Parker, CO
HVAC Services
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Common HVAC questions from Parker residents
What kind of furnace do I need?
With winter temperatures frequently dipping below freezing, a high-efficiency furnace (95%+ AFUE) is the best choice for keeping your home warm while lowering heating costs. Also, many original furnaces from the 1990s and 2000s are reaching the end of their lifespan, making replacement a smart investment for long-term comfort and savings.
What’s the best air conditioning system for Parker’s climate?
A SEER 16+ air conditioner provides the best mix of performance and energy efficiency in our dry summers and frequent 90º days.
Looking for maximum cooling control and even lower utility bills? Consider a high-efficiency two-stage AC or a heat pump system—both offer better climate control for large homes.
Are heat pumps a good option in Parker?
Heat pumps are great for energy-efficient cooling, but they work best when paired with a furnace (a dual-fuel system) in Parker’s cold winters. This setup keeps energy costs down while ensuring reliable heating on freezing nights. Many homeowners are switching to heat pumps, especially with available rebates and tax credits.
How does a zone control system work?
A zone control system lets you adjust temperatures independently in different areas of your home for better comfort and lower energy bills. We install multi-zone thermostats, dampers, or modify ductwork to balance temperatures in large, two-story homes.
What HVAC maintenance services should I schedule?
Here’s what Parker homeowners should plan for:
- Spring AC tune-ups – Keep your air conditioner running efficiently before the summer heat hits.
- Fall furnace tune-ups – Ensure your heating system operates safely and reliably all winter.
- Smart thermostat calibration – Optimizes zoning and energy-saving features.
How do I know if I need to replace my HVAC system?
If your furnace, AC, or heat pump is showing these signs, it’s time to consider a replacement:
- 15–20 years old or older
- Frequent, costly repairs
- Inconsistent temperatures (hot and cold spots)
- High energy bills from an inefficient system
- Lacks smart thermostat compatibility or zoning
Are there any extra fees for your services?
We believe in upfront pricing—no surprises. Here’s what you can expect:
- Same-day urgent repairs—no extra charge.
- $59 dispatch fee, which we will credit toward your service if you go ahead with the repair on the same visit.
- No after-hours fees—you pay the same fair price, no matter when you call.
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
High-efficiency heating and AC for Parker homes
If your AC isn’t cooling like it should, your furnace is getting old, or your home has hot and cold spots, we’ve got solutions that make a difference—no gimmicks, no upsells, just honest service.
Service for all types of HVAC systems
Air conditioning
- Central AC – Repair issues like leaks, bad capacitors, and broken condenser fans. We install units built for 90°F+ summers.
- Ductless Mini-Splits – Perfect for home additions, sunrooms, garages, or any space that needs extra cooling.
- Heat Pumps – Hybrid heating and cooling for maximizing efficiency in Parker’s variable climate.
Heating
- Furnaces – We repair problems like igniter issues, blower motor failures, and cracked heat exchangers. Many Parker homes have aging furnaces nearing replacement age, so we can help you upgrade.
- Boilers – We are THE experts in installation, repairs, and repiping for hydronic radiant floor heating to ensure energy-efficient warmth.
- Garage Heaters – Keep your garage, workshop, or detached space warm all winter.
- Electric Radiant Floor Heating – Ideal for bathrooms, kitchens, and living spaces, providing comfortable, even warmth.
Smart temperature control
- Smart Thermostats – Wi-Fi-enabled thermostats for precision temperature control and energy savings.
- Zone Control Systems – Multi-zone heating and cooling for large homes, eliminating hot and cold spots.
45+ years of serving homeowners
Here’s what makes us the go-to HVAC company in Parker:
- No Gimmicks, No Upselling – Free, in-person estimates and honest recommendations—no pressure.
- 100% Satisfaction Guarantee – We’re not done until you’re happy with the result.
- Long-Lasting Systems – Installations are backed by a 10-year parts & labor warranty (plus a 20-year warranty on heat exchangers).
- Same-Day Service – For urgent repairs, we’re here when you need us—because a broken HVAC system shouldn’t put your safety at risk.
- Flexible Financing – Quick approvals through Goodleap & Wells Fargo to upgrade without stress.
- Eco-Friendly & High-Efficiency Options – Up to $14,000 in tax credits and rebates for heat pumps and energy-efficient units. Ask your technician for details!
- Certified Technicians – Our team is NATE- and EPA-certified, meaning we’re up to date with the latest tools, methods, and HVAC efficiency standards.
- Trusted Professionals – Before we dispatch, we send you a photo and bio of your technician so you know exactly who’s coming to your home.
Plus, when you install a new unit, we include a free maintenance service (valued up to $314).
Work with specialists in local HVAC challenges
Parker’s climate, home styles, and elevation create specific HVAC challenges—but don’t worry, we know exactly how to handle them. Our team has decades of experience solving heating and cooling issues unique to the area.
Aging systems nearing replacement
Many Parker homes were built in the 1990s and early 2000s, and their original furnaces and AC units are reaching the end of their lifespan.
Solution: We help homeowners upgrade to energy-efficient models that lower energy bills, improve comfort, and prevent costly repairs.
Uneven temperatures in large homes
Hot upstairs and cold downstairs? This is a common issue in spacious residences, especially during extreme temperatures.
Solution: We install zone control systems, two-stage furnaces, and ductwork modifications to balance temperatures across every room.
Altitude-adjusted AC performance
At over 5,000 ft elevation, air conditioners work harder to cool, which can lead to higher energy costs, frequent repairs, and reduced efficiency.
Solution: We install high-SEER AC units that are properly sized for altitude, ensuring maximum cooling performance and efficiency.
Service Areas
Sanders & Johnson serves the entire Denver metro area and surrounding communities.
- Arvada
- Aurora
- Black Hawk
- Breckenridge
- Brighton
- Castle Rock
- Denver
- Dillon
- Evergreen
- Frisco
- Georgetown
- Lakewood
- Littleton
- Parker
- Silverthorne
- Westminster
- Wildernest
Other Cities We Serve
- Englewood
- Northglenn
- Broomfield
- Golden
- Park Hill
- Greenwood Village
- Superior
- Centennial
- Highlands Ranch
- Cherry Creek
- 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"
