New Installation and Replacement

Heating & Air Conditioning System Replacement

Diamond Heating & AirTemp Alaska specializes in new installations and replacements for heating systems, from furnaces and boilers to water heaters, rooftop units, and more. We offer flexible financing options, free quotes, and guaranteed high-quality customer service. Our licensed HVAC service professionals ensure your new system is installed correctly the first time and are always eager to answer any questions you may have about your new heating system. We’re Anchorage Alaska’s best heating and HVAC installation and replacement company and we’re here to handle your headache, no matter how large or small.


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Heating & AC System Replacement

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Call Us Today! 907-561-3490



    • 4.9* Google Rating
    • 25+ Years of Experience
    • Free In-Home Consultation
    • Timely, Professional, and Honest
    • Flexible Financing Options
    • Full Factory Warranties on Equipment
    • Lifetime Workmanship Warranty
    • We Service: Anchorage, Eagle River, Girdwood, and the Mat-Su Valley



    • High Energy Bills– Monthly fluctuations are typical but large continuous increases in energy costs are an early sign that you should upgrade or replace your heating system. Replacing your unit can reduce your energy bills as much as 20%!
    • Frequent Repairs -If your system is in poor condition, requiring frequent repairs, investing in a new system will save you money in the long run. We’ll consult with you and find what solution best fits your heating needs.
    •Poor Performance – Older units lose the ability to maintain a comfortable indoor environment over time. If you notice hot and cold spots in your home, unusual odors, sounds, or excessive dust, it is likely time to upgrade.

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Replacement Services

Gas Furnace Replacement

Today’s new high-efficiency furnaces can save up to 50% in operating costs over a ten-year-old furnace. We want you to be comfortable in your home or workplace so we are equipped to replace and upgrade any new residential or commercial furnace and will do so in a timely manner with exceptional service.

Boiler Replacement

Boiler problems could be caused by a leaky pump, mineral buildup in the pipes of your boiler, or air complications in the heating pipes. If these problems aren't fixed quickly it can seriously affect your boiler's performance and significantly increase energy costs. We provide free estimates for boiler replacement services, so there's no excuse to live with a faulty boiler.

Water Heater Replacement

Having problems with your water heater? Tank style and tankless water heaters can fall victim to a variety of problems from electrical errors to sediment buildup. Whether you have a tank style or tankless water heater we are experts in installing both.

Garage Unit Heater Replacement

Garage unit heater not working? Could be that your fan isn't running, the blades could be blocked or the motor might have permanently burned out. If the fan works but no heat is coming out then there could be an electrical error. Either or, we'll replace and upgrade your garage unit heater so you can stay warm.

Diamond Heating

Why Diamond Heating & AirTemp Alaska

Diamond Heating & AirTemp Alaska has grown to become one of the largest servicers and installers of heating and air conditioning systems in Alaska. We’ve earned accolades for our services and dedication to quality, including the prestigious Subcontractor of the Year award from the Anchorage Home Builders Association.

At Diamond Heating & AirTemp Alaska, we offer replacement and upgrades for heating systems replacement in Anchorage, Eagle River, Girdwood, Mat-Su Valley, and surrounding areas. Our focus is to provide reliable, professional solutions to keep you comfortable throughout the year and our professionally trained replacement HVAC team sincerely cares about your comfort. Whether your home comfort is compromised in the dead of winter or during some warmer months, our team can help. No matter what Mother Nature throws your way, you deserve to be comfortable in your home and business!