Mesa’s population has been climbing year after year, meaning many of the city’s homes are still running on older HVAC systems that weren’t built for today’s demands. If your AC or furnace is struggling to keep up, replacing it can protect your home from unexpected breakdowns in the middle of summer, costly emergency repairs, and high energy bills. But there are many common HVAC repairs you shouldn’t do alone.

That’s why it’s so important to find the best HVAC installers in Mesa, AZ. But with so many companies out there, it’s not always clear who you can rely on and who might leave you with more problems than solutions. 

To make the search easier, we’ve rounded up Mesa’s best heating and cooling companies so you can compare services and choose the best one for your home.

Best HVAC Installers in Mesa, AZ

The right installer plays a major role in how well your system performs and how long it lasts. Let’s look at the best HVAC installers in Mesa, AZ, trusted by local homeowners.

1. Semper Fi

   

Semper FI is a veteran-owned company serving Mesa and the surrounding valley with full home heating and air conditioning services. Their licensed and insured team handles everything from AC and furnace installation to ductless mini-split systems, water heater repair, plumbing, duct sealing, insulation, and indoor air quality solutions. 

Every installation starts with a full in-home evaluation so the system is sized correctly for your space, which helps it run more efficiently and last longer in Arizona’s climate. They also make upgrades easier with flexible financing options to spread the cost over time, with 100% satisfaction guarantees.

They’ve earned a reputation as a trusted partner for Mesa homeowners with over 2,000 5-star reviews.

Learn more about Semper Fi HVAC installer services.

2. Dialed In Services

   

Dialed In Services offers both HVAC and plumbing in Mesa. They can handle AC repair and replacement, regular maintenance, and full system installs. They also offer 24/7 emergency service to Phoenix, Mesa, Tempe, Glendale, and the surrounding areas.

3. Rusty’s Air Conditioning and Heating

   

Rusty’s Air Conditioning and Heating covers AC and heat repairs, installations, mini-split systems, and more. They carry many HVAC brands and give you multiple service options so you can choose what fits your budget. Their “Gold Maintenance Plan” provides annual HVAC tune-ups.

4. Sun Devil Heating and Cooling, Inc.

   

Sun Devil provides full HVAC services, including AC installation, heat pump repair, package unit work, thermostat upgrades, and coil and condenser fan motor replacement. They also offer preventative HVAC maintenance plans with pre-season checkups and upkeep. Their licensed techs handle diagnostics across different makes and models.

5. Rainforest Plumbing & Air

   

Rainforest Plumbing and Air is a family-owned business serving Mesa and all of Maricopa County with HVAC, plumbing, and indoor air quality services. For over 25 years, they’ve done AC repair, installations, heat pumps, water heaters, duct cleaning and inspection, UV-light air purification, and emergency services. Rainforest also features fully stocked service trucks, financing options, and a membership program for priority service.

6. AC1-Services

   

AC1-Services is led by Mike, who has been doing HVAC, electrical, and plumbing work in Mesa for over 25 years. They offer AC repair and replacement, furnace repair, duct and vent installations, thermostat installs, and more.

7. AZ Chill

   

AZ Chill serves Mesa, Gilbert, Tempe, Chandler, Queen Creek, and the surrounding East Valley areas with residential and commercial HVAC work. They work on installations, repairs, maintenance, and misting systems. They also provide 24/7 emergency service and a “No Sweat” membership program.

8. EastMark HVAC & Plumbing

   

EastMark HVAC & Plumbing is a family-run and veteran-friendly service provider operating out of Mesa. They offer residential heating, air conditioning repair, installations, and plumbing services like water heater installs and repairs. They also offer free estimates and fast turnaround.

9. American Home Water & Air

   

American Home Water and Air has over 35 years of experience in Mesa, AZ. They deliver full-service HVAC and plumbing solutions, including AC installation and replacement, AC tune-ups and maintenance, mini-split systems, furnace repairs, and heating services. They can provide emergency/24/7 service and warranties.

10. Empson Mechanical

    

Empson Mechanical has been operating for about 8 years. They offer air conditioning and heating contracting services out of Glendale, AZ, which includes areas near Mesa. Empson also offers financing options for installations.

11. Tempra HVAC LLC

    

Tempra HVAC specializes in residential and light commercial heating and cooling services across the East Valley, including Mesa. They offer AC installation, repair and maintenance, mini-split and package unit installs, diagnostics, and system replacement. Tempra also offers same-day measurement visits and a 2-year installation warranty.

