top of page
CornerstoneLogoPNG.png

Your Trusted HVAC Contractor for Quality Services

Contact Us

Cornerstone Heating & Air Inc. North Idaho

cover photo.png

About Cornerstone Heating & Air – Trusted HVAC Experts in North Idaho

Cornerstone Heating & Air is a family-owned HVAC company with more than 35 years of experience that specializes in both residential and commercial HVAC systems – local, licensed, and dependable. Our reliability, honesty, and fair price reputation has built our company. That’s why over 90% of our business comes from referrals. Cornerstone’s reputation of expert, professional installations and attentive customer service lets you know that efficiently heating and cooling your home or business is in good hands.

Our customers are happy with our work, and they DO TELL their friends and family.
As a family-run business, we know you work hard to support your family and/or run a business. We respect and value that. We are sincerely committed to treating our customers like neighbors, because you are our neighbors. Heating and cooling a home is a big investment. It’s important, when choosing an HVAC company, it would be well worth it to contact Cornerstone Heating & Air. We could save you thousands over what some companies charge.

Serving the HVAC needs of Coeur d’Alene, Post Falls, Hayden, Rathdrum, and surrounding North Idaho communities. Unfortunately, at this time, we are not offering repair service or preventive maintenance plans. However, if you want an exceptional installation of your HVAC system at a very fair price, then call Cornerstone, where we are Bringing Comfort to Your World.

​

​

32aeb220-7f4c-440d-961d-cb2542f45cf1.png

At Cornerstone, your comfort is our priority, and your trust is our cornerstone.
What we do...

Residential

Your home’s comfort is our priority. Cornerstone Heating & Air provides trusted, high-quality HVAC services designed to keep North Idaho families cozy in the winter and cool in the summer. From new installations to repairs and upgrades, our experienced team is here to help.

Our residential services include:
✅ Air conditioning installation, repair, and replacement
✅ Furnace and heat pump installation, repair, and replacement
✅ Ductless mini-split systems for zoned comfort
✅ Indoor air quality solutions, including filtration and ventilation
✅ Gas piping for appliances, fireplaces, and outdoor living spaces

💡 Why Cornerstone?
We’re your neighbors — local, dependable, and dedicated to doing the job right. When you choose Cornerstone, you get personalized service, honest recommendations, and lasting comfort for your home.

Commercial

At Cornerstone Heating & Air, we understand that comfort, reliability, and efficiency are critical for your business. That’s why we offer comprehensive commercial HVAC solutions tailored to meet the needs of offices, retail spaces, restaurants, warehouses, and other commercial properties across North Idaho.

Our commercial services include:
✅ Design, installation, and replacement of commercial HVAC systems
✅ Energy-efficient upgrades to help control utility costs
✅ Ductless and zoned systems for flexible, targeted comfort

💡 Why choose Cornerstone?
We’re local, responsive, and committed to helping businesses create comfortable, efficient environments. When you work with us, you get experienced technicians who understand the unique demands of commercial HVAC systems.

Let us help keep your business comfortable year-round — contact us today!

Gas Piping

​

Cornerstone Heating & Air provides safe, reliable gas piping installation and repair for residential and commercial properties throughout North Idaho. Whether you’re adding a new gas appliance or need to replace aging lines, our licensed professionals ensure your gas system meets all safety codes and operates efficiently.

Our gas piping services include:
✅ New gas line installation for furnaces, fireplaces, stoves, dryers, BBQs, and more
✅ Gas line replacement and upgrades
✅ Leak detection and repairs
✅ Code compliance and safety checks

💡 Why choose Cornerstone?
We take gas safety seriously. Our experienced technicians use the highest quality materials and follow strict installation standards to give you peace of mind.

Contact us today to discuss your gas piping needs!

Retrofit (replacement and upgrades of outdated existing equipment)

Is your HVAC system outdated, inefficient, or no longer meeting your comfort needs? Cornerstone Heating & Air specializes in retrofit solutions that replace and upgrade existing equipment — helping you improve energy efficiency, performance, and reliability without the cost of a full system overhaul.

Our retrofit services are perfect for:
✅ Replacing aging air conditioners, furnaces, and heat pumps
✅ Upgrading to modern, energy-efficient equipment that lowers utility bills
✅ Integrating smart thermostats and advanced controls
✅ Improving indoor air quality with updated filtration and ventilation systems

💡 Why retrofit?
Upgrading old equipment can extend system life, enhance comfort, and reduce operating costs — all while being a smart investment for your home or business.

Contact us today to see how a retrofit can help you stay comfortable and save money!

Mini-Splits /Ductless Systems

Looking for flexible, energy-efficient comfort without the need for ductwork? Cornerstone Heating & Air installs and services high-performance ductless mini-split systems — perfect for homes, cabins, additions, shops, or any space where traditional ducted systems aren’t practical.

Our ductless solutions provide:
✅ Heating and cooling in one compact system
✅ Zoned comfort — control the temperature in individual rooms or areas
✅ Quiet operation with sleek, modern indoor units
✅ Excellent energy efficiency that can lower your utility bills

💡 Why choose ductless?
Mini-split systems are easy to install, highly versatile, and ideal for North Idaho homes that need targeted comfort or have unique layouts.

Let our experts help you find the right system for your space!

HVAC Services

At Cornerstone Heating & Air, we provide complete HVAC solutions to keep your home or business comfortable in every season. Whether you need heating, cooling, or indoor air quality services, our experienced team is here to deliver reliable, efficient results you can trust.

From installing brand-new systems to upgrading outdated equipment or performing fast, effective repairs — we do it all. We work with top-quality brands and offer energy-efficient options designed to fit your space and your budget.

💡 Your comfort is our mission.
When you choose Cornerstone, you get local experts who care about doing the job right — with honest advice, friendly service, and lasting solutions for all your HVAC needs.

bottom of page