Heat Pump Repair in Redding

Heat pump won’t heat or cool, stays iced over, or won’t keep up? Iron Horse Heating & Air repairs ducted heat pumps in Redding and nearby towns. We’ll check both the indoor and outdoor equipment to find the cause.

Two Innovair outdoor heat pumps mounted side by side on a building

What’s your heat pump doing?

The outdoor unit stays iced over

Some frost can clear on its own during defrost. If thick ice sticks around or keeps building back up, there may be a problem.

It runs but won’t heat or cool

Air moves through the vents, but the temperature at the thermostat barely changes. Tell us which mode you’re using when it happens.

The outdoor unit won’t start

If the indoor blower runs while the outdoor unit stays off, we’ll check whether it’s getting the signal and power it needs.

Is frost on a heat pump normal?

A thin layer of frost can form in heating mode. It usually clears during defrost, and you may see steam as it melts. If ice covers the coil and stays put, or the house stops warming up, schedule a service call.

What to tell us Let us know whether the problem happens in heating or cooling mode, how long it runs, and whether the thermostat shows AUX or an error code.

What we check on a heat pump repair call

We check the thermostat, airflow, and what the outdoor unit is doing in the mode that’s giving you trouble. If the system stays iced up, we look at defrost operation and the outdoor fan.

Depending on what we find, we may test the sensors, controls, or the valve that switches between heating and cooling. If the readings point to a refrigerant problem, we check what’s behind it and explain the repair.

What affects the cost? Cost depends on what failed, which parts your model needs, and how much work the repair takes. We’ll explain the options before you approve work.

Heat pump problems we diagnose

Defrost and outdoor fans

We check why ice isn’t clearing and whether the outdoor fan runs when it should.

Heating and cooling controls

We check whether the system switches modes when called and runs the way the thermostat is asking it to.

Indoor airflow and backup heat

We check the air handler and, where the system has it, whether the backup heat is coming on when it should.

Let Our Customers Do the Talking

Hear from Redding-area homeowners and businesses about their experience with Iron Horse Heating & Air.

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Josh Fisher profile picture
Josh Fisher
15 days ago
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Gavin came for a bid. Looked around, took measurements. Went to truck, 20 minutes later had bid. Which was an amazing price!!!! Super clean and the crew he had was great with an awesome sense of humor. I definitely recommend this company to do your work!!!!!!
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Tony Reger profile picture
Tony Reger
69 days ago
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Scheduled an appointment quickly. Showed up on time. Took care of the problem quickly. I would highly recommend.
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James Eilts profile picture
James Eilts
94 days ago
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+1
The owner Gavin was super to work with from start to finish! Him and his team went above and beyond expectations working in the attic in the afternoon hours while hot to assure the family had air conditioning up and running for the evening. The quality of work was apparent right away. We in He is super knowledgeable and will take the time to make sure all is understood! Couldn’t be happier! Jim
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Lori Rafferty profile picture
Lori Rafferty
98 days ago
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Friendly and efficient!
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Kristina Brace profile picture
Kristina Brace
103 days ago
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Appreciate not only the expertise and fair prices but going the extra mile for our emergency situation. No AC in our 1 bedroom ...lender us a window unit!! Saved the 2 days!!
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Edward Sprague profile picture
Edward Sprague
104 days ago
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Great experience. Came out same day I called and got my Air conditioner up and running in a few hours. Was very professional and did not try to upsell me. Just gave me what I needed and fixed it fast. 5 stars!
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Dylan Sacco profile picture
Dylan Sacco
105 days ago
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The dude is on it. He has fixed AC units for me quicker than I would have ever expected. Appreciate ya Gavin!
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jean profile picture
jean
107 days ago
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Iron Horse Heating and Air was scheduled a few weeks ago to come out and service the heating/air unit during the week. That Sunday the air went out and he came out the next day instead He was very helpful and professional. The service was great and we will definitely use them again.
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Jon butcher profile picture
Jon butcher
109 days ago
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Great guys
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Daniel Villarruel profile picture
Daniel Villarruel
113 days ago
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Awesome!!!
Iron Horse Heating & Air service truck in front of Mount Shasta

Areas We Serve

Iron Horse is based in Redding. We repair ducted heat pumps for homeowners in these communities.

Heat Pump Repair questions

Why does my thermostat say AUX?

AUX usually means backup heat is running. If it’s on most of the time or the house still won’t warm up, we can check why.

Do you work on dual-fuel systems?

Yes. A dual-fuel setup uses a heat pump and a gas furnace. We check how the controls switch between them and which equipment is failing.

Is a tune-up different from a repair?

A tune-up checks a system that’s already running. If you have a specific problem like no heat or ice that won’t clear, start with a repair visit.

Considering a replacement heat pump?

Compare replacing your existing heat pump, switching to all-electric, or keeping a gas furnace as backup.