Old oil furnace beside a newly installed heat pump air handler in a rural basement
Spokane, WA

Oil-to-Heat-Pump Conversion in Spokane, WA | Full Fuel Replacement and Electrical Capacity Assessment

Spokane WA Heat Pump Installation is a heat pump contractor providing oil-to-heat-pump conversion for homeowners and property owners across Spokane County, WA and out to the Idaho state line. Every job starts from a load calculation rather than the size of whatever came out.

Oil heating persists on older rural properties around Spokane County where natural gas was never run, and converting away from it is usually a full replacement rather than a dual fuel arrangement. Oil prices are volatile, delivery is a logistical commitment through winter, and the equipment tends to be old. The conversion involves removing or decommissioning the oil furnace, dealing with the tank, and confirming the electrical service can support a heat pump, which on older rural properties is frequently the item that dictates the project scope.

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Where oil heating stops being the practical default
-20°17°32°47°65°85°100°
Whole season

Unlike a gas dual fuel arrangement with a changeover point, oil conversions usually remove the fuel entirely. The heat pump carries the full season, which makes cold climate specification and correctly sized backup heat more important than in a dual fuel job.

100 ampService size many older rural properties still have
2Tank types to deal with, above ground and buried
Full swapOil conversions are usually complete replacements
Oil to Heat Pump Conversion Spokane

Spokane WA Oil-to-Heat-Pump Conversion

What actually matters on an oil conversion

Oil conversions are the largest scope change of any conversion type, because the properties involved are usually the oldest.

  • Electrical service capacity assessed before anything else, since it often sets the scope
  • Oil tank decommissioning discussed openly, including buried tanks and their complications
  • Cold climate equipment specified, because there is no fossil fuel backup remaining
  • Existing ductwork or hydronic distribution assessed for suitability

Buried oil tanks are the complication that changes an oil conversion from straightforward to complicated. An abandoned underground tank has environmental implications and its removal or in-place decommissioning is specialist work that sits outside HVAC. We flag it clearly at the assessment stage and point you to the right people rather than working around it, because it is not something to discover after the heating has been replaced.

The usual approach

Remove the oil furnace, install the heat pump and leave the tank and the electrical service capacity as somebody else's problem.

How we do it

Assess the electrical service first, identify what has to happen with the tank, and give you the whole picture including the parts that are not our work.

Disused above ground oil tank beside a rural Spokane home

At a glance

Conversion type
Usually complete replacement
Electrical
Service capacity assessed first
Tank
Decommissioning identified and referred
Equipment
Cold climate specification
Detail

Sizing and equipment selection for an oil conversion

Because the oil appliance is being removed rather than retained, the heat pump has to carry the entire heating load at Spokane's winter design condition. That pushes the specification firmly towards cold climate equipment with published capacity data well below zero, rather than standard equipment relying on a fossil fuel partner for the cold end of the season.

Distribution is the other decision. Where the property has ductwork from a forced air oil furnace, a ducted heat pump follows naturally. Where the oil appliance was a boiler feeding hydronic baseboard there is no duct system at all, and the realistic options become ductless heads, an air to water heat pump, or installing ductwork as part of the project. Each carries a very different cost, and we set them out side by side.

What separates a good job from an average one

  • Electrical service capacity is the item that most often dictates whether the project is straightforward or substantial.
  • Older rural properties may have wiring and panels that predate any expectation of electric heating, and an upgrade there is a real cost line.
  • The distribution system matters. A property on hydronic baseboard from an oil boiler has no ductwork at all, which changes the equipment choice entirely.
  • Since the fossil fuel backup is being removed completely, the heat pump has to carry the full design load rather than sharing it.
  • Backup heat sizing becomes more important, since there is no furnace remaining to fall back on during an equipment failure.

What drives the cost of an oil conversion

100 ampCommon existing rural service size
2Distribution paths, ducted or hydronic
Full loadCarried by the heat pump alone

Oil conversion cost is dominated by two items outside the heat pump itself: electrical service capacity and, where there is no ductwork, the distribution system. Either can exceed the equipment cost on an older rural property.

Tank decommissioning is a separate specialist cost that we do not carry out, and we would rather you had that number in front of you at the planning stage than discovered it later. We will tell you what to expect and who to speak to.

How it runs

What happens, in order

Step 01

Assess the property

We check the electrical service capacity, the existing distribution system and the oil tank situation before discussing equipment.

Step 02

Set out the options

Where there is no ductwork, the realistic distribution options are priced side by side rather than presented as one answer.

Step 03

Install

The oil appliance is removed, the heat pump system is installed, and any electrical capacity work is completed.

Step 04

Commission and hand over

Heating operation is verified at low ambient, backup heat is configured, and you are shown how the system behaves through a season.

Before we arrive to assess an oil conversion

Oil conversions need more information gathered upfront than any other job we do, because the property's infrastructure sets the scope.

  1. Locate your electrical panel and photograph the main breaker rating, since service capacity frequently determines the project scope.
  2. Establish whether your oil tank is above ground or buried, and if buried, whether any documentation of it exists.
  3. Note whether your oil system is forced air with ducts or a boiler feeding baseboard, as the two lead to completely different solutions.
  4. Have a recent fuel delivery invoice available if possible, since annual oil consumption gives us a useful cross check on the calculated load.
  5. Clear access to the oil furnace or boiler and to the tank so both can be assessed properly.

Frequently asked questions

Can I get off oil heating entirely with a heat pump?
Yes, and that is usually the goal rather than a dual fuel arrangement. Since the oil appliance is being removed, the heat pump has to carry the full heating load, which means cold climate equipment specified against Spokane's winter design condition rather than standard equipment.
What happens to my oil tank?
Above ground tanks are comparatively straightforward to drain and remove. Buried tanks are a different matter with environmental implications, and decommissioning them is specialist work outside HVAC. We identify what you have at the assessment and point you to the right people.
Will my electrical service handle a heat pump?
That is the first thing we check, and on older rural properties it is frequently the item that sets the project scope. Many properties around Spokane County still have a service that predates any expectation of electric heating, and an upgrade is a genuine cost line rather than an afterthought.
Do I need to be present while you convert from oil?
Yes, particularly at the assessment stage. Oil conversions involve decisions about the tank, the electrical service and the distribution system that are yours to make, and they are best made with everything in front of you.
Do you offer free quotes for oil to heat pump conversion?
Yes. The assessment visit takes longer than most because it covers the electrical service, the distribution system and the tank situation, but it is not charged and you get the full picture including the parts that are not our work.
What if I have baseboard radiators rather than ducts?
Then there is no duct system to reuse and the options become ductless heads, an air to water heat pump feeding your existing hydronic loop, or installing ductwork. Each carries very different costs and disruption, and we set all three out rather than pushing one.

Oil-to-Heat-Pump Conversion in Spokane

Phone
509-352-6630
Quote
Free, includes the load calculation measurements
Typical duration
Cold climate specification
Service area
Spokane County, WA and Post Falls, ID

Oil-to-Heat-Pump Conversion in Spokane, WA

Call for a load calculation and an itemised quote. You keep the numbers either way.

Request a quote
509-352-6630