Installation & replacement
Expert HVAC Installation & Replacement in Phoenix, AZ
Our trained and certified technicians install central air conditioning and heating systems, ductless mini-splits, heat pumps and high-efficiency HVAC equipment for homes and businesses.
5.046 Google reviews
iServices include
- Central AC & heating system installation
- Ductless mini-split systems
- Heat pumps & hybrid systems
- Smart thermostat integration
- Energy-efficient upgrades
Why choose us?
- Free in-home consultation
- High-efficiency system options
- 10-year manufacturer warranties available
I needed a whole new system! I received assessments and estimates from four other companies, but I chose Klein Heating and Cooling and I’m very glad I did. My hat goes off to owner Tomer and his team of experts. He walked me flawlessly through the entire process from estimate to complete install and I could not be more pleased.
iChoosing the right system for the Phoenix climate.
Phoenix summers put huge demands on a heating and cooling system. Choosing the right one takes more than picking a unit by size or efficiency: your home’s size, insulation, airflow, existing ductwork and comfort needs all matter. Proper sizing and equipment selection improve comfort, efficiency and long-term performance.
iSigns you may need a replacement.
Replacing an aging system can make sense when repairs become frequent, comfort becomes inconsistent or the system no longer meets your home’s needs. Common signs:
- Frequent breakdowns and repairs
- Rising energy bills despite normal use
- Inconsistent indoor temperatures
- Excessive noise during operation
- Age of the system
Before & after
HVAC System Installation: before & after
Typical results from this kind of job. Drag the slider to compare.
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iOn the job
HVAC System Installation around the Valley
Tomer and the Klein crew on installation jobs across Phoenix, Mesa, Chandler, Gilbert, Scottsdale and nearby.
iTechnicians removing an old air conditioner during a replacement in Phoenix, AZ 
iHVAC installer connecting a refrigerant line set to a new condenser in Mesa, AZ 
iTomer Klein and a technician installing a new air handler in an attic in Gilbert, AZ 
iHVAC installer mounting a ductless mini-split indoor unit in Scottsdale, AZ 
iTomer Klein installing a ductless mini-split outdoor unit in Peoria, AZ
Klein job photos
From our recent jobs
Real work by Klein technicians in Phoenix-area homes and businesses.
Old and new air conditioning condensers side by side after a Klein replacement in Phoenix, AZ 
New air conditioning condenser on a pad in a gravel side yard in Glendale, AZ 
Ductless mini-split outdoor unit installed against a stucco wall in Gilbert, AZ 
Ductless mini-split indoor unit mounted above a closet in Gilbert, AZ 
New air handler and insulated ductwork in an attic in Phoenix, AZ 
Klein technician walking to a condenser in a side yard in Scottsdale, AZ
We work with all major HVAC manufacturers
Frequently asked questions
HVAC System Installation FAQs
Something else? Call (602) 377-6520 and talk to one of our experts.
How much does HVAC installation cost in Phoenix, AZ?
It depends on the system type, size, efficiency, installation requirements, existing ductwork and your property. We provide free in-home consultations to assess your home and recommend the right system.
How do I know if I need HVAC repair or replacement?
Frequent breakdowns, rising energy bills, uneven temperatures, excessive noise and an aging system can all point to replacement. We’ll evaluate your system and tell you honestly which option makes more sense.
How long does HVAC installation take?
It depends on the type of system, the property, existing ductwork and how complex the job is. During your consultation we’ll explain the process and expected timeline.
What HVAC systems do you install?
Central AC and heating systems, ductless mini-splits, heat pumps and hybrid systems, plus smart thermostats and high-efficiency upgrades.
Do you install HVAC systems for homes and businesses?
Yes. We install and replace systems for residential and commercial properties throughout Phoenix and surrounding communities.
Free estimate · No obligation
Get a free HVAC installation quote
Tell us what’s going on and where. We’ll call you back promptly to book a time that suits you, often the same or next day.
Call us today(602) 377-6520- 1Request a callbackSend your details or call. We answer fast.
- 2We diagnoseA certified technician inspects and explains.
- 3Clear quoteTransparent pricing, no hidden fees, no pressure.
Get your free quote
It takes under a minute. We’ll call you back to book your free estimate.
Or call (602) 377-6520