Castle Rock, CO New Gas Furnaces

Credible Airstarstarstarstarstar4.9 / 5

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29 Total Reviews /files/caha-logo-250-96.png303-663-4100$200 S Wilcox St #433, Castle Rock CO

Furnace Replacement and New Installations

Book Now with Credible Air

Credible Air is the best source for efficient new gas furnaces for either new construction or replacement applications. If you’re building a new home, or if your existing system in Douglas County is getting a bit older you should consider upgrading to a new efficient and reliable gas furnace from Credible Air.

Winters in central Colorado are long and harsh. In the winter months a properly designed, installed, and maintained gas furnace is the most important appliance in your home. At Credible Air, our factory-trained, licensed and insured heating technicians have local knowledge to help you choose the features you need and size your system properly to ensure wintertime comfort and efficiency.

Call Credible Air today for expert furnace services!
Book furnace services with Credible Air

We work quickly so that your home and routine are disrupted as little as possible. We also make sure that our workspace is clean after your installation is finished.

Furnace Service

Featured Armstrong Air Furnaces

A97MV Furnace

A97MV Gas Furnace

High-Efficiency Modulating Furnace

  • 97% AFUE Efficiency
  • Modulating Heat
  • ENERGY STAR Most Efficient 2020
Get Your Estimate
A962V Furnace

A962V Gas Furnace

High-Efficiency, Variable Speed Furnace

  • 96% AFUE Efficiency
  • Two-Stage Heating
  • ENERGY STAR Certified
Get Your Estimate
A802V Furnace

A802V Gas Furnace

High-Efficiency Modulating Furnace

  • 80% AFUE Efficiency
  • Two-Stage Heating
  • Variable Speed Fan Motor
Get Your Estimate

Get your furnace ready for winter

Schedule furnace maintenance with Credible Air today.



Furnace Maintenance

Schedule Now
Schedule furnace installation today

Armstrong Pro Series™ Gas Furnaces

Armstrong Pro Series™ systems are the ultimate in comfort and quality. They are offered exclusively through the most experienced, professional Armstrong dealers.

Armstrong Pro Series™ Furnaces

  • Two condensing series with up to 97% efficiency, and a capable 80% series for high quality conventionally vented systems
  • Variable-speed fan motors
  • Modulating Heat technology, or two-stage operation adjusts system operation to meet current demand
  • Energy Star® Most Efficient 2020 (A97MV Series)
  • Comfort Sync® A3 Enabled controls for optimized performance

Armstrong Constant Torque Models

  • System Control with our Comfort Sync® Thermostat APP
  • Voice-activated with Amazon Alexia and Google Assistant
  • Allergy Sync™ monitors the air quality and pollen levels in our area and automatically initiates system operation to improve indoor air quality
  • Away Sync™ uses GPS in your Apple or Android device to change thermostat settings when you leave or return to home.
Schedule furnace installation today

Armstrong Constant Torque Models

  • Up to 95% AFUE
  • A951E 95% single stage condensing or A801E 80% are perfect affordable replacement systems
  • Constant Torque blower motors
  • Energy Star®: most models are energy star rated
  • A801E 80% AFUE Armstrong series is the perfect furnace replacement choice with conventional chimney venting
  • All models are convertible to LP Gas
Gas Furnace Rebates and Incentives
Black Hills Energy is our local natural gas utility. They offer natural gas customers a $350 rebate replacing your existing older gas furnace with a new Armstrong condensing gas furnace. Click here for the details. If you need furnace service, we are here to help. We offer 24 /7 emergency service and our Nate Certified technicians service all gas furnace brands. For more information about our heating repair services click here.
Credible Air LLC has been owned and operated by the Gentile family in Castle Rock, CO since 2003. We are licensed, certified and insured to operate in the surrounding areas specializing in system design, installation, repair and maintenance of heating and cooling equipment for residential and light commercial customers.
As a long term member of the Castle Rock, CO community, we have earned an A+ rating from the Better Business Bureau.

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