How to Know if You Should Replace Your Air Conditioner

Keeping an eye on certain warning signs can help you avoid being caught off guard by problems with your air conditioner. Some issues to watch for include:

• Uneven cooling throughout the house
• Strange noises like grinding, rattling, or excessive vibrations
• Energy bills are rising without a change in usage or utility company costs

You should also keep track of your unit’s age. ACs over 15 years old are past or nearing their typical lifespan, leading to many of the issues listed above.

Average Life Expectancy of an Air Conditioner

Most well-maintained central AC systems last 15 to 20 years. Things like climate, maintenance habits, and how hard the unit has to work can shorten that. In very hot, demanding areas like Mesa, AZ, life often skews towards the lower end of that range due to harder use.

The Cost of HVAC Installation in Mesa, AZ

The average cost of AC replacement or installation in Mesa, AZ tends to run between $5,000 and $12,00, depending on unit size, efficiency, and brand. For simpler installs or same-size units with minimal changes, costs might lean toward the lower end of that range. For higher-efficiency or larger units, or if modifications are needed, it’ll push toward the higher side. 

How to Choose the Best HVAC Companies

Choosing the best HVAC company will give you peace of mind that your system is installed safely and supported long after. Here’s how to narrow it down:

• Ask for recommendations: Ask your neighbors, friends, and coworkers to tell you who they’ve trusted for installs or repairs. Pay attention to the details they share, like punctuality, pricing, and whether the company explained things clearly.

• Research company licensing and experience: Make sure your HVAC contractor is licensed through the Arizona Registrar of Contractors. Check if the company’s license is active and how long they’ve been in business.

• Read reviews: Go deeper than the star rating. Look for patterns in customer feedback. Do people mention clear pricing? Do they highlight professional technicians? Consistent positives or repeated red flags will tell you a lot about what to expect.

• Request detailed estimates: Always ask for a written quote that breaks down labor, equipment, and warranties. A vague ballpark number leaves room for hidden costs.

• Ask about warranties and guarantees: The best HVAC installer will back up both their equipment and their labor. Ask how long parts and labor are covered and whether they offer satisfaction guarantees if problems pop up after the install.

Choose the Best HVAC Services in Mesa, AZ With Semper Fi

Now that you’ve seen the best HVAC installers in Mesa, the next step is choosing a company you can count on. If you want a veteran-owned team that handles everything from AC to plumbing, offers flexible financing, and has thousands of 5-star reviews from Mesa homeowners, consider Semper Fi.

Our licensed technicians run full in-home evaluations before recommending equipment, explain your options clearly, and back every job with strong warranties so you’re covered long after installation day. If you need to replace an old AC, tune up a furnace, or add insulation to cut energy costs, our team can help you as soon as today.

Learn more about Semper Fi HVAC installer services.

Best HVAC Installers in Mesa, AZ FAQs

Can you install an AC unit yourself?

No, installing a central AC or furnace isn’t a DIY project. It requires special tools, refrigerant handling, electrical connections, and the proper permits. In Arizona, HVAC installation also has to be done by a licensed contractor to meet code and keep your manufacturer’s warranty valid. 

Trying to do it yourself can void the warranty and lead to expensive mistakes. It’s always best to hire a licensed professional.

What questions should I ask HVAC installation companies?

A few smart questions can save you a lot of stress later, like:

• How will you choose the system for my home?
• What’s included in the warranty?
• Do you offer financing?
• Who handles maintenance after installation?
• Can I get a detailed written estimate?

What is the $5,000 rule for HVAC?

The $5,000 rule is a guideline homeowners and contractors use to decide between repairing and replacing an old system. You measure your options by multiplying the cost of the repair by the age of the unit because older systems are more likely to break down again, increasing your costs. If that number is over $5,000, replacement is usually the smarter financial choice. 

For example, if you have a 12-year-old AC and the repair estimate is $600, that’s $7,200. In that case, replacement would be the smarter option. The idea is that you could spend thousands more over the next few years keeping an old unit running, so investing in a new system often makes better long-term sense.

What is the best HVAC system for Arizona?

There isn’t one single “best” brand or model. It depends on your home’s size, layout, and insulation. What matters more is having the system sized and installed correctly, or even the best unit won’t perform well. That’s why our team at Semper Fi always starts with a full evaluation of your home before recommending equipment.

What time of year is the cheapest to replace HVAC?

The most affordable times to replace your HVAC system in Mesa are usually early spring and early fall. Many contractors often run specials to pick up the lower demand. Planning ahead during these off-seasons can save you money and give you more flexibility with scheduling.

If you’re searching for the best HVAC installers in Tucson, AZ, you already know how extreme our desert climate can be. When it’s scorching outside, you need an AC that cools fast and holds steady. And with tempts that can drop into the 30s at night, your furnace should be just as reliable. 

