Quick answer: A heat pump moves existing heat from one place to another and handles both heating and cooling from a single system. A furnace burns fuel, usually natural gas, to generate heat and needs a separate air conditioner for summer. Heat pumps tend to win in mild and moderate climates and on year-round efficiency, while gas furnaces hold an edge in very cold regions. Ready to compare? Post your project free on Qiggz and get matched with local HVAC pros.
Picking between a heat pump and a furnace is one of the bigger comfort decisions you will make as a homeowner, and it is easy to feel stuck. Both keep your house warm. They get there in completely different ways, and that difference drives everything else: your energy bills, whether you also get air conditioning, and how well the system holds up in your climate.
The short version is that a furnace makes heat and a heat pump moves it. That one distinction is the key to the whole comparison. This guide walks through how each system works, lays the two side by side, and helps you figure out which fits your home, your winters, and your budget. Prices vary a lot by region and equipment, so we point you toward real local quotes rather than guessing.
How a furnace works
A furnace generates heat through combustion. In a gas furnace, the most common type, the system burns natural gas or propane to create a flame that heats a metal heat exchanger. A blower pushes household air across that hot exchanger, and your ductwork carries the warmed air to each room. Electric furnaces use heating elements instead of a flame.
The key thing to understand is that a furnace only heats. For cooling in summer, you need a separate central air conditioner alongside it. Furnaces are rated for efficiency by AFUE, or annual fuel utilization efficiency, which describes how much of the fuel becomes usable heat.
How a heat pump works
A heat pump does not burn fuel to create heat. Instead, it transfers heat that already exists. Using electricity and a refrigerant cycle, an air-source heat pump pulls warmth out of the outside air and moves it indoors during winter. According to the U.S. Department of Energy, the system "transfers heat between your house and the outside air," and in summer it simply runs in reverse, pulling heat out of your home to cool it.
That reversibility is the headline feature. One heat pump delivers both heating and cooling, so you do not need a separate air conditioner. Because it moves heat rather than generating it, it can deliver more heating energy than the electricity it consumes. The Department of Energy notes that modern air-source heat pumps can "reduce your electricity use for heating by up to 75%" compared with electric resistance heating such as baseboard heaters.
Older heat pumps struggled in very cold weather, but that has changed. The Department of Energy says advances "now offer a legitimate space heating alternative in colder regions," and cold-climate models are "designed to perform in temperatures as low as 5 degrees F." Where winters are harsh, the DOE recommends a unit with the ENERGY STAR Cold Climate label.
Heat pump vs furnace: side-by-side comparison
| Factor | Heat pump | Gas furnace |
|---|---|---|
| How it makes heat | Moves existing heat using electricity and refrigerant | Burns gas or propane to generate heat |
| Heating and cooling | Both, from one system | Heating only (needs a separate AC) |
| Energy source | Electricity | Natural gas or propane |
| Efficiency rating | Measured by HSPF and SEER; can deliver more heat energy than the electricity it uses | Measured by AFUE (percent of fuel turned into heat) |
| Best climate | Mild to moderate; cold-climate models extend the range | Very cold regions with sustained deep freezes |
| Summer cooling | Included | Not included |
| Typical lifespan | Often around 15 years (runs year-round) | Often 20 years or more |
| Installed cost | About $5,000 to $12,000, varies by region and type (HomeGuide) | About $3,500 to $7,500, varies by region (HomeGuide) |
| Operating cost | Lower where electricity is reasonable and winters are mild | Can be lower where gas is cheap and winters are severe |
Treat this table as a starting framework, not a verdict. The right choice depends heavily on your local energy prices and how cold your winters actually get.
Which should you choose?
The decision usually comes down to three things: your climate, your energy prices, and whether you want cooling bundled in.
Choose a heat pump if you live in a mild or moderate climate, you want heating and cooling from one system, and electricity in your area is reasonably priced. It also makes sense if you want to move away from burning fossil fuels, or you lack central air and want to add it. Cold-climate models have widened the map, so do not rule one out just because you get real winters. Check whether your electrical service can handle the new load; an HVAC pro or licensed electrician can confirm.
Choose a gas furnace if you live in a region with long, deep-freeze winters and you already have an affordable natural gas hookup. In sustained subfreezing conditions, a gas furnace produces strong, steady heat, and where gas is cheap relative to electricity it can be less expensive to run during a hard winter.
Consider a dual-fuel setup if you want both. It pairs a heat pump with a gas furnace, so the heat pump handles most of the year efficiently and the furnace kicks in only on the coldest days. An HVAC contractor can model whether the math works for your home.
A note on cost
Heating system pricing swings widely based on your region, the size and layout of your home, the efficiency tier you pick, and whether your ductwork and electrical panel need work. So we are not going to print a single national number and pretend it applies to your home.
