HVAC Paradise Valley, AZ | Same-Day Service | Comfort One


As Paradise Valley’s most reliable HVAC, we are here for you. On time, every Time! Your comfort, our commitment. We deliver American quality service and treat you with genuine care. Our AC financing offers ensure same or next day repairs & replacements – without any financial worries.


» family owned & locally operated

» 100% customer satisfaction

» driven by integrity, transparency & honesty

Loki looking out of a work truck from Comfort One Air Conditioning LLC, HVAC Service Contractor Paradise Valley Arizona

Our HVAC services in Paradise Valley, Arizona

HVAC installations & Replacements

Experience a new level of comfort and say hello to efficient, versatile and greener HVAC systems in Carefree, AZ. From new AC installations to heat pump, ductless mini split and furnace installations. Our EPA certified & RSI-Top HVAC technicians are here to help you find the most efficient and cost-effective cooling & heating installation for your home and budget.

HVAC repairs

When your HVAC system goes down, you need a reliable & fast cooling & heating repair. Our EPA certified HVAC technicians are specialized in diagnosing and fixing your system ‘On Time, Every Time!’. Experience outstanding service from our commission-free technicians who will never upsell you into anything you do not need. Experience honesty, transparency & integrity.

HVAC Maintenance

Maintaining your HVAC system bi-yearly is key to it’s efficiency and longevity. We offer HVAC maintenance in Scottsdale for any brand and type of system. Prevent costly repairs and save on your monthly energy bill by joining our Comfort Club. We ensure maximum efficiency and longevity for your system at only $205 per system per year. And you get 10% off on any repair you need.

4+ Decades Of HVAC Experience

Comfort One serves as Paradise Valley's go-to HVAC with over 4 decades of combined experience.

2,250+ HVAC Systems Repaired

With over 2,250 HVAC systems repaired & replaced, we're prepared to deliver reliable & cost-efficient solutions fast.

2,100+ Happy Customers

As an expert in HVAC services, we are here for you when you need us. Ready to serve your families comfort and safety.

Paradise Valleys Preferred HVAC Service For the past 7 years

Over the span of the last 7 years, we have adapted and grown, now holding the expertise to cater to the diverse architectural styles and preferences that adorn this area. Our dedication goes beyond just HVAC installations and HVAC repairs; it’s about fostering a culture of comfort and luxury that the residents of Paradise Valley are accustomed to. We’ve undertaken projects that range from modern villas to historic residences, each time adding a layer of comfort that enhances the inherent charm of the place.


Choose Comfort One, where we mirror the excellence that Paradise Valley stands for, delivering HVAC services that are a testament to quality, innovation, and customer satisfaction. Let us be your partners in ensuring a comfortable and luxurious home environment, aligning with the grandeur that is Paradise Valley.

What our customers are saying about comfort one air conditioning - Paradise Valley HVAC

3 reasons why we are proud to NOT be the Paradise Valley AC company

1. The hidden costs of going cheap

At first glance, opting for the cheapest HVAC company may seem like a win for your wallet. However, cheaper service often comes with hidden costs. Lower-quality parts, inexperienced technicians, and poor service often lead to frequent repairs, escalating costs, and compromised comfort.

2. The myth of 'Best system for the cheapest price'

A premium HVAC system is an intricate machine that requires high-quality parts and expert installation. So when a company promises the best system for the cheapest price, it's often too good to be true. Compromising on quality to cut costs leads to inefficiencies, frequent breakdowns, and ultimately higher expenses in the long run.

3. Why quality is worth the investment

With Comfort One, what you're paying for is peace of mind. We use only American-made parts known for their unmatched durability and performance. Our technicians are paid by the hour, commission-free experts who are focused solely on delivering top-notch service. And our warranties? As straightforward and genuine as they come.

American Quality Parts & Service

Excellence is a hallmark of American parts & service. As an owner-managed and operated business, we embody this through cleanliness, reliability & our highly trained HVAC technicians, who use American-made parts with unmatched durability and performance.

Our Technicians Are Commission-Free

Our humbly confident HVAC technicians are paid by the hour rather than by commissions. This ensures that they're focused on delivering unparalleled service, rather than upselling products.

We Are On Time, Every Time!

We understand that your time is valuable, and we respect it. Whether you receive a phone update or a text message letting you know our HVAC technician is en route, you can be confident that when we say 1-2 o'clock, we're aiming for 1.

We Have Honest Warranties

At Comfort One, we believe that a warranty should be straightforward and genuine. We offer only product and labor warranties. With us, you'll never be trapped into paying for extra HVAC services just to ensure your warranty remains valid.

Contact Us Today And Gain The Support of Paradise Valley's Best HVAC Team

Comfort One Air Conditioning LLC

Phoenix, Arizona

Regular service hours:

Mo. to Sun. 08:00 AM – 05:00 PM

Contact us

Enjoy Peace of Mind With Our 'Your comfort or we will make it right'-Guarantee

At Comfort One, your satisfaction is our top priority. Every service and estimate we provide is clear and transparent, ensuring you’re always in the loop. We tailor our recommendations to fit your needs and budget. If anything doesn’t feel right, just remember our “Your Comfort Or We Will Make It Right” guarantee. We aim to exceed your expectations every time, ensuring you always feel valued and cared for. 100% satisfaction is our commitment to you.

