What’s the best thermostat setting for summer in Denver?

For optimal comfort and energy savings during summer in Denver, set your thermostat to 78°F (25°C) when you're home. If you're away, raising it to 85°F can help reduce cooling costs. Using a programmable or smart thermostat can make these adjustments automatic and more efficient.

Do you provide emergency after-hours HVAC service in Denver?

We are available 24/7 to take your call for emergencies. Our appointment hours are listed above.

How can I improve indoor air quality in Denver?

To improve indoor air quality in Denver, start by regularly changing your HVAC filters, scheduling routine maintenance, and using air purifiers. Consider duct cleaning if your home has excessive dust or allergy symptoms. Proper ventilation and keeping your home clean are key to healthier air.

How often should I service my HVAC system in Denver?

It’s ideal to service your cooling system each spring and your heating system each fall to ensure you find small issues before they become big problems.

Do you offer HVAC financing in Denver?

We work built relationships with several lenders to ensure our customers are able to restore comfort in their homes. Ask your technician about your financing options.

How often should I have my furnace serviced in Denver?

It’s recommended to have your furnace professionally serviced once a year, ideally in the fall before the heating season begins in Denver. Annual maintenance helps ensure safe operation, improves efficiency, and can extend the life of your system.

How often should I have my air ducts cleaned in Denver?

It’s generally recommended to have your air ducts cleaned every 3 to 5 years in Denver, or more often if you notice dust buildup, allergies, or musty odors. Homes with pets, recent renovations, or high pollen levels in Westminster may benefit from more frequent cleanings to maintain healthy indoor air quality.

How often should I schedule AC maintenance in Denver?

You should schedule AC maintenance once a year, ideally in the spring before the cooling season starts in CO. Regular tune-ups help your system run efficiently, prevent breakdowns, and extend the life of your unit, especially important in Denver's summer climate.

What size HVAC system is right for my home in Denver?

The right HVAC system size for your home in Denver depends on factors like square footage, insulation, number of windows, and local climate. A professional load calculation ensures your system is properly sized for comfort and efficiency. Oversized or undersized units can lead to higher energy bills and uneven temperatures.

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Denver HVAC Services

One Hour Heating & Air Conditioning® of Denver

4.7

(1659 reviews)

Heating & Cooling

Services By One Hour

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Denver's Premier HVAC Company

Discover Why We're the Preferred Heating Company in Denver

Keeping your furnace in great condition throughout Denver's cold season is crucial for home comfort. At One Hour Heating & Air Conditioning®, we understand the importance of a properly functioning HVAC unit. As such, we provide top-notch heating services to keep your home warm during the cold season.

As a trusted furnace repair company in Denver, we proudly serve homeowners throughout the region and in Broomfield, Columbine, and beyond. Your satisfaction is our priority, so you can be confident that we only deliver reliable and efficient AC solutions.

We Have a Reputation

For Being Punctual, Friendly and Knowledgable

4.7

(1659 reviews)

Karen Valentine

3 weeks ago

“The company is always responsive to needs. Quick scheduling and availability. They have a good automated system using text messages for appt confirmations, intro of techs, arrival of techs on the day of and eliciting service feedback. Cameron and Mateo were friendly and professional. Timely notification of their arrival. They are knowledgeable and answered all questions, outlining what to expect and time to complete. Confirmed contact info and provided pictures upon completion of duct cleaning. They were efficient and respectful of time and my home. Highly recommend them for any air/heating needs.”

Shawn Apodaca

3 months ago

“Great job. Replaced our 33 year old furnace with a top of the line unit and got it all installed in one day. Tyler and Ivan were professional and very skilled at their job. Highly recommend”

Goodbyestoney

a week ago

“Joseph was swift, efficient, and thorough with his work. He made sure we got our furnace up and running in a timely manner and even went the extra mile to replace parts that seemed suspect of breaking in the near future free of charge. Definitely would recommend him as a technician!”

Brian Akin

a month ago

“Christian was awesome. He figured out the issue with my furnace and was able to get it running in a matter of minutes. He is extremely knowledgeable and a pro at what he does. I will definitely recommend your company to all my friends in the Denver area.”

Tina Flemming

3 weeks ago

“Joseph provided excellent service. He was kind and professional. He diagnosed the problem, gave us our options on the repair, then obtained the part and completed the repair. This was all done quickly and professionally. Thank u Joseph.”

Special Offers

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No Trip Fee

With Completion of Repair

If no repair is made, service fee may apply. Limit one coupon per household at participating locations. Coupon must be presented at time of purchase. Cannot be combined with any other offers or discounts. Management reserves the right to modify offers at any given time. Some restrictions, taxes and fees may apply.

