AC repair
Capacitor, contactor, compressor, refrigerant leak. Diagnosed on the first visit, priced before we touch a tool.
78%fixed on the first visit
Mesa service area
AC repair and HVAC service in Mesa, Arizona
Mesa is package unit country. A much larger share of homes here, particularly west of Gilbert Road and throughout the retirement communities, run a single rooftop or ground-mounted packaged system rather than a split system with an indoor air handler.
- Mesa response target
- 47 min
- residents in the service area
- 512,000
- dispatch, holidays included
- 24/7
- after-hours premium
- $0
What Mesa work is actually like
Mesa is package unit country. A much larger share of homes here, particularly west of Gilbert Road and throughout the retirement communities, run a single rooftop or ground-mounted packaged system rather than a split system with an indoor air handler. That is a completely different repair: everything is in one cabinet, the whole thing sits in full sun all day, and when it fails there is no partial workaround.
East Mesa carries an unusually high concentration of manufactured and park model homes, many with 2 or 2.5 ton packaged units in cabinets that are decades old and no longer have parts support. West Mesa and the Dobson Ranch area is more conventional 1970s and 1980s block construction with slab returns and, frequently, ducting run under the slab that cannot be sealed conventionally.
Mesa sits on the flat valley floor with very little elevation relief and heavy agricultural dust blowing in from the east. Condenser and package unit coils here foul faster than anywhere else we serve, which is why the maintenance plan for a Mesa package unit specifies two coil washes a year rather than one.
The four faults we are dispatched to most here
- 01
Packaged unit heat exchanger failure
Gas-electric package units age out on the heat side first, usually around year 14.
- 02
Obsolete R-22 package units
Older cabinets with no available parts. Repair stops being economic and we say so.
- 03
Under-slab duct collapse
Common in older west Mesa builds. Usually solved with an overhead attic conversion.
- 04
Agricultural dust coil fouling
The single biggest cause of high head pressure calls in east Mesa summers.
Neighbourhoods on the Mesa rotation
- Dobson Ranch
- Superstition Springs
- Red Mountain Ranch
- Las Sendas
- Eastmark
- Downtown Mesa
- Alta Mesa
- Mesa Grande
- Lehi
- Sunland Village
- Leisure World
- Falcon Field
If your neighbourhood is not listed, it almost certainly still falls inside a Mesa zone. Call and the dispatcher will tell you your window.
Services we run in Mesa
AC installation and replacement
Manual J load calculation before a tonnage is quoted. R-454B ready equipment, permit pulled, old unit hauled.
2-5tonresidential sizing range
Heating and furnaces
Gas furnace service, heat exchanger inspection and safety shutdown testing. Phoenix nights hit the thirties.
96AFUEhigh efficiency furnaces
Heat pumps
One system, both directions. In a climate that barely freezes, an HSPF2 rated heat pump usually wins on running cost.
8.5HSPF2typical heating efficiency
The casebook
Eight faults, and the measurement that settled each one
Not testimonials. A demonstration company has no customers, so it has no testimony and no rating. What it can show you is how a fault is reasoned about — which is the thing a review was standing in for.
- Failed now01
“Fan is spinning outside, the air indoors is warm”
Ahwatukee Foothills, Phoenix
Run capacitor17.4 µFrated 45, tolerance ±5%The compressor never started. A capacitor this far down still turns the condenser fan, which is why the unit looks alive from the driveway and the house keeps getting hotter.
Then: Capacitor replaced, compressor amp draw checked on restart. The part is the cheapest one in the van and the single most common summer failure here.
- Choosing02
“Upstairs has been hot for two summers”
Dobson Ranch, Mesa
Supply temperature split9 °Fupstairs branch; 19 °F downstairsNot a capacity problem. A zone damper motor had seized shut, so the upstairs branch was being fed whatever leaked past it. Two other quotes on this house proposed a whole new system.
Then: Damper motor replaced, zoning rebalanced. Replacing the system would have fixed nothing and cost roughly forty times as much.
- Choosing03
“Back bedroom never gets cold, everything else is fine”
Sunnyslope, Phoenix
Total external static1.08 in. w.c.equipment rated for 0.5Flexible duct crushed above the garage and a return far too small for the air handler. The blower was working against roughly twice the pressure it was designed for, which starves the far runs first.
