Air Conditioning Repair & Installation
Cooling that keeps working through Colorado's hot, dry summer afternoons.
Heating & cooling across the Colorado Front Range
Professional HVAC repair and installation in Denver, Colorado
Cool Flow HVAC keeps homes and business premises comfortable through Colorado summers and winters - diagnosing faults properly, quoting in writing and sizing replacement systems to the building rather than to a catalogue.
- Locally based in Colorado
- Free, written quotations
- Residential and commercial work
Locally based in Colorado
Free, written quotations
Residential and commercial work
Repairs, servicing and full installations
What we do
Heating, cooling and air quality work for Colorado properties
From an emergency no-heat call in January to a planned system replacement, these are the services customers ask us for most.
Heating & Furnace Services
Furnace repair, servicing and replacement to keep the heat on through the Colorado winter.
Heat Pumps & Ductless Mini-Splits
Efficient heating and cooling for extensions, basements, garages and rooms ducting cannot reach.
Indoor Air Quality & Ductwork
Filtration, humidity control and duct work that fixes uneven temperatures and dusty rooms.
Commercial HVAC
Rooftop units, split systems and planned maintenance for Colorado businesses.
Why customers choose us
Straight answers, written prices and work that lasts
You are told what is actually wrong
We diagnose before we quote, then explain the fault in plain language so you can decide between repairing and replacing with the facts in front of you.
The price is agreed before we start
You receive the cost in writing. If something found on site changes the job, we come back to you rather than adding it to the bill.
Systems sized for your property
Replacements are sized to the building and how you use it, so the system holds temperature instead of short-cycling and wasting energy.
Colorado conditions, not generic advice
Dry winter air, big temperature swings and altitude all affect how equipment performs here. We set systems up for that, not for a catalogue average.
Homes treated with respect
We turn up when we say we will, keep work areas clean and leave the property tidy once the job is finished.
One team for heating and cooling
Furnaces, air conditioning, heat pumps and ductwork are handled by the same people, so nothing gets passed between contractors.
About Cool Flow HVAC
A Colorado HVAC company built around doing the job properly
Cool Flow HVAC works with homeowners, landlords and business owners across the Denver metro area and the surrounding Front Range. We handle everything from a failed capacitor on a hot afternoon to a full furnace or heat pump replacement.
What you can expect is simple: a clear explanation of what is wrong, honest advice on whether to repair or replace, a written price before work starts, and a tidy property when we leave.
How it works
Getting a quote takes three steps
1
Request a quote
Send us a short description of the problem or the work you are planning, or call and tell us over the phone.
2
Discuss the work
We talk through what you need, visit or survey the property where required, and set out the sensible options.
3
Approve and schedule
Once you are happy with the written quotation, we book the work in at a time that suits you.
Recent work
A look at the work we do
Heating
Furnace replacement
Furnace replacement with reworked supply ductwork and a new flue run.
Heat pumps
Single-zone mini-split
Ductless mini-split fitted to condition a room the ducted system could not reach.
Commercial
Rooftop unit maintenance
Planned maintenance visit across rooftop packaged units on a commercial premises.
Air conditioning
Condenser service call
Diagnostic and service visit on an outdoor condenser ahead of the cooling season.
Customer reviews
What customers say on Google
Reviews are published here once added
We only publish genuine reviews left by customers. Until they are copied across from the Google Business Profile, you can read them directly on Google.
Read reviews on GoogleAreas we serve
Covering Denver and the surrounding Front Range
We cover the Denver metro area and the surrounding Colorado Front Range. If your address sits outside the towns listed, contact us and we will confirm whether we can attend.
See every area we cover- Denver
- Aurora
- Lakewood
- Arvada
- Westminster
- Thornton
- Centennial
- Littleton
- Englewood
- Broomfield
- Wheat Ridge
- Golden
- Commerce City
- Northglenn
- Highlands Ranch
- Parker
Common questions
Frequently asked questions
Are quotations free?
Yes. Tell us what you need and we will come back to you to discuss the work and arrange your quotation at no cost.
Which areas do you cover?
We cover the Denver metro area and the surrounding Colorado Front Range. If your address sits outside the towns listed, contact us and we will confirm whether we can attend.
Do you work on both homes and business premises?
Yes. We handle residential heating and cooling as well as light commercial systems such as rooftop packaged units and commercial splits.
How quickly can you attend?
Response times vary with the season and current workload. Call us and we will tell you honestly when we can get to you rather than promising a time we cannot keep.
What happens after I request a quote?
We contact you to understand the problem, arrange a visit or survey where one is needed, then send a written quotation setting out the work and the price.
Will I know the price before work begins?
Yes. We provide the price in writing before starting, and we come back to you if anything found on site changes the scope.
Need help with heating or air conditioning?
Tell us what you need and we will get back to you to discuss the work and arrange your quotation.