Geothermal Heat Pump Installation in Portland, OR

Geothermal Heating and Cooling for Portland Homes

A geothermal heat pump uses the steady temperature of the ground to heat and cool your home. A few feet down, the earth stays fairly even all year. A geothermal system taps into that stable source. In winter, it pulls warmth from the ground. In summer, it moves heat from your home back into the ground.

Sunset has helped Portland area homeowners stay comfortable since 1922. We install new geothermal heat pumps and replace older ones. Our team serves Portland, Beaverton, Hillsboro, Tigard, Tualatin, and West Linn. Geothermal is one part of our full line of heating services for local homes.

How a Geothermal Heat Pump Works

A geothermal system has three main parts. Each one has a clear job.

A ground loop of buried pipes filled with water or a water mix
An indoor heat pump unit that moves heat in or out of your home
Ductwork or another system that spreads the air through your rooms

The fluid in the loop soaks up heat from the ground in winter. The heat pump then concentrates that heat and sends it through your home. In summer, the process runs in reverse. The system pulls heat out of your home and sends it into the ground.

Geothermal vs. Air Source Heat Pumps

A standard heat pump trades heat with the outdoor air. A geothermal heat pump trades heat with the ground instead. Ground temperatures change far less than air temperatures. That steady source helps the system run smoothly in cold snaps and heat waves. If geothermal is not a fit for your lot, a standard heat pump installation may be a great choice.

Types of Ground Loops

Ground loops come in a few common layouts. The right one depends on your property.

Horizontal loops run in trenches a few feet below the surface.
Vertical loops run deep into the ground through drilled holes.
Pond loops sit at the bottom of a nearby pond or lake.

Horizontal loops need more yard space. Vertical loops fit smaller lots but need drilling. We help you weigh the options for your home.

Benefits of Geothermal Heat Pumps

Geothermal systems offer several benefits for the right home. Here are a few that homeowners value most.

Heating and cooling from one system
Quiet operation with no loud outdoor unit
Steady comfort through wet winters and warm summers
Less energy use than many older heating systems
No fuel to burn inside your home

Every home is different. We look at your needs and help you decide if geothermal makes sense.

Is Geothermal Right for Your Home?

Geothermal works best when the home and the property fit the system. A few questions can point you in the right direction.

Do you plan to stay in your home for many years?
Do you have yard space or access for drilling equipment?
Is your current furnace, AC, or heat pump near the end of its life?
Are you building an addition or doing a major remodel?

If you said yes to a few of these, geothermal may be worth a closer look. Our team can visit your home and talk through the pros and cons. We want you to choose the system that fits your home and budget best.

Limited-Time Offers

Electrical

$500 Off New Electrical Panel

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General

25% Off Rain Drain Cleaning

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Plumbing

Up to $500 Off - Whole Home Water Repipe

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Up to $500 Off - Whole Home Attic Insulation

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Our Geothermal Heat Pump Installation Process

Geothermal installation takes careful planning. We walk you through each step so you know what to expect.

Home and Site Review

First, we look at your home, your heating needs, and your property. Lot size, soil, and access all affect the loop design. We also check your ductwork and insulation.

System Design and Upfront Pricing

Next, we size the heat pump and the loop for your home. A system that is too small will struggle on cold days. A system that is too large wastes energy and money. You get upfront pricing before any work begins.

Installation

Our team installs the indoor unit and connects it to the ground loop. We tie the system into your ducts and controls. A smart thermostat can help you get the most from your new system.

Testing and Walkthrough

We test the full system before we leave. Then we show you how it works and answer your questions. We also explain how to care for the system between service visits. You will know how to use your new system from day one.

Geothermal Heat Pump Replacement

Some Portland homes already have a geothermal system. The ground loop often outlasts the indoor heat pump. When the indoor unit wears out, you may only need to replace that part. We check your existing loop and recommend the best path forward. If the loop needs work, we explain why in plain words. You get clear options before you decide.

Older indoor units can lose comfort over time. You might notice uneven rooms, longer run times, or new noises. These are good reasons to have your system checked. A replacement unit can bring back steady comfort without a new loop.

Good insulation helps any heating system work less. Ask us about attic insulation when you plan your upgrade. Call us at 503-500-5866 to talk about geothermal heating and cooling for your home.

Frequently Asked Questions about Geothermal Heat Pump Installation in Portland, OR

Is my home a good fit for geothermal?

Many homes can use geothermal, but not all. Lot size, soil, and access all play a role. Your ductwork and insulation matter too. We review your home and give you an honest answer.

How long does geothermal installation take?

Timing depends on the loop design and your property. The indoor work is often the simpler part. The ground loop takes more planning. We give you a clear timeline after our site review.

Does a geothermal heat pump need maintenance?

Yes. Like any heat pump, it runs best with regular care. Our heat pump maintenance service helps keep your system in good shape. We check the indoor unit, controls, and airflow.

Can I replace just the indoor unit?

Often, yes. Ground loops usually last much longer than indoor units. If your loop is in good shape, you may only need a new heat pump. We test the loop first to be sure.

How do I pay for a geothermal system?

Geothermal often costs more up front than other systems. The price depends on your home, the loop, and the equipment. We give you upfront pricing before work begins. You can also explore our financing options.

Financing Options Available

Don’t put your home comfort on hold while you save up. Sunset HVAC has flexible financing options to get the service you need now, subject to credit approval. Apply today and breathe easy.

100 Years in Business

Home of the 100% money back guarantee and 0% financing

For over 100 years, Sunset has provided trusted heating and cooling solutions throughout the Portland area, keeping families and businesses comfortable in every season. Built on a foundation of service, innovation, and community dedication, we continue to lead the industry with unwavering commitment to quality and integrity.