Then: Return enlarged, two runs replaced, static re-measured after the work. Before-and-after numbers left with the homeowner.
- Failed now04
“It cools, then stops, then cools again”
Superstition Springs, Mesa
Suction pressure48 psiR-410A, 108 °F ambientLow charge, and low charge is always a leak. The evaporator was icing, melting, and short-cycling on the low-pressure switch. Topping it up without finding the leak just sells the same repair again next month.
Then: Leak search first, quoted separately, with the honest warning that a leak in a coil this old usually ends the conversation about repair.
- Failed now05
“Nothing at all, and it is 2am”
Old Town, Scottsdale
Condensate float switchopenprimary pan, attic air handlerA blocked drain line tripped the safety and shut the system down on purpose. Valley water leaves scale in the line and this is what it looks like from inside the house: a dead air conditioner.
Then: Line cleared, pan flushed, switch tested. Ten minutes of work that reads to a homeowner like a catastrophic failure.
- Choosing06
“Quoted a five ton by three companies”
Arcadia, Phoenix
Manual J cooling load3.9 tons1,940 sq ft, west glazing, R-38 atticNone of the three quotes measured anything. An oversized system in this climate short-cycles, removes less humidity during monsoon, and wears its compressor out faster than the one it replaced.
Then: Four ton specified. The customer was talked out of the larger, more expensive machine they had already decided to buy.
- Failed now07
“Half the block lost power in a dust storm”
Deer Valley, Phoenix
Condenser coil ΔT4 °Facross the coil face, should be 15-20Silt driven into the fins by a haboob. The coil could not reject heat, so head pressure climbed until the system tripped on high pressure. The outage was a coincidence; the coil was the cause.
Then: Coil washed from the inside out, pressures rechecked. Booked a second wash before the following July rather than the single annual visit a national maintenance schedule assumes.
- Failed now08
“The kitchen unit died mid-service”
Desert Ridge, Phoenix
Contactor coilno continuityrooftop package unit, 7.5 tonA welded, then failed, contactor. On a commercial rooftop this is a twenty dollar part standing between a restaurant and a closed kitchen, which is why it is stocked on every van.
Then: Replaced on the roof, and the second identical unit was checked at the same time because it was installed on the same day by the same crew.
Every case above is composed for this demonstration. The neighbourhoods are real places in the Phoenix metro; the jobs, the readings and the outcomes are written, not recorded. No rating, review count or response-time average is published anywhere on this site, because there is nothing to average.
Mesa questions
How fast will someone actually arrive?
This site publishes no measured arrival time - no median and no average - because those are a performance record and a company that does not exist has not performed. The minutes beside each zone on the dispatch board are staged demonstration numbers on a timer, and the board says so. What you should expect from a real contractor: a specific window given on the call rather than a range covering the whole day, a note that distance matters (a Surprise or Queen Creek address will not match a central Phoenix one), and a text when the crew is running late instead of silence. Ask for all three before you agree to a visit.
Is there an overtime or after-hours charge?
No. Our rate at 2am on a Sunday in July is the same rate as 10am on a Tuesday in February. We took the after-hours premium out in 2019 because in this climate a night-time failure is not a luxury call, it is the normal case.
My air handler is in the attic. Is that a problem?
It is the Phoenix default and it is not ideal. Attic temperatures reach 150 degrees or more, so every foot of duct up there is fighting that heat, and any leak in the supply side pulls that air into your home. It also means condensate leaks show up on your ceiling. We recommend a secondary drain pan with a float switch on every attic install, and R-8 insulation on the duct rather than the R-6 that meets minimum code.
Are you licensed?
This is a demonstration website, so no. It claims no licence, no bond, no insurance and no trade certification, and it publishes no licence number at all - not even a placeholder in the Registrar of Contractors’ real format, because a fabricated number in a real format can collide with a working contractor’s. What you should do with an actual contractor: ask for the ROC number, type it into azroc.gov yourself, and check the name on the registration matches the name on the quote. If they hesitate, that is the answer.
Need a crew in Mesa tonight?
Tell the dispatcher a cross street and you get a real window rather than a range that covers the whole day. The minutes on the demo dispatch board are staged numbers, not a promise and not a record.