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The work, set out in full.
Residential and commercial, then the five kinds of work that run through both. Everything here is shaped by one local fact: equipment in this valley accumulates running hours faster than almost anywhere else in the state.
Houses, condos and small apartment buildings.
Clovis, north-east Fresno, Sanger and the towns along the 99. Most of it is split systems carrying a very long cooling season, and most of what goes wrong is what long running hours do to parts.
What we get called for
- Running but not cooling
- Outside unit will not start
- Breaker tripping in the afternoon heat
- Ice on the line set, water in the pan
- Back bedrooms that never catch up
- Furnace that will not light in December
- A system old enough for a second opinion
- Dust and smells that started recently
Two things we always look at in a valley house
The condenser coil. Between agricultural dust, cottonwood and ordinary grit, a coil out here loses its ability to reject heat far quicker than the manufacturer's service schedule assumes. A blocked coil makes a perfectly healthy system behave like a failing one, and it is the single most common reason a house stops cooling properly in July.
The attic. A great deal of this housing stock runs its ductwork, and often its air handler, through an attic that gets brutally hot. Flex duct goes brittle, joints open, and insulation compresses. Air that leaves the air handler cold does not necessarily arrive at the register cold, and the only way to know is to measure at both ends.
Offices, retail, warehousing, packing and light industrial.
The commercial side of this valley runs equipment harder than the residential side does — longer hours, dirtier air, higher internal loads, and buildings that cannot simply stop when a unit fails.
What we cover
- Packaged rooftop units — service, repair, economisers, curb adapters, and replacement with the crane day planned rather than improvised.
- Split systems per tenancy — the standard arrangement in strip retail and small offices, where one failure is one business's whole day.
- Warehouse and production space — ventilation, evaporative and mechanical cooling, and the problem of a building with far more heat in it than the original design allowed for.
- Make-up air — kitchens, workshops and anywhere exhaust has been added without anyone asking where the replacement air comes from.
- Mechanical rooms — furnaces and boilers, combustion air, flues, pumps, and the controls nobody ever wrote down.
- Service contracts — several units or several sites on one schedule, each unit on the interval its duty actually justifies.
The equipment register
Every unit on the site: where it is, what it is, its age, its condition, and what we did to it and when. It is kept current at every visit and it belongs to the building. When the managing agent changes — and it always does — the history does not disappear with them.
Intervals set by duty
A single blanket "twice a year" schedule across a site is easy to sell and wrong in both directions: it over-services the quiet units and under-services the hard-working ones. We set each unit's interval from what it actually does, and we will explain the reasoning for any unit you ask about.
What we will not put in a proposal
Energy-saving percentages, payback periods or efficiency gains for your building, before we have looked at it. Those depend on the building, its hours, its occupancy and its tariff. We would rather measure your site and give you a real figure than repeat an industry average at you.
Find the reason, not just the part.
Parts rarely fail by themselves. A capacitor that has gone twice in two summers is telling you something about the condenser it lives in. A compressor drawing more current than it did last year is telling you something about heat rejection. A blower motor that keeps overheating is usually telling you about static pressure.
So the diagnostic looks past the dead component. You get the findings, photographs of what is actually wrong, and a written price — and if the underlying reason is the expensive one, we will say so rather than sell you the same part again next July.
Sized for this climate, not for the old nameplate.
The most common fault we find in a recently replaced system is that it is too big. An oversized unit satisfies the thermostat fast, shuts down, and never runs long enough to move air properly through the house — so the building is cold in one place, warm in another, and the equipment wears itself out cycling.
- Step one
- Load calculationOrientation, glazing, insulation, infiltration, occupancy, and for commercial what the space is actually used for now rather than what it was built for. The old capacity is evidence, not an answer.
- Step two
- Test the distributionNew equipment on bad ductwork buys you an expensive version of the same complaint. We test before we specify and tell you if the ducts need work first.
- Step three
- Options in writingUsually two or three, with the trade-offs written down — including the ones that count against the more expensive choice.
- Step four
- Install and commissionPermits where the work requires them, venting and combustion air corrected as part of the job, then commissioned and measured rather than simply switched on.
- Afterwards
- DocumentationModels, serials, commissioning readings and warranty registration, plus a register entry on a commercial site.
The visit that stops the emergency.
On a house that is two visits: cooling before the season starts, heating before the first cold week. On a building it is a schedule per unit, sized to duty.
What gets covered: coils, filters, drains and pans, electrical connections and current draw, capacitors and contactors, refrigerant state, airflow and static pressure, controls, and on anything gas-fired the combustion and the full venting path.
What you get afterwards is the readings, written down. That is the part that matters. One set of readings tells you the system works today; two sets a year apart tell you what is changing, and that is the difference between replacing a contactor in April and losing a building in July.
Why this matters more here
Manufacturer service intervals are written for an average climate. This is not one. If you take nothing else from this site, take this: whatever interval you are on, it was probably set somewhere with a much shorter cooling season. The runtime page sets out the full argument.
The half of the system nobody sells you.
Equipment gets replaced. Ductwork usually does not. We find flex crushed under attic storage, runs extended with tape, returns a fraction of the size the system needs, and joints that have been open since the day they were fitted.
A leak on the supply side wastes the air you paid to cool. A leak on the return side is worse — in a 140-degree attic it pulls superheated, dusty air straight into the system, which is why some houses have an air conditioner that runs constantly and still loses.
We test, we seal, we replace what is undersized, and we measure again afterwards so the improvement is a number on a page rather than an opinion.
Filtration, ventilation and thermostats.
Filtration is a trade-off
A filter much denser than the system was designed to pull through starves the equipment and makes everything else worse — worse airflow, higher static pressure, a colder coil and a harder-working blower. We match the filter to what the blower can actually move. If you want better filtration than that, we will tell you what has to change first rather than fitting it and letting you find out.
This valley has genuinely poor outdoor air on a lot of days. That is a real reason to want good filtration and a real reason to do it properly rather than by buying the highest number on the box.
Ventilation and controls
Tightening a building — new windows, new weatherstripping, a re-roof — removes leakage the building was relying on without anyone deciding to. The fix is to bring outside air in deliberately, where it can be filtered and conditioned, instead of through whatever gap is left.
Controls come last and matter more than people expect. A thermostat nobody can operate gets left on hold at one setting for a year. We set them up with you, in front of you, and leave you able to change them.
Not sure which of these you need?
Describe the symptom and the building. That is enough for us to say what is likely, what confirming it takes, and what happens next.