How much does a heat pump cost?

Ducted air-source heat pump (replaces furnace + AC): $4,000-$8,000 installed. Single-zone ductless mini-split: $3,000-$5,000 installed. Multi-zone mini-split (3-4 indoor heads): $8,000-$15,000. Geothermal: $15,000-$30,000. Federal tax credit: 30% of the total cost (up to $2,000/year). After the tax credit: a ducted heat pump typically costs $2,800-$5,600 out of pocket. Additional state and utility rebates can reduce costs further ($500-$5,000 depending on your location). The investment pays back in 5-10 years through energy savings.

Do heat pumps work in cold climates?

Yes. Modern cold-climate heat pumps (ccASHP) work efficiently down to -15°F to -22°F. This is a major improvement over older models. Look for ENERGY STAR Cold Climate certification. Top brands for cold climates: Mitsubishi Hyper-Heating (works to -13°F), Fujitsu XLTH (-15°F), and Bosch (-4°F). For extremely cold areas: a dual-fuel system (heat pump + backup gas furnace) provides optimal efficiency — the heat pump handles 80-90% of heating hours, and the furnace covers the coldest days. Heat pumps are now widely used in Maine, Minnesota, and Canada.

Heat pump vs furnace: which is better?

Heat pump advantages: 2-4x more efficient (lower operating cost), provides both heating AND cooling (one system), qualifies for $2,000 federal tax credit, no combustion (no carbon monoxide risk), and uses electricity (can be powered by solar). Furnace advantages: lower upfront cost ($2,000-$5,000 installed), very effective in extreme cold, heats air to higher temperatures (120-140°F vs. 90-110°F for a heat pump), and works with existing ductwork and gas supply. For most homeowners replacing aging equipment: a heat pump is the better long-term investment. For budget-conscious in very cold climates with cheap natural gas: a high-efficiency furnace + AC may cost less initially.

How long does a heat pump last?

Air-source heat pump: 15-20 years with proper maintenance. Mini-split: 15-20 years. Geothermal: 20-25 years (indoor components), 50+ years (ground loops). For comparison: gas furnace 15-20 years, central AC 15-20 years. Maintenance for longevity: change air filters regularly (every 1-3 months), keep the outdoor unit clear of debris and vegetation (18+ inches clearance), schedule annual professional tune-ups ($100-$200), and keep coils clean. With good maintenance, many heat pumps exceed 20 years.

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Home Improvement

Heat Pump Guide: How It Works, Types & Cost

Lumberama Editorial Team, HVAC & Energy Efficiency Specialists Jun 28, 2026 13 min read

How a Heat Pump Works

A heat pump does not generate heat — it moves heat. In winter: it extracts heat from outdoor air (yes, even cold air contains heat energy) and moves it inside. In summer: it reverses, moving heat from inside to outside (just like an air conditioner). It uses the same refrigerant cycle as an AC but with a reversing valve that allows it to work in both directions. This makes it 2-4x more efficient than a furnace or electric resistance heater (for every 1 unit of electricity consumed, it delivers 2-4 units of heat).

Types

Air-source heat pump (ducted): The most common type. Looks and installs like a central AC (outdoor condenser unit + indoor air handler connected by refrigerant lines). Uses existing ductwork. Replaces both your AC and furnace (one system for heating AND cooling). Cost: $4,000-$8,000 installed. Best for: homes with existing ductwork that want to replace both furnace and AC.

Mini-split (ductless): One outdoor unit connected to one or more indoor wall-mounted units (heads). No ductwork needed. Each head controls the temperature in its zone independently. Extremely efficient (no duct losses, which waste 20-30% of energy in ducted systems). Cost: single-zone $3,000-$5,000 installed; multi-zone (3-4 heads) $8,000-$15,
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Best for: homes without ductwork, room additions, garage conversions, and supplementing existing systems. Brands: Mitsubishi, Fujitsu, Daikin.

Geothermal (ground-source): Uses the stable temperature underground (50-55°F year-round) as the heat source/sink. Loops of pipe buried underground circulate fluid that absorbs or rejects heat. The most efficient heat pump type (300-500% efficiency). Very quiet (no outdoor unit fan noise). Lasts 25-50 years (ground loops last 50+ years). Cost: $15,000-$30,000 installed. Best for: new construction, large homes, and those who plan to stay long-term.

Efficiency

Heat pump efficiency is measured by:

SEER2 (cooling): higher is better. Minimum standard: 15 SEER2. Good: 16-18 SEER2. Excellent: 20+ SEER2.

HSPF2 (heating): higher is better. Minimum standard: 7.8 HSPF2. Good: 9-10 HSPF2. Excellent: 12+ HSPF2.

COP (coefficient of performance): how many units of heat per unit of electricity. COP of 3 = 300% efficient. For comparison: a gas furnace is 80-97% efficient, electric resistance is 100% efficient, a heat pump is 200-400% efficient.

Cold Climate Performance

Modern cold-climate heat pumps (ccASHP) work efficiently down to -15°F to -22°F. This is a major improvement over older models that struggled below 30°F. Look for: ENERGY STAR Cold Climate certification. Brands known for cold-climate performance: Mitsubishi Hyper-Heating, Fujitsu XLTH, Bosch. In very cold climates: a heat pump paired with a backup furnace (dual-fuel system) provides optimal efficiency — the heat pump runs until it is too cold (typically below 0-10°F), then the furnace takes over.

Incentives

Federal tax credit: 30% of the cost (up to $2,000/year) for qualifying heat pumps. This covers equipment and installation labor. State and utility rebates: vary by location ($500-$5,000+). The Inflation Reduction Act made heat pumps one of the most heavily incentivized home improvements. For income-qualifying households: up to $8,000 in rebates through the HOMES program.