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Heating Services in Longmont & the Colorado Northern Front Range
Keep your home warm, safe, and efficient—without sales pressure.
When Colorado temps drop, your heating system has to be reliable. Left Hand Thermal provides straightforward heating service—repairs, maintenance, and replacements—done right the first time. We focus on proper airflow, correct sizing, and clean workmanship so your system runs quieter, safer, and more efficiently.
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Serving north of I-70 from Estes Park to Fort Lupton, up through Fort Collins.
Why Left Hand?
Local. Transparent. Built for the community—not the spreadsheet.
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No-pressure recommendations (we explain options, you decide)
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Clean diagnostics + clear pricing before any work starts
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Performance-focused installs (airflow, sizing, combustion safety)
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Respect for your home (shoe covers, cleanup, communication)
Heating Services We Offer
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Furnace repair & troubleshooting
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Furnace replacement & new installs
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Heat pump heating service (repair, maintenance, replacement)
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Boiler repair & replacement
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Igniters, flame sensors, gas valves, blowers, control boards
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Thermostat replacement & smart thermostat installs
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Airflow and duct performance checks
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Carbon monoxide & combustion safety testing
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Second opinions (especially if you’re being pressured)
