HVAC System Replacement Cost Guide — Dover, NH

Verified 2025 pricing for hvac system replacement services in Dover. Updated quarterly from local contractor data.

Service Cost Ranges

Service	Low	Average	High	Unit
Full HVAC System Replacement	$6,900	$13,800	$25,300	per project
Heat Pump System Installation	$5,750	$12,650	$23,000	installed
Ductwork Replacement	$3,450	$8,050	$17,250	per project

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Older housing stock (pre-1955) increases complexity and materials cost

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✓Ask about seasonal discounts

✓Bundle multiple services

✓Check for manufacturer rebates

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