electricity paired with natural gas service that often comes from Xcel Energy. That combination makes Longmont an especially strong candidate for high-efficiency HVAC systems, including modern heat pumps.

KJT Mechanical provides residential and light commercial HVAC services throughout Longmont. We help homeowners make practical system decisions that balance comfort, operating cost, and long-term reliability.

Residential HVAC Services in Longmont

We service and install a wide range of heating and cooling systems commonly found in Longmont homes, from older neighborhoods to newer developments.

Our residential HVAC services include:

  • Furnace repair, maintenance, and replacement
  • Air conditioning repair and installation
  • Heat pump installation, service, and system upgrades
  • Boiler service and replacement
  • System diagnostics and troubleshooting
  • Seasonal tune ups and safety inspections

Whether your system is aging or recently installed, our focus is safe operation, efficiency, and clear recommendations.

Heat Pumps in Longmont: A Strong Fit

Longmont's municipally provided electricity is typically less expensive than investor-owned utility rates, which makes electric heating technologies especially attractive.

For many homeowners, this means:

  • Lower operating costs with high-efficiency heat pumps
  • Reduced reliance on natural gas
  • Excellent pairing with modern cold-climate systems

At the same time, many Longmont homes still receive natural gas from Xcel Energy, which can allow homeowners to remain eligible for certain Xcel rebates even when electricity is city-provided.

We help homeowners understand:

  • Heat pump performance in Colorado winters
  • Backup heat options and hybrid system designs
  • Utility rate considerations
  • Rebate and incentive eligibility
  • Long-term operating costs compared to gas-only systems

Not every home is a perfect candidate, and we will be honest if a heat pump is not the right fit.

Light Commercial HVAC Services

We also provide HVAC services for small commercial and mixed-use buildings throughout Longmont.

Our light commercial services include:

  • Rooftop unit diagnostics and repair
  • Equipment replacement planning
  • Preventative maintenance programs
  • Safety inspections and system evaluations

We work efficiently to keep businesses comfortable while minimizing downtime.

HVAC Safety Inspections and System Evaluations

Many service calls start with subtle issues rather than complete breakdowns. Uneven temperatures, unusual noises, rising utility bills, or short cycling are all worth investigating.

Our inspections focus on:

  • Safe system operation
  • Equipment condition and expected lifespan
  • Efficiency and comfort concerns
  • Clear, written recommendations

If a system can continue operating safely and effectively, we will say so.

Why Longmont Homeowners Choose KJT Mechanical

  • Locally owned and operated in Boulder County
  • Experience with a wide range of home ages and system types
  • Knowledge of Longmont utilities and rebate structures
  • Clear communication and honest recommendations
  • Licensed, insured, and professional technicians

We believe homeowners deserve straightforward answers and work done correctly the first time.

Schedule HVAC Service in Longmont

If you are looking for dependable HVAC service in Longmont, we would be happy to help.

Call or text us to schedule service, request an estimate, or ask questions about your heating and cooling system. We are always glad to walk through options and help you choose the best path forward.

Service area FAQ

Why are heat pumps a good option in Longmont?

Longmont's electricity is provided by the city and is typically less expensive than investor-owned utility rates. Because heat pumps run on electricity, this can make them more cost-effective to operate compared to areas with higher electric rates. When properly designed, modern cold-climate heat pumps can provide reliable heating and cooling for Longmont homes.

Can I still qualify for Xcel rebates if my electricity is from the City of Longmont?

In many cases, yes. While electricity in Longmont is municipally provided, natural gas service is often supplied by Xcel Energy. Certain rebates and incentives are tied to gas service rather than electric service. Eligibility depends on the specific program and project details, and we help homeowners understand which incentives may apply.

Do heat pumps work well during Longmont winters?

Yes, when properly selected and installed. Cold-climate heat pumps are designed to operate efficiently in below-freezing temperatures. Factors like home insulation, air sealing, duct design, and backup heat options all play a role in system performance. We evaluate these details to ensure expectations are realistic and systems are designed correctly.

Are hybrid systems an option in Longmont?

They are. Some homeowners choose a hybrid setup that pairs a heat pump with a gas furnace for backup heat. This can offer flexibility during extreme cold while still taking advantage of low electric rates during most of the heating season. We help homeowners compare hybrid systems to all-electric options.

Do you work on older homes in Longmont?

Yes. Longmont has a wide mix of older homes and newer developments, and many older properties have unique ductwork, mechanical layouts, or space constraints. We regularly service and upgrade systems in older homes and focus on safety, comfort, and practical improvement options.

How do I know if my HVAC system needs replacement or just repair?

Not every issue means replacement is needed. Uneven temperatures, short cycling, higher energy bills, or unusual noises can often be addressed through repair, airflow improvements, or maintenance. We provide honest evaluations and explain whether repair or replacement makes the most sense.

Can you help explain utility costs and long-term operating savings?

Yes. We take time to explain how different systems may impact monthly utility costs based on Longmont's electric rates and natural gas pricing. Our goal is to help homeowners understand both upfront costs and long-term operating expenses before making a decision.

Plan your Longmont project

We will confirm goals, walk through options, and build a clean scope for your home.