Professional Furnace Installation in Boulder, CO
Replacing a furnace is a decision you live with for the next 15 to 20 years — and in Boulder, two things get locked in the day it's installed: whether it's sized right for 5,430 feet, and whether you chose the system that actually fits your home and budget. Get the sizing wrong and you'll fight a short-cycling, oversized furnace every Chinook season. Boulder HVAC Pros sizes with a Manual J calculation and altitude derating, then shows you the honest math on gas versus a heat pump before you commit. For furnace installation in Boulder, call (720) 807-8673.
Licensed & insured • City of Boulder contractor • Serving Boulder since 2005
Manual J sizing • Written estimates • Rebate math up front
WHY WE ARE THE TOP FURNACE INSTALLATION COMPANY IN BOULDER
We size for 5,430 feet. Installation is the one moment altitude sizing locks in for two decades. We run a Manual J load calculation for your home instead of the sea-level rules of thumb that leave Boulder homes with oversized, short-cycling furnaces.
Neutral recommendation, not a sales script. Certified across Trane, Carrier, Lennox, Daikin, Mitsubishi Electric, and more, we match the system to your house — and show you the honest math on a high-efficiency gas furnace versus a cold-climate heat pump.
We handle the rebate paperwork. Where a heat pump fits, we build the proposal around stacking Xcel Energy and Colorado incentives and file the paperwork most installers won’t touch.
A written estimate before any work. You approve equipment, labor, and any rebates in writing before we begin, and every install is backed by our workmanship guarantee.
WHY BOULDER HOMEOWNERS TRUST US FOR FURNACE INSTALLATION
Replace on your schedule, not in a crisis. A furnace on its last legs quits on the coldest night, when install slots are scarce — planning ahead lets you compare options calmly.
Rebates reward planning. Where a heat pump fits, Xcel Energy and Colorado incentives can offset thousands, but capturing them takes equipment selection and a permitted install, not an emergency swap.
The 2026 code is now in effect. Colorado’s Model Low Energy and Carbon Code is the state minimum and Boulder County has electric-ready requirements — any replacement today is governed by these rules, so it pays to work with an installer who navigates them correctly the first time.
OUR FURNACE INSTALLATION SERVICES IN BOULDER
New Furnace Installation, Furnace Replacement, Or Full Heating Upgrade.
We provide complete furnace installation services in Boulder, handling everything from new installs to full replacements. Our licensed technicians install gas, electric, and high-efficiency furnaces with proper load calculations, clear pricing, and full safety testing. Every system is checked for performance and combustion safety before we finish. Serving Boulder County and surrounding Front Range areas.
Manual J Load Calculation & Sizing
- Whole-home heat-loss calculation
- Altitude derating for 5,430 feet
- Right-sized to prevent short-cycling
- Ductwork airflow check
High-Efficiency Gas Furnace Installation
- High-AFUE furnace selection
- Correct altitude configuration
- Existing gas-service hookups
- Written efficiency comparison
Cold-Climate Heat Pump Option
- Cold-climate ASHP sizing
- Xcel rebate qualification check
- Heat and cool from one system
- Gas-vs-heat-pump cost modeling
Furnace Replacement & Removal
- Old system removal and disposal
- Like-for-like or upgrade paths
- Minimal-downtime changeouts
- Rebate-eligible replacements
New Construction & Additions
- New-build furnace installation
- Load calc for new layouts
- Code-compliant venting
- Builder coordination
Whole-Home Humidifier Add-On
- Bypass or steam humidifier
- Integrated with the furnace
- Dry-winter comfort
- Protects wood and finishes
Our Professional Furnace Install Process
We've refined our furnace installation process so every Boulder homeowner receives a smooth, transparent, and professionally executed project. Here's exactly how every furnace installation across Boulder County moves from the first phone call to the final safety check.
Why It Matters
Bad Furnace Installation Outlasts The Furnace Itself.
Incorrect furnace installation reduces efficiency, increases safety risks, and can shorten system life by years while raising energy costs.
Correct Sizing Controls Costs
An oversized furnace short-cycles and wastes fuel; a Manual J sizing for altitude keeps it efficient and long-lived.
Safe Venting Is Critical
Proper combustion venting keeps exhaust gases, including carbon monoxide, safely outside; a bad install is a safety fault.
Ductwork Impacts Performance
Even a perfect furnace underperforms on undersized or leaky ducts, so we assess airflow as part of the job.
Code Compliance Protects Value
A permitted, code-compliant install protects your warranty and clears a future home-sale inspection.
Installation Protects Warranty
Manufacturer warranties require correct, documented installation; a cut-corner job can void coverage.
OUR PROMISE
You’ll always know what you’re paying — before we start.
Every furnace installation in Boulder starts with full transparency. Here is what that promise means for every homeowner and business we serve along the Front Range.
Licensed Furnace Installers
City of Boulder licensed, insured, and certified across ten major brands.
Written Installation Estimates
Itemized pricing with rebates shown, approved before any work.
Altitude-Correct Sizing
Every install is Manual J–sized and calibrated for 5,430 feet.
Workmanship Guarantee
Every installation is backed by our workmanship guarantee.
Get a Straight Furnace Replacement Quote in Boulder
Whether a high-efficiency gas furnace or a cold-climate heat pump turns out to fit your home better, Boulder HVAC Pros sizes it right for 5,430 feet, shows you the honest cost-and-rebate math on both, and gives you a written estimate before any work starts. Call (720) 807-8673 to schedule a furnace installation consultation in Boulder or any surrounding Front Range community.
BENEFITS OF PROFESSIONAL FURNACE INSTALLATION
What A Properly Installed Furnace Actually Delivers For 20 Years.
Proper furnace installation ensures your system delivers its rated efficiency through correct sizing, airflow, and combustion setup.
Serving Boulder Since 2005
Installing and replacing furnaces across Boulder and the Front Range since 2005.
City of Boulder Licensed & Insured
A licensed Mechanical Contractor and City of Boulder licensed, insured HVAC contractor.
Ten Major Brands Installed
Trane, Carrier, Lennox, Daikin, Mitsubishi Electric, Rheem, Bryant, American Standard, York, and Goodman.
Factory Certifications
Trane Comfort Specialist, Carrier Factory Authorized Dealer, Lennox Premier Dealer, Daikin Comfort Pro, and Mitsubishi Electric Diamond Contractor.
Written Estimates with Rebates
Equipment, labor, and every rebate itemized before you decide.
Workmanship Guaranteed
Every installation is backed by our workmanship guarantee.
Local Furnace Installation Experts Serving Boulder
In Boulder, a furnace replacement is really two decisions: sizing it correctly for 5,430 feet, and choosing between a high-efficiency gas furnace and a cold-climate heat pump. We run the Manual J, model both paths with any Xcel Energy and Colorado rebates, and hand you the numbers so you decide.
Boulder HVAC Pros installs and replaces furnaces across Boulder, Lafayette, Louisville, Superior, Erie, Broomfield, Longmont, Niwot, Gunbarrel, Nederland, and Lyons. Serving the Front Range since 2005, we pull the permits and calibrate every system for altitude.