Gas vs Electric Furnace: Which Is Right for Grand Rapids?

When homeowners in the Grand Rapids area ask me whether they should go with gas or electric heat, my honest answer for most situations is gas. Natural gas is abundant here, the infrastructure is already in most homes, and the operating cost difference isn't even close. But there's more to it than just picking the cheaper fuel, so let's walk through the whole picture.

How Each Type Works

A gas furnace burns natural gas in a combustion chamber. The heat from that combustion passes through a heat exchanger, where it warms the air that's blown through your ductwork. Combustion byproducts (mostly carbon dioxide and water vapor) are vented outside through a flue pipe. The gas valve, ignitor, burners, and heat exchanger are the key components.

An electric furnace works more like a giant toaster. Electricity flows through resistance heating elements, which get hot. Air passes over those elements and into your ductwork. There's no combustion, no flue, and no gas line. It's mechanically simpler — fewer parts, fewer things to break.

Both types use a blower motor to push heated air through your ducts, and both are controlled by a standard thermostat. From the homeowner's perspective, they feel the same — warm air comes out of the registers. The difference is what's happening inside the unit and what it costs you every month.

The Operating Cost Reality in West Michigan

This is where the conversation gets clear in a hurry. In Michigan, we have two energy costs that matter for heating: natural gas (mostly Consumers Energy in our area) and electricity (Consumers Energy or DTE, depending on where you are).

As of recent rates, natural gas costs roughly $0.80-$1.10 per therm in the Grand Rapids area. Electricity runs about $0.18-$0.20 per kilowatt-hour. To compare them fairly, you need to convert to the same unit.

One therm of natural gas contains about 100,000 BTUs. At $1.00 per therm, that's $1.00 per 100,000 BTUs of gas energy.

One kilowatt-hour of electricity contains 3,412 BTUs. At $0.19 per kWh, that's $5.57 per 100,000 BTUs of electric energy.

Even after accounting for furnace efficiency — a gas furnace at 96% AFUE only delivers 96,000 usable BTUs per therm — gas is still about 4-5 times cheaper per unit of delivered heat in our area.

For a typical 1,800-square-foot home in Jenison or Hudsonville, that translates to roughly:

• Gas furnace: $800-$1,200 per winter for heating
• Electric furnace: $2,800-$4,000 per winter for heating

That's not a marginal difference. That's $1,500-$2,500 per year, every year, for the life of the equipment. Over 15 years, you're looking at $22,000-$37,000 more in electric heating costs. The upfront savings on an electric furnace disappear immediately.

Efficiency Ratings: AFUE Explained

Gas furnaces are rated by AFUE (Annual Fuel Utilization Efficiency). This tells you what percentage of the gas your furnace consumes actually becomes heat in your home.

• 80% AFUE (standard efficiency): For every dollar of gas, 80 cents becomes heat and 20 cents goes up the exhaust flue. These use a metal chimney flue and are the baseline.
• 90-96% AFUE (high efficiency): These use a secondary heat exchanger to extract more energy from the exhaust. They vent through PVC pipe instead of a chimney. Most of what we install falls in this range.
• 97-98% AFUE (ultra high efficiency): The premium tier. Marginal improvement over 96%, significantly higher cost. Hard to justify the price bump for most homeowners.

Electric furnaces are technically 100% efficient — every watt of electricity becomes heat. No energy is lost up a flue because there is no flue. This sounds great on paper, but it's misleading. The electricity itself is expensive. Being 100% efficient with a fuel that costs five times more per BTU doesn't help you.

For a furnace installation in our area, we typically recommend 95-96% AFUE gas furnaces. They hit the sweet spot between upfront cost and operating savings.

Upfront Cost Comparison

Electric furnaces are cheaper to buy and install. No gas line, no venting, simpler installation. A new electric furnace installed might run $2,500-$4,500 depending on size and the specifics of your home.

A new gas furnace with installation typically costs $4,500-$9,000 in the Grand Rapids area. High-efficiency models are at the upper end. The price includes the gas connection, venting (PVC for high-efficiency, metal flue for standard), and all the associated work.

So yes, gas costs more upfront. But the operating cost difference means the gas furnace pays for that premium in the first one to two winters. After that, you're saving $1,500-$2,500 every single year.

I've done this math for hundreds of homeowners, and the answer is almost always the same: the gas furnace is the better financial decision for West Michigan homes that have natural gas available.

