Furnaces & heat pumps
Diagnostics, repairs, seasonal maintenance, safety checks, and replacement guidance for dependable winter heat.
Full-service comfort solutions
Comfort managed. Problems solved.
Professional heating, cooling, fireplace, and indoor air quality service with clear communication, documented recommendations, and workmanship built to last.
Professional schedulingClear service coordination
Documented diagnosticsFindings, options & next steps
Residential & light commercialOne standard across every property
Certified trade expertiseNFI, NATE & EPA trained
What we do
Built for Colorado
weather.
From no-heat calls to summer cooling problems, Sundown diagnoses the system, explains the options, and helps you choose the right path forward.
Air conditioning
Cooling repairs, tune-ups, airflow troubleshooting, equipment replacement, and comfort improvements.
Fireplace service
Maintenance, diagnosis, and repair support to keep gas fireplaces operating safely and reliably.
Mini-split systems
Service, cleaning, and maintenance for ductless systems—from a single zone to multi-head home setups.
Humidifiers & filtration
Whole-home humidity, filtration, and indoor air quality solutions sized to your home and your goals.
Airflow & system care
Coil cleaning, filter service, performance checks, and practical fixes that help equipment run the way it should.
“Thorough, dependable, and willing to explain what’s actually going on.”What local neighbors value about Sundown
The Sundown service standard
Professional from first contact to final closeout.
01
Coordinated arrival
Clear scheduling and communication keep you informed before service begins.
02
Documented diagnosis
System findings, recommended options, and practical next steps are explained clearly.
03
Approval before work
You understand the recommended path before repairs or replacements move forward.
04
Clean professional closeout
Careful workmanship, attention to detail, and a clean finish are part of every service call.
Sundown Comfort Club
Stay ahead of the season.
Planned care gives your equipment consistent attention before Colorado weather puts it under pressure—and keeps a clear service history along the way.
01Two seasonal visitsPlanned care at the key changeovers.
02Filter replacementRoutine replacement included with service.
03Basic cleaning & checksPractical care for dependable performance.
04Maintenance historyA clear record of completed system care.
Request Comfort Club details
Request service
Let’s get your comfort back.
Send the service desk your system details and preferred contact information. We’ll coordinate the next step and keep the process clear from request to completion.
Service line · Call or text817-550-1729
Service capabilitiesResidential & light commercial HVAC
Primary service areaBroomfield, Boulder & surrounding areas