That’s why hiring a company with a proven track record of successful installations and AC repairs in Tucson, AZ is so important. The right company will provide proper maintenance, warranties, and pricing to keep your system strong for years to come.

But with so many HVAC companies in Tucson, it’s not always easy to know who’s reliable and who’s not worth your time. To make the search easier, we’ve rounded up the best HVAC installers in Tucson, AZ, so you can compare and choose the best installer in your area. 

Best HVAC Installers in Tucson, AZ

You have plenty of local options for heating and cooling service. Let’s look at the best HVAC installers in Tucson, AZ.

1. Semper Fi

   

   Semper Fi is a veteran-owned company serving Tucson and the surrounding valley with full HVAC maintenance and services for AC, furnace, plumbing, and any other work you need to handle the extreme highs and lows. Their team is fully licensed and insured and can provide same-day service with clear, upfront pricing so you’re never caught off guard.

   Their technicians run a full in-home evaluation before recommending equipment, size your system correctly for your home and Tucson’s desert climate, and back up their work with strong warranties. They also make upgrades more affordable with flexible financing options so you can spread the cost over time

   Learn more about Semper Fi HVAC installer services.

2. Intelligent Design Air Conditioning, Plumbing, Solar, & Electric

   

   Intelligent Design covers Tucson and its surrounding communities with full-service HVAC, plumbing, solar, and electrical work. They do AC and heater repair, installation, ductless mini-split repairs, duct and insulation services, smart thermostat installs, and indoor air quality upgrades. They also offer 24/7 emergency service with fully certified techs.

3. Perry Heating, Cooling, and Plumbing

   
   Perry’s Heating has been servicing Tucson homes since 1949. Their services include AC and heating installation, repair and maintenance, plumbing work on water heaters, and more. Perry’s Heating can also help with AC and heating installations and repairs in commercial spaces.

4. Temco AC

   

   Temco AC has served Tucson homes and businesses since the late 1970s. They currently offer new and replacement air conditioning systems, furnace repair and heat pump installations, AC repair and maintenance, and indoor air filtration solutions. They also provide alternative heating and cooling options like ductless mini-splits and air purification systems.

5. D&H Air Conditioning & Heating Co.

   
   D&H is a family-owned air conditioning and heating company in Tucson. They’ve been delivering HVAC repair, installation, and maintenance for AC units, heat pumps, furnaces, and more since 1959. They’re fully licensed and insured, with NATE-certified technicians.

6. City Heating and Cooling LLC

   
   City Heating and Cooling is a woman-owned, family-operated HVAC contractor in Tucson. They provide full residential and commercial services like AC/heater installs and replacements, tune-ups, ductless mini-splits, indoor air quality upgrades, and more. They offer free estimates and second opinions, plus around-the-clock (24/7) emergency service.

7. Done Rite Services

   
   Done Rite Services is a full-stack contractor in Tucson that handles HVAC, plumbing, and electrical projects for both homes and businesses. They can perform AC installs and repairs, maintenance, mini-split system work, and sewer line and water heater jobs. Done Rite Services can handle multi-system jobs without needing to coordinate separate contractors.

8. Dynamic Comfort LLC, AC and Heating

   
   Dynamic Comfort is a family-owned, full-service HVAC contractor serving Tucson and nearby areas like Casas Adobes, Marana, Oro Valley, Flowing Wells, South Tucson, Tanque Verde, and more. They do AC and heating installation, repair, heat pumps, ductless systems, duct sealing and repair, indoor air quality work, and maintenance plans. They’re a Rheem Pro Partner, with NATE-certified techs who undergo continuing education.

9. L&M Home Comfort Systems

   
   L&M Home Comfort Systems is a veteran and family-owned business in Tucson that handles residential and commercial HVAC, installs, repairs, maintenance, refrigeration, and water heaters. They stock their trucks with many common parts to be prepared for repairs. L&M also gives a 12-month unconditional guarantee on all work.

10. Signature Heating and Cooling

    
    Signature Heating and Cooling is a veteran-owned local team serving Tucson and its surrounding areas. They cover AC and heater installation, repair, maintenance, tune-ups, full duct cleaning, water heater, and plumbing work. They offer 24/7 availability for emergencies, free estimates, and bilingual service in English and Spanish.

11. Platinum Air Heating & Cooling

    
    Platinum Air is an HVAC contractor based in Tucson, serving both residential and commercial customers with veteran and family team members. They offer full heating and AC system installations, repairs and maintenance, water heater services, and heater replacement and repair. They’re BBB-accredited and have special financing available.

