Call us at (360) 821-3114

A gas furnace heats your home by burning natural gas or propane to warm air, which a blower then pushes through your ducts to every room.

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Here’s what happens when your thermostat calls for heat: a small fan clears the vent, an igniter lights the burners, and the flame heats a metal chamber called the heat exchanger. Your home’s air blows across the outside of that chamber and picks up the heat, while the exhaust gases stay inside it and leave through the vent pipe. That separation is why furnace safety checks matter so much.

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In Kitsap County, gas furnaces are common in homes built before heat pumps took off, and in newer homes with gas service. Natural gas isn’t available on every street, so many homes here run on propane instead. Furnaces often sit in a crawlspace, garage, closet, or attic, which makes them easy to forget until the first cold night.

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Delta T Comfort installs, repairs, and maintains natural gas and propane furnaces throughout Kitsap County. Not sure whether you need a repair or a replacement? Call (360) 821-3114.

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Gas Furnace Installation and Replacement

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Choosing a furnace is mostly a question of size, efficiency, and how it fits your home. Here’s what we go over with you:

• Efficiency rating: AFUE shows how much of the fuel becomes heat. Older and basic furnaces run around 80 percent, and high-efficiency condensing furnaces reach the mid-90s.

• Condensing needs: A high-efficiency furnace makes condensation, so it needs a drain and plastic vent pipes. That changes the installation, and we plan for it.

• Size: Washington’s energy code requires a load calculation to size a new system, and we run one for every estimate instead of copying the size of the old unit. A furnace that’s too big cycles constantly and wastes fuel.

• Your ducts and thermostat: A furnace can only move as much air as your ducts allow. We measure the ductwork as well as calculating your home’s heat load, because ducts that are too small for the furnace restrict airflow. That makes the furnace overheat, cycle on and off, and wear out sooner than it should.

• Other equipment: If you have or want air conditioning, we match the coil and controls so everything works together.

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You should also compare your options. A gas furnace can stand alone, pair with a heat pump as a dual fuel system, or be replaced by a heat pump. 

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Financing is available with approved credit.

Schedule an estimate, Request Service or call (360) 821-3114.

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Gas Furnace Maintenance

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A furnace sits idle for months, then runs hard through the coldest weeks. A yearly tune-up in early fall helps make sure it’s ready.

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We measure, test, and inspect, then recommend repairs only if they’re needed.

A maintenance visit includes:

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• Checking the igniter, flame sensor, and burners

• Limited visual inspection of the heat exchanger for cracks and corrosion

• Checking the vent pipe and flue for blockage or leaks

• Verifying gas pressure and the temperature rise across the furnace

• Testing the blower, capacitor, and safety switches

• Cleaning the condensate drain and trap on high-efficiency models

• Replacing or checking the filter and confirming thermostat operation

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Between visits, check your filter on a schedule, keep the area around the furnace clear of boxes and stored items, and make sure your carbon monoxide detectors have fresh batteries.

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You may notice a faint burning smell the first time you run the furnace each fall. That’s dust burning off and should fade quickly.