HVAC Installation, Repair, and Replacement in Littleton, CO
Reliable Heating & Cooling For Your Home
When the heat cuts out on a cold night or your air conditioner struggles through a summer afternoon, life at home can get uncomfortable quickly. If you are facing an older system or sudden breakdown, you need clear answers about repair and new HVAC installation, not pressure.
Service Experts Denver is a local HVAC installation company serving homeowners in and around Littleton. Our team works with furnaces, air conditioners, and complete heating and cooling systems throughout their life, from the first install to eventual replacement and the repairs in between. We focus on straightforward recommendations that fit your home and budget.
Whether you already know you want a new system or you are just starting to compare repair and replacement, we are here to walk you through your options in plain language and help you feel confident about your next step.
Call (720) 794-5771 or contact us online to schedule an HVAC appointment with our team.
Your Local HVAC Company
Choosing an HVAC company is not only about equipment. It is also about who you trust in your home and who understands the climate and homes in this area.
- Regional Climate Expertise: We understand how the specific weather patterns and elevation of the Front Range impact HVAC performance, ensuring your system is calibrated for local conditions.
- Residential Specialists: Our team is deeply familiar with the unique needs of both historic homes and new construction in Littleton, allowing us to provide highly relevant, home-specific advice.
- Data-Driven Recommendations: We base our solutions on your home’s actual behavior—analyzing insulation, layout, and ductwork—rather than relying solely on generic equipment labels.
- Stress-Free Service Experience: We ensure every visit is predictable and professional, utilizing clearly marked vehicles and providing comprehensive reviews of our findings before any work starts.
- Commitment to Property Care: Our technicians prioritize the cleanliness of your home by protecting floors and surfaces during the job and performing a thorough cleanup before leaving.
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LimitedTimeOffer!$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. -
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