How to Know if You Should Replace Your Air Conditioner

Consider replacing your air conditioner if you notice one or more of these warning signs:

• Rising energy bills
• Uneven cooling throughout the house 
• Unusual noises or smells 
• Your AC is over 10 to 15 years old
• You’ve had to call for service more than once or twice in a season

How Long Do HVAC Systems Last?

On average, HVAC systems last 10 to 15 years in Tucson, AZ. The wide temperature swings put extra strain on equipment compared to milder climates.

If you’ve noticed higher bills, uneven cooling, or unusual smells, reach out to us for a consultation to determine whether you just need a repair or if a full replacement is necessary.

The Cost of HVAC Installation in Tuscon, AZ

The cost of a new HVAC system in Tucson depends on the size of your home, the type of unit, and whether ductwork or electrical upgrades are needed. In general, costs range from $6,300 to $11,500. 

While a new install is a big investment, the right system can deliver reliable comfort for more than a decade. Plus, you can opt for a payment plan to ease the burden of the cost.

What Time of Year is Cheapest to Replace HVAC?

In Tucson, the cheapest times to schedule HVAC replacement are in the fall or spring. This is when demand is lower and temperatures are more moderate. Dealers and manufacturers often offer promotions or rebates in those seasons, and contractors typically have more open scheduling, which can help you lock in a better rate.

The Cost of Typical HVAC Repairs

Minor repairs like replacing capacitors, thermostats, or small sensors can cost around $150–$400. Moderate fixes like refrigerant recharge or fan motor issues typically land in the $200–$600 range. Major component repairs like compressors and evaporator coils can exceed $1,000 depending on unit age, warranty status, and part availability.

How to Choose the Best Heating and Cooling Contractors

Picking the right HVAC contractor makes all the difference between a system that runs smoothly for years and one that gives you constant headaches. Before you sign a contract, consider:

• Asking for recommendations: Start with people you trust, like friends, neighbors, or coworkers who’ve had recent HVAC work done. They can tell you who showed up on time, who explained things clearly, and who to avoid.

• Researching company licensing and certifications: In Arizona, HVAC contractors must be licensed through the Arizona Registrar of Contractors. Look for proof of licensing, insurance, and certifications like NATE (North American Technician Excellence), which shows technicians are trained to national standards.

• Reading reviews: Scan for patterns in what people say on punctuality, pricing, or how well the company handled issues after installation. Multiple complaints about the same problem may be a red flag.

• Expecting a thorough home evaluation: A trustworthy contractor should check your home’s square footage, insulation, and run load calculations before recommending a system.

• Requesting detailed, written estimates: Always get estimates in writing and make sure they break down labor, equipment, and warranty details. That way, you can compare contractors side by side.
• Asking about warranties and guarantees: Ask how long the manufacturer’s warranty runs, what labor coverage you get, and whether they offer a satisfaction guarantee if something isn’t right.

Get the Best HVAC Installers With Semper Fi

Now that you’ve seen what Tucson’s top HVAC companies offer, you’re ready to choose a team you can trust with one of the biggest investments in your home. The right HVAC installer will size your system correctly, set it up for maximum efficiency, and be there with support long after installation day.

If you’re looking for the best HVAC installers in Tucson, AZ, call Semper Fi. Our veteran-owned team takes the time to run full in-home evaluations, explain your options clearly, and install equipment built to handle Tucson’s triple-digit summers and freezing desert nights. We even offer flexible financing, 100% satisfaction guarantees, and thousands of five-star reviews from your fellow neighbors.

Book your installation or repair with Semper Fi today!

Best HVAC Installers in Tuscon, AZ FAQs

Should HVAC technicians be certified or licensed?

Yes, in Arizona, HVAC contractors must be licensed through the Arizona Registrar of Contractors. This ensures they meet state requirements for safety and quality. On top of that, many of our technicians at Semper Fi are also NATE-certified so you know you’re getting the highest quality work for your home.

What should I ask when buying new HVAC?

Ask the basics, like how big of a system do I need for my home? What’s the efficiency rating? What kind of warranty is included? You should also ask how the contractor sizes the system, whether they offer financing, and what kind of maintenance plan they recommend after installation. 

At Semper Fi, we walk you through all of this during your in-home evaluation so you know exactly what you’re getting before you sign.

What brand of HVAC is the most reliable?

There isn’t one “most reliable” brand for every home. What matters most is choosing the right size and type of system for your space and having it installed properly. A top-of-the-line unit won’t perform well if it’s the wrong size or set up incorrectly. 

That’s why Semper Fi always starts with a full evaluation of your home, then recommends options that will give you the best performance and efficiency for Tucson’s climate. Reach out to our team, and we’ll help you find the right fit.