Tapani Ojalehto, Owner of Comfort One Air Conditioning LLC, HVAC Service Contractor in Paradise Valley following up on HVAC repair and HVAC installation

Frequently Asked Questions About Our HVAC Services in Paradise Valley

The lifespan of an HVAC system in Scottsdale can vary, but generally, you can expect the system to last about 10 to 15 years, depending on usage, maintenance, and quality of the installation. The extreme heat in Scottsdale can put additional strain on the system, potentially shortening its lifespan. Regular maintenance can help extend the life of the unit.

Here are some common signs that your HVAC system may need repair:

  • Unusual noises such as rattling, buzzing, or squealing
  • Inadequate cooling or heating
  • Unexplained increases in energy bills
  • Frequent cycling on and off
  • Water leaks around the unit
  • Bad odors emanating from the vents
  • Inconsistent temperatures throughout the home

It's recommended to have your HVAC system serviced at least once a year. For residents in Scottsdale, where the system may be working overtime due to extreme temperatures, you might want to consider servicing twice a year: once in the spring before the hot weather starts, and once in the fall before the cooler temperatures set in.

The cost of HVAC repairs can vary widely depending on the specific issue and the type of repair needed. Here are some common HVAC repairs and their estimated cost ranges in Scottsdale, Arizona:

  • Refrigerant recharge: $200-$500
  • Repair or replace fan motor: $200-$600
  • Repair or replace compressor: $1,300-$1,800
  • Clean or replace clogged or dirty filters or coils: $100-$400
  • Fix leaks in the refrigerant system: $200-$1,500

It’s important to note that these are just estimates and the actual cost of your HVAC repair may vary depending on the specific issue and the rates charged by your local HVAC contractor.

When choosing an HVAC contractor, consider the following:

  • Licensing and Certifications: Make sure the contractor is licensed and certified to work in Arizona.
  • Experience: Look for a contractor with experience, particularly with the make and model of your system.
  • Reviews and Recommendations: Check online reviews and ask for recommendations from friends and family.
  • Estimates: Get multiple estimates to compare costs and services offered.
  • Warranties and Guarantees: Check what kind of warranties or guarantees are offered on the work.
  • Install a programmable thermostat to manage temperatures efficiently.
  • Keep doors and windows closed when the HVAC is running.
  • Seal any gaps or leaks in ductwork, windows, and doors.
  • Use energy-efficient appliances and lighting to reduce overall power consumption.
  • Regular maintenance to keep the system running efficiently.
  • Insulate your home well to reduce the workload on your HVAC system.
  • Extended lifespan of the unit
  • Improved energy efficiency, leading to lower energy bills
  • Reduced risk of costly breakdowns
  • Better indoor air quality
  • More consistent temperatures throughout the home
  • Regular Maintenance: Keep your HVAC system clean and well-maintained.
  • Air Filters: Replace air filters regularly, and consider using high-efficiency particulate air (HEPA) filters.
  • Ventilation: Make sure your home is well-ventilated; use exhaust fans in bathrooms and kitchens.
  • Humidity Control: Use a humidifier or dehumidifier to maintain an ideal indoor humidity level.
  • Air Purifiers: Consider using an air purifier to remove particles and pollutants.
  • Plants: Some indoor plants can improve air quality by absorbing toxins.
  • Regular Maintenance: Annual or semi-annual professional check-ups can extend your system's lifespan.
  • Proper Use: Follow manufacturer guidelines for use and avoid overburdening the system.
  • Timely Repairs: Address minor issues before they become major problems.
  • Filter Changes: Regularly replace or clean air filters.
  • Duct Cleaning: Keep the ductwork clean to improve efficiency.
  • Lack of Maintenance: Poor maintenance is a leading cause of system failure.
  • Dirty Filters: Can reduce air flow and efficiency.
  • Refrigerant Leaks: Can severely impair the cooling capability.
  • Thermostat Issues: Can result in poor temperature control and system cycling.
  • Electrical Failures: Such as failing capacitors, corroded wires, or circuit issues.
  • Cost Savings: More efficient systems often mean lower energy bills.
  • Better Performance: Improved temperature control and consistency.
  • Environmental Impact: Lower energy consumption means a smaller carbon footprint.
  • New Features: Like programmable thermostats, smart controls, and better air quality options.
  • Potential Rebates: Some governments and utilities offer rebates for upgrading to energy-efficient systems.

Selecting the right size is crucial. An undersized system won't adequately cool or heat your home, and an oversized system will cycle on and off too frequently, reducing efficiency and lifespan.

  • Manual J Calculation: This is a standardized calculation professionals use to determine the proper size.
  • Consult a Professional: A certified HVAC technician can provide the most accurate recommendations.
  • Consider Local Climate: In Scottsdale, the focus will likely be more on cooling rather than heating, affecting the size and type of unit you need.
  • Central Air Conditioners: Common in many homes, good for large spaces.
  • Heat Pumps: Can provide both heating and cooling, efficient but may be more expensive upfront.
  • Ductless Mini-Splits: Good for homes without existing ductwork or for room-specific conditioning.
  • Geothermal Heat Pumps: Highly efficient, but expensive to install.
  • Swamp Coolers: Also known as evaporative coolers, are efficient in dry climates like Phoenix but are less effective when humidity is high.
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