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Denver HVAC Services You Can Count On

Stay cool all summer with help from One Hour Heating & Air Conditioning®. We are among the leading AC companies in Denver thanks to our expertise, transparency, and dependability. We respect your time and your trust in us to keep your home comfortable. That's why we offer comprehensive AC solutions, including:

Heating Repair: Count on our skilled technicians for fast, reliable heating repair in Denver. We diagnose and fix issues quickly to keep your home warm and comfortable.
Heating Maintenance: Prevent breakdowns and improve efficiency with our comprehensive heating maintenance services. Regular tune-ups help extend the life of your system.
Heater Installation: Upgrade your home’s comfort with professional heater installation. We offer upfront pricing and guaranteed workmanship for peace of mind.
Boiler Services: Our boiler services include expert repair and maintenance to ensure safe, efficient operation throughout the cold Colorado winters.
Furnace Services: From emergency repairs to full installations, our furnace services keep your home cozy and energy-efficient all season long.
Thermostat Services: Stay in control of your comfort with our thermostat services. We handle installation, calibration, and troubleshooting for precise temperature management.

Maintain Home Comfort With Our Heating Services

If you want to partner with a leading AC service company in Denver, choose One Hour Heating & Air Conditioning®. Our team will take care of your cooling needs. Call us or book a service online today!

Here For You

When You Need Us Most!

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'Round the Clock Availability

No matter the hour, you can trust One Hour to be there to help you when you get hit with the unexpected.
100% Satisfaction Guarantee

We guarantee our materials, labor, and craftsmanship for up to two years from the date of your service.
StraightForward Pricing® Guide

Before we start any work, we discuss your available options so you know exactly what you are getting and how much it will cost. No hidden fees!
Always On Time…Or You Don’t Pay A Dime!®

We understand your time is valuable, so we promise to arrive at your home within the predetermined time window that you select, or your service call is free.

Financing Available!

Prioritize your comfort without fronting the entire bill on day 1 – contact us today to learn more about financing options.

Discover Your Options

Meet the Denver Team

Robert Lambert

General Manager

Robert M. Lambert is an accomplished executive with over 20 years of experience in P&L management, business development, and operational leadership. Robert has worked in the In-Home Services Industry in Florida, Virginia and now Colorado as General Manager for One Hour Heating and Cooling, Benjamin Franklin Plumbing and Mister Sparky. Outside of work, Robert enjoys the outdoors and is an avid ice hockey player/ fan (go Avalanche and the Eagles!) and skier; he has been in a relationship for over a decade and is a co-parent/father to five children and the owner of a Giant Schnoodle (Mando). Robert’s partner grew up in Boulder, and her family currently still resides in the area north of Denver. Robert holds a bachelor’s degree in Business Management from Toronto Metropolitan University and is recognized for his disciplined, results-driven leadership style grounded in customer satisfaction, safety, quality workmanship, and long-term growth.
Vernon Thomas

Sales Manager

Vernon Thomas is a seasoned HVAC professional with over 30 years of experience in the industry. Currently serving as Sales Manager in Colorado for One Hour Heating and Cooling, Benjamin Franklin Plumbing and Mister Sparky Electric, he combines deep technical expertise with strategic leadership to deliver innovative heating, ventilation, air conditioning, and sales solutions.

Vernon shows technical mastery as a Master Technician/Journeyman Mechanic with proven leadership in sales. With a strong focus on customer relationships and strategic sales leadership, Vernon works closely with clients and teams to ensure exceptional service and long-term value.

As an Honorably Discharged U.S. Marine, he holds a Bachelor’s degree in Social Psychology (minor in Business Management) from Park University of Missouri. Vernon is passionate about teaching sales and communication training, while building strong client relationships, and driving growth.

Outside of work, he enjoys all outdoor activities and spending quality time with family.

HVAC Near Me In...

One Hour Heating & Air Conditioning® of Denver services the following communities:

Allenspark
Arvada
Ault
Aurora
Bellvue
Bennett
Berthoud
Boulder
Brighton
Broomfield
Carr
Castle Rock
Centennial
Commerce City
Dacono
Denver
Drake
Eaton
Eldorado Springs
Elizabeth
Englewood
Erie
Estes Park
Evans
Firestone
Fort Collins
Fort Lupton
Franktown
Frederick
Galeton
Gilcrest
Gill
Glen Haven
Golden
Greeley
Greenwood Village
Henderson
Highlands Ranch
Hudson
Hygiene
Idledale
Indian Hills
Johnstown
Kersey
Kittredge
Lafayette
Lakewood
Laporte
Littleton
Livermore
Longmont
Louviers
Loveland
Lucerne
Lyons
Masonville
Matheson
Mead
Niwot
Northglenn
Nunn
Orchard
Parker
Pierce
Platteville
Sedalia
Severance
Superior
Thornton
Watkins
Wellington
Westminster
Wheat Ridge
Windsor

One Hour Heating & Air Conditioning technician talking to a customer on the phone.

Hours of Operation

We are available 24/7 to take your call for emergencies. For all other services, our appointment hours are:

Monday

24 hours

Tuesday

24 hours

Wednesday

24 hours

Thursday

24 hours

Friday

24 hours

Saturday

24 hours

Sunday

24 hours

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Expert Tips

Learn From Our HVAC Experts

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Servicing your entire home

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Authority Brands is the leading provider of in-home services, building brands that support the success of franchisees as well as better the lives of the homeowners we serve and the people we employ.