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Costs of a New Heat Pump in South Denver

For more than 50 years, our Littleton team has helped homeowners across the South Denver Metro area choose comfortable, efficient heating and cooling without surprises. If you’re researching a new system, it’s natural to start with price. Below, you’ll find clear, locally grounded guidance to help you understand what an HVAC system cost looks like for our climate and elevation—so you can plan with confidence.

Costs of a New Heat Pump in South DenverWhat Drives HVAC System Cost in the South Denver Metro Area

A few key factors shape the final price you’ll see on a proposal:

Home Size and Layout:

Larger or multi-level homes require more capacity and careful airflow design.

System Type:

Furnace + central AC, heat pump, or ductless mini-splits each come with different price ranges.

Efficiency Level:

Higher-efficiency and variable-speed systems cost more upfront but typically deliver lower utility bills and quieter comfort.

Ductwork Condition:

New or modified ductwork can add to the overall investment and improve comfort room to room.

Installation Quality:

Proper load calculation, high-altitude setup, and clean workmanship in South Denver’s 5,000+ ft elevation are essential to long-term reliability.

Local Permits and Code Requirements:

Inspections and permits are part of a professional installation and protect your investment.

Rebates and Credits:

Xcel Energy rebates and tax credits can meaningfully reduce net cost.

Typical Price Ranges by System Type

While every installation is unique, these general ranges can help you understand what to expect when planning for a replacement.

Furnace + Central AC (Whole-Home Replacement)

  • Standard efficiency (80% furnace / 14–16 SEER AC): $9,000 – $13,000
  • High efficiency (96%+ furnace / 17–18 SEER AC): $13,000 – $17,000
  • Premium variable-speed systems: $17,000 – $22,000+
 

Heat Pump (Ducted, All-Electric or Dual-Fuel)

  • Standard efficiency (14–16 SEER2, single-stage): $10,000 – $14,000
  • High efficiency (17–19 SEER2, variable-speed): $14,000 – $19,000
  • Cold-climate or dual-fuel variable-speed models: $19,000 – $25,000+
    (Rebates from Xcel Energy and tax credits can reduce costs by $5,000+.)
 

Central AC or Furnace Only

  • AC replacement only: $6,000 – $10,000
  • Furnace replacement only: $5,000 – $9,000
  • High-efficiency or variable-speed upgrade: Add $1,500 – $3,000+
 

Ductless Mini-Split (Per Outdoor Unit + 1–4 Indoor Heads)

  • Single-zone system: $3,000 – $7,000
  • Multi-zone (2–4 zones): $8,000 – $15,000+
    (Excellent for additions, basements, or partial electrification projects.)
 

Ductwork (New Installation or Replacement)

  • Partial retrofit: $2,000 – $5,000
  • Whole-home new duct system: $6,000 – $12,000+
    (Pricing varies by accessibility, home size, and insulation level.)
 

Indoor Air Quality (IAQ) Upgrades

  • Whole-home humidifier: $700 – $2,000
  • Air purifier / UV system: $600 – $3,000+
  • Smart thermostat (installed): $200 – $500
 

Why Local Conditions Matter

Our high altitude and wide temperature swings mean equipment must be sized and set up correctly to deliver reliable, year-round comfort. Experienced, certified technicians ensure proper airflow, gas adjustments, and controls configuration—details that protect performance and longevity.

What’s Usually Included in a Quality Installation

A trustworthy proposal typically covers:

  • Load calculation (right-sizing the system for your home)
  • Equipment and parts, including compatible indoor/outdoor components
  • Permits and inspections required by local codes
  • Professional installation, start-up, and commissioning
  • Thermostat setup and homeowner orientation
  • Manufacturer warranty registration
  • Post-install check and support

With more than five decades serving Littleton and surrounding neighborhoods, our team believes in transparent, neighborly service and a simple promise: If you’re not satisfied, we’ll make it right.

Smart Ways to Save in South Denver

Leverage Rebates and Tax Credits:

Xcel Energy offers incentives for high-efficiency equipment, and tax credits are available to lower your costs even more.

Choose the Right Efficiency:

Balance upfront price with expected energy savings and comfort features like variable-speed operation.

Bundle Projects:

Combining furnace and AC (or converting to a heat pump) can reduce labor duplication and streamline ductwork updates.

Prioritize Ductwork Health: 

Well-sealed, properly sized ducts improve comfort and can allow for smaller, more efficient equipment.

Maintain Your System:

Routine maintenance helps prevent breakdowns and protects warranties, keeping costs predictable over time.

Signs You’re Getting Good Value

  1. Clear, detailed proposal with model numbers, scope, and warranties.
  2. Right-sized system verified by a load calculation—not just a swap of similar equipment.
  3. Strong workmanship standards, including clean install practices and documented start-up.
  4. Straightforward warranties and a company willing to stand behind its work.
  5. Rebate and financing guidance that reduces out-of-pocket expense without pressure.
Save Up To $5,000 on a Heat Pump

Rebates, Tax Credits & Financing Made Simple

One of the biggest advantages of upgrading to a heat pump is the availability of rebates.

