HVAC Services in Lakewood, CO
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FAQ: Before you book HVAC service
How soon can someone come out?
If you call before 3:30 p.m., we’ll try to schedule your repair that same day.
How long have you been doing this?
Since 1977. Still local. Still family-owned.
Is the work guaranteed?
Yes. All repairs and new installations are backed by a satisfaction guarantee and long-term warranties.
Do I need a new unit or just a repair?
If your equipment is under 15 years old and the fix is minor, we’ll repair it. If it’s failing often or running inefficiently, we’ll walk you through smart replacement options.
What are warning signs my system needs attention?
Uneven heating or AC, high energy bills, loud operation, or poor airflow usually mean your HVAC needs service.
HVAC Financing
Family Membership
Trusted, Award-Winning Air Conditioning and Heating Services
Customer Education
Our team prefers to educate our customers in a thoughtful way, so you receive the most accurate solution. All services are tailored to your needs without any upselling, gimmicks, or surprises at the end.
Award-Winning Workmanship
We’re proud to provide our customers with the highest service quality on every call. In fact, we’ve won awards for it, including the Bryant Medal of Excellence.
Fast Response
Your calls are greeted by our in-house staff, who will schedule you for immediate service. Same-day service is available for most emergencies so you rarely have to wait to get your problem under control.
Client Reviews
HVAC problems grow fast if you ignore them
We’ve handled HVAC repair and installation projects across Colorado for over four decades. We know what lasts, what works, and what’s a waste of your money.
Why so many Lakewood residents choose our HVAC company
- Serving Colorado since 1977
- Same-day repair available when possible
- No extra charge for evening or weekend calls
- Fully licensed and insured
- Clear, upfront pricing
- No pushy upsells
- We repair first, replacements only when needed
- Expert installations
- Financing available
- 100% satisfaction guarantee
Heating & AC options built around your home
We don’t just replace a unit and walk away. Before every installation, we inspect ductwork, airflow, square footage, and layout. That’s how we make sure your equipment fits your space — and your budget.
We work with furnaces, air conditioners, heat pumps, and full HVAC replacements. Whether you’re upgrading old equipment or building new, we help you choose the right solution.
AC acting up? We’ll fix it fast
If your AC is blowing warm air, short cycling, or failing to cool, don’t wait. We’ll inspect the unit, find the issue, and repair it without delay.
Most cooling repairs are completed in a single visit. And we’ll always walk you through the options clearly — no guesswork, no wasted time.
Need heating help? We’re your go-to team
A working heater is non-negotiable in Colorado. If yours isn’t keeping up, or has stopped altogether, we’ll get it back on track fast.
We handle everything from minor heating repair to full furnace replacement. If your home needs new equipment, we’ll size it properly and install it the right way — so it runs efficiently from day one.
Installation done with precision, not shortcuts
When you install new HVAC equipment, the goal is long-term comfort, not just for today.
We install high-efficiency systems, replace outdated setups, and offer options that make sense for your home. Everything is covered by full warranties and built to last.
Regular maintenance keeps your HVAC running longer
The best way to avoid breakdowns? Regular HVAC service. Annual maintenance catches issues early and helps your heating and cooling run more efficiently.
We recommend fall checkups for heaters and spring appointments for AC units. One quick maintenance call each year can save you hundreds in repairs.
Call now for fast, reliable HVAC help
If your heating or AC isn’t keeping up, let’s fix it. Whether you need a quick repair, full replacement, or a quote for a new installation, we’re here to help.
Call now or schedule online. You’ll get fast answers, honest advice, and service that’s built to last.
Service Areas
Sanders & Johnson serves the entire Denver metro area and surrounding communities.
- Aurora
- Black Hawk
- Breckenridge
- Brighton
- Denver
- Dillon
- Evergreen
- Frisco
- Georgetown
- Littleton
- Parker
- Silverthorne
- Westminster
- Wildernest
Other Cities We Serve
- Englewood
- Northglenn
- Broomfield
- Golden
- Park Hill
- Castle Rock
- Greenwood Village
- Superior
- Centennial
- Highlands Ranch
- Cherry Creek
- Lakewood
- Washington Park
- Cherry Hills
- Lone Tree
- Morrison
- Wheat Ridge
- Thornton
HVAC Guides
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The Ultimate Guide to Finding the Best Air Conditioner for Your Home
Finding the perfect air conditioner for your home can make a world of difference in creating a comfortable and cool environment during those hot summer months. With so many options available in the market, it’sRead more "The Ultimate Guide to Finding the Best Air Conditioner for Your Home"
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Does Your Air Conditioner Make the Air Too Dry?
Understanding the Effects of AC Units on Home Humidity Levels Dealing with Colorado’s Dry Air With our high elevation and central location within the United States, Colorado has a unique climate. We enjoy cool andRead more "Does Your Air Conditioner Make the Air Too Dry?"
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Dirty and Damaged Air Conditioning Coils
Dirty or damaged air conditioning coils can force your air conditioning or heat pump unit to work way harder than it’s accustom to putting additional stress on the system. But Sanders & Johnson Heating and AirRead more "Dirty and Damaged Air Conditioning Coils"
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Common A/C Problems: Faulty AC Wiring
Having problems with faulty wiring in your air conditioning unit can be hazardous. There are a few indications of bad wiring that you can look for and determine whether it is time to have itRead more "Common A/C Problems: Faulty AC Wiring"
