SW Postcard


We professionally install, maintain, service, and repair a wide variety of residential HVAC equipment and related components. We have access to all major heating and cooling brands so we can recommend the best fit for your home.



It is imperative you regularly, professionally maintain your heating and cooling equipment; sign up on our planned maintenance agreement to enjoy tremendous cost savings on repairs when needed. A well-maintained furnace and air conditioning unit lowers your energy bills and improves your comfort. Sign up today!



You focus on your customers and employees—our team at Southwest Heating & Cooling will focus on keeping your building safe and comfortable. Rely on us for your commercial HVAC services and feel confident your essential equipment is running its best with service, repairs, maintenance, or replacement.



At Southwest Heating & Cooling we have the expertise to ensure your home is healthy and comfortable throughout the year. Breathe easy—and count on Southwest Heating & Cooling for your indoor air quality (IAQ) solutions.


About Southwest

Southwest Heating & Cooling found its beginnings in 1973. Through our honest reputation, repeat customers, and subsequent referrals, our clients have allowed us to grow and develop into one the premiere HVAC companies in the south metro area. Southwest Heating & Cooling is committed to YOU.

The Latest News from
Southwest Heating & Cooling

Damaged element on old hot water heater

My Hot Water Heater Has a Rusted Bottom – Should I Be Concerned?

A hot water heater with a rusted bottom is definitely a cause for concern. Your water heater is an important component of your home, providing the hot water you need for showers, dishes, cooking, and cleaning. Notice corrosion on your water heater? Understanding why it’s there and what you can do about it can help…

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Furnace repair

Why Is My Furnace Leaking Water?

If you believe your furnace is leaking water, it is essential to determine if it is definitely leaking right away. Addressing the leak early, before it becomes an issue, can help you avoid higher repair costs, bio growth, and health risks. Your furnace can leak at any time of the year for multiple reasons. Whether…

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Mold inside a house

Can Humidifiers Cause Mold? Your Questions Answered!

Humidifiers are a useful device designed to add moisture to the air in your home. Many people choose to use them to improve their comfort and decrease dryness in the air. One problem that frequently occurs though is humidifier mold. It’s unclear to many homeowners whether or not this is an issue. But, can humidifiers…

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You've Got You To Do,
Let Us Handle The Rest.

Contact Southwest Today!

  • Preston was awesome. He diagnosed and fixed my problem right away. He even helped answer my additional questions later in the day via text. Super helpful. He certainly went above... read more

    Jon Just Avatar Jon Just
    September 6, 2023

    Showed up right on-time and found the issue to our broken AC right away. Preston was the tech and he was professional and easy to work with.

    Kellson MacKenzie Avatar Kellson MacKenzie
    August 31, 2023

    I have used SWHC for over 10 years. They did a replace of an old steam boiler system with forced gas when I bought my house and continue to be... read more

    Polly Kruse Avatar Polly Kruse
    August 30, 2023
  • Aaron Kinman and William Bohl were great! Very professional and honest. They looked at my AC unit and diagnosed the problem quickly.

    Heather Hensley Avatar Heather Hensley
    August 30, 2023

    Successful installation of a complex heating and cooling system

    August 30, 2023

    Arron was the best. Very happy with the work.

    Dan Groeneman Avatar Dan Groeneman
    August 30, 2023
  • Great and straightforward professional with a kind demeanor and patient with all my questions!!

    Thomas Rehring Avatar Thomas Rehring
    August 30, 2023

    Great communication and friendly staff.

    Karen Weaver Avatar Karen Weaver
    August 30, 2023

    Able/pinpoint current problems and offered a minimum/all inclusive solutions. We're pleased with the service. Pleasant fellow

    Clyde vanSchmitt Avatar Clyde vanSchmitt
    August 23, 2023
  • Excellent service!!

    Vincent Sica III Avatar Vincent Sica III
    August 23, 2023

    Prompt, courteous and professional. Very pleased! Extremely pleased with all three techs (Aaron, Michael, and Preston) everyone was great!

