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720-794-5771
Service Experts Denver Service Experts Denver

Trusted Air Conditioning Installation Company in Westminster

Stay Comfortable Year-Round with Expert AC Installation and Replacement

When your home’s air conditioning struggles to keep up, or energy bills start climbing, it’s time to consider a new system. Installing a high-efficiency AC is an investment, but when done correctly, it pays off with reliable comfort and lower energy costs. As a trusted air conditioning installation company in Westminster, we specialize in professional AC installation and replacement services tailored to your home’s needs.

From helping you select the perfect system to performing precise installation, our licensed and ACE-certified technicians ensure your new air conditioner operates efficiently, quietly, and reliably.

Why Homeowners Choose Us for Air Conditioning Replacement

Replacing an air conditioner isn’t something we take lightly. As a full-service air conditioning replacement company, we focus on:

  • Expertise You Can Rely On: Our licensed, bonded, and insured technicians bring years of experience to every installation. We combine technical know-how with practical solutions for your home’s unique cooling needs.
  • Customized Cooling Solutions: We perform detailed load calculations to ensure your new system fits your home perfectly, neither overworking nor underperforming.
  • Comprehensive Service: From inspecting ductwork to connecting electrical lines, we manage every step so you don’t have to worry about the details.
  • Energy Efficiency and Savings: We recommend high-efficiency, ENERGY STAR® certified systems designed to save you money and maximize comfort. Many units may even qualify for rebates or tax incentives.

With our dedication to quality and customer satisfaction, we’ve become Westminster’s trusted choice for air conditioning installation and replacement.

When It Makes Sense to Replace Your AC

If your system is over 10 years old, requires frequent repairs, or struggles to maintain consistent temperatures, a replacement may save you money and stress. A modern system can:

  • Lower your monthly energy bills immediately
  • Improve air quality and airflow throughout your home
  • Reduce the risk of unexpected breakdowns
  • Provide dependable cooling during the hottest summer months

We guide you through selecting the right system for your home layout, ductwork, and electrical setup, ensuring your installation maximizes efficiency and performance.

Our Westminster AC Installation Process

We know that installing a new AC system can feel overwhelming. That’s why we take a clear, step-by-step approach:

  1. Pre-Installation Planning: We review your installation schedule, explain what to expect, and answer all your questions. Most residential systems are installed in a single day.
  2. Arrival & Preparation: Our team arrives on time, checks in, and protects your floors and furniture. We walk you through the installation plan so everyone is on the same page.
  3. Old System Removal: If we’re replacing your existing unit, we safely remove it and handle disposal, so you don’t need to coordinate multiple services.
  4. System Setup & Installation: We inspect the installation area, prepare electrical connections, and ensure outdoor and indoor components are level and properly aligned. Then we install, connect, and charge your new system.
  5. Testing & Quality Check: Once installed, we test airflow, temperature consistency, and system operation to ensure optimal performance.
  6. Walkthrough & Support: We show you how to operate your thermostat, explain filter maintenance, and review your system’s warranty.
  7. Ongoing Care: We offer maintenance programs to keep your AC running efficiently for years. Our goal is to provide long-term comfort and peace of mind.

Call (720) 794-5771 to schedule a visit with Service Experts and discuss options for your new AC system.

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  • Limited
    Time
    Offer!
    $0 Diagnostic Fee

    Waived fee for all HVAC, Plumbing, Electrical and Water service calls.

    Promotion valid for service visits occurring 8/20/26 - 9/30/26. Cannot be combined with other offers outside of membership discounts. No cash value. Offer may be modified, suspended, or withdrawn at any time as permitted by law. Aug 20, 2026 - Sep 30, 2026
  • $49 HVAC Precision Tune-Up

    Save $140 on your comprehensive HVAC tune-up

    Offer not valid on prior purchases and may not be combined with other offers except member discounts. Excludes oil furnaces or boiler tune-up; call for pricing. $140 off our standard $189 rate. Valid from 9/19/26 through 10/31/26. Sep 19, 2026 - Oct 31, 2026
  • No Payments Until 2027

    With any new HVAC, Indoor Air Quality, Water Heater or Water Treatment Service Experts Advantage Program lease agreement, we will make your payments for the first 6 months.

