Green Energy & High Efficiency
Lower Bills. Cleaner Air. A Colorado Worth Keeping.
The most efficient equipment made today, installed by a Denver neighbor who runs the numbers on your actual utility rates before recommending anything. We handle the Xcel Energy rebate paperwork and Colorado heat pump tax-credit documentation for you.
Common Problems We Fix
Sound Familiar?
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Low-NOx furnaces
Up to 96% efficient and built to meet the tightest emissions standards. Less gas burned, cleaner Front Range air.
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Cold-climate heat pumps
Full heating capacity to about 5°F. Paired with your furnace as dual-fuel, it covers most of the Denver winter on cheap electricity.
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Ductless mini splits
Zoned heating and cooling for additions, basements, garages, and older homes without ducts. Whisper quiet.
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ENERGY STAR equipment
Every system we recommend is ENERGY STAR certified where a rating exists, which is also what unlocks most rebates.
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Xcel Energy rebates
Rebates on qualifying furnaces, ACs, heat pumps, and smart thermostats. We file the forms; you get the check or bill credit.
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Smart thermostats & zoning
The cheapest efficiency upgrade there is. Often bundled free with a new system install.
Takes less than 30 seconds. A real person calls you back.
What's Included
Everything Under the Green Energy & High Efficiency Umbrella.
Every written estimate shows the price after rebates next to the monthly financing payment, so you can compare a standard system with a high-efficiency one on equal footing.
Financing & rebates- Low-NOx, high-efficiency furnace installation
- Cold-climate and dual-fuel heat pump systems
- Ductless mini-split installation (single and multi-zone)
- ENERGY STAR certified air conditioners
- Xcel Energy rebate filing and Colorado heat pump tax-credit documentation
- Home energy walkthrough with every estimate
- 5.0 500+ Happy Customers
- NATE NATE CertifiedIndustry Qualified
- BBB A+ RatingBetter Business Bureau
- LENNOX We Service
Lennox Systems - TRANE We Service
Trane Systems
What is a Low-NOx furnace?
A furnace with burners designed to produce far less nitrogen oxide, a key ingredient in Front Range smog. Several Colorado utilities and jurisdictions now favor or require them, and they qualify for the best rebates.
Will a heat pump save me money in Denver?
For most homes, yes across summer and the shoulder seasons. We model it against your Xcel rates and show you the payback before you decide.
Can a mini split heat a room in winter?
Cold-climate mini splits heat efficiently well below zero. They are the go-to for finished basements, garages, and additions where extending ductwork is not practical.
Real Denver Neighbors
Five Stars Feel Different Here.
- Furnace repair
“Duality was amazing! Fast, honest, and got our heat back on the same day. So refreshing to work with a company that actually cares.”
Sarah M.Denver, CO - AC repair
“Professional, on time, and incredibly knowledgeable. They explained everything clearly and didn’t try to upsell us. Highly recommend!”
Mike T.Lakewood, CO - Heat pump install
“Best HVAC company we’ve ever used. Friendly, local, and truly neighborly. Our home has never been more comfortable!”
Emily R.Denver, CO
Ready When You Are
Tell Us What's Wrong. We'll Call You Back in Minutes.
Three quick taps. A real Denver dispatcher calls to confirm your address and get a truck moving. No call center, no waiting on hold.
- Written flat-rate price before any work starts
- Same-day service across the Denver metro
- No overtime fees, nights and weekends included
Prefer to talk? (720) 518-4328, open 24/7 in denver.