Service & Repair
When your system is acting up, get a straightforward look at what it needs.
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JSI MECHANICAL HVAC · SANDERS COUNTY
Comfort that holds
up to Montana.
Residential HVAC service, replacement, mini splits and new construction across Sanders County.
HOW WE HELP
Straight answers.
Reliable comfort.
System Replacement
A practical path forward when it is time to replace an aging system.
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Mini Splits
Flexible heating and cooling for rooms, cabins, additions and hard-to-heat spaces.
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BUILT FOR REAL HOMES
The system is only part of the job.
Whether you need a repair, an upgrade or a plan for a new build, the right starting point is an honest conversation about your home and your comfort.
About JSI Mechanical →COMMON QUESTIONS
Before you call.
Do you offer free estimates?
Yes. JSI offers free estimates for homeowners planning their next HVAC step.
Can a mini split heat and cool?
Mini splits are a ductless option that can provide both heating and cooling for the spaces they serve.
Do you work on new homes?
Yes. JSI provides residential HVAC planning and installation for new construction.
READY WHEN YOU ARE