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Boiler & Hydronic Heating Services in Longmont & the Northern Colorado Front Range
Quiet, even heat—kept safe, reliable, and efficient without sales pressure.
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Hydronic heat is one of the most comfortable ways to heat a home—when the boiler and system are set up and maintained correctly. Left Hand Thermal provides straightforward boiler and hydronic service—repairs, maintenance, and replacements—done right the first time. We focus on clean workmanship, correct system performance (pressure, flow, venting), and safety testing so your heat stays consistent, efficient, and dependable.
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Serving north of I-70 from Estes Park to Fort Lupton, up through Fort Collins.
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Call now or book online to get on the schedule.
Boiler Repair + Maintenance
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If your boiler is acting up, we’ll diagnose it properly and explain your options clearly before any work starts.
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Common issues we fix:
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No heat or uneven heat between zones
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Leaks, low pressure, or frequent pressure drops
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Air in the lines, gurgling/banging, or cold radiators/baseboards
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Circulator pump, zone valve, expansion tank, and control issues
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Ignition problems, flame issues, venting concerns, and error codes
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Boiler tune-ups help: improve efficiency, reduce breakdowns, and catch safety issues early—especially before winter hits.
Boiler Replacement + Hydronic Upgrades
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When it’s time to replace, we’ll help you choose a boiler and system setup that fits your home—not a one-size-fits-all approach.
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What you can expect:
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Right-sized recommendations with zone performance in mind
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Clean install and full system testing (pressure, flow, combustion/venting)
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Upgrades like smart controls, zoning improvements, pumps/valves as needed
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Clear options without the pressure or “today-only” deals
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Need your boiler checked out?