Colorado's Most
Trusted HVAC
Specialists
Blitztek HVAC delivers precision heating and cooling repair, installation, and maintenance for homeowners across Littleton and the southwest Denver metro. When your comfort is on the line, we show up — on time, every time, with the expertise to get it right.
Complete HVAC
Services
From emergency repairs in the dead of winter to full system replacements in the heat of summer, Blitztek HVAC handles every aspect of your home's comfort system. Our certified technicians bring the right tools, the right parts, and the right expertise to every job — no guesswork, no runaround. We service all major brands and stand behind every repair we make.
AC Repair
Fast, accurate diagnosis and repair of all air conditioning systems — from refrigerant recharges and compressor failures to thermostat issues and frozen evaporator coils. We restore your comfort quickly and efficiently.
Same-day service availableHeating Repair
Keep your home warm through Colorado winters. We service gas furnaces, electric heat pumps, boilers, and radiant systems with precision, safety, and care on every visit — no shortcuts, no guesswork.
All major brands servicedHVAC Installation
New system installs done right the first time. We perform proper load calculations, select the right equipment for your home's size and layout, and handle every detail of the installation from start to finish.
Proper load calculationsPreventive Maintenance
Seasonal tune-ups that extend equipment life, lower monthly energy bills, and catch small issues before they become costly repairs. Protect your investment with a scheduled maintenance plan tailored to your system.
Spring & fall tune-upsEmergency Service
HVAC emergencies don't follow a schedule. Our team responds quickly when your system fails at the worst possible time — whether it's a summer heat wave or a mid-winter cold snap. We're here when you need us most.
Rapid response dispatchIndoor Air Quality
Breathe cleaner, healthier air at home. We offer advanced filtration upgrades, whole-home humidifiers and dehumidifiers, UV air purifiers, and professional duct cleaning services to improve your indoor environment.
UV purifiers & filtration
Built on Trust,
Driven by Results
Blitztek HVAC was founded with a single, unwavering goal: to give Littleton homeowners an HVAC company they could actually rely on. We're not a call center dispatching random contractors — we're a local team that shows up on time, communicates clearly, and treats every home with the same respect we'd give our own.
Every technician on our team is fully licensed and insured, with hands-on training across all major HVAC brands and system types. We invest in ongoing education so our team stays current with the latest equipment, refrigerants, and energy-efficiency standards — because your home deserves expertise, not guesswork.
Over the past decade, we've built our reputation one satisfied customer at a time. Our 4.9-star rating isn't the result of a marketing campaign — it's the result of showing up, doing the work right, and standing behind every job we complete. That's the Blitztek HVAC standard.
We believe that great HVAC service is about more than just fixing equipment — it's about giving homeowners peace of mind. When you call Blitztek HVAC, you'll always speak with a real person, receive a clear upfront estimate before any work begins, and have a technician who takes the time to explain what was done and why. We don't upsell unnecessary parts, and we never recommend a replacement when a repair will do the job. Our goal is to earn your trust on every visit, not just your first.
The Difference Is in
the Details
Choosing an HVAC contractor is a decision that affects your family's comfort and your home's value. At Blitztek HVAC, we've built every part of our service model around what homeowners actually want: honest pricing, skilled technicians, and work that holds up over time.
We use professional-grade diagnostic tools to identify the root cause of every problem — not just the symptom. That means fewer repeat visits and repairs that actually last.
Before we touch anything, we explain exactly what's wrong, what it will cost, and what your options are. No surprise charges, no pressure — just honest, straightforward service.
We stand behind every repair and installation we perform. If something isn't right after we leave, we come back and make it right — no questions asked.
We respect your schedule. Our technicians arrive within the agreed window, call ahead when en route, and complete the work efficiently without cutting corners.
Answers to Your
HVAC Questions
We understand that hiring an HVAC company can feel uncertain. That's why we've answered the questions homeowners ask us most often — so you can make an informed decision with confidence. Don't see your question here? Give us a call and we'll walk you through it personally.
Call Us DirectlyYes — Littleton is our home base. We serve homeowners throughout Littleton and the surrounding communities including Highlands Ranch, Centennial, Englewood, Ken Caryl, and more. Our technicians know the local climate and the demands it places on residential HVAC systems year-round.
We handle a wide range of issues: systems that won't turn on, weak or uneven airflow, unusual noises or odors, refrigerant leaks, thermostat malfunctions, frozen coils, short-cycling, and high energy bills caused by inefficient equipment. If it's HVAC-related, we can diagnose it accurately and fix it right.
Absolutely. We service central air conditioners, furnaces, heat pumps, boilers, and ductless mini-split systems. Our technicians are factory-trained on all major brands including Carrier, Trane, Lennox, Rheem, Goodman, and more.
We're available 7am to 8pm, seven days a week — including weekends and most holidays. For genuine emergencies outside those hours, give us a call and we'll do our best to get someone out to you quickly.
Yes! Use the contact form below to describe your issue and we'll reach out to confirm your appointment. For faster scheduling, calling us directly at (983) 277-2647 is always an option and we typically answer within minutes.
We serve a broad area including Highlands Ranch, Centennial, Englewood, Ken Caryl, Columbine, Bow Mar, Sheridan, Lone Tree, and Greenwood Village. If you're in the southwest Denver metro, there's a good chance we cover your neighborhood.
First, check your thermostat settings and confirm the circuit breaker hasn't tripped. If everything looks normal but the system still won't run, call us right away. Avoid force-starting equipment — repeated failed starts can cause additional damage to the compressor or heat exchanger.
Yes. We recommend a professional tune-up each spring for your cooling system and each fall for your heating system. Regular maintenance extends equipment life by years, improves energy efficiency, and helps prevent unexpected breakdowns during peak season when you need your system most.
Proudly Serving the
Southwest Denver Metro
Blitztek HVAC is based in Littleton, Colorado, and serves homeowners throughout the southwest Denver metro area. Our local roots mean we understand the unique climate demands of this region — from scorching summer heat to frigid winter cold snaps — and we're always close by when you need us. Whether you're in a newer Highlands Ranch development or an established Englewood neighborhood, our team is ready to respond quickly.
Because we're a local company, we can offer response times that larger regional contractors simply can't match. We're not routing calls through a national dispatch center — when you call us, you reach our local team directly. That means faster scheduling, shorter wait windows, and a technician who's already familiar with the homes and systems common in your area. We're proud to be a trusted part of this community, and we take that responsibility seriously on every job we accept.
Request a Free
Service Quote
Fill out the form below and a Blitztek HVAC team member will follow up within the hour to confirm your appointment and answer any questions. Prefer to talk now? Call us directly at (983) 277-2647.
Whether you need an urgent repair, a seasonal tune-up, or a full system replacement, we're ready to help. Our team is available seven days a week, and we always provide a clear, itemized estimate before any work begins — so you know exactly what you're getting and what it costs. No hidden fees, no pressure, no surprises.
Contact Information
Littleton, CO 80129
7 Days a Week