New markets now open in Texas, Florida & California →

Furnace Replacement in Aurora, CO: Complete Cost & Installation Guide

Aurora winters demand reliable heating, and an aging or failing furnace can leave your home cold and your energy bills climbing. Whether you're facing a complete breakdown or planning a proactive replacement, understanding your options—from AFUE ratings to available rebates—helps you make the best investment for your home. This guide covers everything Aurora homeowners need to know about furnace replacement costs, efficiency standards, and the local permitting process.

Get Free Furnace Quotes from Aurora Contractors

Furnace Replacement Costs in Aurora, CO

Furnace replacement in Aurora typically ranges from $3,500 to $8,500 installed, depending on unit size, efficiency rating, and complexity of installation. A standard mid-efficiency gas furnace (80–85 AFUE) costs $3,500–$5,000, while high-efficiency models (95+ AFUE) run $5,500–$8,500. Electric furnaces are less common in Aurora but cost $2,500–$4,500 upfront; however, operating costs are significantly higher given Colorado's gas availability.

Labor typically accounts for $1,200–$2,000 of the total, including removal of your old unit, new ductwork adjustments, and thermostat integration. Factors that increase costs include difficult attic or basement access, extensive ductwork modifications, and installation of new venting or gas lines. Getting multiple quotes from licensed Aurora HVAC contractors helps ensure competitive pricing and quality workmanship.

AFUE Ratings: What They Mean for Your Energy Bills

AFUE (Annual Fuel Utilization Efficiency) measures what percentage of fuel a furnace converts into usable heat. A furnace with an 80 AFUE rating wastes 20% of fuel as exhaust, while a 95 AFUE model wastes only 5%. In Aurora's cold winters, the difference adds up: upgrading from an 80 AFUE to a 95 AFUE furnace can reduce heating costs by 15–20% annually.

Current federal minimum standards require 80 AFUE for gas furnaces, but Aurora homeowners benefit from choosing 90+ AFUE units, especially if you plan to stay in your home 10+ years. These high-efficiency furnaces qualify for Colorado state rebates and may lower your energy bills enough to offset the higher purchase price within 5–7 years. Your local utility provider, Xcel Energy, occasionally offers additional rebates for Energy Star-certified installations.

Gas vs. Electric Furnaces for Aurora Homes

Natural gas furnaces dominate Aurora's market because Colorado's abundant gas supply and lower operating costs make them the most economical choice. Gas furnaces are also smaller and require less electrical capacity than electric units, making them easier to fit into existing spaces.

Electric furnaces use heating elements similar to a space heater and cost less upfront but consume significantly more electricity, resulting in higher monthly utility bills—especially during Aurora's 6–7 month heating season. Heat pumps, a hybrid electric option, provide both heating and cooling and are becoming more popular as technology improves, though they're most efficient in milder climates than Colorado's.

For Aurora homeowners, natural gas furnaces remain the practical standard. They're reliable, widely serviced by local contractors, and maximize your heating budget.

Top Furnace Brands & Warranty Considerations

  • Carrier & Bryant – Premium reliability; 10-year parts warranty on high-efficiency models; widely serviced in Aurora.
  • Lennox & Armstrong Air – Mid-range efficiency with good warranty coverage; parts and labor warranties vary 5–10 years.
  • Trane & American Standard – Durable units popular with Aurora contractors; excellent parts availability; 10-year limited warranties standard.
  • York & Heil – Budget-friendly options with solid performance; 5–7 year warranties; good local service network.
  • Goodman & Amana – Budget brands with acceptable reliability; shorter 5-year warranties but lower initial cost.

Colorado Permits & Installation Requirements

Colorado requires a mechanical permit for any furnace replacement, even if you're installing the same size unit. Aurora's building department charges $75–$150 for a permit, and installation cannot proceed legally without one. Licensed HVAC contractors handle permit applications as part of their service; homeowner DIY installation is not recommended and voids most warranties.

Installation timelines in Aurora typically take 1–2 days. Inspectors verify proper venting, gas line pressure testing, electrical connections, and ductwork sealing. High-efficiency (condensing) furnaces require special venting because they extract more heat and produce condensation—this must be properly drained. Your contractor should handle all inspection scheduling; permits usually pass without issue if work meets current code standards.

Colorado Rebates & Tax Incentives

Colorado offers financial incentives for high-efficiency furnace installations. Xcel Energy, Aurora's primary utility, provides rebates of $300–$600 for Energy Star-certified furnaces (typically 90+ AFUE). Some newer high-efficiency models qualify for additional manufacturer rebates worth $200–$500.

Federal tax credits for residential HVAC improvements vary by year and energy savings level; consult your tax advisor for current eligibility. Aurora residents should ask their HVAC contractor about available rebates before purchasing—many contractors apply rebates directly to your invoice, reducing out-of-pocket costs. Combining state and utility rebates with federal incentives can reduce your net cost by $800–$1,200 on premium units.

Frequently Asked Questions

How long does a furnace last, and when should I replace mine?

Most furnaces last 15–20 years with proper maintenance. If your Aurora home's furnace is over 15 years old, has high repair costs, or shows signs of rust and corrosion, replacement is usually more cost-effective than repairs. A professional inspection can confirm whether your unit is worth servicing or should be replaced.

Can I install a furnace myself in Aurora, CO?

No. Colorado law requires all furnace installations to be performed by a licensed HVAC contractor and inspected by the local building department. DIY installation violates code, voids the warranty, and creates safety risks from improper gas venting and combustion. Always hire a licensed Aurora contractor.

Do I need to replace my ductwork when I replace my furnace?

Not always. If your existing ductwork is in good condition, properly sealed, and sized correctly for your new furnace, you can reuse it. However, older homes may have inefficient or damaged ducts. Your contractor will inspect your ductwork and recommend sealing or upgrades if needed to maximize efficiency and comfort.

What size furnace do I need for my Aurora home?

Furnace size is measured in BTU (British Thermal Units) and depends on your home's square footage, insulation, climate zone, and window efficiency. An oversized furnace cycles on and off too frequently, wasting energy, while an undersized unit can't heat adequately. Your HVAC contractor will perform a heat load calculation to determine the correct size for your specific home.

How much will my heating bills decrease with a high-efficiency furnace?

Upgrading from an 80 AFUE furnace to a 95 AFUE model typically reduces heating costs by 15–20% annually, depending on your usage and local gas rates. In Aurora's climate, this savings often amounts to $200–$400 per year, meaning a high-efficiency furnace pays for itself in 5–7 years through utility savings alone.

Explore More in Aurora, CO

Ready for a free quote in Aurora?

Connect with licensed, verified Aurora Hvac contractors.

Get Free Furnace Quotes from Aurora Contractors