What we can say plainly: a heat pump's all-in value includes the air conditioner you do not have to buy separately, since cooling is built in. A furnace's number does not include cooling, so budget for that too if you want central air. Installation labor, permits, and any duct or electrical upgrades all factor in beyond the equipment.
Installed prices vary by region, equipment, and scope. HomeGuide puts a typical heat pump install in the range of $5,000 to $12,000, depending on type and size. It puts a gas furnace install in the range of $3,500 to $7,500 where the home has existing ductwork. The honest way to learn your real number is to get a few itemized quotes from local pros. When you post your project free on Qiggz, you can compare bids side by side instead of working from a national average.
When to hire a pro
Installing or replacing a central heating system is not a DIY job. It involves refrigerant handling, gas lines, high-voltage electrical work, combustion safety, and proper sizing, and getting any of those wrong can be dangerous or expensive. Bring in a professional:
- For installation or replacement, always. Heat pumps and furnaces require licensed, trained installers. Gas and refrigerant work is regulated for safety, and an improperly sized system runs poorly for its entire life.
- For a load calculation. A good contractor sizes the system to your home with a proper calculation, not a rule of thumb. Oversized and undersized equipment both cause comfort and efficiency problems.
- When your panel may need an upgrade. Switching to a heat pump can add electrical load. A pro confirms whether your service is adequate, and a licensed electrician can handle any panel work.
- For permits and code. HVAC swaps typically require permits and must meet local code. A licensed contractor handles this for you.
Qiggz connects you with local HVAC professionals, and posting your job is free. Start by browsing HVAC pros near you or post your project to get matched. There are no lead fees and no commissions on Qiggz, so the pros you talk to are not paying to reach you, and you keep the relationship direct.
The bottom line
A heat pump moves heat and does double duty as heating and cooling in one system, which makes it the efficient, flexible choice for most mild and moderate climates and an increasingly viable one even where it gets cold. A gas furnace generates heat by burning fuel and remains a strong, reliable option in regions with long, severe winters and cheap natural gas. Your climate and local energy prices should drive the call.
Whichever way you lean, the next step is the same: get real quotes from qualified local installers. Post your heating project free on Qiggz and compare HVAC pros in your area, with no lead fees and no commissions.
Frequently asked questions
Is a heat pump better than a furnace?
It depends on your climate and energy prices. A heat pump is usually more efficient year-round and gives you both heating and cooling from one system, which makes it the better pick in mild to moderate climates. A gas furnace tends to be the stronger choice in very cold regions with long deep-freeze winters, especially where natural gas is inexpensive.
Does a heat pump work in cold weather?
Yes. Older models lost effectiveness in deep cold, but the U.S. Department of Energy notes that modern air-source heat pumps are "a legitimate space heating alternative in colder regions," and cold-climate models are "designed to perform in temperatures as low as 5 degrees F." In very cold areas, look for an ENERGY STAR Cold Climate label or consider a dual-fuel system.
What is the main difference between a heat pump and a furnace?
A furnace generates heat by burning fuel such as natural gas, while a heat pump moves existing heat from one place to another using electricity and refrigerant. Because of that, a heat pump can also run in reverse to cool your home in summer, whereas a furnace only heats and needs a separate air conditioner.
Do I still need an air conditioner with a heat pump?
No. A heat pump provides both heating and cooling, so it replaces the need for a separate central air conditioner. With a furnace, cooling is not included, so you would pair it with a standalone AC unit if you want summer cooling.
Which is cheaper to run, a heat pump or a furnace?
It varies by region. Where electricity is reasonably priced and winters are mild, a heat pump is often cheaper to operate because it moves heat instead of generating it. Where natural gas is cheap and winters are long and severe, a gas furnace can cost less to run. Compare your local electricity and gas rates, and ask local pros for an estimate based on your home.
Sources
- U.S. Department of Energy, Energy Saver, "Heat Pump Systems" (how air-source heat pumps transfer heat, up to 75% less electricity than resistance heating, cold-climate performance to 5 degrees F, ENERGY STAR Cold Climate guidance): energy.gov/energysaver/heat-pump-systems.
- HomeGuide, "Heat Pump vs. Furnace Cost Comparison (2026)" (how-it-works framing, AFUE and refrigerant cycle, lifespan and climate fit; heat pump install about $5,000 to $12,000, gas furnace install about $3,500 to $7,500 with existing ductwork): homeguide.com. Installed prices vary widely by region, equipment, and scope, so confirm with local quotes.
- Qiggz "free to post, no lead fees, no commissions, local-matched pros": first-party (Qiggz product), see /find-pros and /about/qiggz.
