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Calculate the right HVAC size for your home in Missoula, MT.
Design temperatures: 91°F summer / 8°F winter
Total conditioned living space
Cooling Load
40,839
BTU/hr
Heating Load
178,830
BTU/hr
Recommended Size
3.5 Ton
System Capacity
Est. Monthly Savings
$15
High-efficiency upgrade
Estimated System Cost
Equipment + professional installation
$12,250 - $22,750
Before rebates and incentives
This is a simplified estimate based on Manual J principles. An on-site assessment by a licensed HVAC contractor is required for accurate sizing. Factors like ductwork condition, air sealing, and specific window types affect the final recommendation.
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ASHRAE design conditions for 59802
Average costs in Missoula
Typical homes in 59802
Federal Energy Efficiency Tax Credit
federal incentive • Expires 2032-12-31
Up to $2,000
HVAC service calls in Missoula, MT typically range from $112 to $262 for standard repairs. Emergency service is available 24/7 at approximately $243.
Yes, most hvac work in Missoula County requires a permit. The average permit cost is $75. Our licensed contractors handle all permit requirements.
Our network of 38+ licensed contractors in the Missoula area offers average response times of 73 minutes. Emergency service is available 24/7.
HVAC sizing depends on your home's square footage, insulation, and local climate. With a summer design temperature of 91°F and winter design temp of 8°F in 59802, proper sizing is critical. Use our Manual J calculator above for an estimate.