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Explore High-Efficiency Heating and Cooling Solutions
Left Hand Thermal is your go-to expert for high efficiency heating and cooling systems. Whether you need repairs, upgrades, or guidance, our team ensures your comfort and satisfaction. Serving Northern Colorado with care and expertise, we provide reliable, energy-efficient solutions for your home or business. Experience the benefits of high efficiency heating and cooling systems today.
Call us now to get started!
Our Services
Heating
Cooling
Heat Pump and Mini-Splits
Comfort, Airflow & Indoor Air Quality
Boilers & Hydronics
Geothermal Heat Pump
How We Work
Straight answers. Clean work. No pressure.
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Schedule
Book online or call. We’ll confirm a time that works for you.
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Diagnose
We inspect, test, and find the real cause (not guesswork). If airflow or sizing is part of the problem, we’ll tell you.
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Options & Approval
You’ll get clear options and pricing before any work starts. You choose what makes sense—no pressure.
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Repair or Install
We show up prepared, protect your home, and complete the work to code. We clean up like we were never there.
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Follow-Through
We verify performance, answer questions, and make sure you’re confident in the result.
Why Left Hand Thermal
Built for the community, not the spreadsheet.
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Honest diagnostics and straightforward recommendations
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Airflow-first approach (comfort problems usually aren’t “just the equipment”)
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Quality installs with proper sizing, setup, and commissioning
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Respect for your home—shoe covers, drop cloths, clean workspace
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Clear pricing upfront with no surprise add-ons
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Local and owner-involved service you can actually trust
Need Help Choosing the Right Service?
If you’re not sure what you need, we’ll point you in the right direction.
Whether it’s no heat, weak airflow, a noisy system, or you’re considering an upgrade, we’ll start with a thorough diagnostic and give you clear next steps.
Serving Northern Colorado: Longmont, Boulder, Erie, Lafayette, Louisville, Superior, Broomfield, Westminster, Thornton, Brighton, Fort Lupton, Loveland, Windsor, Fort Collins, Estes Park & nearby communities.