West Valley Mechanical LLC
Heating and Air Conditioning for the Phoenix West Valley
AC repair, installation and heating service for homes and businesses
More than thirty years in the trade. You get a diagnosis explained in plain language and a written price before any work starts.
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Heating
Stay warm. Stay comfortable.
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Cooling
Beat the heat. Breathe easy.
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Commercial
Solutions that scale.
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Residential
Comfort for every home.
Experience
More than thirty years in the trade.
West Valley Mechanical is led by Kenneth McMahon, who has spent more than three decades in mechanical work — furnaces, rooftop units, ductwork, controls, and the diagnostic problems that get handed to whoever has seen them before.
That experience shows up in the part of the job nobody sees: the diagnosis. Equipment in this valley runs more hours in one summer than the same unit runs in years somewhere temperate, the dust never really stops, and monsoon season finds every shortcut taken during installation. Knowing what those conditions do to a system is the difference between replacing a part and fixing the problem.
You get the work quoted in writing, the findings explained in language that means something, and the job done to a standard that holds up.
What we do
Residential and light commercial heating, cooling and air quality across the West Valley.
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AC Repair
Fast diagnosis when the cooling quits in July.
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AC Installation & Replacement
Right-sized systems built for Phoenix run hours.
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Heating Repair & Furnace Service
Desert nights get cold. We keep the heat working.
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Heating Installation
Furnaces, heat pumps, and dual-fuel done properly.
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Heat Pumps & Ductless Mini-Splits
Room additions, casitas, garages, and zoned comfort.
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Preventive Maintenance & Tune-Ups
The service that keeps August from becoming a crisis.
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Indoor Air Quality
Filtration and ventilation for dust and allergy season.
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Ductwork, Airflow & Insulation
Leaky attic duct is cooled air poured into your attic.
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Light Commercial HVAC
Rooftop units, splits, and planned replacement.
Two kinds of customer. Two ways we work.
Residential
Your house should be comfortable and your power bill should not be a monthly surprise. We repair what can be repaired, replace what cannot, and explain the difference in plain language before you spend anything.
Residential Services
Commercial
Downtime costs you money, and a failed rooftop unit on a Friday afternoon costs you a weekend. We keep light commercial equipment documented, maintained, and running — and we schedule around your hours, not ours.
Commercial ServicesWhere we work
We cover the Phoenix West Valley — everything west of I-17. That is a deliberate boundary, not a marketing radius. Staying inside it is how a small company arrives when it says it will.
- Glendale
- Peoria
- Surprise
- Avondale
- Goodyear
- Buckeye
- El Mirage
- Sun City
- Sun City West
- Litchfield Park
- Tolleson
- Waddell
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Licensed, Bonded & Insured
ROC# 367985
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Local Expertise
Proudly serving the West Valley.
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Quality Service
Honest. Reliable. Professional.
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West Valley, AZ
And surrounding areas.
Questions we get asked first
Are you licensed and insured?
Yes. West Valley Mechanical LLC is licensed, bonded and insured in Arizona under ROC# 367985. That number is public — you can look it up with the Arizona Registrar of Contractors, and we would rather you did than take our word for it.
How quickly can you get out here?
It depends on the day and the season — July is not March. Call and we will tell you honestly when we can be there, rather than promising a window we already know we cannot hit.
Do you charge for estimates on new system installation?
No. Estimates on a new system or a replacement are free, and you get the price in writing before anything is ordered. A repair is a different thing — that starts with a diagnosis, and we will explain any charge for it when you book, not after we arrive.