    Valid on new Advantage Program lease agreements from 7/1/26 to 9/30/26. Customer owes $0 for the first six months; regular monthly lease payments begin thereafter. Early termination during promotional period will result in charges for elapsed months. See your full Advantage Program Lease Agreement for complete terms and conditions, including total lease costs and payment schedule. Jul 1, 2026 - Sep 30, 2026
  • Member exclusive: $250 off Water Heater Install

    Maintenance+ members exclusive discount with the purchase or lease of a new hot water heater

    Offer available for active Maintenance+ customers. Purchase or lease a new hot water system from 8/19/26 - 9/30/26 and receive $250 off installation price. System must be installed by 10/3/26. Aug 19, 2026 - Sep 30, 2026
  • NEW HVAC SYSTEM as low as $155/month

    NO money down; Brand new, high-efficiency equipment; installation, regular preventative maintenance, all repairs (parts & labor), and air filters INCLUDED.

    Offer not valid on prior purchases and may not be combined with other offers. Advantage pricing applies to specific equipment. Call for details. Some exclusions apply. See the terms and conditions within the Service Experts Advantage Program Lease Agreement for additional information.
  • $99 Drain Cleaning

    Regularly $235. Reduce buildup on your pipes, Help avoid major plumbing repairs, Maintain a clean home.

    Offer not valid on prior purchases and may not be combined with other offers. Valid for one drain only. Accessible ground level clean. Call for more details.
  • 10% Off Any Product or Service for Active Duty, Retired, and Veteran Military Personnel

    It’s our way of thanking you for your courage, dedication, and sacrifice to protect our freedom. All work is performed by licensed experts and backed by our Service Experts Guarantee.

    Offer not valid on prior purchases and may not be combined with other offers.
  • Members exclusive: 15% off services and repairs

    As a Maintenance+ member, you automatically receive discounts on all services and repairs.

    See your signed Maintenance+ Membership agreement for full terms and conditions.
  • 80% off first year’s price of an annual Plumbing Membership

    Upgrade your membership to include plumbing coverage for only $12 for the first year*

    Must have HVAC membership to receive Plumbing add-on discount. Promotional plumbing add-on price; save $48 in the first year with discount. Annual membership promo price of $12 must be paid up front. After the first year, standard pricing applies (currently, $60/year). Valid from 9/19/26 through 10/31/26 at select Service Experts locations, call for more details. Sep 19, 2026 - Oct 31, 2026
  • Earn up to $1,800 in rebates when you purchase or lease a qualifying Lennox system

    System rebate requires the purchase of a Lennox indoor unit, an outdoor unit and a qualifying thermostat. System add-ons do not qualify for an individual rebate and cannot be combined with individual offers. Rebate offer valid from 9/19/26 until 12/4/26 and must be installed by 12/11/26 and submit claims by 1/10/27. Rebate is paid in the form of a Lennox prepaid Mastercard.

    All rebate information found at https://www.lennox.com/residential/buyers-guide/offers-and-savings/promotions/. Equipment varies by Service Experts location, call your local Center for more details. Sep 19, 2026 - Dec 4, 2026
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FAQs We’ve Got Answers to Your AC Services Questions
  • Packaged HVAC units are all-in-one HVAC systems that house an air handler and unit parts in one metal cabinet system. This is used to maximize space in a basement or garage, or on rooftops in multifamily buildings.
  • HVAC tune-ups can often be covered in most cases under a labor warranty if your system is still under warranty, but we can check to see if tune-ups are covered. Through the Advantage Program™, key services such as heat pump maintenance are included! It’s one of the most comprehensive HVAC plans around.
  • Seasonal maintenance plans are worth the investment for several reasons. Consistent maintenance keeps everything working as seamlessly as possible, which helps lower energy bills while extending your equipment’s life span.
  • Yes. Our Experts are just a short way away, whether you’re in need of a heat pump repair or replacement on a weekend day or in the middle of the night. Give us a call at (720) 794-5771 for prompt service.
  • Keeping your systems maintained will help bring costs down. Check our helpful in-depth information about keeping your systems healthy. This will tell you about proper maintenance and why it’s important.
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