Come along for a view of our expert care team in action. Service Experts - we deliver expert HVAC services nationwide. This video showcases the dedication of our team to provide professional service and local care for your home system needs.
Service Experts Longmont
Expert plumbing and HVAC services, delivered by certified technicians. From excavations and backflow services to quick repairs, full-system upgrades, and everything in between, our team is here to help.
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
From HVAC Diagnosis to Installation, Clear Guidance for Your Home
When your heating or cooling system stops working, struggles to maintain the set temperature, cycles improperly, or produces unusual sounds or odors, you need to know why. A professional diagnosis can identify the problem and clarify the next step.
At Service Experts Longmont, we provide HVAC repair, maintenance, replacement, and installation. Our technicians evaluate your equipment and tailor their recommendations to your home’s needs, whether you need heater repair, air conditioning repair, or guidance on an aging system.
Call (983) 900-4498 to schedule HVAC service for your Longmont home.
HVAC Services for Longmont Homes
Heating and cooling problems can have several possible causes. Our technicians diagnose the system and explain the available options before work begins.
Our residential HVAC services include:
Heating and cooling repair. Address problems affecting system operation, temperature control, airflow, or comfort.
System diagnostics. Identify the source of a problem so the proposed repair addresses the cause, not just the symptoms.
HVAC maintenance. Inspect and care for heating and cooling equipment to find wear and developing concerns.
Equipment installation. Replace outdated or failing systems with properly selected, professionally installed equipment.
Recommendations reflect the equipment’s condition, the immediate problem, and what makes practical sense for your household.
Prepare Your HVAC System for Colorado’s Changing Seasons
Cold winter temperatures put heating equipment to work, while hot summer days place sustained demands on air conditioning. Seasonal maintenance can uncover developing problems before your household loses heating or cooling when it matters most.
We address concerns such as:
Insufficient or uneven heat. Diagnose short cycling, ignition concerns, airflow issues, or equipment that won’t start.
Weak cooling performance. Evaluate inadequate cooling, poor airflow, unusual noises, or an air conditioner that stops operating.
Seasonal system readiness. Inspect heating and cooling equipment before periods of heavy use.
HVAC Maintenance That Helps You Stay Ahead
Regular service can reveal worn components and developing problems before they lead to a more disruptive breakdown. Service Experts Longmont offers maintenance programs that provide organized, ongoing care for your home’s equipment.
Membership benefits include:
Scheduled inspections to identify potential concerns
Priority scheduling when service is needed
Savings opportunities on qualifying repairs and maintenance
Regular system care intended to support efficient, reliable operation
Inspection findings can also help you decide whether to repair a developing issue, continue maintaining the equipment, or begin planning for replacement.
HVAC Repair, Replacement & Installation in Longmont
A repair may restore dependable performance when the problem is identifiable and the equipment remains suitable for the home. Replacement may make more sense when breakdowns recur, an aging system becomes difficult to maintain, or the equipment no longer meets your household’s needs.
Our technicians evaluate the system’s condition and explain the available repair or replacement options. If installation is the practical choice, planning should account for equipment size, compatibility, airflow, and your home’s existing setup.
We also install equipment for planned upgrades and home improvements. The process begins with understanding the property, the current system, and what you expect from the new equipment.
Our Experts Make You Feel Right at Home
Creating comfortable, efficient homes with expert service and innovative solutions.
The Service Experts Guarantee
We promise that every piece of equipment we work on and install will be set up with care and precision—exactly as the manufacturer intended.
Fast Response, Anytime You Need Us
From emergency repairs to routine maintenance, we respond quickly to keep small HVAC issues from becoming major disruptions.
Licensed, Bonded & ACE-Certified Experts
Our nationally certified, ACE-certified professionals are licensed, bonded, and insured, delivering top-tier expert service with complete peace of mind.
Schedule Anytime, Day or Night
Book your appointment whenever it's convenient for you. Our scheduling and customer support are available 24 hours a day, 7 days a week.
Before work begins, you should understand the observed problem, the proposed solution, and what will happen next. We explain our findings in straightforward terms and give you the information needed to make a practical decision.
When you work with Service Experts Longmont, you can expect:
Clear communication. We explain our findings and recommendations without unnecessary jargon.
Responsive scheduling. We make arranging service as convenient as possible.
Professional technicians. Our team approaches each job with care and attention to detail.
Respect for your home. We treat your property and time with consideration throughout the visit.
Quality workmanship. We focus on completing the work properly rather than rushing through the service call.
Year-Round HVAC Care for Longmont Homes
A furnace failure in winter and an air conditioner struggling during a summer heat wave require prompt attention. Other needs, such as seasonal maintenance or a planned replacement, allow more time to compare options and prepare for the work.
Whatever stage your system has reached, our technicians can diagnose the concern, explain whether repair or replacement is practical, and complete the appropriate service with care.
Schedule the HVAC Service Your Home Needs
Tell us what you’ve noticed with your heating or cooling system. We can help you arrange repair, maintenance, replacement, or installation and explain the equipment’s condition before work moves forward.
"Respectful and friendly, provided honest answers. Would recommend this technician as one of the best I've experienced."
M
"He was on time, did a thorough inspection and explained what he found."
M
"He was friendly and efficient."
One of the best technicians I've experienced
Excellent customer service, very helpful. Respectful and friendly, provided honest answers. Would recommend this technician as one of the best I've experienced.
Guerrero did a great job.
Guerrero did a great job. He was on time, did a thorough inspection, and explained what he found.
Friendly and efficient fall inspection
Mark did our fall inspection today. He was friendly and efficient.