Many homeowners can significantly reduce upfront costs by combining:


We handle the entire rebate process for you.

From identifying eligible programs to completing and submitting paperwork, our team makes it easy to maximize your savings without added stress.

Contact Us

Why Homeowners Have Trusted Us Since 1973

  • Serving South Denver for over 50 years

  • Deep knowledge of Colorado homes and climate

  • Customer-first service—not sales-driven pressure

  • Expertise in heat pump and high-efficiency systems

  • Trusted by generations of local homeowners

Our longevity is built on consistency, integrity, and quality work—year after year.

We Proudly Serve Littleton, Highlands Ranch, Centennial, Castle Rock, Lakewood, and All Surrounding South Denver Communities.

Benefits of Heat Pumps FAQs

Do heat pumps really work during Colorado winters?

Yes. Modern cold-climate heat pumps are designed to deliver efficient, reliable heating even in freezing temperatures.

No. Heat pumps provide both heating and cooling, making them ideal for year-round comfort in Colorado.

Many homeowners see reduced energy costs, especially when replacing older or inefficient systems.

Yes. Many systems qualify for rebates, and we help guide you through the process.

Yes. Flexible financing options are available to help make upgrading more affordable.

Discover the Benefits for Your Home

Colorado’s climate demands a smarter approach to home comfort. With decades of local experience and deep knowledge of heat pump technology, Southwest Heating & Cooling helps homeowners enjoy efficient, reliable heating and cooling all year long.

Contact us today to schedule your consultation and see how a heat pump can benefit your South Denver home.

What Your Neighbors Are Saying About Us

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Quentin Schappa
0 days ago
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Excellent service!
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bob hoster
4 days ago
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October 2026: Just had another great experience with SWHC! Joe Kastens did our winter maintenance and diagnosed a wiring issue in our thermostat. Being a part of the maintenance plan family is well worth it. Thanks again! April 2026: Just had our Spring maintenance with Hayden Burnett. He was on time, professional, thorough and a true gentleman. Very thrilled with the service he provided. Hope to see him again next time. October 2025: We had Christian Meyers perform our semiannual routine maintenance on our air conditioner and furnace. Christian was on time, thorough and explained everything to us. A true professional and only what we've encountered since we started working with Southwest Heating and Cooling. Lisa and Cathy in the office can answer all your questions, help with installation dates, etc.... We just contracted with them to replace our water heater. While Christian was servicing our unit, he was able to provide an estimate for the replacement. Scheduling was made easy with a call to the office. Our new water heater will be installed in less than a week. June 2022 We had a new air conditioner and furnace installed. We had an immediate need. Mike, owner, met with us personally to review options from last year. Tony and Ray were terrific installers. On time, professional, left our place spotless. They went over all my questions. The office staff took care of all product registrations and rebate offers. This was a great outcome for us. Great job. July 2021 Great choice we made having Southwest Heating and Cooling service our unit. On time, spent time explaining to us what our system status is, etc.... Jake was great to work with. He left us with options on a new system, explained our options, reviewed their annual maintenance plan with us and overall treated us like family. We will definitely be recommending and using their services again.
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Deborah Oblath
4 days ago
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I thought he did a great job. Explained what he was doing - was efficient and easy yo ask questions of him. Great experience.
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Amy Leonard
5 days ago
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What a great company! Always timely and ready to deal with anything that might arise! Joe my tech was super knowledgeable and professional and took care of a full system overview. Thank you Southwest for keeping my house running smoothly!
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Jeremy E
6 days ago
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Michael Carpenter was awesome and helpful. We were looking for additional air quality cleaner/improvements and he talked me through the options and let me do my homework and settle on the right one without pressure. Once we identified it, he was able to get back out the next week and install it. Really happy with Southwest Heating and Cooling.
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linda durham
6 days ago
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Joe’s awesome! Very thorough, explains everything in detail and does what it takes to get the job done. Customer service at it’s best.
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Paul Figlia
7 days ago
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On time, thorough and spent extra time explaining things. Very best of the best
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Sherry Jacob
10 days ago
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On time. Great service on the install.
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Cherylene Evans
10 days ago
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The technician, Joe arrived when we expected and was knowledgeable and efficient. We couldn’t ask for better.
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Jan Jones
11 days ago
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Had my ac checked out for the summer. Angel was the tech who serviced my ac. He was outstanding! He was so warm and courteous it was a pleasure to have him in my home. Would highly recommend! 6/6/22. Had my ac checked for the coming summer. Angel is the best! Again I highly recommend SouthWest!!!! 10/10 fall furnace checkup! Andy was great. Love this company! 5/23/24. Has my spring checkup for the summer. As usual service was exceptional. Great company. Highly recommend 9/23/24. Annual furnace check up and Preston showed up on time and everything checked out okay! Excellent service again! 10/8/26Again outstanding service. I am very pleased with SouthWest. Brandon was very helpful and took the time to help me with my thermostat.