When an Electric Furnace Actually Makes Sense

I said "almost always" because there are a few situations where electric heat has a role:

No natural gas available. Some rural areas outside Grand Rapids don't have gas service. If your options are electric or propane, the math changes. Propane costs more than natural gas (usually $2.00-$3.00+ per gallon, and a gallon only contains about 91,500 BTUs), so the gap between propane and electric is smaller. In that case, a heat pump is often the best option — but more on that in a minute.

Supplemental heating. Electric baseboards or space heaters in a room that's hard to reach with ductwork. This isn't a whole-house solution, but it makes sense for an addition or a converted garage.

Temporary situations. If you're in a home for a year or two and the electric furnace works, the upfront cost of switching to gas may not pay back before you move.

New construction with a heat pump. If you're building new and going all-electric with a heat pump system (not resistance heat), the economics are different. But that's a heat pump conversation, not an electric furnace conversation.

The Heat Pump Alternative

If you're considering electric heat, you should really be considering a heat pump instead. A heat pump doesn't generate heat through resistance — it moves heat from outdoors to indoors using a refrigerant cycle, similar to how an air conditioner works in reverse.

The key advantage: heat pumps are 200-300% efficient. For every unit of electricity consumed, they deliver two to three units of heat. That cuts the operating cost of electric heat by two-thirds or more, bringing it much closer to natural gas costs.

The old knock on heat pumps was that they didn't work well in cold climates. That's changed. Modern cold-climate heat pumps can produce useful heat down to -10°F or below. They do lose efficiency as temperatures drop, which is why many Michigan installations pair a heat pump with a gas furnace in a dual-fuel system. The heat pump handles heating down to about 25-35°F (where it's most efficient), and the gas furnace takes over when it gets colder.

A dual-fuel system gives you the efficiency of a heat pump for most of the heating season plus the reliability of gas for the coldest days. It also gives you air conditioning in summer, since a heat pump works as an AC when reversed. For some homeowners, especially those replacing both a furnace and AC at the same time, dual fuel is worth exploring.

Which Is Better for West Michigan Homes?

For the typical home in Grand Rapids, Jenison, Hudsonville, Grandville, or the surrounding area, a gas furnace is the clear winner. Here's the summary:

| Factor | Gas Furnace | Electric Furnace | |--------|------------|-----------------| | Operating cost | $800-$1,200/winter | $2,800-$4,000/winter | | Upfront cost | $4,500-$9,000 installed | $2,500-$4,500 installed | | Efficiency | 80-98% AFUE | 100% (but electricity costs more) | | Lifespan | 15-20 years | 20-30 years | | Safety | CO risk (mitigated by maintenance + detectors) | No combustion risks | | Comfort | Fast heat, powerful output | Adequate but lower output | | Availability | Natural gas in most of our service area | Works anywhere with electricity |

The electric furnace's only real advantages are lower upfront cost, simpler installation, and no combustion safety concerns. Those are real benefits, but they don't outweigh paying three to four times more to heat your home every single winter in a climate that demands heavy heating for five to six months of the year.

If you don't have natural gas, skip the electric furnace and look at a heat pump system with electric backup. You'll get much better operating costs than straight resistance heat.

Making the Switch

If you're currently heating with electric resistance and want to switch to gas, the project involves:

1. Confirming natural gas is available at your property (most areas we serve have it)
2. Running a gas line to the furnace location
3. Removing the electric furnace
4. Installing a gas furnace with proper venting
5. Updating the thermostat if needed

It's more involved than a basic furnace replacement, but the payback is fast. If you're spending $3,500 a year on electric heat and switch to gas at $1,000 a year, the $2,500 annual savings means even a $7,000-$8,000 project pays for itself in three years.

If you're building new or doing a major renovation, you have the most flexibility. That's the best time to make the right fuel choice rather than working around what's already there.

The Bottom Line on Fuel Choice

This isn't a close call for most West Michigan homeowners. Natural gas is plentiful, the infrastructure is there, and the operating cost advantage is massive. I've been installing and repairing furnaces in this area since 1987, and gas furnaces remain the go-to for good reason.

The one thing I'd add: if you're replacing a furnace in the next year or two, it's worth having a conversation about heat pumps and dual-fuel systems. The technology has gotten good enough for Michigan winters, and depending on your situation, it might be the best of both worlds.