    Loren Boydstun Avatar Loren Boydstun
    August 23, 2023

    Whenever I have any issues with heating or cooling, I know I can count on Aaron to be prompt, professional and expedient in getting to the bottom of the problem!

    Catherine Bowman Avatar Catherine Bowman
    August 23, 2023
  • Preston Curtis came out and did an absolutely stellar job diagnosing our A/C problem and fixing it! World Class service and a fair price. I highly recommend!

    James Winning Avatar James Winning
    August 16, 2023

    I wish I could do another review for this fine company since we used them again. Very friendly company and technicians. This is my second time using them. I... read more

    Shawn Shenton Avatar Shawn Shenton
    August 16, 2023

    Aaron did a great job of diagnosis, repair and service to our HVAC system. He explained the work performed and was very professional.

    Bill Avatar Bill
    August 16, 2023
  • Aaron and Preston were great. Service was timely, both in ability to schedule and arriving in the appointment window. They were both very friendly, mindful of our home,... read more

    Jason McDonald Avatar Jason McDonald
    August 10, 2023

    Preston was personable, communicated well, and got the job (hot water tank replacement) done with no issues.

    Lisa L Avatar Lisa L
    August 4, 2023

    Aaron was absolutely great to work with do determine the issue with the AC Mini Splits and Condenser Unit. He was prompt, professional, and very informative to take the time... read more

    Kathy Tye Avatar Kathy Tye
    August 4, 2023
  • Aaron was absolutely wonderful. Answered all of our questions, gave us sound advice and helped us prioritize what needed to be done first. Would recommend to anyone looking for... read more

    Kimberly Murphy Avatar Kimberly Murphy
    August 4, 2023

    He was pleasant and quick and professional.

    Terry Williams Avatar Terry Williams
    August 4, 2023

    Unfortunately my HVAC system died this summer after 27 years and I needed to get it replaced. Because I have an engineering background, I did considerable research on the... read more

    Keith Venable Avatar Keith Venable
    August 4, 2023
  • They were pretty booked out and worked hard to fit me in the schedule since we were under a deadline with selling our property. The technician Michael was great. He... read more

    Aubrey Knoll Avatar Aubrey Knoll
    August 4, 2023

    Aaron did an amazing job, saw what was needed, addressed the issue, gave great advice on how to maintain the system better to prevent future repairs, highly recommended

    James T Avatar James T
    August 3, 2023

    Preston was polite and took care of business. Would recommend him.

    Ed Moore Avatar Ed Moore
    August 3, 2023
  • Preston immediately diagnosed the problem with our air conditioner. The part was readily available. Within an hour Preston returned with the part and quickly installed it. He took the time... read more

    T (Best.Life) Avatar T (Best.Life)
    July 28, 2023

    Great service. Michael S. installed new furnace and a/c. Friendly efficient and explained everything in detail so I could understand. Would definitely recommend SW Heating and Cooling.

    Deana V Avatar Deana V
    July 28, 2023

    Wasn't in the immediate market for a new HVAC system, but the pricing and professionalism of Southwest prompted me to replace a nearly 20-year old system bound for future failure.... read more

    Lebowski Avatar Lebowski
    July 28, 2023
  • Aaron with Southwest Heating & Cooling was extremely professional and knowledgeable. He made the very daunting process of getting a new air conditioner and furnace more enjoyable and as stress... read more

    Erin Golder Avatar Erin Golder
    July 28, 2023

    Preston did a great job repairing a leak and recharging AC unit

    Dave Gilbert Avatar Dave Gilbert
    July 27, 2023

    Aaron did a great and thorough job. He was friendly and knowledgeable.

    Nate Miller Avatar Nate Miller
    July 27, 2023


We take pride
in our work

Our customers
are taking notice.


Whatever it takes.


We proudly provide HVAC services to Littleton, CO and surrounding South Denver Metro areas.

Areas we serve include:

Lone Tree
Highlands Ranch
Greenwood Village
Castle Pines

Castle Rock